2001-01-11 00:59:25 +01:00
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/*
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* msvcrt.dll spawn/exec functions
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*
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* Copyright 1996,1998 Marcus Meissner
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* Copyright 1996 Jukka Iivonen
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* Copyright 1997,2000 Uwe Bonnes
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* Copyright 2000 Jon Griffiths
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*
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2002-03-10 00:29:33 +01:00
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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2001-01-11 00:59:25 +01:00
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* FIXME:
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* -File handles need some special handling. Sometimes children get
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* open file handles, sometimes not. The docs are confusing
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* -No check for maximum path/argument/environment size is done
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*/
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2002-08-09 21:49:31 +02:00
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#include "config.h"
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#include <stdarg.h>
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2001-01-11 00:59:25 +01:00
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#include "msvcrt.h"
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2002-09-17 20:32:53 +02:00
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#include "msvcrt/errno.h"
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2001-01-11 00:59:25 +01:00
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2003-08-20 05:34:20 +02:00
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#include "msvcrt/stdio.h"
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2001-04-11 01:25:25 +02:00
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#include "msvcrt/process.h"
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#include "msvcrt/stdlib.h"
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2001-09-11 01:07:07 +02:00
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#include "msvcrt/string.h"
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2001-01-11 00:59:25 +01:00
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2002-01-22 01:57:16 +01:00
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
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2001-01-11 00:59:25 +01:00
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2001-04-10 23:16:07 +02:00
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/* FIXME: Check file extensions for app to run */
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2001-01-11 00:59:25 +01:00
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static const unsigned int EXE = 'e' << 16 | 'x' << 8 | 'e';
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static const unsigned int BAT = 'b' << 16 | 'a' << 8 | 't';
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static const unsigned int CMD = 'c' << 16 | 'm' << 8 | 'd';
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static const unsigned int COM = 'c' << 16 | 'o' << 8 | 'm';
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/* INTERNAL: Spawn a child process */
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2001-09-11 01:07:07 +02:00
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static int msvcrt_spawn(int flags, const char* exe, char* cmdline, char* env)
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2001-01-11 00:59:25 +01:00
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{
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STARTUPINFOA si;
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PROCESS_INFORMATION pi;
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if (sizeof(HANDLE) != sizeof(int))
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WARN("This call is unsuitable for your architecture\n");
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if ((unsigned)flags > _P_DETACH)
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{
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2002-07-19 05:24:50 +02:00
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*MSVCRT__errno() = MSVCRT_EINVAL;
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2001-01-11 00:59:25 +01:00
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return -1;
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}
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FIXME(":must dup/kill streams for child process\n");
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memset(&si, 0, sizeof(si));
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si.cb = sizeof(si);
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2001-09-11 01:07:07 +02:00
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if (!CreateProcessA(exe, cmdline, NULL, NULL, TRUE,
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2001-01-11 00:59:25 +01:00
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flags == _P_DETACH ? DETACHED_PROCESS : 0,
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env, NULL, &si, &pi))
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{
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MSVCRT__set_errno(GetLastError());
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return -1;
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}
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switch(flags)
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{
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case _P_WAIT:
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WaitForSingleObject(pi.hProcess,-1); /* wait forvever */
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GetExitCodeProcess(pi.hProcess,&pi.dwProcessId);
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CloseHandle(pi.hProcess);
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CloseHandle(pi.hThread);
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return (int)pi.dwProcessId;
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case _P_DETACH:
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CloseHandle(pi.hProcess);
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pi.hProcess = 0;
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/* fall through */
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case _P_NOWAIT:
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case _P_NOWAITO:
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CloseHandle(pi.hThread);
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return (int)pi.hProcess;
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case _P_OVERLAY:
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MSVCRT__exit(0);
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}
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return -1; /* can't reach here */
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}
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2001-09-11 01:07:07 +02:00
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/* INTERNAL: Convert argv list to a single 'delim'-separated string, with an
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* extra '\0' to terminate it
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*/
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2001-04-11 01:25:25 +02:00
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static char* msvcrt_argvtos(const char* const* arg, char delim)
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2001-01-11 00:59:25 +01:00
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{
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2001-09-11 01:07:07 +02:00
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const char* const* a;
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long size;
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char* p;
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char* ret;
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2001-01-11 00:59:25 +01:00
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if (!arg && !delim)
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2001-09-11 01:07:07 +02:00
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{
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/* Return NULL for an empty environment list */
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return NULL;
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}
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2001-01-11 00:59:25 +01:00
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/* get length */
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2001-09-11 01:07:07 +02:00
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a = arg;
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size = 0;
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while (*a)
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2001-01-11 00:59:25 +01:00
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{
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2001-09-11 01:07:07 +02:00
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size += strlen(*a) + 1;
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a++;
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2001-01-11 00:59:25 +01:00
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}
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2001-09-11 01:07:07 +02:00
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ret = (char*)MSVCRT_malloc(size + 1);
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if (!ret)
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2001-01-11 00:59:25 +01:00
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return NULL;
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/* fill string */
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2001-09-11 01:07:07 +02:00
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a = arg;
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p = ret;
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while (*a)
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2001-01-11 00:59:25 +01:00
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{
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2001-09-11 01:07:07 +02:00
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int len = strlen(*a);
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2002-11-13 05:20:54 +01:00
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memcpy(p,*a,len);
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2001-09-11 01:07:07 +02:00
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p += len;
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*p++ = delim;
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a++;
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2001-01-11 00:59:25 +01:00
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}
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2002-11-13 05:20:54 +01:00
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if (delim && p > ret) p[-1] = 0;
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else *p = 0;
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2001-01-11 00:59:25 +01:00
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return ret;
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}
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2001-09-11 01:07:07 +02:00
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/* INTERNAL: Convert va_list to a single 'delim'-separated string, with an
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* extra '\0' to terminate it
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*/
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static char* msvcrt_valisttos(const char* arg0, va_list alist, char delim)
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2001-05-18 22:58:08 +02:00
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{
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2002-08-09 21:49:31 +02:00
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va_list alist2;
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2001-05-18 22:58:08 +02:00
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long size;
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2001-09-11 01:07:07 +02:00
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const char *arg;
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char* p;
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2001-05-18 22:58:08 +02:00
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char *ret;
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2002-08-09 21:49:31 +02:00
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#if HAVE_VA_COPY
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va_copy(alist2,alist);
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#else
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# if HAVE___VA_COPY
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__va_copy(alist2,alist);
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# else
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alist2 = alist;
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# endif
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#endif
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2001-05-18 22:58:08 +02:00
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if (!arg0 && !delim)
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{
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2001-09-11 01:07:07 +02:00
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/* Return NULL for an empty environment list */
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return NULL;
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2001-05-18 22:58:08 +02:00
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}
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2001-09-11 01:07:07 +02:00
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/* get length */
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arg = arg0;
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size = 0;
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do {
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size += strlen(arg) + 1;
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arg = va_arg(alist, char*);
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} while (arg != NULL);
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ret = (char*)MSVCRT_malloc(size + 1);
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if (!ret)
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2001-05-18 22:58:08 +02:00
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return NULL;
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/* fill string */
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2001-09-11 01:07:07 +02:00
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arg = arg0;
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p = ret;
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do {
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int len = strlen(arg);
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memcpy(p,arg,len);
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p += len;
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*p++ = delim;
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arg = va_arg(alist2, char*);
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} while (arg != NULL);
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2002-11-13 05:20:54 +01:00
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if (delim && p > ret) p[-1] = 0;
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else *p = 0;
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2001-05-18 22:58:08 +02:00
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return ret;
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}
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2001-01-11 00:59:25 +01:00
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/*********************************************************************
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* _cwait (MSVCRT.@)
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*/
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2001-04-10 23:16:07 +02:00
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int _cwait(int *status, int pid, int action)
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2001-01-11 00:59:25 +01:00
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{
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HANDLE hPid = (HANDLE)pid;
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int doserrno;
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action = action; /* Remove warning */
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if (!WaitForSingleObject(hPid, -1)) /* wait forever */
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{
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if (status)
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{
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DWORD stat;
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GetExitCodeProcess(hPid, &stat);
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*status = (int)stat;
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}
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return (int)pid;
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}
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doserrno = GetLastError();
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if (doserrno == ERROR_INVALID_HANDLE)
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{
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2002-07-19 05:24:50 +02:00
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*MSVCRT__errno() = MSVCRT_ECHILD;
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*__doserrno() = doserrno;
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2001-01-11 00:59:25 +01:00
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}
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else
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MSVCRT__set_errno(doserrno);
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return status ? *status = -1 : -1;
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}
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2001-05-22 21:18:51 +02:00
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/*********************************************************************
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* _execl (MSVCRT.@)
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2001-09-11 01:07:07 +02:00
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*
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2002-06-01 01:06:46 +02:00
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* Like on Windows, this function does not handle arguments with spaces
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2001-09-11 01:07:07 +02:00
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* or double-quotes.
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2001-05-22 21:18:51 +02:00
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*/
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int _execl(const char* name, const char* arg0, ...)
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{
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va_list ap;
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char * args;
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int ret;
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va_start(ap, arg0);
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args = msvcrt_valisttos(arg0, ap, ' ');
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va_end(ap);
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ret = msvcrt_spawn(_P_OVERLAY, name, args, NULL);
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MSVCRT_free(args);
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return ret;
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}
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/*********************************************************************
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* _execlp (MSVCRT.@)
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2001-09-11 01:07:07 +02:00
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*
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2002-06-01 01:06:46 +02:00
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* Like on Windows, this function does not handle arguments with spaces
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2001-09-11 01:07:07 +02:00
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* or double-quotes.
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2001-05-22 21:18:51 +02:00
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*/
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int _execlp(const char* name, const char* arg0, ...)
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{
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va_list ap;
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char * args;
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int ret;
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char fullname[MAX_PATH];
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_searchenv(name, "PATH", fullname);
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va_start(ap, arg0);
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args = msvcrt_valisttos(arg0, ap, ' ');
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va_end(ap);
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ret = msvcrt_spawn(_P_OVERLAY, fullname[0] ? fullname : name, args, NULL);
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MSVCRT_free(args);
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return ret;
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}
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/*********************************************************************
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* _execv (MSVCRT.@)
|
2001-09-11 01:07:07 +02:00
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*
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2002-06-01 01:06:46 +02:00
|
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* Like on Windows, this function does not handle arguments with spaces
|
2001-09-11 01:07:07 +02:00
|
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* or double-quotes.
|
2001-05-22 21:18:51 +02:00
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*/
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int _execv(const char* name, char* const* argv)
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{
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return _spawnve(_P_OVERLAY, name, (const char* const*) argv, NULL);
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}
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|
|
/*********************************************************************
|
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* _execve (MSVCRT.@)
|
2001-09-11 01:07:07 +02:00
|
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*
|
2002-06-01 01:06:46 +02:00
|
|
|
* Like on Windows, this function does not handle arguments with spaces
|
2001-09-11 01:07:07 +02:00
|
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* or double-quotes.
|
2001-05-22 21:18:51 +02:00
|
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*/
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int _execve(const char* name, char* const* argv, const char* const* envv)
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{
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return _spawnve(_P_OVERLAY, name, (const char* const*) argv, envv);
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}
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|
|
/*********************************************************************
|
|
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* _execvpe (MSVCRT.@)
|
2001-09-11 01:07:07 +02:00
|
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*
|
2002-06-01 01:06:46 +02:00
|
|
|
* Like on Windows, this function does not handle arguments with spaces
|
2001-09-11 01:07:07 +02:00
|
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|
* or double-quotes.
|
2001-05-22 21:18:51 +02:00
|
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*/
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int _execvpe(const char* name, char* const* argv, const char* const* envv)
|
|
|
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{
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char fullname[MAX_PATH];
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|
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_searchenv(name, "PATH", fullname);
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|
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return _spawnve(_P_OVERLAY, fullname[0] ? fullname : name,
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(const char* const*) argv, envv);
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}
|
|
|
|
|
|
|
|
/*********************************************************************
|
|
|
|
* _execvp (MSVCRT.@)
|
2001-09-11 01:07:07 +02:00
|
|
|
*
|
2002-06-01 01:06:46 +02:00
|
|
|
* Like on Windows, this function does not handle arguments with spaces
|
2001-09-11 01:07:07 +02:00
|
|
|
* or double-quotes.
|
2001-05-22 21:18:51 +02:00
|
|
|
*/
|
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|
|
int _execvp(const char* name, char* const* argv)
|
|
|
|
{
|
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|
|
return _execvpe(name, argv, NULL);
|
|
|
|
}
|
|
|
|
|
2001-05-18 22:58:08 +02:00
|
|
|
/*********************************************************************
|
|
|
|
* _spawnl (MSVCRT.@)
|
2001-09-11 01:07:07 +02:00
|
|
|
*
|
2002-06-01 01:06:46 +02:00
|
|
|
* Like on Windows, this function does not handle arguments with spaces
|
2001-09-11 01:07:07 +02:00
|
|
|
* or double-quotes.
|
2001-05-18 22:58:08 +02:00
|
|
|
*/
|
|
|
|
int _spawnl(int flags, const char* name, const char* arg0, ...)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
char * args;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
va_start(ap, arg0);
|
|
|
|
args = msvcrt_valisttos(arg0, ap, ' ');
|
|
|
|
va_end(ap);
|
|
|
|
|
|
|
|
ret = msvcrt_spawn(flags, name, args, NULL);
|
|
|
|
MSVCRT_free(args);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*********************************************************************
|
2001-05-22 21:18:51 +02:00
|
|
|
* _spawnlp (MSVCRT.@)
|
2001-09-11 01:07:07 +02:00
|
|
|
*
|
2002-06-01 01:06:46 +02:00
|
|
|
* Like on Windows, this function does not handle arguments with spaces
|
2001-09-11 01:07:07 +02:00
|
|
|
* or double-quotes.
|
2001-05-18 22:58:08 +02:00
|
|
|
*/
|
|
|
|
int _spawnlp(int flags, const char* name, const char* arg0, ...)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
char * args;
|
|
|
|
int ret;
|
|
|
|
char fullname[MAX_PATH];
|
|
|
|
|
|
|
|
_searchenv(name, "PATH", fullname);
|
|
|
|
|
|
|
|
va_start(ap, arg0);
|
|
|
|
args = msvcrt_valisttos(arg0, ap, ' ');
|
|
|
|
va_end(ap);
|
|
|
|
|
2001-05-22 21:18:51 +02:00
|
|
|
ret = msvcrt_spawn(flags, fullname[0] ? fullname : name, args, NULL);
|
2001-05-18 22:58:08 +02:00
|
|
|
MSVCRT_free(args);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2001-01-11 00:59:25 +01:00
|
|
|
/*********************************************************************
|
|
|
|
* _spawnve (MSVCRT.@)
|
2001-09-11 01:07:07 +02:00
|
|
|
*
|
2002-06-01 01:06:46 +02:00
|
|
|
* Like on Windows, this function does not handle arguments with spaces
|
2001-09-11 01:07:07 +02:00
|
|
|
* or double-quotes.
|
2001-01-11 00:59:25 +01:00
|
|
|
*/
|
2001-04-11 01:25:25 +02:00
|
|
|
int _spawnve(int flags, const char* name, const char* const* argv,
|
|
|
|
const char* const* envv)
|
2001-01-11 00:59:25 +01:00
|
|
|
{
|
2001-04-10 23:16:07 +02:00
|
|
|
char * args = msvcrt_argvtos(argv,' ');
|
|
|
|
char * envs = msvcrt_argvtos(envv,0);
|
2001-01-22 03:21:54 +01:00
|
|
|
const char *fullname = name;
|
2001-01-11 00:59:25 +01:00
|
|
|
int ret = -1;
|
|
|
|
|
|
|
|
FIXME(":not translating name %s to locate program\n",fullname);
|
|
|
|
TRACE(":call (%s), params (%s), env (%s)\n",name,args,envs?"Custom":"Null");
|
|
|
|
|
|
|
|
if (args)
|
|
|
|
{
|
2001-04-10 23:16:07 +02:00
|
|
|
ret = msvcrt_spawn(flags, fullname, args, envs);
|
2001-01-11 00:59:25 +01:00
|
|
|
MSVCRT_free(args);
|
|
|
|
}
|
|
|
|
if (envs)
|
|
|
|
MSVCRT_free(envs);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*********************************************************************
|
|
|
|
* _spawnv (MSVCRT.@)
|
2001-09-11 01:07:07 +02:00
|
|
|
*
|
2002-06-01 01:06:46 +02:00
|
|
|
* Like on Windows, this function does not handle arguments with spaces
|
2001-09-11 01:07:07 +02:00
|
|
|
* or double-quotes.
|
2001-01-11 00:59:25 +01:00
|
|
|
*/
|
2001-04-11 01:25:25 +02:00
|
|
|
int _spawnv(int flags, const char* name, const char* const* argv)
|
2001-01-11 00:59:25 +01:00
|
|
|
{
|
2001-04-10 23:16:07 +02:00
|
|
|
return _spawnve(flags, name, argv, NULL);
|
2001-01-11 00:59:25 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/*********************************************************************
|
|
|
|
* _spawnvpe (MSVCRT.@)
|
2001-09-11 01:07:07 +02:00
|
|
|
*
|
2002-06-01 01:06:46 +02:00
|
|
|
* Like on Windows, this function does not handle arguments with spaces
|
2001-09-11 01:07:07 +02:00
|
|
|
* or double-quotes.
|
2001-01-11 00:59:25 +01:00
|
|
|
*/
|
2001-04-11 01:25:25 +02:00
|
|
|
int _spawnvpe(int flags, const char* name, const char* const* argv,
|
|
|
|
const char* const* envv)
|
2001-01-11 00:59:25 +01:00
|
|
|
{
|
|
|
|
char fullname[MAX_PATH];
|
2001-04-10 23:16:07 +02:00
|
|
|
_searchenv(name, "PATH", fullname);
|
|
|
|
return _spawnve(flags, fullname[0] ? fullname : name, argv, envv);
|
2001-01-11 00:59:25 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/*********************************************************************
|
|
|
|
* _spawnvp (MSVCRT.@)
|
2001-09-11 01:07:07 +02:00
|
|
|
*
|
2002-06-01 01:06:46 +02:00
|
|
|
* Like on Windows, this function does not handle arguments with spaces
|
2001-09-11 01:07:07 +02:00
|
|
|
* or double-quotes.
|
2001-01-11 00:59:25 +01:00
|
|
|
*/
|
2001-04-11 01:25:25 +02:00
|
|
|
int _spawnvp(int flags, const char* name, const char* const* argv)
|
2001-01-11 00:59:25 +01:00
|
|
|
{
|
2001-04-10 23:16:07 +02:00
|
|
|
return _spawnvpe(flags, name, argv, NULL);
|
2001-01-11 00:59:25 +01:00
|
|
|
}
|
|
|
|
|
2003-08-20 05:34:20 +02:00
|
|
|
/*********************************************************************
|
|
|
|
* _popen (MSVCRT.@)
|
|
|
|
*/
|
|
|
|
MSVCRT_FILE* _popen(const char* command, const char* mode)
|
|
|
|
{
|
|
|
|
FIXME("(command=%s, mode=%s): stub\n", debugstr_a(command), debugstr_a(mode));
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*********************************************************************
|
|
|
|
* _wpopen (MSVCRT.@)
|
|
|
|
*/
|
|
|
|
MSVCRT_FILE* _wpopen(const MSVCRT_wchar_t* command, const MSVCRT_wchar_t* mode)
|
|
|
|
{
|
|
|
|
FIXME("(command=%s, mode=%s): stub\n", debugstr_w(command), debugstr_w(mode));
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*********************************************************************
|
|
|
|
* _pclose (MSVCRT.@)
|
|
|
|
*/
|
|
|
|
int _pclose(MSVCRT_FILE* file)
|
|
|
|
{
|
|
|
|
FIXME("(file=%p): stub\n", file);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2001-01-11 00:59:25 +01:00
|
|
|
/*********************************************************************
|
|
|
|
* system (MSVCRT.@)
|
|
|
|
*/
|
2001-04-10 23:16:07 +02:00
|
|
|
int MSVCRT_system(const char* cmd)
|
2001-01-11 00:59:25 +01:00
|
|
|
{
|
2001-09-11 01:07:07 +02:00
|
|
|
char* cmdcopy;
|
|
|
|
int res;
|
|
|
|
|
|
|
|
/* Make a writable copy for CreateProcess */
|
|
|
|
cmdcopy=_strdup(cmd);
|
|
|
|
/* FIXME: should probably launch cmd interpreter in COMSPEC */
|
|
|
|
res=msvcrt_spawn(_P_WAIT, NULL, cmdcopy, NULL);
|
|
|
|
MSVCRT_free(cmdcopy);
|
|
|
|
return res;
|
2001-01-11 00:59:25 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/*********************************************************************
|
|
|
|
* _loaddll (MSVCRT.@)
|
|
|
|
*/
|
2001-04-10 23:16:07 +02:00
|
|
|
int _loaddll(const char* dllname)
|
2001-01-11 00:59:25 +01:00
|
|
|
{
|
2002-10-04 02:27:10 +02:00
|
|
|
return (int)LoadLibraryA(dllname);
|
2001-01-11 00:59:25 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/*********************************************************************
|
|
|
|
* _unloaddll (MSVCRT.@)
|
|
|
|
*/
|
2001-04-10 23:16:07 +02:00
|
|
|
int _unloaddll(int dll)
|
2001-01-11 00:59:25 +01:00
|
|
|
{
|
2002-10-04 02:27:10 +02:00
|
|
|
if (FreeLibrary((HMODULE)dll))
|
2001-01-11 00:59:25 +01:00
|
|
|
return 0;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
int err = GetLastError();
|
|
|
|
MSVCRT__set_errno(err);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
}
|
2003-03-17 01:05:44 +01:00
|
|
|
|
|
|
|
/*********************************************************************
|
|
|
|
* _getdllprocaddr (MSVCRT.@)
|
|
|
|
*/
|
|
|
|
void *_getdllprocaddr(int dll, const char *name, int ordinal)
|
|
|
|
{
|
|
|
|
if (name)
|
|
|
|
{
|
|
|
|
if (ordinal != -1) return NULL;
|
|
|
|
return GetProcAddress( (HMODULE)dll, name );
|
|
|
|
}
|
|
|
|
if (HIWORD(ordinal)) return NULL;
|
|
|
|
return GetProcAddress( (HMODULE)dll, (LPCSTR)(ULONG_PTR)ordinal );
|
|
|
|
}
|