Sweden-Number/dlls/msvcrt/errno.c

167 lines
4.9 KiB
C

/*
* msvcrt.dll errno functions
*
* Copyright 2000 Jon Griffiths
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "msvcrt.h"
#include "msvcrt/errno.h"
#include <stdio.h>
#include <string.h>
#include "msvcrt/conio.h"
#include "msvcrt/stdlib.h"
#include "msvcrt/string.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
/* INTERNAL: Set the crt and dos errno's from the OS error given. */
void MSVCRT__set_errno(int err)
{
int *errno = MSVCRT__errno();
unsigned long *doserrno = __doserrno();
*doserrno = err;
switch(err)
{
#define ERR_CASE(oserr) case oserr:
#define ERR_MAPS(oserr,crterr) case oserr:*errno = crterr;break;
ERR_CASE(ERROR_ACCESS_DENIED)
ERR_CASE(ERROR_NETWORK_ACCESS_DENIED)
ERR_CASE(ERROR_CANNOT_MAKE)
ERR_CASE(ERROR_SEEK_ON_DEVICE)
ERR_CASE(ERROR_LOCK_FAILED)
ERR_CASE(ERROR_FAIL_I24)
ERR_CASE(ERROR_CURRENT_DIRECTORY)
ERR_CASE(ERROR_DRIVE_LOCKED)
ERR_CASE(ERROR_NOT_LOCKED)
ERR_CASE(ERROR_INVALID_ACCESS)
ERR_MAPS(ERROR_LOCK_VIOLATION, MSVCRT_EACCES);
ERR_CASE(ERROR_FILE_NOT_FOUND)
ERR_CASE(ERROR_NO_MORE_FILES)
ERR_CASE(ERROR_BAD_PATHNAME)
ERR_CASE(ERROR_BAD_NETPATH)
ERR_CASE(ERROR_INVALID_DRIVE)
ERR_CASE(ERROR_BAD_NET_NAME)
ERR_CASE(ERROR_FILENAME_EXCED_RANGE)
ERR_MAPS(ERROR_PATH_NOT_FOUND, MSVCRT_ENOENT);
ERR_MAPS(ERROR_IO_DEVICE, MSVCRT_EIO);
ERR_MAPS(ERROR_BAD_FORMAT, MSVCRT_ENOEXEC);
ERR_MAPS(ERROR_INVALID_HANDLE, MSVCRT_EBADF);
ERR_CASE(ERROR_OUTOFMEMORY)
ERR_CASE(ERROR_INVALID_BLOCK)
ERR_CASE(ERROR_NOT_ENOUGH_QUOTA);
ERR_MAPS(ERROR_ARENA_TRASHED, MSVCRT_ENOMEM);
ERR_MAPS(ERROR_BUSY, MSVCRT_EBUSY);
ERR_CASE(ERROR_ALREADY_EXISTS)
ERR_MAPS(ERROR_FILE_EXISTS, MSVCRT_EEXIST);
ERR_MAPS(ERROR_BAD_DEVICE, MSVCRT_ENODEV);
ERR_MAPS(ERROR_TOO_MANY_OPEN_FILES, MSVCRT_EMFILE);
ERR_MAPS(ERROR_DISK_FULL, MSVCRT_ENOSPC);
ERR_MAPS(ERROR_BROKEN_PIPE, MSVCRT_EPIPE);
ERR_MAPS(ERROR_POSSIBLE_DEADLOCK, MSVCRT_EDEADLK);
ERR_MAPS(ERROR_DIR_NOT_EMPTY, MSVCRT_ENOTEMPTY);
ERR_MAPS(ERROR_BAD_ENVIRONMENT, MSVCRT_E2BIG);
ERR_CASE(ERROR_WAIT_NO_CHILDREN)
ERR_MAPS(ERROR_CHILD_NOT_COMPLETE, MSVCRT_ECHILD);
ERR_CASE(ERROR_NO_PROC_SLOTS)
ERR_CASE(ERROR_MAX_THRDS_REACHED)
ERR_MAPS(ERROR_NESTING_NOT_ALLOWED, MSVCRT_EAGAIN);
default:
/* Remaining cases map to EINVAL */
/* FIXME: may be missing some errors above */
*errno = MSVCRT_EINVAL;
}
}
/*********************************************************************
* _errno (MSVCRT.@)
*/
int* MSVCRT__errno(void)
{
return &msvcrt_get_thread_data()->errno;
}
/*********************************************************************
* __doserrno (MSVCRT.@)
*/
unsigned long* __doserrno(void)
{
return &msvcrt_get_thread_data()->doserrno;
}
/*********************************************************************
* strerror (MSVCRT.@)
*/
char* MSVCRT_strerror(int err)
{
return strerror(err); /* FIXME */
}
/**********************************************************************
* _strerror (MSVCRT.@)
*/
char* _strerror(const char* err)
{
static char strerrbuff[256]; /* FIXME: Per thread, nprintf */
sprintf(strerrbuff,"%s: %s\n",err,MSVCRT_strerror(msvcrt_get_thread_data()->errno));
return strerrbuff;
}
/*********************************************************************
* perror (MSVCRT.@)
*/
void MSVCRT_perror(const char* str)
{
_cprintf("%s: %s\n",str,MSVCRT_strerror(msvcrt_get_thread_data()->errno));
}
/******************************************************************************
* _set_error_mode (MSVCRT.@)
*
* Set the error mode, which describes where the C run-time writes error
* messages.
*
* PARAMS
* mode - the new error mode
*
* RETURNS
* The old error mode.
*
* TODO
* This function does not have a proper implementation; the error mode is
* never used.
*/
int _set_error_mode(int mode)
{
static int current_mode = _OUT_TO_DEFAULT;
const int old = current_mode;
if ( _REPORT_ERRMODE != mode ) {
current_mode = mode;
FIXME("dummy implementation (old mode: %d, new mode: %d)\n",
old, mode);
}
return old;
}