2 * msvcrt.dll spawn/exec functions
4 * Copyright 1996,1998 Marcus Meissner
5 * Copyright 1996 Jukka Iivonen
6 * Copyright 1997,2000 Uwe Bonnes
7 * Copyright 2000 Jon Griffiths
8 * Copyright 2007 Hans Leidekker
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 * -File handles need some special handling. Sometimes children get
26 * open file handles, sometimes not. The docs are confusing
27 * -No check for maximum path/argument/environment size is done
34 #include "wine/debug.h"
35 #include "wine/unicode.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
39 static void msvcrt_search_executable(const MSVCRT_wchar_t *name, MSVCRT_wchar_t *fullname, int use_path)
41 static const MSVCRT_wchar_t path[] = {'P','A','T','H',0};
42 static const MSVCRT_wchar_t suffix[][5] =
43 {{'.','c','o','m',0}, {'.','e','x','e',0}, {'.','b','a','t',0}, {'.','c','m','d',0}};
45 MSVCRT_wchar_t buffer[MAX_PATH];
46 const MSVCRT_wchar_t *env, *p;
47 unsigned int i, name_len, path_len;
51 msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
53 p = memchrW(name, '\0', MAX_PATH);
54 if (!p) p = name + MAX_PATH - 1;
57 /* FIXME extra-long names are silently truncated */
58 memcpy(buffer, name, name_len * sizeof(MSVCRT_wchar_t));
59 buffer[name_len] = '\0';
61 /* try current dir first */
62 if (GetFileAttributesW(buffer) != INVALID_FILE_ATTRIBUTES)
64 strcpyW(fullname, buffer);
68 for (p--; p >= name; p--)
69 if (*p == '\\' || *p == '/' || *p == ':' || *p == '.') break;
71 /* if there's no extension, try some well-known extensions */
72 if ((p < name || *p != '.') && name_len <= MAX_PATH - 5)
74 for (i = 0; i < 4; i++)
76 memcpy(buffer + name_len, suffix[i], 5 * sizeof(MSVCRT_wchar_t));
77 if (GetFileAttributesW(buffer) != INVALID_FILE_ATTRIBUTES)
79 strcpyW(fullname, buffer);
86 if (!use_path || !(env = _wgetenv(path))) return;
88 /* now try search path */
92 while (*p && *p != ';') p++;
96 if (path_len + name_len <= MAX_PATH - 2)
98 memcpy(buffer, env, path_len * sizeof(MSVCRT_wchar_t));
99 if (buffer[path_len] != '/' && buffer[path_len] != '\\')
101 buffer[path_len++] = '\\';
102 buffer[path_len] = '\0';
104 else buffer[path_len] = '\0';
106 strcatW(buffer, name);
107 if (GetFileAttributesW(buffer) != INVALID_FILE_ATTRIBUTES)
109 strcpyW(fullname, buffer);
113 /* again, if there's no extension, try some well-known extensions */
114 if (!extension && path_len + name_len <= MAX_PATH - 5)
116 for (i = 0; i < 4; i++)
118 memcpy(buffer + path_len + name_len, suffix[i], 5 * sizeof(MSVCRT_wchar_t));
119 if (GetFileAttributesW(buffer) != INVALID_FILE_ATTRIBUTES)
121 strcpyW(fullname, buffer);
126 env = *p ? p + 1 : p;
130 static MSVCRT_intptr_t msvcrt_spawn(int flags, const MSVCRT_wchar_t* exe, MSVCRT_wchar_t* cmdline,
131 MSVCRT_wchar_t* env, int use_path)
134 PROCESS_INFORMATION pi;
135 MSVCRT_wchar_t fullname[MAX_PATH];
137 TRACE("%x %s %s %s %d\n", flags, debugstr_w(exe), debugstr_w(cmdline), debugstr_w(env), use_path);
139 if ((unsigned)flags > MSVCRT__P_DETACH)
141 *MSVCRT__errno() = MSVCRT_EINVAL;
145 msvcrt_search_executable(exe, fullname, use_path);
147 memset(&si, 0, sizeof(si));
149 msvcrt_create_io_inherit_block(&si.cbReserved2, &si.lpReserved2);
150 if (!CreateProcessW(fullname, cmdline, NULL, NULL, TRUE,
151 flags == MSVCRT__P_DETACH ? DETACHED_PROCESS : 0,
152 env, NULL, &si, &pi))
154 msvcrt_set_errno(GetLastError());
155 MSVCRT_free(si.lpReserved2);
159 MSVCRT_free(si.lpReserved2);
163 WaitForSingleObject(pi.hProcess, INFINITE);
164 GetExitCodeProcess(pi.hProcess,&pi.dwProcessId);
165 CloseHandle(pi.hProcess);
166 CloseHandle(pi.hThread);
167 return pi.dwProcessId;
168 case MSVCRT__P_DETACH:
169 CloseHandle(pi.hProcess);
172 case MSVCRT__P_NOWAIT:
173 case MSVCRT__P_NOWAITO:
174 CloseHandle(pi.hThread);
175 return (MSVCRT_intptr_t)pi.hProcess;
176 case MSVCRT__P_OVERLAY:
179 return -1; /* can't reach here */
182 /* INTERNAL: Convert wide argv list to a single 'delim'-separated wide string, with an
183 * extra '\0' to terminate it.
185 static MSVCRT_wchar_t* msvcrt_argvtos(const MSVCRT_wchar_t* const* arg, MSVCRT_wchar_t delim)
187 const MSVCRT_wchar_t* const* a;
194 /* Return NULL for an empty environment list */
203 size += strlenW(*a) + 1;
207 ret = MSVCRT_malloc((size + 1) * sizeof(MSVCRT_wchar_t));
216 int len = strlenW(*a);
217 memcpy(p,*a,len * sizeof(MSVCRT_wchar_t));
222 if (delim && p > ret) p[-1] = 0;
227 /* INTERNAL: Convert ansi argv list to a single 'delim'-separated wide string, with an
228 * extra '\0' to terminate it.
230 static MSVCRT_wchar_t *msvcrt_argvtos_aw(const char * const *arg, MSVCRT_wchar_t delim)
232 const char * const *a;
234 MSVCRT_wchar_t *p, *ret;
238 /* Return NULL for an empty environment list */
247 len += MultiByteToWideChar(CP_ACP, 0, *a, -1, NULL, 0);
251 ret = MSVCRT_malloc((len + 1) * sizeof(MSVCRT_wchar_t));
260 p += MultiByteToWideChar(CP_ACP, 0, *a, strlen(*a), p, len - (p - ret));
264 if (delim && p > ret) p[-1] = 0;
269 /* INTERNAL: Convert wide va_list to a single 'delim'-separated wide string, with an
270 * extra '\0' to terminate it.
272 static MSVCRT_wchar_t *msvcrt_valisttos(const MSVCRT_wchar_t *arg0, va_list alist, MSVCRT_wchar_t delim)
276 const MSVCRT_wchar_t *arg;
277 MSVCRT_wchar_t *p, *ret;
280 va_copy(alist2,alist);
282 # ifdef HAVE___VA_COPY
283 __va_copy(alist2,alist);
291 /* Return NULL for an empty environment list */
299 len += strlenW(arg) + 1;
300 arg = va_arg(alist, MSVCRT_wchar_t*);
301 } while (arg != NULL);
303 ret = MSVCRT_malloc((len + 1) * sizeof(MSVCRT_wchar_t));
312 memcpy(p, arg, len * sizeof(MSVCRT_wchar_t));
315 arg = va_arg(alist2, MSVCRT_wchar_t*);
316 } while (arg != NULL);
317 if (delim && p > ret) p[-1] = 0;
322 /* INTERNAL: Convert ansi va_list to a single 'delim'-separated wide string, with an
323 * extra '\0' to terminate it.
325 static MSVCRT_wchar_t *msvcrt_valisttos_aw(const char *arg0, va_list alist, MSVCRT_wchar_t delim)
330 MSVCRT_wchar_t *p, *ret;
333 va_copy(alist2,alist);
335 # ifdef HAVE___VA_COPY
336 __va_copy(alist2,alist);
344 /* Return NULL for an empty environment list */
352 len += MultiByteToWideChar(CP_ACP, 0, arg, -1, NULL, 0);
353 arg = va_arg(alist, char*);
354 } while (arg != NULL);
356 ret = MSVCRT_malloc((len + 1) * sizeof(MSVCRT_wchar_t));
364 p += MultiByteToWideChar(CP_ACP, 0, arg, strlen(arg), p, len - (p - ret));
366 arg = va_arg(alist2, char*);
367 } while (arg != NULL);
368 if (delim && p > ret) p[-1] = 0;
373 /* INTERNAL: retrieve COMSPEC environment variable */
374 static MSVCRT_wchar_t *msvcrt_get_comspec(void)
376 static const MSVCRT_wchar_t cmd[] = {'c','m','d',0};
377 static const MSVCRT_wchar_t comspec[] = {'C','O','M','S','P','E','C',0};
381 if (!(len = GetEnvironmentVariableW(comspec, NULL, 0))) len = sizeof(cmd)/sizeof(MSVCRT_wchar_t);
382 if ((ret = HeapAlloc(GetProcessHeap(), 0, len * sizeof(MSVCRT_wchar_t))))
384 if (!GetEnvironmentVariableW(comspec, ret, len)) strcpyW(ret, cmd);
389 /*********************************************************************
392 MSVCRT_intptr_t CDECL _cwait(int *status, MSVCRT_intptr_t pid, int action)
394 HANDLE hPid = (HANDLE)pid;
397 action = action; /* Remove warning */
399 if (!WaitForSingleObject(hPid, INFINITE))
404 GetExitCodeProcess(hPid, &stat);
409 doserrno = GetLastError();
411 if (doserrno == ERROR_INVALID_HANDLE)
413 *MSVCRT__errno() = MSVCRT_ECHILD;
414 *MSVCRT___doserrno() = doserrno;
417 msvcrt_set_errno(doserrno);
419 return status ? *status = -1 : -1;
422 /*********************************************************************
425 * Unicode version of _execl
427 MSVCRT_intptr_t CDECL _wexecl(const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* arg0, ...)
430 MSVCRT_wchar_t *args;
434 args = msvcrt_valisttos(arg0, ap, ' ');
437 ret = msvcrt_spawn(MSVCRT__P_OVERLAY, name, args, NULL, 0);
443 /*********************************************************************
446 * Like on Windows, this function does not handle arguments with spaces
449 MSVCRT_intptr_t CDECL _execl(const char* name, const char* arg0, ...)
452 MSVCRT_wchar_t *nameW, *args;
455 if (!(nameW = msvcrt_wstrdupa(name))) return -1;
458 args = msvcrt_valisttos_aw(arg0, ap, ' ');
461 ret = msvcrt_spawn(MSVCRT__P_OVERLAY, nameW, args, NULL, 0);
468 /*********************************************************************
469 * _wexecle (MSVCRT.@)
471 * Unicode version of _execle
473 MSVCRT_intptr_t CDECL _wexecle(const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* arg0, ...)
476 MSVCRT_wchar_t *args, *envs = NULL;
477 const MSVCRT_wchar_t * const *envp;
481 args = msvcrt_valisttos(arg0, ap, ' ');
485 while (va_arg( ap, MSVCRT_wchar_t * ) != NULL) /*nothing*/;
486 envp = va_arg( ap, const MSVCRT_wchar_t * const * );
487 if (envp) envs = msvcrt_argvtos(envp, 0);
490 ret = msvcrt_spawn(MSVCRT__P_OVERLAY, name, args, envs, 0);
497 /*********************************************************************
500 MSVCRT_intptr_t CDECL _execle(const char* name, const char* arg0, ...)
503 MSVCRT_wchar_t *nameW, *args, *envs = NULL;
504 const char * const *envp;
507 if (!(nameW = msvcrt_wstrdupa(name))) return -1;
510 args = msvcrt_valisttos_aw(arg0, ap, ' ');
514 while (va_arg( ap, char * ) != NULL) /*nothing*/;
515 envp = va_arg( ap, const char * const * );
516 if (envp) envs = msvcrt_argvtos_aw(envp, 0);
519 ret = msvcrt_spawn(MSVCRT__P_OVERLAY, nameW, args, envs, 0);
527 /*********************************************************************
528 * _wexeclp (MSVCRT.@)
530 * Unicode version of _execlp
532 MSVCRT_intptr_t CDECL _wexeclp(const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* arg0, ...)
535 MSVCRT_wchar_t *args;
539 args = msvcrt_valisttos(arg0, ap, ' ');
542 ret = msvcrt_spawn(MSVCRT__P_OVERLAY, name, args, NULL, 1);
548 /*********************************************************************
551 * Like on Windows, this function does not handle arguments with spaces
554 MSVCRT_intptr_t CDECL _execlp(const char* name, const char* arg0, ...)
557 MSVCRT_wchar_t *nameW, *args;
560 if (!(nameW = msvcrt_wstrdupa(name))) return -1;
563 args = msvcrt_valisttos_aw(arg0, ap, ' ');
566 ret = msvcrt_spawn(MSVCRT__P_OVERLAY, nameW, args, NULL, 1);
573 /*********************************************************************
574 * _wexeclpe (MSVCRT.@)
576 * Unicode version of _execlpe
578 MSVCRT_intptr_t CDECL _wexeclpe(const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* arg0, ...)
581 MSVCRT_wchar_t *args, *envs = NULL;
582 const MSVCRT_wchar_t * const *envp;
586 args = msvcrt_valisttos(arg0, ap, ' ');
590 while (va_arg( ap, MSVCRT_wchar_t * ) != NULL) /*nothing*/;
591 envp = va_arg( ap, const MSVCRT_wchar_t * const * );
592 if (envp) envs = msvcrt_argvtos(envp, 0);
595 ret = msvcrt_spawn(MSVCRT__P_OVERLAY, name, args, envs, 1);
602 /*********************************************************************
603 * _execlpe (MSVCRT.@)
605 MSVCRT_intptr_t CDECL _execlpe(const char* name, const char* arg0, ...)
608 MSVCRT_wchar_t *nameW, *args, *envs = NULL;
609 const char * const *envp;
612 if (!(nameW = msvcrt_wstrdupa(name))) return -1;
615 args = msvcrt_valisttos_aw(arg0, ap, ' ');
619 while (va_arg( ap, char * ) != NULL) /*nothing*/;
620 envp = va_arg( ap, const char * const * );
621 if (envp) envs = msvcrt_argvtos_aw(envp, 0);
624 ret = msvcrt_spawn(MSVCRT__P_OVERLAY, nameW, args, envs, 1);
632 /*********************************************************************
635 * Unicode version of _execv
637 MSVCRT_intptr_t CDECL _wexecv(const MSVCRT_wchar_t* name, MSVCRT_wchar_t* const* argv)
639 return _wspawnve(MSVCRT__P_OVERLAY, name, (const MSVCRT_wchar_t* const*) argv, NULL);
642 /*********************************************************************
645 * Like on Windows, this function does not handle arguments with spaces
648 MSVCRT_intptr_t CDECL _execv(const char* name, char* const* argv)
650 return _spawnve(MSVCRT__P_OVERLAY, name, (const char* const*) argv, NULL);
653 /*********************************************************************
654 * _wexecve (MSVCRT.@)
656 * Unicode version of _execve
658 MSVCRT_intptr_t CDECL _wexecve(const MSVCRT_wchar_t* name, MSVCRT_wchar_t* const* argv, const MSVCRT_wchar_t* const* envv)
660 return _wspawnve(MSVCRT__P_OVERLAY, name, (const MSVCRT_wchar_t* const*) argv, envv);
663 /*********************************************************************
666 * Like on Windows, this function does not handle arguments with spaces
669 MSVCRT_intptr_t CDECL MSVCRT__execve(const char* name, char* const* argv, const char* const* envv)
671 return _spawnve(MSVCRT__P_OVERLAY, name, (const char* const*) argv, envv);
674 /*********************************************************************
675 * _wexecvpe (MSVCRT.@)
677 * Unicode version of _execvpe
679 MSVCRT_intptr_t CDECL _wexecvpe(const MSVCRT_wchar_t* name, MSVCRT_wchar_t* const* argv, const MSVCRT_wchar_t* const* envv)
681 return _wspawnvpe(MSVCRT__P_OVERLAY, name, (const MSVCRT_wchar_t* const*) argv, envv);
684 /*********************************************************************
685 * _execvpe (MSVCRT.@)
687 * Like on Windows, this function does not handle arguments with spaces
690 MSVCRT_intptr_t CDECL _execvpe(const char* name, char* const* argv, const char* const* envv)
692 return _spawnvpe(MSVCRT__P_OVERLAY, name, (const char* const*) argv, envv);
695 /*********************************************************************
696 * _wexecvp (MSVCRT.@)
698 * Unicode version of _execvp
700 MSVCRT_intptr_t CDECL _wexecvp(const MSVCRT_wchar_t* name, MSVCRT_wchar_t* const* argv)
702 return _wexecvpe(name, argv, NULL);
705 /*********************************************************************
708 * Like on Windows, this function does not handle arguments with spaces
711 MSVCRT_intptr_t CDECL _execvp(const char* name, char* const* argv)
713 return _execvpe(name, argv, NULL);
716 /*********************************************************************
717 * _wspawnl (MSVCRT.@)
719 * Unicode version of _spawnl
721 MSVCRT_intptr_t CDECL _wspawnl(int flags, const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* arg0, ...)
724 MSVCRT_wchar_t *args;
728 args = msvcrt_valisttos(arg0, ap, ' ');
731 ret = msvcrt_spawn(flags, name, args, NULL, 0);
737 /*********************************************************************
740 * Like on Windows, this function does not handle arguments with spaces
743 MSVCRT_intptr_t CDECL _spawnl(int flags, const char* name, const char* arg0, ...)
746 MSVCRT_wchar_t *nameW, *args;
749 if (!(nameW = msvcrt_wstrdupa(name))) return -1;
752 args = msvcrt_valisttos_aw(arg0, ap, ' ');
755 ret = msvcrt_spawn(flags, nameW, args, NULL, 0);
762 /*********************************************************************
763 * _wspawnle (MSVCRT.@)
765 * Unicode version of _spawnle
767 MSVCRT_intptr_t CDECL _wspawnle(int flags, const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* arg0, ...)
770 MSVCRT_wchar_t *args, *envs = NULL;
771 const MSVCRT_wchar_t * const *envp;
775 args = msvcrt_valisttos(arg0, ap, ' ');
779 while (va_arg( ap, MSVCRT_wchar_t * ) != NULL) /*nothing*/;
780 envp = va_arg( ap, const MSVCRT_wchar_t * const * );
781 if (envp) envs = msvcrt_argvtos(envp, 0);
784 ret = msvcrt_spawn(flags, name, args, envs, 0);
791 /*********************************************************************
792 * _spawnle (MSVCRT.@)
794 MSVCRT_intptr_t CDECL _spawnle(int flags, const char* name, const char* arg0, ...)
797 MSVCRT_wchar_t *nameW, *args, *envs = NULL;
798 const char * const *envp;
801 if (!(nameW = msvcrt_wstrdupa(name))) return -1;
804 args = msvcrt_valisttos_aw(arg0, ap, ' ');
808 while (va_arg( ap, char * ) != NULL) /*nothing*/;
809 envp = va_arg( ap, const char * const * );
810 if (envp) envs = msvcrt_argvtos_aw(envp, 0);
813 ret = msvcrt_spawn(flags, nameW, args, envs, 0);
821 /*********************************************************************
822 * _wspawnlp (MSVCRT.@)
824 * Unicode version of _spawnlp
826 MSVCRT_intptr_t CDECL _wspawnlp(int flags, const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* arg0, ...)
829 MSVCRT_wchar_t *args;
833 args = msvcrt_valisttos(arg0, ap, ' ');
836 ret = msvcrt_spawn(flags, name, args, NULL, 1);
842 /*********************************************************************
843 * _spawnlp (MSVCRT.@)
845 * Like on Windows, this function does not handle arguments with spaces
848 MSVCRT_intptr_t CDECL _spawnlp(int flags, const char* name, const char* arg0, ...)
851 MSVCRT_wchar_t *nameW, *args;
854 if (!(nameW = msvcrt_wstrdupa(name))) return -1;
857 args = msvcrt_valisttos_aw(arg0, ap, ' ');
860 ret = msvcrt_spawn(flags, nameW, args, NULL, 1);
867 /*********************************************************************
868 * _wspawnlpe (MSVCRT.@)
870 * Unicode version of _spawnlpe
872 MSVCRT_intptr_t CDECL _wspawnlpe(int flags, const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* arg0, ...)
875 MSVCRT_wchar_t *args, *envs = NULL;
876 const MSVCRT_wchar_t * const *envp;
880 args = msvcrt_valisttos(arg0, ap, ' ');
884 while (va_arg( ap, MSVCRT_wchar_t * ) != NULL) /*nothing*/;
885 envp = va_arg( ap, const MSVCRT_wchar_t * const * );
886 if (envp) envs = msvcrt_argvtos(envp, 0);
889 ret = msvcrt_spawn(flags, name, args, envs, 1);
896 /*********************************************************************
897 * _spawnlpe (MSVCRT.@)
899 MSVCRT_intptr_t CDECL _spawnlpe(int flags, const char* name, const char* arg0, ...)
902 MSVCRT_wchar_t *nameW, *args, *envs = NULL;
903 const char * const *envp;
906 if (!(nameW = msvcrt_wstrdupa(name))) return -1;
909 args = msvcrt_valisttos_aw(arg0, ap, ' ');
913 while (va_arg( ap, char * ) != NULL) /*nothing*/;
914 envp = va_arg( ap, const char * const * );
915 if (envp) envs = msvcrt_argvtos_aw(envp, 0);
918 ret = msvcrt_spawn(flags, nameW, args, envs, 1);
926 /*********************************************************************
927 * _spawnve (MSVCRT.@)
929 * Like on Windows, this function does not handle arguments with spaces
932 MSVCRT_intptr_t CDECL _spawnve(int flags, const char* name, const char* const* argv,
933 const char* const* envv)
935 MSVCRT_wchar_t *nameW, *args, *envs;
938 if (!(nameW = msvcrt_wstrdupa(name))) return -1;
940 args = msvcrt_argvtos_aw(argv, ' ');
941 envs = msvcrt_argvtos_aw(envv, 0);
943 ret = msvcrt_spawn(flags, nameW, args, envs, 0);
951 /*********************************************************************
952 * _wspawnve (MSVCRT.@)
954 * Unicode version of _spawnve
956 MSVCRT_intptr_t CDECL _wspawnve(int flags, const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* const* argv,
957 const MSVCRT_wchar_t* const* envv)
959 MSVCRT_wchar_t *args, *envs;
962 args = msvcrt_argvtos(argv, ' ');
963 envs = msvcrt_argvtos(envv, 0);
965 ret = msvcrt_spawn(flags, name, args, envs, 0);
972 /*********************************************************************
975 * Like on Windows, this function does not handle arguments with spaces
978 MSVCRT_intptr_t CDECL _spawnv(int flags, const char* name, const char* const* argv)
980 return _spawnve(flags, name, argv, NULL);
983 /*********************************************************************
984 * _wspawnv (MSVCRT.@)
986 * Unicode version of _spawnv
988 MSVCRT_intptr_t CDECL _wspawnv(int flags, const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* const* argv)
990 return _wspawnve(flags, name, argv, NULL);
993 /*********************************************************************
994 * _spawnvpe (MSVCRT.@)
996 * Like on Windows, this function does not handle arguments with spaces
999 MSVCRT_intptr_t CDECL _spawnvpe(int flags, const char* name, const char* const* argv,
1000 const char* const* envv)
1002 MSVCRT_wchar_t *nameW, *args, *envs;
1003 MSVCRT_intptr_t ret;
1005 if (!(nameW = msvcrt_wstrdupa(name))) return -1;
1007 args = msvcrt_argvtos_aw(argv, ' ');
1008 envs = msvcrt_argvtos_aw(envv, 0);
1010 ret = msvcrt_spawn(flags, nameW, args, envs, 1);
1018 /*********************************************************************
1019 * _wspawnvpe (MSVCRT.@)
1021 * Unicode version of _spawnvpe
1023 MSVCRT_intptr_t CDECL _wspawnvpe(int flags, const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* const* argv,
1024 const MSVCRT_wchar_t* const* envv)
1026 MSVCRT_wchar_t *args, *envs;
1027 MSVCRT_intptr_t ret;
1029 args = msvcrt_argvtos(argv, ' ');
1030 envs = msvcrt_argvtos(envv, 0);
1032 ret = msvcrt_spawn(flags, name, args, envs, 1);
1039 /*********************************************************************
1040 * _spawnvp (MSVCRT.@)
1042 * Like on Windows, this function does not handle arguments with spaces
1045 MSVCRT_intptr_t CDECL _spawnvp(int flags, const char* name, const char* const* argv)
1047 return _spawnvpe(flags, name, argv, NULL);
1050 /*********************************************************************
1051 * _wspawnvp (MSVCRT.@)
1053 * Unicode version of _spawnvp
1055 MSVCRT_intptr_t CDECL _wspawnvp(int flags, const MSVCRT_wchar_t* name, const MSVCRT_wchar_t* const* argv)
1057 return _wspawnvpe(flags, name, argv, NULL);
1060 /*********************************************************************
1061 * _wpopen (MSVCRT.@)
1063 * Unicode version of _popen
1065 MSVCRT_FILE* CDECL MSVCRT__wpopen(const MSVCRT_wchar_t* command, const MSVCRT_wchar_t* mode)
1068 BOOL readPipe = TRUE;
1069 int textmode, fds[2], fdToDup, fdToOpen, fdStdHandle = -1, fdStdErr = -1;
1070 const MSVCRT_wchar_t *p;
1071 MSVCRT_wchar_t *comspec, *fullcmd;
1073 static const MSVCRT_wchar_t flag[] = {' ','/','c',' ',0};
1075 TRACE("(command=%s, mode=%s)\n", debugstr_w(command), debugstr_w(mode));
1077 if (!command || !mode)
1080 textmode = *__p__fmode() & (MSVCRT__O_BINARY | MSVCRT__O_TEXT);
1081 for (p = mode; *p; p++)
1091 textmode |= MSVCRT__O_BINARY;
1092 textmode &= ~MSVCRT__O_TEXT;
1096 textmode |= MSVCRT__O_TEXT;
1097 textmode &= ~MSVCRT__O_BINARY;
1101 if (MSVCRT__pipe(fds, 0, textmode) == -1)
1104 fdToDup = readPipe ? 1 : 0;
1105 fdToOpen = readPipe ? 0 : 1;
1107 if ((fdStdHandle = MSVCRT__dup(fdToDup)) == -1)
1109 if (MSVCRT__dup2(fds[fdToDup], fdToDup) != 0)
1113 if ((fdStdErr = MSVCRT__dup(MSVCRT_STDERR_FILENO)) == -1)
1115 if (MSVCRT__dup2(fds[fdToDup], MSVCRT_STDERR_FILENO) != 0)
1119 MSVCRT__close(fds[fdToDup]);
1121 if (!(comspec = msvcrt_get_comspec())) goto error;
1122 len = strlenW(comspec) + strlenW(flag) + strlenW(command) + 1;
1124 if (!(fullcmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(MSVCRT_wchar_t)))) goto error;
1125 strcpyW(fullcmd, comspec);
1126 strcatW(fullcmd, flag);
1127 strcatW(fullcmd, command);
1129 if (msvcrt_spawn(MSVCRT__P_NOWAIT, comspec, fullcmd, NULL, 1) == -1)
1131 MSVCRT__close(fds[fdToOpen]);
1136 ret = MSVCRT__wfdopen(fds[fdToOpen], mode);
1138 MSVCRT__close(fds[fdToOpen]);
1140 HeapFree(GetProcessHeap(), 0, comspec);
1141 HeapFree(GetProcessHeap(), 0, fullcmd);
1142 MSVCRT__dup2(fdStdHandle, fdToDup);
1143 MSVCRT__close(fdStdHandle);
1146 MSVCRT__dup2(fdStdErr, MSVCRT_STDERR_FILENO);
1147 MSVCRT__close(fdStdErr);
1152 if (fdStdHandle != -1) MSVCRT__close(fdStdHandle);
1153 if (fdStdErr != -1) MSVCRT__close(fdStdErr);
1154 MSVCRT__close(fds[0]);
1155 MSVCRT__close(fds[1]);
1159 /*********************************************************************
1162 MSVCRT_FILE* CDECL MSVCRT__popen(const char* command, const char* mode)
1165 MSVCRT_wchar_t *cmdW, *modeW;
1167 TRACE("(command=%s, mode=%s)\n", debugstr_a(command), debugstr_a(mode));
1169 if (!command || !mode)
1172 if (!(cmdW = msvcrt_wstrdupa(command))) return NULL;
1173 if (!(modeW = msvcrt_wstrdupa(mode)))
1175 HeapFree(GetProcessHeap(), 0, cmdW);
1179 ret = MSVCRT__wpopen(cmdW, modeW);
1181 HeapFree(GetProcessHeap(), 0, cmdW);
1182 HeapFree(GetProcessHeap(), 0, modeW);
1186 /*********************************************************************
1187 * _pclose (MSVCRT.@)
1189 int CDECL MSVCRT__pclose(MSVCRT_FILE* file)
1191 return MSVCRT_fclose(file);
1194 /*********************************************************************
1195 * _wsystem (MSVCRT.@)
1197 * Unicode version of system
1199 int CDECL _wsystem(const MSVCRT_wchar_t* cmd)
1202 MSVCRT_wchar_t *comspec, *fullcmd;
1204 static const MSVCRT_wchar_t flag[] = {' ','/','c',' ',0};
1206 if (!(comspec = msvcrt_get_comspec())) return -1;
1207 len = strlenW(comspec) + strlenW(flag) + strlenW(cmd) + 1;
1209 if (!(fullcmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(MSVCRT_wchar_t))))
1211 HeapFree(GetProcessHeap(), 0, comspec);
1214 strcpyW(fullcmd, comspec);
1215 strcatW(fullcmd, flag);
1216 strcatW(fullcmd, cmd);
1218 res = msvcrt_spawn(MSVCRT__P_WAIT, comspec, fullcmd, NULL, 1);
1220 HeapFree(GetProcessHeap(), 0, comspec);
1221 HeapFree(GetProcessHeap(), 0, fullcmd);
1225 /*********************************************************************
1228 int CDECL MSVCRT_system(const char* cmd)
1231 MSVCRT_wchar_t *cmdW;
1233 if ((cmdW = msvcrt_wstrdupa(cmd)))
1235 res = _wsystem(cmdW);
1236 HeapFree(GetProcessHeap(), 0, cmdW);
1241 /*********************************************************************
1242 * _loaddll (MSVCRT.@)
1244 MSVCRT_intptr_t CDECL _loaddll(const char* dllname)
1246 return (MSVCRT_intptr_t)LoadLibraryA(dllname);
1249 /*********************************************************************
1250 * _unloaddll (MSVCRT.@)
1252 int CDECL _unloaddll(MSVCRT_intptr_t dll)
1254 if (FreeLibrary((HMODULE)dll))
1258 int err = GetLastError();
1259 msvcrt_set_errno(err);
1264 /*********************************************************************
1265 * _getdllprocaddr (MSVCRT.@)
1267 void * CDECL _getdllprocaddr(MSVCRT_intptr_t dll, const char *name, int ordinal)
1271 if (ordinal != -1) return NULL;
1272 return GetProcAddress( (HMODULE)dll, name );
1274 if (HIWORD(ordinal)) return NULL;
1275 return GetProcAddress( (HMODULE)dll, (LPCSTR)(ULONG_PTR)ordinal );