/* * msvcrt.dll file functions * * Copyright 1996,1998 Marcus Meissner * Copyright 1996 Jukka Iivonen * Copyright 1997,2000 Uwe Bonnes * Copyright 2000 Jon Griffiths * Copyright 2004 Eric Pouech * Copyright 2004 Juan Lang * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * * TODO * Use the file flag hints O_SEQUENTIAL, O_RANDOM, O_SHORT_LIVED */ #include "config.h" #include "wine/port.h" #include #include #ifdef HAVE_UNISTD_H # include #endif #include #include #include "windef.h" #include "winbase.h" #include "winternl.h" #include "msvcrt.h" #include "mtdll.h" #include "wine/unicode.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(msvcrt); /* for stat mode, permissions apply to all,owner and group */ #define ALL_S_IREAD (MSVCRT__S_IREAD | (MSVCRT__S_IREAD >> 3) | (MSVCRT__S_IREAD >> 6)) #define ALL_S_IWRITE (MSVCRT__S_IWRITE | (MSVCRT__S_IWRITE >> 3) | (MSVCRT__S_IWRITE >> 6)) #define ALL_S_IEXEC (MSVCRT__S_IEXEC | (MSVCRT__S_IEXEC >> 3) | (MSVCRT__S_IEXEC >> 6)) /* _access() bit flags FIXME: incomplete */ #define MSVCRT_W_OK 0x02 #define MSVCRT_R_OK 0x04 /* values for wxflag in file descriptor */ #define WX_OPEN 0x01 #define WX_ATEOF 0x02 #define WX_READNL 0x04 /* read started with \n */ #define WX_PIPE 0x08 #define WX_DONTINHERIT 0x10 #define WX_APPEND 0x20 #define WX_TTY 0x40 #define WX_TEXT 0x80 /* values for exflag - it's used differently in msvcr90.dll*/ #define EF_UTF8 0x01 #define EF_UTF16 0x02 #define EF_CRIT_INIT 0x04 #define EF_UNK_UNICODE 0x08 static char utf8_bom[3] = { 0xef, 0xbb, 0xbf }; static char utf16_bom[2] = { 0xff, 0xfe }; /* FIXME: this should be allocated dynamically */ #define MSVCRT_MAX_FILES 2048 #define MSVCRT_FD_BLOCK_SIZE 32 #define MSVCRT_INTERNAL_BUFSIZ 4096 /* ioinfo structure size is different in msvcrXX.dll's */ typedef struct { HANDLE handle; unsigned char wxflag; char lookahead[3]; int exflag; CRITICAL_SECTION crit; #if _MSVCR_VER >= 80 char textmode : 7; char unicode : 1; char pipech2[2]; __int64 startpos; BOOL utf8translations; #endif #if _MSVCR_VER >= 90 char dbcsBuffer; BOOL dbcsBufferUsed; #endif } ioinfo; /********************************************************************* * __pioinfo (MSVCRT.@) * array of pointers to ioinfo arrays [32] */ ioinfo * MSVCRT___pioinfo[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE] = { 0 }; /********************************************************************* * __badioinfo (MSVCRT.@) */ ioinfo MSVCRT___badioinfo = { INVALID_HANDLE_VALUE, WX_TEXT }; static int MSVCRT_fdstart = 3; /* first unallocated fd */ static int MSVCRT_fdend = 3; /* highest allocated fd */ typedef struct { MSVCRT_FILE file; CRITICAL_SECTION crit; } file_crit; MSVCRT_FILE MSVCRT__iob[_IOB_ENTRIES] = { { 0 } }; static file_crit* MSVCRT_fstream[MSVCRT_MAX_FILES/MSVCRT_FD_BLOCK_SIZE]; static int MSVCRT_max_streams = 512, MSVCRT_stream_idx; /* INTERNAL: process umask */ static int MSVCRT_umask = 0; /* INTERNAL: static data for tmpnam and _wtmpname functions */ static int tmpnam_unique; static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e'; static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't'; static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd'; static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm'; #define TOUL(x) (ULONGLONG)(x) static const ULONGLONG WCEXE = TOUL('e') << 32 | TOUL('x') << 16 | TOUL('e'); static const ULONGLONG WCBAT = TOUL('b') << 32 | TOUL('a') << 16 | TOUL('t'); static const ULONGLONG WCCMD = TOUL('c') << 32 | TOUL('m') << 16 | TOUL('d'); static const ULONGLONG WCCOM = TOUL('c') << 32 | TOUL('o') << 16 | TOUL('m'); /* This critical section protects the tables MSVCRT___pioinfo and MSVCRT_fstreams, * and their related indexes, MSVCRT_fdstart, MSVCRT_fdend, * and MSVCRT_stream_idx, from race conditions. * It doesn't protect against race conditions manipulating the underlying files * or flags; doing so would probably be better accomplished with per-file * protection, rather than locking the whole table for every change. */ static CRITICAL_SECTION MSVCRT_file_cs; static CRITICAL_SECTION_DEBUG MSVCRT_file_cs_debug = { 0, 0, &MSVCRT_file_cs, { &MSVCRT_file_cs_debug.ProcessLocksList, &MSVCRT_file_cs_debug.ProcessLocksList }, 0, 0, { (DWORD_PTR)(__FILE__ ": MSVCRT_file_cs") } }; static CRITICAL_SECTION MSVCRT_file_cs = { &MSVCRT_file_cs_debug, -1, 0, 0, 0, 0 }; #define LOCK_FILES() do { EnterCriticalSection(&MSVCRT_file_cs); } while (0) #define UNLOCK_FILES() do { LeaveCriticalSection(&MSVCRT_file_cs); } while (0) static void msvcrt_stat64_to_stat(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat *buf) { buf->st_dev = buf64->st_dev; buf->st_ino = buf64->st_ino; buf->st_mode = buf64->st_mode; buf->st_nlink = buf64->st_nlink; buf->st_uid = buf64->st_uid; buf->st_gid = buf64->st_gid; buf->st_rdev = buf64->st_rdev; buf->st_size = buf64->st_size; buf->st_atime = buf64->st_atime; buf->st_mtime = buf64->st_mtime; buf->st_ctime = buf64->st_ctime; } static void msvcrt_stat64_to_stati64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stati64 *buf) { buf->st_dev = buf64->st_dev; buf->st_ino = buf64->st_ino; buf->st_mode = buf64->st_mode; buf->st_nlink = buf64->st_nlink; buf->st_uid = buf64->st_uid; buf->st_gid = buf64->st_gid; buf->st_rdev = buf64->st_rdev; buf->st_size = buf64->st_size; buf->st_atime = buf64->st_atime; buf->st_mtime = buf64->st_mtime; buf->st_ctime = buf64->st_ctime; } static void msvcrt_stat64_to_stat32(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat32 *buf) { buf->st_dev = buf64->st_dev; buf->st_ino = buf64->st_ino; buf->st_mode = buf64->st_mode; buf->st_nlink = buf64->st_nlink; buf->st_uid = buf64->st_uid; buf->st_gid = buf64->st_gid; buf->st_rdev = buf64->st_rdev; buf->st_size = buf64->st_size; buf->st_atime = buf64->st_atime; buf->st_mtime = buf64->st_mtime; buf->st_ctime = buf64->st_ctime; } static void msvcrt_stat64_to_stat64i32(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat64i32 *buf) { buf->st_dev = buf64->st_dev; buf->st_ino = buf64->st_ino; buf->st_mode = buf64->st_mode; buf->st_nlink = buf64->st_nlink; buf->st_uid = buf64->st_uid; buf->st_gid = buf64->st_gid; buf->st_rdev = buf64->st_rdev; buf->st_size = buf64->st_size; buf->st_atime = buf64->st_atime; buf->st_mtime = buf64->st_mtime; buf->st_ctime = buf64->st_ctime; } static void msvcrt_stat64_to_stat32i64(const struct MSVCRT__stat64 *buf64, struct MSVCRT__stat32i64 *buf) { buf->st_dev = buf64->st_dev; buf->st_ino = buf64->st_ino; buf->st_mode = buf64->st_mode; buf->st_nlink = buf64->st_nlink; buf->st_uid = buf64->st_uid; buf->st_gid = buf64->st_gid; buf->st_rdev = buf64->st_rdev; buf->st_size = buf64->st_size; buf->st_atime = buf64->st_atime; buf->st_mtime = buf64->st_mtime; buf->st_ctime = buf64->st_ctime; } static void time_to_filetime( MSVCRT___time64_t time, FILETIME *ft ) { /* 1601 to 1970 is 369 years plus 89 leap days */ static const __int64 secs_1601_to_1970 = ((369 * 365 + 89) * (__int64)86400); __int64 ticks = (time + secs_1601_to_1970) * 10000000; ft->dwHighDateTime = ticks >> 32; ft->dwLowDateTime = ticks; } static inline ioinfo* msvcrt_get_ioinfo(int fd) { ioinfo *ret = NULL; if(fd < MSVCRT_MAX_FILES) ret = MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE]; if(!ret) return &MSVCRT___badioinfo; return ret + (fd%MSVCRT_FD_BLOCK_SIZE); } static inline MSVCRT_FILE* msvcrt_get_file(int i) { file_crit *ret; if(i >= MSVCRT_max_streams) return NULL; if(i < _IOB_ENTRIES) return &MSVCRT__iob[i]; ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]; if(!ret) { MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(file_crit)); if(!MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE]) { ERR("out of memory\n"); *MSVCRT__errno() = MSVCRT_ENOMEM; return NULL; } ret = MSVCRT_fstream[i/MSVCRT_FD_BLOCK_SIZE] + (i%MSVCRT_FD_BLOCK_SIZE); } else ret += i%MSVCRT_FD_BLOCK_SIZE; return &ret->file; } static inline BOOL msvcrt_is_valid_fd(int fd) { return fd >= 0 && fd < MSVCRT_fdend && (msvcrt_get_ioinfo(fd)->wxflag & WX_OPEN); } /* INTERNAL: Get the HANDLE for a fd * This doesn't lock the table, because a failure will result in * INVALID_HANDLE_VALUE being returned, which should be handled correctly. If * it returns a valid handle which is about to be closed, a subsequent call * will fail, most likely in a sane way. */ static HANDLE msvcrt_fdtoh(int fd) { if (!msvcrt_is_valid_fd(fd)) { WARN(":fd (%d) - no handle!\n",fd); *MSVCRT___doserrno() = 0; *MSVCRT__errno() = MSVCRT_EBADF; return INVALID_HANDLE_VALUE; } if (msvcrt_get_ioinfo(fd)->handle == INVALID_HANDLE_VALUE) WARN("returning INVALID_HANDLE_VALUE for %d\n", fd); return msvcrt_get_ioinfo(fd)->handle; } /* INTERNAL: free a file entry fd */ static void msvcrt_free_fd(int fd) { ioinfo *fdinfo; LOCK_FILES(); fdinfo = msvcrt_get_ioinfo(fd); if(fdinfo != &MSVCRT___badioinfo) { fdinfo->handle = INVALID_HANDLE_VALUE; fdinfo->wxflag = 0; } TRACE(":fd (%d) freed\n",fd); if (fd < 3) { switch (fd) { case 0: SetStdHandle(STD_INPUT_HANDLE, 0); break; case 1: SetStdHandle(STD_OUTPUT_HANDLE, 0); break; case 2: SetStdHandle(STD_ERROR_HANDLE, 0); break; } } if (fd == MSVCRT_fdend - 1) MSVCRT_fdend--; if (fd < MSVCRT_fdstart) MSVCRT_fdstart = fd; UNLOCK_FILES(); } /* INTERNAL: Allocate an fd slot from a Win32 HANDLE, starting from fd */ /* caller must hold the files lock */ static int msvcrt_set_fd(HANDLE hand, int flag, int fd) { ioinfo *fdinfo; if (fd >= MSVCRT_MAX_FILES) { WARN(":files exhausted!\n"); *MSVCRT__errno() = MSVCRT_ENFILE; return -1; } fdinfo = msvcrt_get_ioinfo(fd); if(fdinfo == &MSVCRT___badioinfo) { int i; MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE] = MSVCRT_calloc(MSVCRT_FD_BLOCK_SIZE, sizeof(ioinfo)); if(!MSVCRT___pioinfo[fd/MSVCRT_FD_BLOCK_SIZE]) { WARN(":out of memory!\n"); *MSVCRT__errno() = MSVCRT_ENOMEM; return -1; } for(i=0; ihandle = hand; fdinfo->wxflag = WX_OPEN | (flag & (WX_DONTINHERIT | WX_APPEND | WX_TEXT | WX_PIPE | WX_TTY)); fdinfo->lookahead[0] = '\n'; fdinfo->lookahead[1] = '\n'; fdinfo->lookahead[2] = '\n'; fdinfo->exflag = 0; /* locate next free slot */ if (fd == MSVCRT_fdstart && fd == MSVCRT_fdend) MSVCRT_fdstart = MSVCRT_fdend + 1; else while (MSVCRT_fdstart < MSVCRT_fdend && msvcrt_get_ioinfo(MSVCRT_fdstart)->handle != INVALID_HANDLE_VALUE) MSVCRT_fdstart++; /* update last fd in use */ if (fd >= MSVCRT_fdend) MSVCRT_fdend = fd + 1; TRACE("fdstart is %d, fdend is %d\n", MSVCRT_fdstart, MSVCRT_fdend); switch (fd) { case 0: SetStdHandle(STD_INPUT_HANDLE, hand); break; case 1: SetStdHandle(STD_OUTPUT_HANDLE, hand); break; case 2: SetStdHandle(STD_ERROR_HANDLE, hand); break; } return fd; } /* INTERNAL: Allocate an fd slot from a Win32 HANDLE */ static int msvcrt_alloc_fd(HANDLE hand, int flag) { int ret; LOCK_FILES(); TRACE(":handle (%p) allocating fd (%d)\n",hand,MSVCRT_fdstart); ret = msvcrt_set_fd(hand, flag, MSVCRT_fdstart); UNLOCK_FILES(); return ret; } /* INTERNAL: Allocate a FILE* for an fd slot */ /* caller must hold the files lock */ static MSVCRT_FILE* msvcrt_alloc_fp(void) { int i; MSVCRT_FILE *file; for (i = 3; i < MSVCRT_max_streams; i++) { file = msvcrt_get_file(i); if (!file) return NULL; if (file->_flag == 0) { if (i == MSVCRT_stream_idx) { if (file=MSVCRT__iob+_IOB_ENTRIES) { InitializeCriticalSection(&((file_crit*)file)->crit); ((file_crit*)file)->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": file_crit.crit"); } MSVCRT_stream_idx++; } return file; } } return NULL; } /* INTERNAL: initialize a FILE* from an open fd */ static int msvcrt_init_fp(MSVCRT_FILE* file, int fd, unsigned stream_flags) { TRACE(":fd (%d) allocating FILE*\n",fd); if (!msvcrt_is_valid_fd(fd)) { WARN(":invalid fd %d\n",fd); *MSVCRT___doserrno() = 0; *MSVCRT__errno() = MSVCRT_EBADF; return -1; } file->_ptr = file->_base = NULL; file->_cnt = 0; file->_file = fd; file->_flag = stream_flags; file->_tmpfname = NULL; TRACE(":got FILE* (%p)\n",file); return 0; } /* INTERNAL: Create an inheritance data block (for spawned process) * The inheritance block is made of: * 00 int nb of file descriptor (NBFD) * 04 char file flags (wxflag): repeated for each fd * 4+NBFD HANDLE file handle: repeated for each fd */ unsigned msvcrt_create_io_inherit_block(WORD *size, BYTE **block) { int fd; char* wxflag_ptr; HANDLE* handle_ptr; ioinfo* fdinfo; *size = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * MSVCRT_fdend; *block = MSVCRT_calloc(*size, 1); if (!*block) { *size = 0; return FALSE; } wxflag_ptr = (char*)*block + sizeof(unsigned); handle_ptr = (HANDLE*)(wxflag_ptr + MSVCRT_fdend * sizeof(char)); *(unsigned*)*block = MSVCRT_fdend; for (fd = 0; fd < MSVCRT_fdend; fd++) { /* to be inherited, we need it to be open, and that DONTINHERIT isn't set */ fdinfo = msvcrt_get_ioinfo(fd); if ((fdinfo->wxflag & (WX_OPEN | WX_DONTINHERIT)) == WX_OPEN) { *wxflag_ptr = fdinfo->wxflag; *handle_ptr = fdinfo->handle; } else { *wxflag_ptr = 0; *handle_ptr = INVALID_HANDLE_VALUE; } wxflag_ptr++; handle_ptr++; } return TRUE; } /* INTERNAL: Set up all file descriptors, * as well as default streams (stdin, stderr and stdout) */ void msvcrt_init_io(void) { STARTUPINFOA si; int i; ioinfo *fdinfo; GetStartupInfoA(&si); if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL) { BYTE* wxflag_ptr; HANDLE* handle_ptr; unsigned int count; count = *(unsigned*)si.lpReserved2; wxflag_ptr = si.lpReserved2 + sizeof(unsigned); handle_ptr = (HANDLE*)(wxflag_ptr + count); count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1)); count = min(count, MSVCRT_MAX_FILES); for (i = 0; i < count; i++) { if ((*wxflag_ptr & WX_OPEN) && *handle_ptr != INVALID_HANDLE_VALUE) msvcrt_set_fd(*handle_ptr, *wxflag_ptr, i); wxflag_ptr++; handle_ptr++; } MSVCRT_fdend = max( 3, count ); for (MSVCRT_fdstart = 3; MSVCRT_fdstart < MSVCRT_fdend; MSVCRT_fdstart++) if (msvcrt_get_ioinfo(MSVCRT_fdstart)->handle == INVALID_HANDLE_VALUE) break; } fdinfo = msvcrt_get_ioinfo(MSVCRT_STDIN_FILENO); if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) { HANDLE h = GetStdHandle(STD_INPUT_HANDLE); DWORD type = GetFileType(h); msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0) |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDIN_FILENO); } fdinfo = msvcrt_get_ioinfo(MSVCRT_STDOUT_FILENO); if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) { HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE); DWORD type = GetFileType(h); msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0) |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDOUT_FILENO); } fdinfo = msvcrt_get_ioinfo(MSVCRT_STDERR_FILENO); if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) { HANDLE h = GetStdHandle(STD_ERROR_HANDLE); DWORD type = GetFileType(h); msvcrt_set_fd(h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0) |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0), MSVCRT_STDERR_FILENO); } TRACE(":handles (%p)(%p)(%p)\n", msvcrt_get_ioinfo(MSVCRT_STDIN_FILENO)->handle, msvcrt_get_ioinfo(MSVCRT_STDOUT_FILENO)->handle, msvcrt_get_ioinfo(MSVCRT_STDERR_FILENO)->handle); memset(MSVCRT__iob,0,3*sizeof(MSVCRT_FILE)); for (i = 0; i < 3; i++) { /* FILE structs for stdin/out/err are static and never deleted */ MSVCRT__iob[i]._file = i; MSVCRT__iob[i]._tmpfname = NULL; MSVCRT__iob[i]._flag = (i == 0) ? MSVCRT__IOREAD : MSVCRT__IOWRT; } MSVCRT_stream_idx = 3; } /* INTERNAL: Flush stdio file buffer */ static int msvcrt_flush_buffer(MSVCRT_FILE* file) { if(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) { int cnt=file->_ptr-file->_base; if(cnt>0 && MSVCRT__write(file->_file, file->_base, cnt) != cnt) { file->_flag |= MSVCRT__IOERR; return MSVCRT_EOF; } file->_ptr=file->_base; file->_cnt=0; } return 0; } /********************************************************************* * _isatty (MSVCRT.@) */ int CDECL MSVCRT__isatty(int fd) { TRACE(":fd (%d)\n",fd); return msvcrt_get_ioinfo(fd)->wxflag & WX_TTY; } /* INTERNAL: Allocate stdio file buffer */ static BOOL msvcrt_alloc_buffer(MSVCRT_FILE* file) { if((file->_file==MSVCRT_STDOUT_FILENO || file->_file==MSVCRT_STDERR_FILENO) && MSVCRT__isatty(file->_file)) return FALSE; file->_base = MSVCRT_calloc(MSVCRT_INTERNAL_BUFSIZ,1); if(file->_base) { file->_bufsiz = MSVCRT_INTERNAL_BUFSIZ; file->_flag |= MSVCRT__IOMYBUF; } else { file->_base = (char*)(&file->_charbuf); file->_bufsiz = 2; file->_flag |= MSVCRT__IONBF; } file->_ptr = file->_base; file->_cnt = 0; return TRUE; } /* INTERNAL: Allocate temporary buffer for stdout and stderr */ static BOOL add_std_buffer(MSVCRT_FILE *file) { static char buffers[2][MSVCRT_BUFSIZ]; if((file->_file!=MSVCRT_STDOUT_FILENO && file->_file!=MSVCRT_STDERR_FILENO) || (file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF)) || !MSVCRT__isatty(file->_file)) return FALSE; file->_ptr = file->_base = buffers[file->_file == MSVCRT_STDOUT_FILENO ? 0 : 1]; file->_bufsiz = file->_cnt = MSVCRT_BUFSIZ; file->_flag |= MSVCRT__USERBUF; return TRUE; } /* INTERNAL: Removes temporary buffer from stdout or stderr */ /* Only call this function when add_std_buffer returned TRUE */ static void remove_std_buffer(MSVCRT_FILE *file) { msvcrt_flush_buffer(file); file->_ptr = file->_base = NULL; file->_bufsiz = file->_cnt = 0; file->_flag &= ~MSVCRT__USERBUF; } /* INTERNAL: Convert integer to base32 string (0-9a-v), 0 becomes "" */ static int msvcrt_int_to_base32(int num, char *str) { char *p; int n = num; int digits = 0; while (n != 0) { n >>= 5; digits++; } p = str + digits; *p = 0; while (--p >= str) { *p = (num & 31) + '0'; if (*p > '9') *p += ('a' - '0' - 10); num >>= 5; } return digits; } /* INTERNAL: wide character version of msvcrt_int_to_base32 */ static int msvcrt_int_to_base32_w(int num, MSVCRT_wchar_t *str) { MSVCRT_wchar_t *p; int n = num; int digits = 0; while (n != 0) { n >>= 5; digits++; } p = str + digits; *p = 0; while (--p >= str) { *p = (num & 31) + '0'; if (*p > '9') *p += ('a' - '0' - 10); num >>= 5; } return digits; } /********************************************************************* * __iob_func(MSVCRT.@) */ MSVCRT_FILE * CDECL MSVCRT___iob_func(void) { return &MSVCRT__iob[0]; } /********************************************************************* * _access (MSVCRT.@) */ int CDECL MSVCRT__access(const char *filename, int mode) { DWORD attr = GetFileAttributesA(filename); TRACE("(%s,%d) %d\n",filename,mode,attr); if (!filename || attr == INVALID_FILE_ATTRIBUTES) { msvcrt_set_errno(GetLastError()); return -1; } if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK)) { msvcrt_set_errno(ERROR_ACCESS_DENIED); return -1; } return 0; } /********************************************************************* * _access_s (MSVCRT.@) */ int CDECL MSVCRT__access_s(const char *filename, int mode) { if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno(); if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno(); if (MSVCRT__access(filename, mode) == -1) return *MSVCRT__errno(); return 0; } /********************************************************************* * _waccess (MSVCRT.@) */ int CDECL MSVCRT__waccess(const MSVCRT_wchar_t *filename, int mode) { DWORD attr = GetFileAttributesW(filename); TRACE("(%s,%d) %d\n",debugstr_w(filename),mode,attr); if (!filename || attr == INVALID_FILE_ATTRIBUTES) { msvcrt_set_errno(GetLastError()); return -1; } if ((attr & FILE_ATTRIBUTE_READONLY) && (mode & MSVCRT_W_OK)) { msvcrt_set_errno(ERROR_ACCESS_DENIED); return -1; } return 0; } /********************************************************************* * _waccess_s (MSVCRT.@) */ int CDECL MSVCRT__waccess_s(const MSVCRT_wchar_t *filename, int mode) { if (!MSVCRT_CHECK_PMT(filename != NULL)) return *MSVCRT__errno(); if (!MSVCRT_CHECK_PMT((mode & ~(MSVCRT_R_OK | MSVCRT_W_OK)) == 0)) return *MSVCRT__errno(); if (MSVCRT__waccess(filename, mode) == -1) return *MSVCRT__errno(); return 0; } /********************************************************************* * _chmod (MSVCRT.@) */ int CDECL MSVCRT__chmod(const char *path, int flags) { DWORD oldFlags = GetFileAttributesA(path); if (oldFlags != INVALID_FILE_ATTRIBUTES) { DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY: oldFlags | FILE_ATTRIBUTE_READONLY; if (newFlags == oldFlags || SetFileAttributesA(path, newFlags)) return 0; } msvcrt_set_errno(GetLastError()); return -1; } /********************************************************************* * _wchmod (MSVCRT.@) */ int CDECL MSVCRT__wchmod(const MSVCRT_wchar_t *path, int flags) { DWORD oldFlags = GetFileAttributesW(path); if (oldFlags != INVALID_FILE_ATTRIBUTES) { DWORD newFlags = (flags & MSVCRT__S_IWRITE)? oldFlags & ~FILE_ATTRIBUTE_READONLY: oldFlags | FILE_ATTRIBUTE_READONLY; if (newFlags == oldFlags || SetFileAttributesW(path, newFlags)) return 0; } msvcrt_set_errno(GetLastError()); return -1; } /********************************************************************* * _unlink (MSVCRT.@) */ int CDECL MSVCRT__unlink(const char *path) { TRACE("%s\n",debugstr_a(path)); if(DeleteFileA(path)) return 0; TRACE("failed (%d)\n",GetLastError()); msvcrt_set_errno(GetLastError()); return -1; } /********************************************************************* * _wunlink (MSVCRT.@) */ int CDECL MSVCRT__wunlink(const MSVCRT_wchar_t *path) { TRACE("(%s)\n",debugstr_w(path)); if(DeleteFileW(path)) return 0; TRACE("failed (%d)\n",GetLastError()); msvcrt_set_errno(GetLastError()); return -1; } /********************************************************************* * _commit (MSVCRT.@) */ int CDECL MSVCRT__commit(int fd) { HANDLE hand = msvcrt_fdtoh(fd); TRACE(":fd (%d) handle (%p)\n",fd,hand); if (hand == INVALID_HANDLE_VALUE) return -1; if (!FlushFileBuffers(hand)) { if (GetLastError() == ERROR_INVALID_HANDLE) { /* FlushFileBuffers fails for console handles * so we ignore this error. */ return 0; } TRACE(":failed-last error (%d)\n",GetLastError()); msvcrt_set_errno(GetLastError()); return -1; } TRACE(":ok\n"); return 0; } /* flush_all_buffers calls MSVCRT_fflush which calls flush_all_buffers */ int CDECL MSVCRT_fflush(MSVCRT_FILE* file); /* INTERNAL: Flush all stream buffer */ static int msvcrt_flush_all_buffers(int mask) { int i, num_flushed = 0; MSVCRT_FILE *file; LOCK_FILES(); for (i = 0; i < MSVCRT_stream_idx; i++) { file = msvcrt_get_file(i); if (file->_flag) { if(file->_flag & mask) { MSVCRT_fflush(file); num_flushed++; } } } UNLOCK_FILES(); TRACE(":flushed (%d) handles\n",num_flushed); return num_flushed; } /********************************************************************* * _flushall (MSVCRT.@) */ int CDECL MSVCRT__flushall(void) { return msvcrt_flush_all_buffers(MSVCRT__IOWRT | MSVCRT__IOREAD); } /********************************************************************* * fflush (MSVCRT.@) */ int CDECL MSVCRT_fflush(MSVCRT_FILE* file) { int ret; if(!file) { msvcrt_flush_all_buffers(MSVCRT__IOWRT); ret = 0; } else { MSVCRT__lock_file(file); ret = MSVCRT__fflush_nolock(file); MSVCRT__unlock_file(file); } return ret; } /********************************************************************* * _fflush_nolock (MSVCRT.@) */ int CDECL MSVCRT__fflush_nolock(MSVCRT_FILE* file) { if(!file) { msvcrt_flush_all_buffers(MSVCRT__IOWRT); } else if(file->_flag & MSVCRT__IOWRT) { int res; res = msvcrt_flush_buffer(file); if(!res && (file->_flag & MSVCRT__IOCOMMIT)) res = MSVCRT__commit(file->_file) ? MSVCRT_EOF : 0; return res; } else if(file->_flag & MSVCRT__IOREAD) { file->_cnt = 0; file->_ptr = file->_base; return 0; } return 0; } /********************************************************************* * _close (MSVCRT.@) */ int CDECL MSVCRT__close(int fd) { HANDLE hand; int ret; LOCK_FILES(); hand = msvcrt_fdtoh(fd); TRACE(":fd (%d) handle (%p)\n",fd,hand); if (!msvcrt_is_valid_fd(fd)) { ret = -1; } else { msvcrt_free_fd(fd); ret = CloseHandle(hand) ? 0 : -1; if (ret) { WARN(":failed-last error (%d)\n",GetLastError()); msvcrt_set_errno(GetLastError()); } } UNLOCK_FILES(); TRACE(":ok\n"); return ret; } /********************************************************************* * _dup2 (MSVCRT.@) * NOTES * MSDN isn't clear on this point, but the remarks for _pipe * indicate file descriptors duplicated with _dup and _dup2 are always * inheritable. */ int CDECL MSVCRT__dup2(int od, int nd) { int ret; TRACE("(od=%d, nd=%d)\n", od, nd); LOCK_FILES(); if (nd < MSVCRT_MAX_FILES && nd >= 0 && msvcrt_is_valid_fd(od)) { HANDLE handle; if (DuplicateHandle(GetCurrentProcess(), msvcrt_get_ioinfo(od)->handle, GetCurrentProcess(), &handle, 0, TRUE, DUPLICATE_SAME_ACCESS)) { int wxflag = msvcrt_get_ioinfo(od)->wxflag & ~MSVCRT__O_NOINHERIT; if (msvcrt_is_valid_fd(nd)) MSVCRT__close(nd); ret = msvcrt_set_fd(handle, wxflag, nd); if (ret == -1) { CloseHandle(handle); *MSVCRT__errno() = MSVCRT_EMFILE; } else { /* _dup2 returns 0, not nd, on success */ ret = 0; } } else { ret = -1; msvcrt_set_errno(GetLastError()); } } else { *MSVCRT__errno() = MSVCRT_EBADF; ret = -1; } UNLOCK_FILES(); return ret; } /********************************************************************* * _dup (MSVCRT.@) */ int CDECL MSVCRT__dup(int od) { int fd, ret; LOCK_FILES(); fd = MSVCRT_fdstart; if (MSVCRT__dup2(od, fd) == 0) ret = fd; else ret = -1; UNLOCK_FILES(); return ret; } /********************************************************************* * _eof (MSVCRT.@) */ int CDECL MSVCRT__eof(int fd) { DWORD curpos,endpos; LONG hcurpos,hendpos; HANDLE hand = msvcrt_fdtoh(fd); TRACE(":fd (%d) handle (%p)\n",fd,hand); if (hand == INVALID_HANDLE_VALUE) return -1; if (msvcrt_get_ioinfo(fd)->wxflag & WX_ATEOF) return TRUE; /* Otherwise we do it the hard way */ hcurpos = hendpos = 0; curpos = SetFilePointer(hand, 0, &hcurpos, FILE_CURRENT); endpos = SetFilePointer(hand, 0, &hendpos, FILE_END); if (curpos == endpos && hcurpos == hendpos) { /* FIXME: shouldn't WX_ATEOF be set here? */ return TRUE; } SetFilePointer(hand, curpos, &hcurpos, FILE_BEGIN); return FALSE; } /********************************************************************* * _fcloseall (MSVCRT.@) */ int CDECL MSVCRT__fcloseall(void) { int num_closed = 0, i; MSVCRT_FILE *file; LOCK_FILES(); for (i = 3; i < MSVCRT_stream_idx; i++) { file = msvcrt_get_file(i); if (file->_flag && !MSVCRT_fclose(file)) num_closed++; } UNLOCK_FILES(); TRACE(":closed (%d) handles\n",num_closed); return num_closed; } /* free everything on process exit */ void msvcrt_free_io(void) { unsigned int i; int j; MSVCRT__flushall(); MSVCRT__fcloseall(); for(i=0; i=MSVCRT__iob+_IOB_ENTRIES) { ((file_crit*)file)->crit.DebugInfo->Spare[0] = 0; DeleteCriticalSection(&((file_crit*)file)->crit); } } for(i=0; i 2) { *MSVCRT__errno() = MSVCRT_EINVAL; return -1; } TRACE(":fd (%d) to %s pos %s\n", fd,wine_dbgstr_longlong(offset), (whence==SEEK_SET)?"SEEK_SET": (whence==SEEK_CUR)?"SEEK_CUR": (whence==SEEK_END)?"SEEK_END":"UNKNOWN"); /* The MoleBox protection scheme expects msvcrt to use SetFilePointer only, * so a LARGE_INTEGER offset cannot be passed directly via SetFilePointerEx. */ ofs.QuadPart = offset; if ((ofs.u.LowPart = SetFilePointer(hand, ofs.u.LowPart, &ofs.u.HighPart, whence)) != INVALID_SET_FILE_POINTER || GetLastError() == ERROR_SUCCESS) { msvcrt_get_ioinfo(fd)->wxflag &= ~WX_ATEOF; /* FIXME: What if we seek _to_ EOF - is EOF set? */ return ofs.QuadPart; } TRACE(":error-last error (%d)\n",GetLastError()); msvcrt_set_errno(GetLastError()); return -1; } /********************************************************************* * _lseek (MSVCRT.@) */ LONG CDECL MSVCRT__lseek(int fd, LONG offset, int whence) { return MSVCRT__lseeki64(fd, offset, whence); } /********************************************************************* * _lock_file (MSVCRT.@) */ void CDECL MSVCRT__lock_file(MSVCRT_FILE *file) { if(file>=MSVCRT__iob && filecrit); } /********************************************************************* * _unlock_file (MSVCRT.@) */ void CDECL MSVCRT__unlock_file(MSVCRT_FILE *file) { if(file>=MSVCRT__iob && filecrit); } /********************************************************************* * _locking (MSVCRT.@) * * This is untested; the underlying LockFile doesn't work yet. */ int CDECL MSVCRT__locking(int fd, int mode, LONG nbytes) { BOOL ret; DWORD cur_locn; HANDLE hand = msvcrt_fdtoh(fd); TRACE(":fd (%d) handle (%p)\n",fd,hand); if (hand == INVALID_HANDLE_VALUE) return -1; if (mode < 0 || mode > 4) { *MSVCRT__errno() = MSVCRT_EINVAL; return -1; } TRACE(":fd (%d) by 0x%08x mode %s\n", fd,nbytes,(mode==MSVCRT__LK_UNLCK)?"_LK_UNLCK": (mode==MSVCRT__LK_LOCK)?"_LK_LOCK": (mode==MSVCRT__LK_NBLCK)?"_LK_NBLCK": (mode==MSVCRT__LK_RLCK)?"_LK_RLCK": (mode==MSVCRT__LK_NBRLCK)?"_LK_NBRLCK": "UNKNOWN"); if ((cur_locn = SetFilePointer(hand, 0L, NULL, SEEK_CUR)) == INVALID_SET_FILE_POINTER) { FIXME ("Seek failed\n"); *MSVCRT__errno() = MSVCRT_EINVAL; /* FIXME */ return -1; } if (mode == MSVCRT__LK_LOCK || mode == MSVCRT__LK_RLCK) { int nretry = 10; ret = 1; /* just to satisfy gcc */ while (nretry--) { ret = LockFile(hand, cur_locn, 0L, nbytes, 0L); if (ret) break; Sleep(1); } } else if (mode == MSVCRT__LK_UNLCK) ret = UnlockFile(hand, cur_locn, 0L, nbytes, 0L); else ret = LockFile(hand, cur_locn, 0L, nbytes, 0L); /* FIXME - what about error settings? */ return ret ? 0 : -1; } /********************************************************************* * _fseeki64 (MSVCRT.@) */ int CDECL MSVCRT__fseeki64(MSVCRT_FILE* file, __int64 offset, int whence) { int ret; MSVCRT__lock_file(file); ret = MSVCRT__fseeki64_nolock(file, offset, whence); MSVCRT__unlock_file(file); return ret; } /********************************************************************* * _fseeki64_nolock (MSVCRT.@) */ int CDECL MSVCRT__fseeki64_nolock(MSVCRT_FILE* file, __int64 offset, int whence) { int ret; /* Flush output if needed */ if(file->_flag & MSVCRT__IOWRT) msvcrt_flush_buffer(file); if(whence == SEEK_CUR && file->_flag & MSVCRT__IOREAD ) { whence = SEEK_SET; offset += MSVCRT__ftelli64_nolock(file); } /* Discard buffered input */ file->_cnt = 0; file->_ptr = file->_base; /* Reset direction of i/o */ if(file->_flag & MSVCRT__IORW) { file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT); } /* Clear end of file flag */ file->_flag &= ~MSVCRT__IOEOF; ret = (MSVCRT__lseeki64(file->_file,offset,whence) == -1)?-1:0; return ret; } /********************************************************************* * fseek (MSVCRT.@) */ int CDECL MSVCRT_fseek(MSVCRT_FILE* file, MSVCRT_long offset, int whence) { return MSVCRT__fseeki64( file, offset, whence ); } /********************************************************************* * _fseek_nolock (MSVCRT.@) */ int CDECL MSVCRT__fseek_nolock(MSVCRT_FILE* file, MSVCRT_long offset, int whence) { return MSVCRT__fseeki64_nolock( file, offset, whence ); } /********************************************************************* * _chsize_s (MSVCRT.@) */ int CDECL MSVCRT__chsize_s(int fd, __int64 size) { __int64 cur, pos; HANDLE handle; BOOL ret = FALSE; TRACE("(fd=%d, size=%s)\n", fd, wine_dbgstr_longlong(size)); if (!MSVCRT_CHECK_PMT(size >= 0)) return MSVCRT_EINVAL; LOCK_FILES(); handle = msvcrt_fdtoh(fd); if (handle != INVALID_HANDLE_VALUE) { /* save the current file pointer */ cur = MSVCRT__lseeki64(fd, 0, SEEK_CUR); if (cur >= 0) { pos = MSVCRT__lseeki64(fd, size, SEEK_SET); if (pos >= 0) { ret = SetEndOfFile(handle); if (!ret) msvcrt_set_errno(GetLastError()); } /* restore the file pointer */ MSVCRT__lseeki64(fd, cur, SEEK_SET); } } UNLOCK_FILES(); return ret ? 0 : *MSVCRT__errno(); } /********************************************************************* * _chsize (MSVCRT.@) */ int CDECL MSVCRT__chsize(int fd, MSVCRT_long size) { /* _chsize_s returns errno on failure but _chsize should return -1 */ return MSVCRT__chsize_s( fd, size ) == 0 ? 0 : -1; } /********************************************************************* * clearerr (MSVCRT.@) */ void CDECL MSVCRT_clearerr(MSVCRT_FILE* file) { TRACE(":file (%p) fd (%d)\n",file,file->_file); MSVCRT__lock_file(file); file->_flag &= ~(MSVCRT__IOERR | MSVCRT__IOEOF); MSVCRT__unlock_file(file); } /********************************************************************* * rewind (MSVCRT.@) */ void CDECL MSVCRT_rewind(MSVCRT_FILE* file) { TRACE(":file (%p) fd (%d)\n",file,file->_file); MSVCRT__lock_file(file); MSVCRT_fseek(file, 0L, SEEK_SET); MSVCRT_clearerr(file); MSVCRT__unlock_file(file); } static int msvcrt_get_flags(const MSVCRT_wchar_t* mode, int *open_flags, int* stream_flags) { int plus = strchrW(mode, '+') != NULL; TRACE("%s\n", debugstr_w(mode)); while(*mode == ' ') mode++; switch(*mode++) { case 'R': case 'r': *open_flags = plus ? MSVCRT__O_RDWR : MSVCRT__O_RDONLY; *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOREAD; break; case 'W': case 'w': *open_flags = MSVCRT__O_CREAT | MSVCRT__O_TRUNC | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY); *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT; break; case 'A': case 'a': *open_flags = MSVCRT__O_CREAT | MSVCRT__O_APPEND | (plus ? MSVCRT__O_RDWR : MSVCRT__O_WRONLY); *stream_flags = plus ? MSVCRT__IORW : MSVCRT__IOWRT; break; default: MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL); return -1; } *stream_flags |= MSVCRT__commode; while (*mode && *mode!=',') switch (*mode++) { case 'B': case 'b': *open_flags |= MSVCRT__O_BINARY; *open_flags &= ~MSVCRT__O_TEXT; break; case 't': *open_flags |= MSVCRT__O_TEXT; *open_flags &= ~MSVCRT__O_BINARY; break; case 'D': *open_flags |= MSVCRT__O_TEMPORARY; break; case 'T': *open_flags |= MSVCRT__O_SHORT_LIVED; break; case 'c': *stream_flags |= MSVCRT__IOCOMMIT; break; case 'n': *stream_flags &= ~MSVCRT__IOCOMMIT; break; case 'N': *open_flags |= MSVCRT__O_NOINHERIT; break; case '+': case ' ': case 'a': case 'w': break; case 'S': case 'R': FIXME("ignoring cache optimization flag: %c\n", mode[-1]); break; default: ERR("incorrect mode flag: %c\n", mode[-1]); break; } if(*mode == ',') { static const WCHAR ccs[] = {'c','c','s'}; static const WCHAR utf8[] = {'u','t','f','-','8'}; static const WCHAR utf16le[] = {'u','t','f','-','1','6','l','e'}; static const WCHAR unicode[] = {'u','n','i','c','o','d','e'}; mode++; while(*mode == ' ') mode++; if(!MSVCRT_CHECK_PMT(!strncmpW(ccs, mode, sizeof(ccs)/sizeof(ccs[0])))) return -1; mode += sizeof(ccs)/sizeof(ccs[0]); while(*mode == ' ') mode++; if(!MSVCRT_CHECK_PMT(*mode == '=')) return -1; mode++; while(*mode == ' ') mode++; if(!strncmpiW(utf8, mode, sizeof(utf8)/sizeof(utf8[0]))) { *open_flags |= MSVCRT__O_U8TEXT; mode += sizeof(utf8)/sizeof(utf8[0]); } else if(!strncmpiW(utf16le, mode, sizeof(utf16le)/sizeof(utf16le[0]))) { *open_flags |= MSVCRT__O_U16TEXT; mode += sizeof(utf16le)/sizeof(utf16le[0]); } else if(!strncmpiW(unicode, mode, sizeof(unicode)/sizeof(unicode[0]))) { *open_flags |= MSVCRT__O_WTEXT; mode += sizeof(unicode)/sizeof(unicode[0]); } else { MSVCRT_INVALID_PMT(0, MSVCRT_EINVAL); return -1; } while(*mode == ' ') mode++; } if(!MSVCRT_CHECK_PMT(*mode == 0)) return -1; return 0; } /********************************************************************* * _fdopen (MSVCRT.@) */ MSVCRT_FILE* CDECL MSVCRT__fdopen(int fd, const char *mode) { MSVCRT_FILE *ret; MSVCRT_wchar_t *modeW = NULL; if (mode && !(modeW = msvcrt_wstrdupa(mode))) return NULL; ret = MSVCRT__wfdopen(fd, modeW); MSVCRT_free(modeW); return ret; } /********************************************************************* * _wfdopen (MSVCRT.@) */ MSVCRT_FILE* CDECL MSVCRT__wfdopen(int fd, const MSVCRT_wchar_t *mode) { int open_flags, stream_flags; MSVCRT_FILE* file; if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL; LOCK_FILES(); if (!(file = msvcrt_alloc_fp())) file = NULL; else if (msvcrt_init_fp(file, fd, stream_flags) == -1) { file->_flag = 0; file = NULL; } else TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file); UNLOCK_FILES(); return file; } /********************************************************************* * _filelength (MSVCRT.@) */ LONG CDECL MSVCRT__filelength(int fd) { LONG curPos = MSVCRT__lseek(fd, 0, SEEK_CUR); if (curPos != -1) { LONG endPos = MSVCRT__lseek(fd, 0, SEEK_END); if (endPos != -1) { if (endPos != curPos) MSVCRT__lseek(fd, curPos, SEEK_SET); return endPos; } } return -1; } /********************************************************************* * _filelengthi64 (MSVCRT.@) */ __int64 CDECL MSVCRT__filelengthi64(int fd) { __int64 curPos = MSVCRT__lseeki64(fd, 0, SEEK_CUR); if (curPos != -1) { __int64 endPos = MSVCRT__lseeki64(fd, 0, SEEK_END); if (endPos != -1) { if (endPos != curPos) MSVCRT__lseeki64(fd, curPos, SEEK_SET); return endPos; } } return -1; } /********************************************************************* * _fileno (MSVCRT.@) */ int CDECL MSVCRT__fileno(MSVCRT_FILE* file) { TRACE(":FILE* (%p) fd (%d)\n",file,file->_file); return file->_file; } /********************************************************************* * _fstat64 (MSVCRT.@) */ int CDECL MSVCRT__fstat64(int fd, struct MSVCRT__stat64* buf) { DWORD dw; DWORD type; BY_HANDLE_FILE_INFORMATION hfi; HANDLE hand = msvcrt_fdtoh(fd); TRACE(":fd (%d) stat (%p)\n",fd,buf); if (hand == INVALID_HANDLE_VALUE) return -1; if (!buf) { WARN(":failed-NULL buf\n"); msvcrt_set_errno(ERROR_INVALID_PARAMETER); return -1; } memset(&hfi, 0, sizeof(hfi)); memset(buf, 0, sizeof(struct MSVCRT__stat64)); type = GetFileType(hand); if (type == FILE_TYPE_PIPE) { buf->st_dev = buf->st_rdev = fd; buf->st_mode = S_IFIFO; buf->st_nlink = 1; } else if (type == FILE_TYPE_CHAR) { buf->st_dev = buf->st_rdev = fd; buf->st_mode = S_IFCHR; buf->st_nlink = 1; } else /* FILE_TYPE_DISK etc. */ { if (!GetFileInformationByHandle(hand, &hfi)) { WARN(":failed-last error (%d)\n",GetLastError()); msvcrt_set_errno(ERROR_INVALID_PARAMETER); return -1; } buf->st_mode = S_IFREG | 0444; if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) buf->st_mode |= 0222; buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow; RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw); buf->st_atime = dw; RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw); buf->st_mtime = buf->st_ctime = dw; buf->st_nlink = hfi.nNumberOfLinks; } TRACE(":dwFileAttributes = 0x%x, mode set to 0x%x\n",hfi.dwFileAttributes, buf->st_mode); return 0; } /********************************************************************* * _fstati64 (MSVCRT.@) */ int CDECL MSVCRT__fstati64(int fd, struct MSVCRT__stati64* buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT__fstat64(fd, &buf64); if (!ret) msvcrt_stat64_to_stati64(&buf64, buf); return ret; } /********************************************************************* * _fstat (MSVCRT.@) */ int CDECL MSVCRT__fstat(int fd, struct MSVCRT__stat* buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT__fstat64(fd, &buf64); if (!ret) msvcrt_stat64_to_stat(&buf64, buf); return ret; } /********************************************************************* * _fstat32 (MSVCR80.@) */ int CDECL MSVCRT__fstat32(int fd, struct MSVCRT__stat32* buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT__fstat64(fd, &buf64); if (!ret) msvcrt_stat64_to_stat32(&buf64, buf); return ret; } /********************************************************************* * _fstat64i32 (MSVCR80.@) */ int CDECL MSVCRT__fstat64i32(int fd, struct MSVCRT__stat64i32* buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT__fstat64(fd, &buf64); if (!ret) msvcrt_stat64_to_stat64i32(&buf64, buf); return ret; } /********************************************************************* * _futime64 (MSVCRT.@) */ int CDECL _futime64(int fd, struct MSVCRT___utimbuf64 *t) { HANDLE hand = msvcrt_fdtoh(fd); FILETIME at, wt; if (!t) { time_to_filetime( MSVCRT__time64(NULL), &at ); wt = at; } else { time_to_filetime( t->actime, &at ); time_to_filetime( t->modtime, &wt ); } if (!SetFileTime(hand, NULL, &at, &wt)) { msvcrt_set_errno(GetLastError()); return -1 ; } return 0; } /********************************************************************* * _futime32 (MSVCRT.@) */ int CDECL _futime32(int fd, struct MSVCRT___utimbuf32 *t) { if (t) { struct MSVCRT___utimbuf64 t64; t64.actime = t->actime; t64.modtime = t->modtime; return _futime64( fd, &t64 ); } else return _futime64( fd, NULL ); } /********************************************************************* * _futime (MSVCRT.@) */ #ifdef _WIN64 int CDECL _futime(int fd, struct MSVCRT___utimbuf64 *t) { return _futime64( fd, t ); } #else int CDECL _futime(int fd, struct MSVCRT___utimbuf32 *t) { return _futime32( fd, t ); } #endif /********************************************************************* * _get_osfhandle (MSVCRT.@) */ MSVCRT_intptr_t CDECL MSVCRT__get_osfhandle(int fd) { HANDLE hand = msvcrt_fdtoh(fd); TRACE(":fd (%d) handle (%p)\n",fd,hand); return (MSVCRT_intptr_t)hand; } /********************************************************************* * _mktemp_s (MSVCRT.@) */ int CDECL MSVCRT__mktemp_s(char *pattern, MSVCRT_size_t size) { DWORD len, xno, id; if(!MSVCRT_CHECK_PMT(pattern!=NULL)) return MSVCRT_EINVAL; for(len=0; len=6)) { if(size) pattern[0] = 0; return MSVCRT_EINVAL; } for(xno=1; xno<=6; xno++) if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X')) return MSVCRT_EINVAL; id = GetCurrentProcessId(); for(xno=1; xno<6; xno++) { pattern[len-xno] = id%10 + '0'; id /= 10; } for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) { if(GetFileAttributesA(pattern) == INVALID_FILE_ATTRIBUTES) return 0; } pattern[0] = 0; *MSVCRT__errno() = MSVCRT_EEXIST; return MSVCRT_EEXIST; } /********************************************************************* * _mktemp (MSVCRT.@) */ char * CDECL MSVCRT__mktemp(char *pattern) { int numX = 0; char *retVal = pattern; int id; char letter = 'a'; if(!pattern) return NULL; while(*pattern) numX = (*pattern++ == 'X')? numX + 1 : 0; if (numX < 6) return NULL; pattern--; id = GetCurrentProcessId(); numX = 6; while(numX--) { int tempNum = id / 10; *pattern-- = id - (tempNum * 10) + '0'; id = tempNum; } pattern++; do { *pattern = letter++; if (GetFileAttributesA(retVal) == INVALID_FILE_ATTRIBUTES) return retVal; } while(letter <= 'z'); return NULL; } /********************************************************************* * _wmktemp_s (MSVCRT.@) */ int CDECL MSVCRT__wmktemp_s(MSVCRT_wchar_t *pattern, MSVCRT_size_t size) { DWORD len, xno, id; if(!MSVCRT_CHECK_PMT(pattern!=NULL)) return MSVCRT_EINVAL; for(len=0; len=6)) { if(size) pattern[0] = 0; return MSVCRT_EINVAL; } for(xno=1; xno<=6; xno++) if(!MSVCRT_CHECK_PMT(pattern[len-xno] == 'X')) return MSVCRT_EINVAL; id = GetCurrentProcessId(); for(xno=1; xno<6; xno++) { pattern[len-xno] = id%10 + '0'; id /= 10; } for(pattern[len-6]='a'; pattern[len-6]<='z'; pattern[len-6]++) { if(GetFileAttributesW(pattern) == INVALID_FILE_ATTRIBUTES) return 0; } pattern[0] = 0; *MSVCRT__errno() = MSVCRT_EEXIST; return MSVCRT_EEXIST; } /********************************************************************* * _wmktemp (MSVCRT.@) */ MSVCRT_wchar_t * CDECL MSVCRT__wmktemp(MSVCRT_wchar_t *pattern) { int numX = 0; MSVCRT_wchar_t *retVal = pattern; int id; MSVCRT_wchar_t letter = 'a'; if(!pattern) return NULL; while(*pattern) numX = (*pattern++ == 'X')? numX + 1 : 0; if (numX < 6) return NULL; pattern--; id = GetCurrentProcessId(); numX = 6; while(numX--) { int tempNum = id / 10; *pattern-- = id - (tempNum * 10) + '0'; id = tempNum; } pattern++; do { if (GetFileAttributesW(retVal) == INVALID_FILE_ATTRIBUTES) return retVal; *pattern = letter++; } while(letter != '|'); return NULL; } static unsigned split_oflags(unsigned oflags) { int wxflags = 0; unsigned unsupp; /* until we support everything */ if (oflags & MSVCRT__O_APPEND) wxflags |= WX_APPEND; if (oflags & MSVCRT__O_BINARY) {/* Nothing to do */} else if (oflags & MSVCRT__O_TEXT) wxflags |= WX_TEXT; else if (oflags & MSVCRT__O_WTEXT) wxflags |= WX_TEXT; else if (oflags & MSVCRT__O_U16TEXT) wxflags |= WX_TEXT; else if (oflags & MSVCRT__O_U8TEXT) wxflags |= WX_TEXT; else if (*__p__fmode() & MSVCRT__O_BINARY) {/* Nothing to do */} else wxflags |= WX_TEXT; /* default to TEXT*/ if (oflags & MSVCRT__O_NOINHERIT) wxflags |= WX_DONTINHERIT; if ((unsupp = oflags & ~( MSVCRT__O_BINARY|MSVCRT__O_TEXT|MSVCRT__O_APPEND| MSVCRT__O_TRUNC|MSVCRT__O_EXCL|MSVCRT__O_CREAT| MSVCRT__O_RDWR|MSVCRT__O_WRONLY|MSVCRT__O_TEMPORARY| MSVCRT__O_NOINHERIT| MSVCRT__O_SEQUENTIAL|MSVCRT__O_RANDOM|MSVCRT__O_SHORT_LIVED| MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT ))) ERR(":unsupported oflags 0x%04x\n",unsupp); return wxflags; } /********************************************************************* * _pipe (MSVCRT.@) */ int CDECL MSVCRT__pipe(int *pfds, unsigned int psize, int textmode) { int ret = -1; SECURITY_ATTRIBUTES sa; HANDLE readHandle, writeHandle; if (!pfds) { *MSVCRT__errno() = MSVCRT_EINVAL; return -1; } sa.nLength = sizeof(SECURITY_ATTRIBUTES); sa.bInheritHandle = !(textmode & MSVCRT__O_NOINHERIT); sa.lpSecurityDescriptor = NULL; if (CreatePipe(&readHandle, &writeHandle, &sa, psize)) { unsigned int wxflags = split_oflags(textmode); int fd; LOCK_FILES(); fd = msvcrt_alloc_fd(readHandle, wxflags|WX_PIPE); if (fd != -1) { pfds[0] = fd; fd = msvcrt_alloc_fd(writeHandle, wxflags|WX_PIPE); if (fd != -1) { pfds[1] = fd; ret = 0; } else { MSVCRT__close(pfds[0]); CloseHandle(writeHandle); *MSVCRT__errno() = MSVCRT_EMFILE; } } else { CloseHandle(readHandle); CloseHandle(writeHandle); *MSVCRT__errno() = MSVCRT_EMFILE; } UNLOCK_FILES(); } else msvcrt_set_errno(GetLastError()); return ret; } static int check_bom(HANDLE h, int oflags, BOOL seek) { char bom[sizeof(utf8_bom)]; DWORD r; oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT); if (!ReadFile(h, bom, sizeof(utf8_bom), &r, NULL)) return oflags; if (r==sizeof(utf8_bom) && !memcmp(bom, utf8_bom, sizeof(utf8_bom))) { oflags |= MSVCRT__O_U8TEXT; }else if (r>=sizeof(utf16_bom) && !memcmp(bom, utf16_bom, sizeof(utf16_bom))) { if (seek && r>2) SetFilePointer(h, 2, NULL, FILE_BEGIN); oflags |= MSVCRT__O_U16TEXT; }else if (seek) { SetFilePointer(h, 0, NULL, FILE_BEGIN); } return oflags; } /********************************************************************* * _wsopen_s (MSVCRT.@) */ int CDECL MSVCRT__wsopen_s( int *fd, const MSVCRT_wchar_t* path, int oflags, int shflags, int pmode ) { DWORD access = 0, creation = 0, attrib; SECURITY_ATTRIBUTES sa; DWORD sharing, type; int wxflag; HANDLE hand; TRACE("fd*: %p :file (%s) oflags: 0x%04x shflags: 0x%04x pmode: 0x%04x\n", fd, debugstr_w(path), oflags, shflags, pmode); if (!MSVCRT_CHECK_PMT( fd != NULL )) return MSVCRT_EINVAL; *fd = -1; wxflag = split_oflags(oflags); switch (oflags & (MSVCRT__O_RDONLY | MSVCRT__O_WRONLY | MSVCRT__O_RDWR)) { case MSVCRT__O_RDONLY: access |= GENERIC_READ; break; case MSVCRT__O_WRONLY: access |= GENERIC_WRITE; break; case MSVCRT__O_RDWR: access |= GENERIC_WRITE | GENERIC_READ; break; } if (oflags & MSVCRT__O_CREAT) { if(pmode & ~(MSVCRT__S_IREAD | MSVCRT__S_IWRITE)) FIXME(": pmode 0x%04x ignored\n", pmode); else WARN(": pmode 0x%04x ignored\n", pmode); if (oflags & MSVCRT__O_EXCL) creation = CREATE_NEW; else if (oflags & MSVCRT__O_TRUNC) creation = CREATE_ALWAYS; else creation = OPEN_ALWAYS; } else /* no MSVCRT__O_CREAT */ { if (oflags & MSVCRT__O_TRUNC) creation = TRUNCATE_EXISTING; else creation = OPEN_EXISTING; } switch( shflags ) { case MSVCRT__SH_DENYRW: sharing = 0L; break; case MSVCRT__SH_DENYWR: sharing = FILE_SHARE_READ; break; case MSVCRT__SH_DENYRD: sharing = FILE_SHARE_WRITE; break; case MSVCRT__SH_DENYNO: sharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break; default: ERR( "Unhandled shflags 0x%x\n", shflags ); return MSVCRT_EINVAL; } attrib = FILE_ATTRIBUTE_NORMAL; if (oflags & MSVCRT__O_TEMPORARY) { attrib |= FILE_FLAG_DELETE_ON_CLOSE; access |= DELETE; sharing |= FILE_SHARE_DELETE; } sa.nLength = sizeof( SECURITY_ATTRIBUTES ); sa.lpSecurityDescriptor = NULL; sa.bInheritHandle = !(oflags & MSVCRT__O_NOINHERIT); if ((oflags&(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT)) && (creation==OPEN_ALWAYS || creation==OPEN_EXISTING) && !(access&GENERIC_READ)) { hand = CreateFileW(path, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE, &sa, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); if (hand != INVALID_HANDLE_VALUE) { oflags = check_bom(hand, oflags, FALSE); CloseHandle(hand); } else oflags &= ~(MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT); } hand = CreateFileW(path, access, sharing, &sa, creation, attrib, 0); if (hand == INVALID_HANDLE_VALUE) { WARN(":failed-last error (%d)\n",GetLastError()); msvcrt_set_errno(GetLastError()); return *MSVCRT__errno(); } if (oflags & (MSVCRT__O_WTEXT|MSVCRT__O_U16TEXT|MSVCRT__O_U8TEXT)) { if ((access & GENERIC_WRITE) && (creation==CREATE_NEW || creation==CREATE_ALWAYS || creation==TRUNCATE_EXISTING || (creation==OPEN_ALWAYS && GetLastError()==ERROR_ALREADY_EXISTS))) { if (oflags & MSVCRT__O_U8TEXT) { DWORD written = 0, tmp; while(written!=sizeof(utf8_bom) && WriteFile(hand, (char*)utf8_bom+written, sizeof(utf8_bom)-written, &tmp, NULL)) written += tmp; if (written != sizeof(utf8_bom)) { WARN("error writing BOM\n"); CloseHandle(hand); msvcrt_set_errno(GetLastError()); return *MSVCRT__errno(); } } else { DWORD written = 0, tmp; while(written!=sizeof(utf16_bom) && WriteFile(hand, (char*)utf16_bom+written, sizeof(utf16_bom)-written, &tmp, NULL)) written += tmp; if (written != sizeof(utf16_bom)) { WARN("error writing BOM\n"); CloseHandle(hand); msvcrt_set_errno(GetLastError()); return *MSVCRT__errno(); } } } else if (access & GENERIC_READ) oflags = check_bom(hand, oflags, TRUE); } type = GetFileType(hand); if (type == FILE_TYPE_CHAR) wxflag |= WX_TTY; else if (type == FILE_TYPE_PIPE) wxflag |= WX_PIPE; *fd = msvcrt_alloc_fd(hand, wxflag); if (*fd == -1) return *MSVCRT__errno(); if (oflags & MSVCRT__O_WTEXT) msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF16|EF_UNK_UNICODE; else if (oflags & MSVCRT__O_U16TEXT) msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF16; else if (oflags & MSVCRT__O_U8TEXT) msvcrt_get_ioinfo(*fd)->exflag |= EF_UTF8; TRACE(":fd (%d) handle (%p)\n", *fd, hand); return 0; } /********************************************************************* * _wsopen (MSVCRT.@) */ int CDECL MSVCRT__wsopen( const MSVCRT_wchar_t *path, int oflags, int shflags, ... ) { int pmode; int fd; if (oflags & MSVCRT__O_CREAT) { __ms_va_list ap; __ms_va_start(ap, shflags); pmode = va_arg(ap, int); __ms_va_end(ap); } else pmode = 0; MSVCRT__wsopen_s(&fd, path, oflags, shflags, pmode); return fd; } /********************************************************************* * _sopen_s (MSVCRT.@) */ int CDECL MSVCRT__sopen_s( int *fd, const char *path, int oflags, int shflags, int pmode ) { MSVCRT_wchar_t *pathW; int ret; if (!MSVCRT_CHECK_PMT(fd != NULL)) return MSVCRT_EINVAL; *fd = -1; if(!MSVCRT_CHECK_PMT(path && (pathW = msvcrt_wstrdupa(path)))) return MSVCRT_EINVAL; ret = MSVCRT__wsopen_s(fd, pathW, oflags, shflags, pmode); MSVCRT_free(pathW); return ret; } /********************************************************************* * _sopen (MSVCRT.@) */ int CDECL MSVCRT__sopen( const char *path, int oflags, int shflags, ... ) { int pmode; int fd; if (oflags & MSVCRT__O_CREAT) { __ms_va_list ap; __ms_va_start(ap, shflags); pmode = va_arg(ap, int); __ms_va_end(ap); } else pmode = 0; MSVCRT__sopen_s(&fd, path, oflags, shflags, pmode); return fd; } /********************************************************************* * _open (MSVCRT.@) */ int CDECL MSVCRT__open( const char *path, int flags, ... ) { __ms_va_list ap; if (flags & MSVCRT__O_CREAT) { int pmode; __ms_va_start(ap, flags); pmode = va_arg(ap, int); __ms_va_end(ap); return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO, pmode ); } else return MSVCRT__sopen( path, flags, MSVCRT__SH_DENYNO); } /********************************************************************* * _wopen (MSVCRT.@) */ int CDECL MSVCRT__wopen(const MSVCRT_wchar_t *path,int flags,...) { __ms_va_list ap; if (flags & MSVCRT__O_CREAT) { int pmode; __ms_va_start(ap, flags); pmode = va_arg(ap, int); __ms_va_end(ap); return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO, pmode ); } else return MSVCRT__wsopen( path, flags, MSVCRT__SH_DENYNO); } /********************************************************************* * _creat (MSVCRT.@) */ int CDECL MSVCRT__creat(const char *path, int flags) { int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC; return MSVCRT__open(path, usedFlags); } /********************************************************************* * _wcreat (MSVCRT.@) */ int CDECL MSVCRT__wcreat(const MSVCRT_wchar_t *path, int flags) { int usedFlags = (flags & MSVCRT__O_TEXT)| MSVCRT__O_CREAT| MSVCRT__O_WRONLY| MSVCRT__O_TRUNC; return MSVCRT__wopen(path, usedFlags); } /********************************************************************* * _open_osfhandle (MSVCRT.@) */ int CDECL MSVCRT__open_osfhandle(MSVCRT_intptr_t handle, int oflags) { DWORD flags; int fd; /* MSVCRT__O_RDONLY (0) always matches, so set the read flag * MFC's CStdioFile clears O_RDONLY (0)! if it wants to write to the * file, so set the write flag. It also only sets MSVCRT__O_TEXT if it wants * text - it never sets MSVCRT__O_BINARY. */ /* don't let split_oflags() decide the mode if no mode is passed */ if (!(oflags & (MSVCRT__O_BINARY | MSVCRT__O_TEXT))) oflags |= MSVCRT__O_BINARY; flags = GetFileType((HANDLE)handle); if (flags==FILE_TYPE_UNKNOWN && GetLastError()!=NO_ERROR) { msvcrt_set_errno(GetLastError()); return -1; } if (flags == FILE_TYPE_CHAR) flags = WX_TTY; else if (flags == FILE_TYPE_PIPE) flags = WX_PIPE; else flags = 0; flags |= split_oflags(oflags); fd = msvcrt_alloc_fd((HANDLE)handle, flags); TRACE(":handle (%ld) fd (%d) flags 0x%08x\n", handle, fd, flags); return fd; } /********************************************************************* * _rmtmp (MSVCRT.@) */ int CDECL MSVCRT__rmtmp(void) { int num_removed = 0, i; MSVCRT_FILE *file; LOCK_FILES(); for (i = 3; i < MSVCRT_stream_idx; i++) { file = msvcrt_get_file(i); if (file->_tmpfname) { MSVCRT_fclose(file); num_removed++; } } UNLOCK_FILES(); if (num_removed) TRACE(":removed (%d) temp files\n",num_removed); return num_removed; } static inline int get_utf8_char_len(char ch) { if((ch&0xf8) == 0xf0) return 4; else if((ch&0xf0) == 0xe0) return 3; else if((ch&0xe0) == 0xc0) return 2; return 1; } /********************************************************************* * (internal) read_utf8 */ static int read_utf8(int fd, MSVCRT_wchar_t *buf, unsigned int count) { ioinfo *fdinfo = msvcrt_get_ioinfo(fd); HANDLE hand = fdinfo->handle; char min_buf[4], *readbuf, lookahead; DWORD readbuf_size, pos=0, num_read=1, char_len, i, j; /* make the buffer big enough to hold at least one character */ /* read bytes have to fit to output and lookahead buffers */ count /= 2; readbuf_size = count < 4 ? 4 : count; if(readbuf_size<=4 || !(readbuf = MSVCRT_malloc(readbuf_size))) { readbuf_size = 4; readbuf = min_buf; } if(fdinfo->lookahead[0] != '\n') { readbuf[pos++] = fdinfo->lookahead[0]; fdinfo->lookahead[0] = '\n'; if(fdinfo->lookahead[1] != '\n') { readbuf[pos++] = fdinfo->lookahead[1]; fdinfo->lookahead[1] = '\n'; if(fdinfo->lookahead[2] != '\n') { readbuf[pos++] = fdinfo->lookahead[2]; fdinfo->lookahead[2] = '\n'; } } } /* NOTE: this case is broken in native dll, reading * sometimes fails when small buffer is passed */ if(count < 4) { if(!pos && !ReadFile(hand, readbuf, 1, &num_read, NULL)) { if (GetLastError() == ERROR_BROKEN_PIPE) { fdinfo->wxflag |= WX_ATEOF; return 0; }else { msvcrt_set_errno(GetLastError()); return -1; } }else if(!num_read) { fdinfo->wxflag |= WX_ATEOF; return 0; }else { pos++; } char_len = get_utf8_char_len(readbuf[0]); if(char_len>pos) { if(ReadFile(hand, readbuf+pos, char_len-pos, &num_read, NULL)) pos += num_read; } if(readbuf[0] == '\n') fdinfo->wxflag |= WX_READNL; else fdinfo->wxflag &= ~WX_READNL; if(readbuf[0] == 0x1a) { fdinfo->wxflag |= WX_ATEOF; return 0; } if(readbuf[0] == '\r') { if(!ReadFile(hand, &lookahead, 1, &num_read, NULL) || num_read!=1) buf[0] = '\r'; else if(lookahead == '\n') buf[0] = '\n'; else { buf[0] = '\r'; if(fdinfo->wxflag & (WX_PIPE | WX_TTY)) fdinfo->lookahead[0] = lookahead; else SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT); } return 2; } if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) { msvcrt_set_errno(GetLastError()); return -1; } return num_read*2; } if(!ReadFile(hand, readbuf+pos, readbuf_size-pos, &num_read, NULL)) { if(pos) { num_read = 0; }else if(GetLastError() == ERROR_BROKEN_PIPE) { fdinfo->wxflag |= WX_ATEOF; if (readbuf != min_buf) MSVCRT_free(readbuf); return 0; }else { msvcrt_set_errno(GetLastError()); if (readbuf != min_buf) MSVCRT_free(readbuf); return -1; } }else if(!pos && !num_read) { fdinfo->wxflag |= WX_ATEOF; if (readbuf != min_buf) MSVCRT_free(readbuf); return 0; } pos += num_read; if(readbuf[0] == '\n') fdinfo->wxflag |= WX_READNL; else fdinfo->wxflag &= ~WX_READNL; /* Find first byte of last character (may be incomplete) */ for(i=pos-1; i>0 && i>pos-4; i--) if((readbuf[i]&0xc0) != 0x80) break; char_len = get_utf8_char_len(readbuf[i]); if(char_len+i <= pos) i += char_len; if(fdinfo->wxflag & (WX_PIPE | WX_TTY)) { if(i < pos) fdinfo->lookahead[0] = readbuf[i]; if(i+1 < pos) fdinfo->lookahead[1] = readbuf[i+1]; if(i+2 < pos) fdinfo->lookahead[2] = readbuf[i+2]; }else if(i < pos) { SetFilePointer(fdinfo->handle, i-pos, NULL, FILE_CURRENT); } pos = i; for(i=0, j=0; iwxflag |= WX_ATEOF; break; } /* strip '\r' if followed by '\n' */ if(readbuf[i] == '\r' && i+1==pos) { if(fdinfo->lookahead[0] != '\n' || !ReadFile(hand, &lookahead, 1, &num_read, NULL) || !num_read) { readbuf[j++] = '\r'; }else if(lookahead == '\n' && j==0) { readbuf[j++] = '\n'; }else { if(lookahead != '\n') readbuf[j++] = '\r'; if(fdinfo->wxflag & (WX_PIPE | WX_TTY)) fdinfo->lookahead[0] = lookahead; else SetFilePointer(fdinfo->handle, -1, NULL, FILE_CURRENT); } }else if(readbuf[i]!='\r' || readbuf[i+1]!='\n') { readbuf[j++] = readbuf[i]; } } pos = j; if(!(num_read = MultiByteToWideChar(CP_UTF8, 0, readbuf, pos, buf, count))) { msvcrt_set_errno(GetLastError()); if (readbuf != min_buf) MSVCRT_free(readbuf); return -1; } if (readbuf != min_buf) MSVCRT_free(readbuf); return num_read*2; } /********************************************************************* * (internal) read_i * * When reading \r as last character in text mode, read() positions * the file pointer on the \r character while getc() goes on to * the following \n */ static int read_i(int fd, void *buf, unsigned int count) { DWORD num_read, utf16; char *bufstart = buf; HANDLE hand = msvcrt_fdtoh(fd); ioinfo *fdinfo = msvcrt_get_ioinfo(fd); if (count == 0) return 0; if (fdinfo->wxflag & WX_ATEOF) { TRACE("already at EOF, returning 0\n"); return 0; } /* Don't trace small reads, it gets *very* annoying */ if (count > 4) TRACE(":fd (%d) handle (%p) buf (%p) len (%d)\n",fd,hand,buf,count); if (hand == INVALID_HANDLE_VALUE) { *MSVCRT__errno() = MSVCRT_EBADF; return -1; } utf16 = (fdinfo->exflag & EF_UTF16) != 0; if (((fdinfo->exflag&EF_UTF8) || utf16) && count&1) { *MSVCRT__errno() = MSVCRT_EINVAL; return -1; } if((fdinfo->wxflag&WX_TEXT) && (fdinfo->exflag&EF_UTF8)) return read_utf8(fd, buf, count); if (fdinfo->lookahead[0]!='\n' || ReadFile(hand, bufstart, count, &num_read, NULL)) { if (fdinfo->lookahead[0] != '\n') { bufstart[0] = fdinfo->lookahead[0]; fdinfo->lookahead[0] = '\n'; if (utf16) { bufstart[1] = fdinfo->lookahead[1]; fdinfo->lookahead[1] = '\n'; } if(count>1+utf16 && ReadFile(hand, bufstart+1+utf16, count-1-utf16, &num_read, NULL)) num_read += 1+utf16; else num_read = 1+utf16; } if(utf16 && (num_read&1)) { /* msvcr90 uses uninitialized value from the buffer in this case */ /* msvcrt ignores additional data */ ERR("got odd number of bytes in UTF16 mode\n"); num_read--; } if (count != 0 && num_read == 0) { fdinfo->wxflag |= WX_ATEOF; TRACE(":EOF %s\n",debugstr_an(buf,num_read)); } else if (fdinfo->wxflag & WX_TEXT) { DWORD i, j; if (bufstart[0]=='\n' && (!utf16 || bufstart[1]==0)) fdinfo->wxflag |= WX_READNL; else fdinfo->wxflag &= ~WX_READNL; for (i=0, j=0; iwxflag |= WX_ATEOF; TRACE(":^Z EOF %s\n",debugstr_an(buf,num_read)); break; } /* in text mode, strip \r if followed by \n */ if (bufstart[i]=='\r' && (!utf16 || bufstart[i+1]==0) && i+1+utf16==num_read) { char lookahead[2]; DWORD len; lookahead[1] = '\n'; if (ReadFile(hand, lookahead, 1+utf16, &len, NULL) && len) { if(lookahead[0]=='\n' && (!utf16 || lookahead[1]==0) && j==0) { bufstart[j++] = '\n'; if(utf16) bufstart[j++] = 0; } else { if(lookahead[0]!='\n' || (utf16 && lookahead[1]!=0)) { bufstart[j++] = '\r'; if(utf16) bufstart[j++] = 0; } if (fdinfo->wxflag & (WX_PIPE | WX_TTY)) { if (lookahead[0]=='\n' && (!utf16 || !lookahead[1])) { bufstart[j++] = '\n'; if (utf16) bufstart[j++] = 0; } else { fdinfo->lookahead[0] = lookahead[0]; fdinfo->lookahead[1] = lookahead[1]; } } else SetFilePointer(fdinfo->handle, -1-utf16, NULL, FILE_CURRENT); } } else { bufstart[j++] = '\r'; if(utf16) bufstart[j++] = 0; } } else if((bufstart[i]!='\r' || (utf16 && bufstart[i+1]!=0)) || (bufstart[i+1+utf16]!='\n' || (utf16 && bufstart[i+3]!=0))) { bufstart[j++] = bufstart[i]; if(utf16) bufstart[j++] = bufstart[i+1]; } } num_read = j; } } else { if (GetLastError() == ERROR_BROKEN_PIPE) { TRACE(":end-of-pipe\n"); fdinfo->wxflag |= WX_ATEOF; return 0; } else { TRACE(":failed-last error (%d)\n",GetLastError()); return -1; } } if (count > 4) TRACE("(%u), %s\n",num_read,debugstr_an(buf, num_read)); return num_read; } /********************************************************************* * _read (MSVCRT.@) */ int CDECL MSVCRT__read(int fd, void *buf, unsigned int count) { int num_read; num_read = read_i(fd, buf, count); return num_read; } /********************************************************************* * _setmode (MSVCRT.@) */ int CDECL MSVCRT__setmode(int fd,int mode) { int ret = msvcrt_get_ioinfo(fd)->wxflag & WX_TEXT ? MSVCRT__O_TEXT : MSVCRT__O_BINARY; if(ret==MSVCRT__O_TEXT && (msvcrt_get_ioinfo(fd)->exflag & (EF_UTF8|EF_UTF16))) ret = MSVCRT__O_WTEXT; if(mode!=MSVCRT__O_TEXT && mode!=MSVCRT__O_BINARY && mode!=MSVCRT__O_WTEXT && mode!=MSVCRT__O_U16TEXT && mode!=MSVCRT__O_U8TEXT) { *MSVCRT__errno() = MSVCRT_EINVAL; return -1; } if(mode == MSVCRT__O_BINARY) { msvcrt_get_ioinfo(fd)->wxflag &= ~WX_TEXT; msvcrt_get_ioinfo(fd)->exflag &= ~(EF_UTF8|EF_UTF16); return ret; } msvcrt_get_ioinfo(fd)->wxflag |= WX_TEXT; if(mode == MSVCRT__O_TEXT) msvcrt_get_ioinfo(fd)->exflag &= ~(EF_UTF8|EF_UTF16); else if(mode == MSVCRT__O_U8TEXT) msvcrt_get_ioinfo(fd)->exflag = (msvcrt_get_ioinfo(fd)->exflag & ~EF_UTF16) | EF_UTF8; else msvcrt_get_ioinfo(fd)->exflag = (msvcrt_get_ioinfo(fd)->exflag & ~EF_UTF8) | EF_UTF16; return ret; } /********************************************************************* * _stat64 (MSVCRT.@) */ int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf) { DWORD dw; WIN32_FILE_ATTRIBUTE_DATA hfi; unsigned short mode = ALL_S_IREAD; int plen; TRACE(":file (%s) buf(%p)\n",path,buf); plen = strlen(path); while (plen && path[plen-1]==' ') plen--; if (plen && (plen<2 || path[plen-2]!=':') && (path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/')) { *MSVCRT__errno() = MSVCRT_ENOENT; return -1; } if (!GetFileAttributesExA(path, GetFileExInfoStandard, &hfi)) { TRACE("failed (%d)\n",GetLastError()); *MSVCRT__errno() = MSVCRT_ENOENT; return -1; } memset(buf,0,sizeof(struct MSVCRT__stat64)); /* FIXME: rdev isn't drive num, despite what the docs say-what is it? Bon 011120: This FIXME seems incorrect Also a letter as first char isn't enough to be classified as a drive letter */ if (isalpha(*path)&& (*(path+1)==':')) buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */ else buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1; /* Dir, or regular file? */ if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC); else { mode |= MSVCRT__S_IFREG; /* executable? */ if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */ { unsigned int ext = tolower(path[plen-1]) | (tolower(path[plen-2]) << 8) | (tolower(path[plen-3]) << 16); if (ext == EXE || ext == BAT || ext == CMD || ext == COM) mode |= ALL_S_IEXEC; } } if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) mode |= ALL_S_IWRITE; buf->st_mode = mode; buf->st_nlink = 1; buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow; RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw); buf->st_atime = dw; RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw); buf->st_mtime = buf->st_ctime = dw; TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink, (int)(buf->st_size >> 32),(int)buf->st_size, (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime); return 0; } /********************************************************************* * _stati64 (MSVCRT.@) */ int CDECL MSVCRT_stati64(const char* path, struct MSVCRT__stati64 * buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT_stat64(path, &buf64); if (!ret) msvcrt_stat64_to_stati64(&buf64, buf); return ret; } /********************************************************************* * _stat (MSVCRT.@) */ int CDECL MSVCRT_stat(const char* path, struct MSVCRT__stat * buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT_stat64( path, &buf64); if (!ret) msvcrt_stat64_to_stat(&buf64, buf); return ret; } /********************************************************************* * _stat32 (MSVCR100.@) */ int CDECL MSVCRT__stat32(const char *path, struct MSVCRT__stat32 *buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT_stat64(path, &buf64); if (!ret) msvcrt_stat64_to_stat32(&buf64, buf); return ret; } /********************************************************************* * _stat32i64 (MSVCR100.@) */ int CDECL MSVCRT__stat32i64(const char *path, struct MSVCRT__stat32i64 *buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT_stat64(path, &buf64); if (!ret) msvcrt_stat64_to_stat32i64(&buf64, buf); return ret; } /********************************************************************* * _stat64i32 (MSVCR100.@) */ int CDECL MSVCRT__stat64i32(const char* path, struct MSVCRT__stat64i32 *buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT_stat64(path, &buf64); if (!ret) msvcrt_stat64_to_stat64i32(&buf64, buf); return ret; } /********************************************************************* * _wstat64 (MSVCRT.@) */ int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * buf) { DWORD dw; WIN32_FILE_ATTRIBUTE_DATA hfi; unsigned short mode = ALL_S_IREAD; int plen; TRACE(":file (%s) buf(%p)\n",debugstr_w(path),buf); plen = strlenW(path); while (plen && path[plen-1]==' ') plen--; if(plen && (plen<2 || path[plen-2]!=':') && (path[plen-1]==':' || path[plen-1]=='\\' || path[plen-1]=='/')) { *MSVCRT__errno() = MSVCRT_ENOENT; return -1; } if (!GetFileAttributesExW(path, GetFileExInfoStandard, &hfi)) { TRACE("failed (%d)\n",GetLastError()); *MSVCRT__errno() = MSVCRT_ENOENT; return -1; } memset(buf,0,sizeof(struct MSVCRT__stat64)); /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */ if (MSVCRT_iswalpha(*path)) buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */ else buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1; /* Dir, or regular file? */ if (hfi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) mode |= (MSVCRT__S_IFDIR | ALL_S_IEXEC); else { mode |= MSVCRT__S_IFREG; /* executable? */ if (plen > 6 && path[plen-4] == '.') /* shortest exe: "\x.exe" */ { ULONGLONG ext = tolowerW(path[plen-1]) | (tolowerW(path[plen-2]) << 16) | ((ULONGLONG)tolowerW(path[plen-3]) << 32); if (ext == WCEXE || ext == WCBAT || ext == WCCMD || ext == WCCOM) mode |= ALL_S_IEXEC; } } if (!(hfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) mode |= ALL_S_IWRITE; buf->st_mode = mode; buf->st_nlink = 1; buf->st_size = ((__int64)hfi.nFileSizeHigh << 32) + hfi.nFileSizeLow; RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastAccessTime, &dw); buf->st_atime = dw; RtlTimeToSecondsSince1970((LARGE_INTEGER *)&hfi.ftLastWriteTime, &dw); buf->st_mtime = buf->st_ctime = dw; TRACE("%d %d 0x%08x%08x %d %d %d\n", buf->st_mode,buf->st_nlink, (int)(buf->st_size >> 32),(int)buf->st_size, (int)buf->st_atime,(int)buf->st_mtime,(int)buf->st_ctime); return 0; } /********************************************************************* * _wstati64 (MSVCRT.@) */ int CDECL MSVCRT__wstati64(const MSVCRT_wchar_t* path, struct MSVCRT__stati64 * buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT__wstat64(path, &buf64); if (!ret) msvcrt_stat64_to_stati64(&buf64, buf); return ret; } /********************************************************************* * _wstat (MSVCRT.@) */ int CDECL MSVCRT__wstat(const MSVCRT_wchar_t* path, struct MSVCRT__stat * buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT__wstat64( path, &buf64 ); if (!ret) msvcrt_stat64_to_stat(&buf64, buf); return ret; } /********************************************************************* * _wstat32 (MSVCR100.@) */ int CDECL MSVCRT__wstat32(const MSVCRT_wchar_t *path, struct MSVCRT__stat32 *buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT__wstat64(path, &buf64); if (!ret) msvcrt_stat64_to_stat32(&buf64, buf); return ret; } /********************************************************************* * _wstat32i64 (MSVCR100.@) */ int CDECL MSVCRT__wstat32i64(const MSVCRT_wchar_t *path, struct MSVCRT__stat32i64 *buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT__wstat64(path, &buf64); if (!ret) msvcrt_stat64_to_stat32i64(&buf64, buf); return ret; } /********************************************************************* * _wstat64i32 (MSVCR100.@) */ int CDECL MSVCRT__wstat64i32(const MSVCRT_wchar_t *path, struct MSVCRT__stat64i32 *buf) { int ret; struct MSVCRT__stat64 buf64; ret = MSVCRT__wstat64(path, &buf64); if (!ret) msvcrt_stat64_to_stat64i32(&buf64, buf); return ret; } /********************************************************************* * _tell (MSVCRT.@) */ MSVCRT_long CDECL MSVCRT__tell(int fd) { return MSVCRT__lseek(fd, 0, SEEK_CUR); } /********************************************************************* * _telli64 (MSVCRT.@) */ __int64 CDECL _telli64(int fd) { return MSVCRT__lseeki64(fd, 0, SEEK_CUR); } /********************************************************************* * _tempnam (MSVCRT.@) */ char * CDECL MSVCRT__tempnam(const char *dir, const char *prefix) { char tmpbuf[MAX_PATH]; const char *tmp_dir = MSVCRT_getenv("TMP"); if (tmp_dir) dir = tmp_dir; TRACE("dir (%s) prefix (%s)\n",dir,prefix); if (GetTempFileNameA(dir,prefix,0,tmpbuf)) { TRACE("got name (%s)\n",tmpbuf); DeleteFileA(tmpbuf); return MSVCRT__strdup(tmpbuf); } TRACE("failed (%d)\n",GetLastError()); return NULL; } /********************************************************************* * _wtempnam (MSVCRT.@) */ MSVCRT_wchar_t * CDECL MSVCRT__wtempnam(const MSVCRT_wchar_t *dir, const MSVCRT_wchar_t *prefix) { static const MSVCRT_wchar_t tmpW[] = {'T','M','P',0}; MSVCRT_wchar_t tmpbuf[MAX_PATH]; const MSVCRT_wchar_t *tmp_dir = MSVCRT__wgetenv(tmpW); if (tmp_dir) dir = tmp_dir; TRACE("dir (%s) prefix (%s)\n",debugstr_w(dir),debugstr_w(prefix)); if (GetTempFileNameW(dir,prefix,0,tmpbuf)) { TRACE("got name (%s)\n",debugstr_w(tmpbuf)); DeleteFileW(tmpbuf); return MSVCRT__wcsdup(tmpbuf); } TRACE("failed (%d)\n",GetLastError()); return NULL; } /********************************************************************* * _umask (MSVCRT.@) */ int CDECL MSVCRT__umask(int umask) { int old_umask = MSVCRT_umask; TRACE("(%d)\n",umask); MSVCRT_umask = umask; return old_umask; } /********************************************************************* * _utime64 (MSVCRT.@) */ int CDECL _utime64(const char* path, struct MSVCRT___utimbuf64 *t) { int fd = MSVCRT__open(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY); if (fd > 0) { int retVal = _futime64(fd, t); MSVCRT__close(fd); return retVal; } return -1; } /********************************************************************* * _utime32 (MSVCRT.@) */ int CDECL _utime32(const char* path, struct MSVCRT___utimbuf32 *t) { if (t) { struct MSVCRT___utimbuf64 t64; t64.actime = t->actime; t64.modtime = t->modtime; return _utime64( path, &t64 ); } else return _utime64( path, NULL ); } /********************************************************************* * _utime (MSVCRT.@) */ #ifdef _WIN64 int CDECL _utime(const char* path, struct MSVCRT___utimbuf64 *t) { return _utime64( path, t ); } #else int CDECL _utime(const char* path, struct MSVCRT___utimbuf32 *t) { return _utime32( path, t ); } #endif /********************************************************************* * _wutime64 (MSVCRT.@) */ int CDECL _wutime64(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t) { int fd = MSVCRT__wopen(path, MSVCRT__O_WRONLY | MSVCRT__O_BINARY); if (fd > 0) { int retVal = _futime64(fd, t); MSVCRT__close(fd); return retVal; } return -1; } /********************************************************************* * _wutime32 (MSVCRT.@) */ int CDECL _wutime32(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t) { if (t) { struct MSVCRT___utimbuf64 t64; t64.actime = t->actime; t64.modtime = t->modtime; return _wutime64( path, &t64 ); } else return _wutime64( path, NULL ); } /********************************************************************* * _wutime (MSVCRT.@) */ #ifdef _WIN64 int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf64 *t) { return _wutime64( path, t ); } #else int CDECL _wutime(const MSVCRT_wchar_t* path, struct MSVCRT___utimbuf32 *t) { return _wutime32( path, t ); } #endif /********************************************************************* * _write (MSVCRT.@) */ int CDECL MSVCRT__write(int fd, const void* buf, unsigned int count) { DWORD num_written; ioinfo *info = msvcrt_get_ioinfo(fd); HANDLE hand = info->handle; /* Don't trace small writes, it gets *very* annoying */ #if 0 if (count > 32) TRACE(":fd (%d) handle (%d) buf (%p) len (%d)\n",fd,hand,buf,count); #endif if (hand == INVALID_HANDLE_VALUE) { *MSVCRT__errno() = MSVCRT_EBADF; return -1; } if (((info->exflag&EF_UTF8) || (info->exflag&EF_UTF16)) && count&1) { *MSVCRT__errno() = MSVCRT_EINVAL; return -1; } /* If appending, go to EOF */ if (info->wxflag & WX_APPEND) MSVCRT__lseek(fd, 0, FILE_END); if (!(info->wxflag & WX_TEXT)) { if (WriteFile(hand, buf, count, &num_written, NULL) && (num_written == count)) return num_written; TRACE("WriteFile (fd %d, hand %p) failed-last error (%d)\n", fd, hand, GetLastError()); *MSVCRT__errno() = MSVCRT_ENOSPC; } else { unsigned int i, j, nr_lf, size; char *p = NULL; const char *q; const char *s = buf, *buf_start = buf; if (!(info->exflag & (EF_UTF8|EF_UTF16))) { /* find number of \n */ for (nr_lf=0, i=0; iexflag & EF_UTF16) { for (nr_lf=0, i=0; i_file, &val, sizeof(val)); if (len == sizeof(val)) { MSVCRT__unlock_file(file); return val; } file->_flag |= MSVCRT__IOERR; MSVCRT__unlock_file(file); return MSVCRT_EOF; } /********************************************************************* * fclose (MSVCRT.@) */ int CDECL MSVCRT_fclose(MSVCRT_FILE* file) { int ret; MSVCRT__lock_file(file); ret = MSVCRT__fclose_nolock(file); MSVCRT__unlock_file(file); return ret; } /********************************************************************* * _fclose_nolock (MSVCRT.@) */ int CDECL MSVCRT__fclose_nolock(MSVCRT_FILE* file) { int r, flag; flag = file->_flag; MSVCRT_free(file->_tmpfname); file->_tmpfname = NULL; /* flush stdio buffers */ if(file->_flag & MSVCRT__IOWRT) MSVCRT__fflush_nolock(file); if(file->_flag & MSVCRT__IOMYBUF) MSVCRT_free(file->_base); r=MSVCRT__close(file->_file); file->_flag = 0; return ((r == -1) || (flag & MSVCRT__IOERR) ? MSVCRT_EOF : 0); } /********************************************************************* * feof (MSVCRT.@) */ int CDECL MSVCRT_feof(MSVCRT_FILE* file) { return file->_flag & MSVCRT__IOEOF; } /********************************************************************* * ferror (MSVCRT.@) */ int CDECL MSVCRT_ferror(MSVCRT_FILE* file) { return file->_flag & MSVCRT__IOERR; } /********************************************************************* * _filbuf (MSVCRT.@) */ int CDECL MSVCRT__filbuf(MSVCRT_FILE* file) { unsigned char c; if(file->_flag & MSVCRT__IOSTRG) return MSVCRT_EOF; /* Allocate buffer if needed */ if(!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))) msvcrt_alloc_buffer(file); if(!(file->_flag & MSVCRT__IOREAD)) { if(file->_flag & MSVCRT__IORW) file->_flag |= MSVCRT__IOREAD; else return MSVCRT_EOF; } if(!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF))) { int r; if ((r = read_i(file->_file,&c,1)) != 1) { file->_flag |= (r == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR; return MSVCRT_EOF; } return c; } else { file->_cnt = read_i(file->_file, file->_base, file->_bufsiz); if(file->_cnt<=0) { file->_flag |= (file->_cnt == 0) ? MSVCRT__IOEOF : MSVCRT__IOERR; file->_cnt = 0; return MSVCRT_EOF; } file->_cnt--; file->_ptr = file->_base+1; c = *(unsigned char *)file->_base; return c; } } /********************************************************************* * fgetc (MSVCRT.@) */ int CDECL MSVCRT_fgetc(MSVCRT_FILE* file) { int ret; MSVCRT__lock_file(file); ret = MSVCRT__fgetc_nolock(file); MSVCRT__unlock_file(file); return ret; } /********************************************************************* * _fgetc_nolock (MSVCRT.@) */ int CDECL MSVCRT__fgetc_nolock(MSVCRT_FILE* file) { unsigned char *i; unsigned int j; if (file->_cnt>0) { file->_cnt--; i = (unsigned char *)file->_ptr++; j = *i; } else j = MSVCRT__filbuf(file); return j; } /********************************************************************* * _fgetchar (MSVCRT.@) */ int CDECL MSVCRT__fgetchar(void) { return MSVCRT_fgetc(MSVCRT_stdin); } /********************************************************************* * fgets (MSVCRT.@) */ char * CDECL MSVCRT_fgets(char *s, int size, MSVCRT_FILE* file) { int cc = MSVCRT_EOF; char * buf_start = s; TRACE(":file(%p) fd (%d) str (%p) len (%d)\n", file,file->_file,s,size); MSVCRT__lock_file(file); while ((size >1) && (cc = MSVCRT_fgetc(file)) != MSVCRT_EOF && cc != '\n') { *s++ = (char)cc; size --; } if ((cc == MSVCRT_EOF) && (s == buf_start)) /* If nothing read, return 0*/ { TRACE(":nothing read\n"); MSVCRT__unlock_file(file); return NULL; } if ((cc != MSVCRT_EOF) && (size > 1)) *s++ = cc; *s = '\0'; TRACE(":got %s\n", debugstr_a(buf_start)); MSVCRT__unlock_file(file); return buf_start; } /********************************************************************* * fgetwc (MSVCRT.@) */ MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file) { MSVCRT_wint_t ret; MSVCRT__lock_file(file); ret = MSVCRT__fgetwc_nolock(file); MSVCRT__unlock_file(file); return ret; } /********************************************************************* * _fgetwc_nolock (MSVCRT.@) */ MSVCRT_wint_t CDECL MSVCRT__fgetwc_nolock(MSVCRT_FILE* file) { MSVCRT_wint_t ret; int ch; if((msvcrt_get_ioinfo(file->_file)->exflag & (EF_UTF8 | EF_UTF16)) || !(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) { char *p; for(p=(char*)&ret; (MSVCRT_wint_t*)p<&ret+1; p++) { ch = MSVCRT__fgetc_nolock(file); if(ch == MSVCRT_EOF) { ret = MSVCRT_WEOF; break; } *p = (char)ch; } }else { char mbs[MSVCRT_MB_LEN_MAX]; int len = 0; ch = MSVCRT__fgetc_nolock(file); if(ch != MSVCRT_EOF) { mbs[0] = (char)ch; if(MSVCRT_isleadbyte((unsigned char)mbs[0])) { ch = MSVCRT__fgetc_nolock(file); if(ch != MSVCRT_EOF) { mbs[1] = (char)ch; len = 2; } }else { len = 1; } } if(!len || MSVCRT_mbtowc(&ret, mbs, len)==-1) ret = MSVCRT_WEOF; } return ret; } /********************************************************************* * _getw (MSVCRT.@) */ int CDECL MSVCRT__getw(MSVCRT_FILE* file) { char *ch; int i, k; unsigned int j; ch = (char *)&i; MSVCRT__lock_file(file); for (j=0; j_flag |= MSVCRT__IOEOF; MSVCRT__unlock_file(file); return EOF; } ch[j] = k; } MSVCRT__unlock_file(file); return i; } /********************************************************************* * getwc (MSVCRT.@) */ MSVCRT_wint_t CDECL MSVCRT_getwc(MSVCRT_FILE* file) { return MSVCRT_fgetwc(file); } /********************************************************************* * _fgetwchar (MSVCRT.@) */ MSVCRT_wint_t CDECL MSVCRT__fgetwchar(void) { return MSVCRT_fgetwc(MSVCRT_stdin); } /********************************************************************* * getwchar (MSVCRT.@) */ MSVCRT_wint_t CDECL MSVCRT_getwchar(void) { return MSVCRT__fgetwchar(); } /********************************************************************* * fgetws (MSVCRT.@) */ MSVCRT_wchar_t * CDECL MSVCRT_fgetws(MSVCRT_wchar_t *s, int size, MSVCRT_FILE* file) { MSVCRT_wint_t cc = MSVCRT_WEOF; MSVCRT_wchar_t * buf_start = s; TRACE(":file(%p) fd (%d) str (%p) len (%d)\n", file,file->_file,s,size); MSVCRT__lock_file(file); while ((size >1) && (cc = MSVCRT_fgetwc(file)) != MSVCRT_WEOF && cc != '\n') { *s++ = cc; size --; } if ((cc == MSVCRT_WEOF) && (s == buf_start)) /* If nothing read, return 0*/ { TRACE(":nothing read\n"); MSVCRT__unlock_file(file); return NULL; } if ((cc != MSVCRT_WEOF) && (size > 1)) *s++ = cc; *s = 0; TRACE(":got %s\n", debugstr_w(buf_start)); MSVCRT__unlock_file(file); return buf_start; } /********************************************************************* * _flsbuf (MSVCRT.@) */ int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file) { /* Flush output buffer */ if(!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))) { msvcrt_alloc_buffer(file); } if(!(file->_flag & MSVCRT__IOWRT)) { if(file->_flag & MSVCRT__IORW) file->_flag |= MSVCRT__IOWRT; else return MSVCRT_EOF; } if(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) { int res = 0; if(file->_cnt <= 0) { res = msvcrt_flush_buffer(file); if(res) return res; file->_cnt=file->_bufsiz; } *file->_ptr++ = c; file->_cnt--; return c&0xff; } else { unsigned char cc=c; int len; /* set _cnt to 0 for unbuffered FILEs */ file->_cnt = 0; len = MSVCRT__write(file->_file, &cc, 1); if (len == 1) return c & 0xff; file->_flag |= MSVCRT__IOERR; return MSVCRT_EOF; } } /********************************************************************* * fwrite (MSVCRT.@) */ MSVCRT_size_t CDECL MSVCRT_fwrite(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file) { MSVCRT_size_t ret; MSVCRT__lock_file(file); ret = MSVCRT__fwrite_nolock(ptr, size, nmemb, file); MSVCRT__unlock_file(file); return ret; } /********************************************************************* * _fwrite_nolock (MSVCRT.@) */ MSVCRT_size_t CDECL MSVCRT__fwrite_nolock(const void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file) { MSVCRT_size_t wrcnt=size * nmemb; int written = 0; if (size == 0) return 0; while(wrcnt) { if(file->_cnt < 0) { WARN("negative file->_cnt value in %p\n", file); file->_flag |= MSVCRT__IOERR; break; } else if(file->_cnt) { int pcnt=(file->_cnt>wrcnt)? wrcnt: file->_cnt; memcpy(file->_ptr, ptr, pcnt); file->_cnt -= pcnt; file->_ptr += pcnt; written += pcnt; wrcnt -= pcnt; ptr = (const char*)ptr + pcnt; } else if((file->_flag & MSVCRT__IONBF) || ((file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) && wrcnt >= file->_bufsiz) || (!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) && wrcnt >= MSVCRT_INTERNAL_BUFSIZ)) { MSVCRT_size_t pcnt; int bufsiz; if(file->_flag & MSVCRT__IONBF) bufsiz = 1; else if(!(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF))) bufsiz = MSVCRT_INTERNAL_BUFSIZ; else bufsiz = file->_bufsiz; pcnt = (wrcnt / bufsiz) * bufsiz; if(msvcrt_flush_buffer(file) == MSVCRT_EOF) break; if(MSVCRT__write(file->_file, ptr, pcnt) <= 0) { file->_flag |= MSVCRT__IOERR; break; } written += pcnt; wrcnt -= pcnt; ptr = (const char*)ptr + pcnt; } else { if(MSVCRT__flsbuf(*(const char*)ptr, file) == MSVCRT_EOF) break; written++; wrcnt--; ptr = (const char*)ptr + 1; } } return written / size; } /********************************************************************* * fputwc (MSVCRT.@) */ MSVCRT_wint_t CDECL MSVCRT_fputwc(MSVCRT_wint_t wc, MSVCRT_FILE* file) { MSVCRT_wchar_t mwc=wc; ioinfo *fdinfo; MSVCRT_wint_t ret; MSVCRT__lock_file(file); fdinfo = msvcrt_get_ioinfo(file->_file); if((fdinfo->wxflag&WX_TEXT) && !(fdinfo->exflag&(EF_UTF8|EF_UTF16))) { char buf[MSVCRT_MB_LEN_MAX]; int char_len; char_len = MSVCRT_wctomb(buf, mwc); if(char_len!=-1 && MSVCRT_fwrite(buf, char_len, 1, file)==1) ret = wc; else ret = MSVCRT_WEOF; }else if(MSVCRT_fwrite(&mwc, sizeof(mwc), 1, file) == 1) { ret = wc; }else { ret = MSVCRT_WEOF; } MSVCRT__unlock_file(file); return ret; } /********************************************************************* * _fputwchar (MSVCRT.@) */ MSVCRT_wint_t CDECL MSVCRT__fputwchar(MSVCRT_wint_t wc) { return MSVCRT_fputwc(wc, MSVCRT_stdout); } /********************************************************************* * _wfsopen (MSVCRT.@) */ MSVCRT_FILE * CDECL MSVCRT__wfsopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, int share) { MSVCRT_FILE* file; int open_flags, stream_flags, fd; TRACE("(%s,%s)\n", debugstr_w(path), debugstr_w(mode)); /* map mode string to open() flags. "man fopen" for possibilities. */ if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) return NULL; LOCK_FILES(); fd = MSVCRT__wsopen(path, open_flags, share, MSVCRT__S_IREAD | MSVCRT__S_IWRITE); if (fd < 0) file = NULL; else if ((file = msvcrt_alloc_fp()) && msvcrt_init_fp(file, fd, stream_flags) != -1) TRACE(":fd (%d) mode (%s) FILE* (%p)\n", fd, debugstr_w(mode), file); else if (file) { file->_flag = 0; file = NULL; } TRACE(":got (%p)\n",file); if (fd >= 0 && !file) MSVCRT__close(fd); UNLOCK_FILES(); return file; } /********************************************************************* * _fsopen (MSVCRT.@) */ MSVCRT_FILE * CDECL MSVCRT__fsopen(const char *path, const char *mode, int share) { MSVCRT_FILE *ret; MSVCRT_wchar_t *pathW = NULL, *modeW = NULL; if (path && !(pathW = msvcrt_wstrdupa(path))) { MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0); *MSVCRT__errno() = MSVCRT_EINVAL; return NULL; } if (mode && !(modeW = msvcrt_wstrdupa(mode))) { MSVCRT_free(pathW); MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0); *MSVCRT__errno() = MSVCRT_EINVAL; return NULL; } ret = MSVCRT__wfsopen(pathW, modeW, share); MSVCRT_free(pathW); MSVCRT_free(modeW); return ret; } /********************************************************************* * fopen (MSVCRT.@) */ MSVCRT_FILE * CDECL MSVCRT_fopen(const char *path, const char *mode) { return MSVCRT__fsopen( path, mode, MSVCRT__SH_DENYNO ); } /********************************************************************* * fopen_s (MSVCRT.@) */ int CDECL MSVCRT_fopen_s(MSVCRT_FILE** pFile, const char *filename, const char *mode) { if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL; if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL; if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL; *pFile = MSVCRT_fopen(filename, mode); if(!*pFile) return *MSVCRT__errno(); return 0; } /********************************************************************* * _wfopen (MSVCRT.@) */ MSVCRT_FILE * CDECL MSVCRT__wfopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode) { return MSVCRT__wfsopen( path, mode, MSVCRT__SH_DENYNO ); } /********************************************************************* * _wfopen_s (MSVCRT.@) */ int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename, const MSVCRT_wchar_t *mode) { if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL; if (!MSVCRT_CHECK_PMT(filename != NULL)) return MSVCRT_EINVAL; if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL; *pFile = MSVCRT__wfopen(filename, mode); if(!*pFile) return *MSVCRT__errno(); return 0; } /********************************************************************* * fputc (MSVCRT.@) */ int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file) { int res; MSVCRT__lock_file(file); if(file->_cnt>0) { *file->_ptr++=c; file->_cnt--; if (c == '\n') { res = msvcrt_flush_buffer(file); MSVCRT__unlock_file(file); return res ? res : c; } else { MSVCRT__unlock_file(file); return c & 0xff; } } else { res = MSVCRT__flsbuf(c, file); MSVCRT__unlock_file(file); return res; } } /********************************************************************* * _fputchar (MSVCRT.@) */ int CDECL MSVCRT__fputchar(int c) { return MSVCRT_fputc(c, MSVCRT_stdout); } /********************************************************************* * fread (MSVCRT.@) */ MSVCRT_size_t CDECL MSVCRT_fread(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file) { MSVCRT_size_t ret; MSVCRT__lock_file(file); ret = MSVCRT__fread_nolock(ptr, size, nmemb, file); MSVCRT__unlock_file(file); return ret; } /********************************************************************* * _fread_nolock (MSVCRT.@) */ MSVCRT_size_t CDECL MSVCRT__fread_nolock(void *ptr, MSVCRT_size_t size, MSVCRT_size_t nmemb, MSVCRT_FILE* file) { MSVCRT_size_t rcnt=size * nmemb; MSVCRT_size_t read=0; MSVCRT_size_t pread=0; if(!rcnt) return 0; /* first buffered data */ if(file->_cnt>0) { int pcnt= (rcnt>file->_cnt)? file->_cnt:rcnt; memcpy(ptr, file->_ptr, pcnt); file->_cnt -= pcnt; file->_ptr += pcnt; read += pcnt ; rcnt -= pcnt ; ptr = (char*)ptr + pcnt; } else if(!(file->_flag & MSVCRT__IOREAD )) { if(file->_flag & MSVCRT__IORW) { file->_flag |= MSVCRT__IOREAD; } else { return 0; } } if(rcnt>0 && !(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF))) msvcrt_alloc_buffer(file); while(rcnt>0) { int i; if (!file->_cnt && rcnt_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF))) { file->_cnt = MSVCRT__read(file->_file, file->_base, file->_bufsiz); file->_ptr = file->_base; i = (file->_cnt_cnt : rcnt; /* If the buffer fill reaches eof but fread wouldn't, clear eof. */ if (i > 0 && i < file->_cnt) { msvcrt_get_ioinfo(file->_file)->wxflag &= ~WX_ATEOF; file->_flag &= ~MSVCRT__IOEOF; } if (i > 0) { memcpy(ptr, file->_ptr, i); file->_cnt -= i; file->_ptr += i; } } else if (rcnt > INT_MAX) { i = MSVCRT__read(file->_file, ptr, INT_MAX); } else if (rcnt < MSVCRT_BUFSIZ) { i = MSVCRT__read(file->_file, ptr, rcnt); } else { i = MSVCRT__read(file->_file, ptr, rcnt - MSVCRT_BUFSIZ/2); } pread += i; rcnt -= i; ptr = (char *)ptr+i; /* expose feof condition in the flags * MFC tests file->_flag for feof, and doesn't call feof()) */ if (msvcrt_get_ioinfo(file->_file)->wxflag & WX_ATEOF) file->_flag |= MSVCRT__IOEOF; else if (i == -1) { file->_flag |= MSVCRT__IOERR; pread = 0; rcnt = 0; } if (i < 1) break; } read+=pread; return read / size; } /********************************************************************* * fread_s (MSVCR80.@) */ MSVCRT_size_t CDECL MSVCRT_fread_s(void *buf, MSVCRT_size_t buf_size, MSVCRT_size_t elem_size, MSVCRT_size_t count, MSVCRT_FILE *stream) { size_t bytes_left, buf_pos; TRACE("(%p %lu %lu %lu %p\n", buf, buf_size, elem_size, count, stream); if(!MSVCRT_CHECK_PMT(stream != NULL)) { if(buf && buf_size) memset(buf, 0, buf_size); return 0; } if(!elem_size || !count) return 0; if(!MSVCRT_CHECK_PMT(buf != NULL)) return 0; if(!MSVCRT_CHECK_PMT(MSVCRT_SIZE_MAX/count >= elem_size)) return 0; bytes_left = elem_size*count; buf_pos = 0; while(bytes_left) { if(stream->_cnt > 0) { size_t size = bytes_left_cnt ? bytes_left : stream->_cnt; if(!MSVCRT_CHECK_PMT_ERR(size <= buf_size-buf_pos, MSVCRT_ERANGE)) { memset(buf, 0, buf_size); return 0; } MSVCRT_fread((char*)buf+buf_pos, 1, size, stream); buf_pos += size; bytes_left -= size; }else { int c = MSVCRT__filbuf(stream); if(c == EOF) break; if(!MSVCRT_CHECK_PMT_ERR(buf_size-buf_pos > 0, MSVCRT_ERANGE)) { memset(buf, 0, buf_size); return 0; } ((char*)buf)[buf_pos++] = c; bytes_left--; } } return buf_pos/elem_size; } /********************************************************************* * _wfreopen (MSVCRT.@) * */ MSVCRT_FILE* CDECL MSVCRT__wfreopen(const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file) { int open_flags, stream_flags, fd; TRACE(":path (%s) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file ? file->_file : -1); LOCK_FILES(); if (!file || ((fd = file->_file) < 0) || fd > MSVCRT_fdend) file = NULL; else { MSVCRT_fclose(file); if (msvcrt_get_flags(mode, &open_flags, &stream_flags) == -1) file = NULL; else if((fd = MSVCRT__wopen(path, open_flags, MSVCRT__S_IREAD | MSVCRT__S_IWRITE)) < 0) file = NULL; else if(msvcrt_init_fp(file, fd, stream_flags) == -1) { file->_flag = 0; file = NULL; } } UNLOCK_FILES(); return file; } /********************************************************************* * _wfreopen_s (MSVCRT.@) */ int CDECL MSVCRT__wfreopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *path, const MSVCRT_wchar_t *mode, MSVCRT_FILE* file) { if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL; if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL; if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL; if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL; *pFile = MSVCRT__wfreopen(path, mode, file); if(!*pFile) return *MSVCRT__errno(); return 0; } /********************************************************************* * freopen (MSVCRT.@) * */ MSVCRT_FILE* CDECL MSVCRT_freopen(const char *path, const char *mode, MSVCRT_FILE* file) { MSVCRT_FILE *ret; MSVCRT_wchar_t *pathW = NULL, *modeW = NULL; if (path && !(pathW = msvcrt_wstrdupa(path))) return NULL; if (mode && !(modeW = msvcrt_wstrdupa(mode))) { MSVCRT_free(pathW); return NULL; } ret = MSVCRT__wfreopen(pathW, modeW, file); MSVCRT_free(pathW); MSVCRT_free(modeW); return ret; } /********************************************************************* * freopen_s (MSVCRT.@) */ int CDECL MSVCRT_freopen_s(MSVCRT_FILE** pFile, const char *path, const char *mode, MSVCRT_FILE* file) { if (!MSVCRT_CHECK_PMT(pFile != NULL)) return MSVCRT_EINVAL; if (!MSVCRT_CHECK_PMT(path != NULL)) return MSVCRT_EINVAL; if (!MSVCRT_CHECK_PMT(mode != NULL)) return MSVCRT_EINVAL; if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL; *pFile = MSVCRT_freopen(path, mode, file); if(!*pFile) return *MSVCRT__errno(); return 0; } /********************************************************************* * fsetpos (MSVCRT.@) */ int CDECL MSVCRT_fsetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos) { int ret; MSVCRT__lock_file(file); /* Note that all this has been lifted 'as is' from fseek */ if(file->_flag & MSVCRT__IOWRT) msvcrt_flush_buffer(file); /* Discard buffered input */ file->_cnt = 0; file->_ptr = file->_base; /* Reset direction of i/o */ if(file->_flag & MSVCRT__IORW) { file->_flag &= ~(MSVCRT__IOREAD|MSVCRT__IOWRT); } ret = (MSVCRT__lseeki64(file->_file,*pos,SEEK_SET) == -1) ? -1 : 0; MSVCRT__unlock_file(file); return ret; } /********************************************************************* * _ftelli64 (MSVCRT.@) */ __int64 CDECL MSVCRT__ftelli64(MSVCRT_FILE* file) { __int64 ret; MSVCRT__lock_file(file); ret = MSVCRT__ftelli64_nolock(file); MSVCRT__unlock_file(file); return ret; } /********************************************************************* * _ftelli64_nolock (MSVCRT.@) */ __int64 CDECL MSVCRT__ftelli64_nolock(MSVCRT_FILE* file) { __int64 pos; pos = _telli64(file->_file); if(pos == -1) return -1; if(file->_flag & (MSVCRT__IOMYBUF | MSVCRT__USERBUF)) { if(file->_flag & MSVCRT__IOWRT) { pos += file->_ptr - file->_base; if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) { char *p; for(p=file->_base; p_ptr; p++) if(*p == '\n') pos++; } } else if(!file->_cnt) { /* nothing to do */ } else if(MSVCRT__lseeki64(file->_file, 0, SEEK_END)==pos) { int i; pos -= file->_cnt; if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) { for(i=0; i_cnt; i++) if(file->_ptr[i] == '\n') pos--; } } else { char *p; if(MSVCRT__lseeki64(file->_file, pos, SEEK_SET) != pos) return -1; pos -= file->_bufsiz; pos += file->_ptr - file->_base; if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT) { if(msvcrt_get_ioinfo(file->_file)->wxflag & WX_READNL) pos--; for(p=file->_base; p_ptr; p++) if(*p == '\n') pos++; } } } return pos; } /********************************************************************* * ftell (MSVCRT.@) */ LONG CDECL MSVCRT_ftell(MSVCRT_FILE* file) { return MSVCRT__ftelli64(file); } /********************************************************************* * _ftell_nolock (MSVCRT.@) */ LONG CDECL MSVCRT__ftell_nolock(MSVCRT_FILE* file) { return MSVCRT__ftelli64_nolock(file); } /********************************************************************* * fgetpos (MSVCRT.@) */ int CDECL MSVCRT_fgetpos(MSVCRT_FILE* file, MSVCRT_fpos_t *pos) { *pos = MSVCRT__ftelli64(file); if(*pos == -1) return -1; return 0; } /********************************************************************* * fputs (MSVCRT.@) */ int CDECL MSVCRT_fputs(const char *s, MSVCRT_FILE* file) { MSVCRT_size_t len = strlen(s); int ret; MSVCRT__lock_file(file); ret = MSVCRT_fwrite(s, sizeof(*s), len, file) == len ? 0 : MSVCRT_EOF; MSVCRT__unlock_file(file); return ret; } /********************************************************************* * fputws (MSVCRT.@) */ int CDECL MSVCRT_fputws(const MSVCRT_wchar_t *s, MSVCRT_FILE* file) { MSVCRT_size_t i, len = strlenW(s); BOOL tmp_buf; int ret; MSVCRT__lock_file(file); if (!(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) { ret = MSVCRT_fwrite(s,sizeof(*s),len,file) == len ? 0 : MSVCRT_EOF; MSVCRT__unlock_file(file); return ret; } tmp_buf = add_std_buffer(file); for (i=0; i=2 && size<=INT_MAX))) return -1; MSVCRT__lock_file(file); MSVCRT_fflush(file); if(file->_flag & MSVCRT__IOMYBUF) MSVCRT_free(file->_base); file->_flag &= ~(MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF); file->_cnt = 0; if(mode == MSVCRT__IONBF) { file->_flag |= MSVCRT__IONBF; file->_base = file->_ptr = (char*)&file->_charbuf; file->_bufsiz = 2; }else if(buf) { file->_base = file->_ptr = buf; file->_flag |= MSVCRT__USERBUF; file->_bufsiz = size; }else { file->_base = file->_ptr = MSVCRT_malloc(size); if(!file->_base) { file->_bufsiz = 0; MSVCRT__unlock_file(file); return -1; } file->_flag |= MSVCRT__IOMYBUF; file->_bufsiz = size; } MSVCRT__unlock_file(file); return 0; } /********************************************************************* * setbuf (MSVCRT.@) */ void CDECL MSVCRT_setbuf(MSVCRT_FILE* file, char *buf) { MSVCRT_setvbuf(file, buf, buf ? MSVCRT__IOFBF : MSVCRT__IONBF, MSVCRT_BUFSIZ); } /********************************************************************* * tmpnam (MSVCRT.@) */ char * CDECL MSVCRT_tmpnam(char *s) { char tmpstr[16]; char *p; int count, size; if (!s) { thread_data_t *data = msvcrt_get_thread_data(); if(!data->tmpnam_buffer) data->tmpnam_buffer = MSVCRT_malloc(MAX_PATH); s = data->tmpnam_buffer; } msvcrt_int_to_base32(GetCurrentProcessId(), tmpstr); p = s + sprintf(s, "\\s%s.", tmpstr); for (count = 0; count < MSVCRT_TMP_MAX; count++) { size = msvcrt_int_to_base32(tmpnam_unique++, tmpstr); memcpy(p, tmpstr, size); p[size] = '\0'; if (GetFileAttributesA(s) == INVALID_FILE_ATTRIBUTES && GetLastError() == ERROR_FILE_NOT_FOUND) break; } return s; } /********************************************************************* * _wtmpnam (MSVCRT.@) */ MSVCRT_wchar_t * CDECL MSVCRT_wtmpnam(MSVCRT_wchar_t *s) { static const MSVCRT_wchar_t format[] = {'\\','s','%','s','.',0}; MSVCRT_wchar_t tmpstr[16]; MSVCRT_wchar_t *p; int count, size; if (!s) { thread_data_t *data = msvcrt_get_thread_data(); if(!data->wtmpnam_buffer) data->wtmpnam_buffer = MSVCRT_malloc(sizeof(MSVCRT_wchar_t[MAX_PATH])); s = data->wtmpnam_buffer; } msvcrt_int_to_base32_w(GetCurrentProcessId(), tmpstr); p = s + MSVCRT__snwprintf(s, MAX_PATH, format, tmpstr); for (count = 0; count < MSVCRT_TMP_MAX; count++) { size = msvcrt_int_to_base32_w(tmpnam_unique++, tmpstr); memcpy(p, tmpstr, size*sizeof(MSVCRT_wchar_t)); p[size] = '\0'; if (GetFileAttributesW(s) == INVALID_FILE_ATTRIBUTES && GetLastError() == ERROR_FILE_NOT_FOUND) break; } return s; } /********************************************************************* * tmpfile (MSVCRT.@) */ MSVCRT_FILE* CDECL MSVCRT_tmpfile(void) { char *filename = MSVCRT_tmpnam(NULL); int fd; MSVCRT_FILE* file = NULL; LOCK_FILES(); fd = MSVCRT__open(filename, MSVCRT__O_CREAT | MSVCRT__O_BINARY | MSVCRT__O_RDWR | MSVCRT__O_TEMPORARY, MSVCRT__S_IREAD | MSVCRT__S_IWRITE); if (fd != -1 && (file = msvcrt_alloc_fp())) { if (msvcrt_init_fp(file, fd, MSVCRT__IORW) == -1) { file->_flag = 0; file = NULL; } else file->_tmpfname = MSVCRT__strdup(filename); } if(fd != -1 && !file) MSVCRT__close(fd); UNLOCK_FILES(); return file; } /********************************************************************* * tmpfile_s (MSVCRT.@) */ int CDECL MSVCRT_tmpfile_s(MSVCRT_FILE** file) { if (!MSVCRT_CHECK_PMT(file != NULL)) return MSVCRT_EINVAL; *file = MSVCRT_tmpfile(); return 0; } static int puts_clbk_file_a(void *file, int len, const char *str) { return MSVCRT_fwrite(str, sizeof(char), len, file); } static int puts_clbk_file_w(void *file, int len, const MSVCRT_wchar_t *str) { int i, ret; MSVCRT__lock_file(file); if(!(msvcrt_get_ioinfo(((MSVCRT_FILE*)file)->_file)->wxflag & WX_TEXT)) { ret = MSVCRT_fwrite(str, sizeof(MSVCRT_wchar_t), len, file); MSVCRT__unlock_file(file); return ret; } for(i=0; i_flag&MSVCRT__IOREAD || (file->_flag&MSVCRT__IORW && !(file->_flag&MSVCRT__IOWRT)))) return MSVCRT_EOF; MSVCRT__lock_file(file); if((!(file->_flag & (MSVCRT__IONBF | MSVCRT__IOMYBUF | MSVCRT__USERBUF)) && msvcrt_alloc_buffer(file)) || (!file->_cnt && file->_ptr==file->_base)) file->_ptr++; if(file->_ptr>file->_base) { file->_ptr--; if(file->_flag & MSVCRT__IOSTRG) { if(*file->_ptr != c) { file->_ptr++; MSVCRT__unlock_file(file); return MSVCRT_EOF; } }else { *file->_ptr = c; } file->_cnt++; MSVCRT_clearerr(file); file->_flag |= MSVCRT__IOREAD; MSVCRT__unlock_file(file); return c; } MSVCRT__unlock_file(file); return MSVCRT_EOF; } /********************************************************************* * ungetwc (MSVCRT.@) */ MSVCRT_wint_t CDECL MSVCRT_ungetwc(MSVCRT_wint_t wc, MSVCRT_FILE * file) { MSVCRT_wchar_t mwc = wc; if (wc == MSVCRT_WEOF) return MSVCRT_WEOF; MSVCRT__lock_file(file); if((msvcrt_get_ioinfo(file->_file)->exflag & (EF_UTF8 | EF_UTF16)) || !(msvcrt_get_ioinfo(file->_file)->wxflag & WX_TEXT)) { unsigned char * pp = (unsigned char *)&mwc; int i; for(i=sizeof(MSVCRT_wchar_t)-1;i>=0;i--) { if(pp[i] != MSVCRT_ungetc(pp[i],file)) { MSVCRT__unlock_file(file); return MSVCRT_WEOF; } } }else { char mbs[MSVCRT_MB_LEN_MAX]; int len; len = MSVCRT_wctomb(mbs, mwc); if(len == -1) { MSVCRT__unlock_file(file); return MSVCRT_WEOF; } for(len--; len>=0; len--) { if(mbs[len] != MSVCRT_ungetc(mbs[len], file)) { MSVCRT__unlock_file(file); return MSVCRT_WEOF; } } } MSVCRT__unlock_file(file); return mwc; } /********************************************************************* * wprintf (MSVCRT.@) */ int CDECL MSVCRT_wprintf(const MSVCRT_wchar_t *format, ...) { __ms_va_list valist; int res; __ms_va_start(valist, format); res = MSVCRT_vwprintf(format, valist); __ms_va_end(valist); return res; } /********************************************************************* * wprintf_s (MSVCRT.@) */ int CDECL MSVCRT_wprintf_s(const MSVCRT_wchar_t *format, ...) { __ms_va_list valist; int res; __ms_va_start(valist, format); res = MSVCRT_vwprintf_s(format, valist); __ms_va_end(valist); return res; } /********************************************************************* * _getmaxstdio (MSVCRT.@) */ int CDECL MSVCRT__getmaxstdio(void) { return MSVCRT_max_streams; } /********************************************************************* * _setmaxstdio (MSVCRT.@) */ int CDECL MSVCRT__setmaxstdio(int newmax) { TRACE("%d\n", newmax); if(newmax<_IOB_ENTRIES || newmax>MSVCRT_MAX_FILES || newmax