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
35 #include "wine/debug.h"
36 #include "wine/unicode.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt
);
40 static void msvcrt_search_executable(const MSVCRT_wchar_t
*name
, MSVCRT_wchar_t
*fullname
, int use_path
)
42 static const MSVCRT_wchar_t path
[] = {'P','A','T','H',0};
43 static const MSVCRT_wchar_t suffix
[][5] =
44 {{'.','c','o','m',0}, {'.','e','x','e',0}, {'.','b','a','t',0}, {'.','c','m','d',0}};
46 MSVCRT_wchar_t buffer
[MAX_PATH
];
47 const MSVCRT_wchar_t
*env
, *p
;
48 unsigned int i
, name_len
, path_len
;
52 msvcrt_set_errno(ERROR_FILE_NOT_FOUND
);
54 p
= memchrW(name
, '\0', MAX_PATH
);
55 if (!p
) p
= name
+ MAX_PATH
- 1;
58 /* FIXME extra-long names are silently truncated */
59 memcpy(buffer
, name
, name_len
* sizeof(MSVCRT_wchar_t
));
60 buffer
[name_len
] = '\0';
62 /* try current dir first */
63 if (GetFileAttributesW(buffer
) != INVALID_FILE_ATTRIBUTES
)
65 strcpyW(fullname
, buffer
);
69 for (p
--; p
>= name
; p
--)
70 if (*p
== '\\' || *p
== '/' || *p
== ':' || *p
== '.') break;
72 /* if there's no extension, try some well-known extensions */
73 if ((p
< name
|| *p
!= '.') && name_len
<= MAX_PATH
- 5)
75 for (i
= 0; i
< 4; i
++)
77 memcpy(buffer
+ name_len
, suffix
[i
], 5 * sizeof(MSVCRT_wchar_t
));
78 if (GetFileAttributesW(buffer
) != INVALID_FILE_ATTRIBUTES
)
80 strcpyW(fullname
, buffer
);
87 if (!use_path
|| !(env
= MSVCRT__wgetenv(path
))) return;
89 /* now try search path */
93 while (*p
&& *p
!= ';') p
++;
97 if (path_len
+ name_len
<= MAX_PATH
- 2)
99 memcpy(buffer
, env
, path_len
* sizeof(MSVCRT_wchar_t
));
100 if (buffer
[path_len
] != '/' && buffer
[path_len
] != '\\')
102 buffer
[path_len
++] = '\\';
103 buffer
[path_len
] = '\0';
105 else buffer
[path_len
] = '\0';
107 strcatW(buffer
, name
);
108 if (GetFileAttributesW(buffer
) != INVALID_FILE_ATTRIBUTES
)
110 strcpyW(fullname
, buffer
);
114 /* again, if there's no extension, try some well-known extensions */
115 if (!extension
&& path_len
+ name_len
<= MAX_PATH
- 5)
117 for (i
= 0; i
< 4; i
++)
119 memcpy(buffer
+ path_len
+ name_len
, suffix
[i
], 5 * sizeof(MSVCRT_wchar_t
));
120 if (GetFileAttributesW(buffer
) != INVALID_FILE_ATTRIBUTES
)
122 strcpyW(fullname
, buffer
);
127 env
= *p
? p
+ 1 : p
;
131 static MSVCRT_intptr_t
msvcrt_spawn(int flags
, const MSVCRT_wchar_t
* exe
, MSVCRT_wchar_t
* cmdline
,
132 MSVCRT_wchar_t
* env
, int use_path
)
135 PROCESS_INFORMATION pi
;
136 MSVCRT_wchar_t fullname
[MAX_PATH
];
137 DWORD create_flags
= CREATE_UNICODE_ENVIRONMENT
;
139 TRACE("%x %s %s %s %d\n", flags
, debugstr_w(exe
), debugstr_w(cmdline
), debugstr_w(env
), use_path
);
141 if ((unsigned)flags
> MSVCRT__P_DETACH
)
143 *MSVCRT__errno() = MSVCRT_EINVAL
;
147 msvcrt_search_executable(exe
, fullname
, use_path
);
149 memset(&si
, 0, sizeof(si
));
151 msvcrt_create_io_inherit_block(&si
.cbReserved2
, &si
.lpReserved2
);
152 if (flags
== MSVCRT__P_DETACH
) create_flags
|= DETACHED_PROCESS
;
153 if (!CreateProcessW(fullname
, cmdline
, NULL
, NULL
, TRUE
,
154 create_flags
, env
, NULL
, &si
, &pi
))
156 msvcrt_set_errno(GetLastError());
157 MSVCRT_free(si
.lpReserved2
);
161 MSVCRT_free(si
.lpReserved2
);
165 WaitForSingleObject(pi
.hProcess
, INFINITE
);
166 GetExitCodeProcess(pi
.hProcess
,&pi
.dwProcessId
);
167 CloseHandle(pi
.hProcess
);
168 CloseHandle(pi
.hThread
);
169 return pi
.dwProcessId
;
170 case MSVCRT__P_DETACH
:
171 CloseHandle(pi
.hProcess
);
174 case MSVCRT__P_NOWAIT
:
175 case MSVCRT__P_NOWAITO
:
176 CloseHandle(pi
.hThread
);
177 return (MSVCRT_intptr_t
)pi
.hProcess
;
178 case MSVCRT__P_OVERLAY
:
181 return -1; /* can't reach here */
184 /* INTERNAL: Convert wide argv list to a single 'delim'-separated wide string, with an
185 * extra '\0' to terminate it.
187 static MSVCRT_wchar_t
* msvcrt_argvtos(const MSVCRT_wchar_t
* const* arg
, MSVCRT_wchar_t delim
)
189 const MSVCRT_wchar_t
* const* a
;
196 /* Return NULL for an empty environment list */
205 size
+= strlenW(*a
) + 1;
209 ret
= MSVCRT_malloc((size
+ 1) * sizeof(MSVCRT_wchar_t
));
218 int len
= strlenW(*a
);
219 memcpy(p
,*a
,len
* sizeof(MSVCRT_wchar_t
));
224 if (delim
&& p
> ret
) p
[-1] = 0;
229 /* INTERNAL: Convert ansi argv list to a single 'delim'-separated wide string, with an
230 * extra '\0' to terminate it.
232 static MSVCRT_wchar_t
*msvcrt_argvtos_aw(const char * const *arg
, MSVCRT_wchar_t delim
)
234 const char * const *a
;
236 MSVCRT_wchar_t
*p
, *ret
;
240 /* Return NULL for an empty environment list */
249 len
+= MultiByteToWideChar(CP_ACP
, 0, *a
, -1, NULL
, 0);
253 ret
= MSVCRT_malloc((len
+ 1) * sizeof(MSVCRT_wchar_t
));
262 p
+= MultiByteToWideChar(CP_ACP
, 0, *a
, strlen(*a
), p
, len
- (p
- ret
));
266 if (delim
&& p
> ret
) p
[-1] = 0;
271 /* INTERNAL: Convert wide va_list to a single 'delim'-separated wide string, with an
272 * extra '\0' to terminate it.
274 static MSVCRT_wchar_t
*msvcrt_valisttos(const MSVCRT_wchar_t
*arg0
, __ms_va_list alist
, MSVCRT_wchar_t delim
)
276 unsigned int size
= 0, pos
= 0;
277 const MSVCRT_wchar_t
*arg
;
278 MSVCRT_wchar_t
*new, *ret
= NULL
;
280 for (arg
= arg0
; arg
; arg
= va_arg( alist
, MSVCRT_wchar_t
* ))
282 unsigned int len
= strlenW( arg
) + 1;
283 if (pos
+ len
>= size
)
285 size
= max( 256, size
* 2 );
286 size
= max( size
, pos
+ len
+ 1 );
287 if (!(new = MSVCRT_realloc( ret
, size
* sizeof(MSVCRT_wchar_t
) )))
294 strcpyW( ret
+ pos
, arg
);
296 ret
[pos
- 1] = delim
;
300 if (delim
) ret
[pos
- 1] = 0;
306 /* INTERNAL: Convert ansi va_list to a single 'delim'-separated wide string, with an
307 * extra '\0' to terminate it.
309 static MSVCRT_wchar_t
*msvcrt_valisttos_aw(const char *arg0
, __ms_va_list alist
, MSVCRT_wchar_t delim
)
311 unsigned int size
= 0, pos
= 0;
313 MSVCRT_wchar_t
*new, *ret
= NULL
;
315 for (arg
= arg0
; arg
; arg
= va_arg( alist
, char * ))
317 unsigned int len
= MultiByteToWideChar( CP_ACP
, 0, arg
, -1, NULL
, 0 );
318 if (pos
+ len
>= size
)
320 size
= max( 256, size
* 2 );
321 size
= max( size
, pos
+ len
+ 1 );
322 if (!(new = MSVCRT_realloc( ret
, size
* sizeof(MSVCRT_wchar_t
) )))
329 pos
+= MultiByteToWideChar( CP_ACP
, 0, arg
, -1, ret
+ pos
, size
- pos
);
330 ret
[pos
- 1] = delim
;
334 if (delim
) ret
[pos
- 1] = 0;
340 /* INTERNAL: retrieve COMSPEC environment variable */
341 static MSVCRT_wchar_t
*msvcrt_get_comspec(void)
343 static const MSVCRT_wchar_t cmd
[] = {'c','m','d',0};
344 static const MSVCRT_wchar_t comspec
[] = {'C','O','M','S','P','E','C',0};
348 if (!(len
= GetEnvironmentVariableW(comspec
, NULL
, 0))) len
= ARRAY_SIZE(cmd
);
349 if ((ret
= HeapAlloc(GetProcessHeap(), 0, len
* sizeof(MSVCRT_wchar_t
))))
351 if (!GetEnvironmentVariableW(comspec
, ret
, len
)) strcpyW(ret
, cmd
);
356 /*********************************************************************
359 MSVCRT_intptr_t CDECL
_cwait(int *status
, MSVCRT_intptr_t pid
, int action
)
361 HANDLE hPid
= (HANDLE
)pid
;
364 if (!WaitForSingleObject(hPid
, INFINITE
))
369 GetExitCodeProcess(hPid
, &stat
);
374 doserrno
= GetLastError();
376 if (doserrno
== ERROR_INVALID_HANDLE
)
378 *MSVCRT__errno() = MSVCRT_ECHILD
;
379 *MSVCRT___doserrno() = doserrno
;
382 msvcrt_set_errno(doserrno
);
384 return status
? *status
= -1 : -1;
387 /*********************************************************************
390 * Unicode version of _execl
392 MSVCRT_intptr_t WINAPIV
_wexecl(const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* arg0
, ...)
395 MSVCRT_wchar_t
*args
;
398 __ms_va_start(ap
, arg0
);
399 args
= msvcrt_valisttos(arg0
, ap
, ' ');
402 ret
= msvcrt_spawn(MSVCRT__P_OVERLAY
, name
, args
, NULL
, 0);
408 /*********************************************************************
411 * Like on Windows, this function does not handle arguments with spaces
414 MSVCRT_intptr_t WINAPIV
_execl(const char* name
, const char* arg0
, ...)
417 MSVCRT_wchar_t
*nameW
, *args
;
420 if (!(nameW
= msvcrt_wstrdupa(name
))) return -1;
422 __ms_va_start(ap
, arg0
);
423 args
= msvcrt_valisttos_aw(arg0
, ap
, ' ');
426 ret
= msvcrt_spawn(MSVCRT__P_OVERLAY
, nameW
, args
, NULL
, 0);
433 /*********************************************************************
434 * _wexecle (MSVCRT.@)
436 * Unicode version of _execle
438 MSVCRT_intptr_t WINAPIV
_wexecle(const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* arg0
, ...)
441 MSVCRT_wchar_t
*args
, *envs
= NULL
;
442 const MSVCRT_wchar_t
* const *envp
;
445 __ms_va_start(ap
, arg0
);
446 args
= msvcrt_valisttos(arg0
, ap
, ' ');
449 __ms_va_start(ap
, arg0
);
450 while (va_arg( ap
, MSVCRT_wchar_t
* ) != NULL
) /*nothing*/;
451 envp
= va_arg( ap
, const MSVCRT_wchar_t
* const * );
452 if (envp
) envs
= msvcrt_argvtos(envp
, 0);
455 ret
= msvcrt_spawn(MSVCRT__P_OVERLAY
, name
, args
, envs
, 0);
462 /*********************************************************************
465 MSVCRT_intptr_t WINAPIV
_execle(const char* name
, const char* arg0
, ...)
468 MSVCRT_wchar_t
*nameW
, *args
, *envs
= NULL
;
469 const char * const *envp
;
472 if (!(nameW
= msvcrt_wstrdupa(name
))) return -1;
474 __ms_va_start(ap
, arg0
);
475 args
= msvcrt_valisttos_aw(arg0
, ap
, ' ');
478 __ms_va_start(ap
, arg0
);
479 while (va_arg( ap
, char * ) != NULL
) /*nothing*/;
480 envp
= va_arg( ap
, const char * const * );
481 if (envp
) envs
= msvcrt_argvtos_aw(envp
, 0);
484 ret
= msvcrt_spawn(MSVCRT__P_OVERLAY
, nameW
, args
, envs
, 0);
492 /*********************************************************************
493 * _wexeclp (MSVCRT.@)
495 * Unicode version of _execlp
497 MSVCRT_intptr_t WINAPIV
_wexeclp(const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* arg0
, ...)
500 MSVCRT_wchar_t
*args
;
503 __ms_va_start(ap
, arg0
);
504 args
= msvcrt_valisttos(arg0
, ap
, ' ');
507 ret
= msvcrt_spawn(MSVCRT__P_OVERLAY
, name
, args
, NULL
, 1);
513 /*********************************************************************
516 * Like on Windows, this function does not handle arguments with spaces
519 MSVCRT_intptr_t WINAPIV
_execlp(const char* name
, const char* arg0
, ...)
522 MSVCRT_wchar_t
*nameW
, *args
;
525 if (!(nameW
= msvcrt_wstrdupa(name
))) return -1;
527 __ms_va_start(ap
, arg0
);
528 args
= msvcrt_valisttos_aw(arg0
, ap
, ' ');
531 ret
= msvcrt_spawn(MSVCRT__P_OVERLAY
, nameW
, args
, NULL
, 1);
538 /*********************************************************************
539 * _wexeclpe (MSVCRT.@)
541 * Unicode version of _execlpe
543 MSVCRT_intptr_t WINAPIV
_wexeclpe(const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* arg0
, ...)
546 MSVCRT_wchar_t
*args
, *envs
= NULL
;
547 const MSVCRT_wchar_t
* const *envp
;
550 __ms_va_start(ap
, arg0
);
551 args
= msvcrt_valisttos(arg0
, ap
, ' ');
554 __ms_va_start(ap
, arg0
);
555 while (va_arg( ap
, MSVCRT_wchar_t
* ) != NULL
) /*nothing*/;
556 envp
= va_arg( ap
, const MSVCRT_wchar_t
* const * );
557 if (envp
) envs
= msvcrt_argvtos(envp
, 0);
560 ret
= msvcrt_spawn(MSVCRT__P_OVERLAY
, name
, args
, envs
, 1);
567 /*********************************************************************
568 * _execlpe (MSVCRT.@)
570 MSVCRT_intptr_t WINAPIV
_execlpe(const char* name
, const char* arg0
, ...)
573 MSVCRT_wchar_t
*nameW
, *args
, *envs
= NULL
;
574 const char * const *envp
;
577 if (!(nameW
= msvcrt_wstrdupa(name
))) return -1;
579 __ms_va_start(ap
, arg0
);
580 args
= msvcrt_valisttos_aw(arg0
, ap
, ' ');
583 __ms_va_start(ap
, arg0
);
584 while (va_arg( ap
, char * ) != NULL
) /*nothing*/;
585 envp
= va_arg( ap
, const char * const * );
586 if (envp
) envs
= msvcrt_argvtos_aw(envp
, 0);
589 ret
= msvcrt_spawn(MSVCRT__P_OVERLAY
, nameW
, args
, envs
, 1);
597 /*********************************************************************
600 * Unicode version of _execv
602 MSVCRT_intptr_t CDECL
_wexecv(const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* const* argv
)
604 return MSVCRT__wspawnve(MSVCRT__P_OVERLAY
, name
, argv
, NULL
);
607 /*********************************************************************
610 * Like on Windows, this function does not handle arguments with spaces
613 MSVCRT_intptr_t CDECL
_execv(const char* name
, const char* const* argv
)
615 return MSVCRT__spawnve(MSVCRT__P_OVERLAY
, name
, argv
, NULL
);
618 /*********************************************************************
619 * _wexecve (MSVCRT.@)
621 * Unicode version of _execve
623 MSVCRT_intptr_t CDECL
_wexecve(const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* const* argv
, const MSVCRT_wchar_t
* const* envv
)
625 return MSVCRT__wspawnve(MSVCRT__P_OVERLAY
, name
, argv
, envv
);
628 /*********************************************************************
631 * Like on Windows, this function does not handle arguments with spaces
634 MSVCRT_intptr_t CDECL
MSVCRT__execve(const char* name
, const char* const* argv
, const char* const* envv
)
636 return MSVCRT__spawnve(MSVCRT__P_OVERLAY
, name
, argv
, envv
);
639 /*********************************************************************
640 * _wexecvpe (MSVCRT.@)
642 * Unicode version of _execvpe
644 MSVCRT_intptr_t CDECL
_wexecvpe(const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* const* argv
, const MSVCRT_wchar_t
* const* envv
)
646 return MSVCRT__wspawnvpe(MSVCRT__P_OVERLAY
, name
, argv
, envv
);
649 /*********************************************************************
650 * _execvpe (MSVCRT.@)
652 * Like on Windows, this function does not handle arguments with spaces
655 MSVCRT_intptr_t CDECL
_execvpe(const char* name
, const char* const* argv
, const char* const* envv
)
657 return MSVCRT__spawnvpe(MSVCRT__P_OVERLAY
, name
, argv
, envv
);
660 /*********************************************************************
661 * _wexecvp (MSVCRT.@)
663 * Unicode version of _execvp
665 MSVCRT_intptr_t CDECL
_wexecvp(const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* const* argv
)
667 return _wexecvpe(name
, argv
, NULL
);
670 /*********************************************************************
673 * Like on Windows, this function does not handle arguments with spaces
676 MSVCRT_intptr_t CDECL
_execvp(const char* name
, const char* const* argv
)
678 return _execvpe(name
, argv
, NULL
);
681 /*********************************************************************
682 * _wspawnl (MSVCRT.@)
684 * Unicode version of _spawnl
686 MSVCRT_intptr_t WINAPIV
_wspawnl(int flags
, const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* arg0
, ...)
689 MSVCRT_wchar_t
*args
;
692 __ms_va_start(ap
, arg0
);
693 args
= msvcrt_valisttos(arg0
, ap
, ' ');
696 ret
= msvcrt_spawn(flags
, name
, args
, NULL
, 0);
702 /*********************************************************************
705 * Like on Windows, this function does not handle arguments with spaces
708 MSVCRT_intptr_t WINAPIV
_spawnl(int flags
, const char* name
, const char* arg0
, ...)
711 MSVCRT_wchar_t
*nameW
, *args
;
714 if (!(nameW
= msvcrt_wstrdupa(name
))) return -1;
716 __ms_va_start(ap
, arg0
);
717 args
= msvcrt_valisttos_aw(arg0
, ap
, ' ');
720 ret
= msvcrt_spawn(flags
, nameW
, args
, NULL
, 0);
727 /*********************************************************************
728 * _wspawnle (MSVCRT.@)
730 * Unicode version of _spawnle
732 MSVCRT_intptr_t WINAPIV
_wspawnle(int flags
, const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* arg0
, ...)
735 MSVCRT_wchar_t
*args
, *envs
= NULL
;
736 const MSVCRT_wchar_t
* const *envp
;
739 __ms_va_start(ap
, arg0
);
740 args
= msvcrt_valisttos(arg0
, ap
, ' ');
743 __ms_va_start(ap
, arg0
);
744 while (va_arg( ap
, MSVCRT_wchar_t
* ) != NULL
) /*nothing*/;
745 envp
= va_arg( ap
, const MSVCRT_wchar_t
* const * );
746 if (envp
) envs
= msvcrt_argvtos(envp
, 0);
749 ret
= msvcrt_spawn(flags
, name
, args
, envs
, 0);
756 /*********************************************************************
757 * _spawnle (MSVCRT.@)
759 MSVCRT_intptr_t WINAPIV
_spawnle(int flags
, const char* name
, const char* arg0
, ...)
762 MSVCRT_wchar_t
*nameW
, *args
, *envs
= NULL
;
763 const char * const *envp
;
766 if (!(nameW
= msvcrt_wstrdupa(name
))) return -1;
768 __ms_va_start(ap
, arg0
);
769 args
= msvcrt_valisttos_aw(arg0
, ap
, ' ');
772 __ms_va_start(ap
, arg0
);
773 while (va_arg( ap
, char * ) != NULL
) /*nothing*/;
774 envp
= va_arg( ap
, const char * const * );
775 if (envp
) envs
= msvcrt_argvtos_aw(envp
, 0);
778 ret
= msvcrt_spawn(flags
, nameW
, args
, envs
, 0);
786 /*********************************************************************
787 * _wspawnlp (MSVCRT.@)
789 * Unicode version of _spawnlp
791 MSVCRT_intptr_t WINAPIV
_wspawnlp(int flags
, const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* arg0
, ...)
794 MSVCRT_wchar_t
*args
;
797 __ms_va_start(ap
, arg0
);
798 args
= msvcrt_valisttos(arg0
, ap
, ' ');
801 ret
= msvcrt_spawn(flags
, name
, args
, NULL
, 1);
807 /*********************************************************************
808 * _spawnlp (MSVCRT.@)
810 * Like on Windows, this function does not handle arguments with spaces
813 MSVCRT_intptr_t WINAPIV
_spawnlp(int flags
, const char* name
, const char* arg0
, ...)
816 MSVCRT_wchar_t
*nameW
, *args
;
819 if (!(nameW
= msvcrt_wstrdupa(name
))) return -1;
821 __ms_va_start(ap
, arg0
);
822 args
= msvcrt_valisttos_aw(arg0
, ap
, ' ');
825 ret
= msvcrt_spawn(flags
, nameW
, args
, NULL
, 1);
832 /*********************************************************************
833 * _wspawnlpe (MSVCRT.@)
835 * Unicode version of _spawnlpe
837 MSVCRT_intptr_t WINAPIV
_wspawnlpe(int flags
, const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* arg0
, ...)
840 MSVCRT_wchar_t
*args
, *envs
= NULL
;
841 const MSVCRT_wchar_t
* const *envp
;
844 __ms_va_start(ap
, arg0
);
845 args
= msvcrt_valisttos(arg0
, ap
, ' ');
848 __ms_va_start(ap
, arg0
);
849 while (va_arg( ap
, MSVCRT_wchar_t
* ) != NULL
) /*nothing*/;
850 envp
= va_arg( ap
, const MSVCRT_wchar_t
* const * );
851 if (envp
) envs
= msvcrt_argvtos(envp
, 0);
854 ret
= msvcrt_spawn(flags
, name
, args
, envs
, 1);
861 /*********************************************************************
862 * _spawnlpe (MSVCRT.@)
864 MSVCRT_intptr_t WINAPIV
_spawnlpe(int flags
, const char* name
, const char* arg0
, ...)
867 MSVCRT_wchar_t
*nameW
, *args
, *envs
= NULL
;
868 const char * const *envp
;
871 if (!(nameW
= msvcrt_wstrdupa(name
))) return -1;
873 __ms_va_start(ap
, arg0
);
874 args
= msvcrt_valisttos_aw(arg0
, ap
, ' ');
877 __ms_va_start(ap
, arg0
);
878 while (va_arg( ap
, char * ) != NULL
) /*nothing*/;
879 envp
= va_arg( ap
, const char * const * );
880 if (envp
) envs
= msvcrt_argvtos_aw(envp
, 0);
883 ret
= msvcrt_spawn(flags
, nameW
, args
, envs
, 1);
891 /*********************************************************************
892 * _spawnve (MSVCRT.@)
894 * Like on Windows, this function does not handle arguments with spaces
897 MSVCRT_intptr_t CDECL
MSVCRT__spawnve(int flags
, const char* name
, const char* const* argv
,
898 const char* const* envv
)
900 MSVCRT_wchar_t
*nameW
, *args
, *envs
;
903 if (!(nameW
= msvcrt_wstrdupa(name
))) return -1;
905 args
= msvcrt_argvtos_aw(argv
, ' ');
906 envs
= msvcrt_argvtos_aw(envv
, 0);
908 ret
= msvcrt_spawn(flags
, nameW
, args
, envs
, 0);
916 /*********************************************************************
917 * _wspawnve (MSVCRT.@)
919 * Unicode version of _spawnve
921 MSVCRT_intptr_t CDECL
MSVCRT__wspawnve(int flags
, const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* const* argv
,
922 const MSVCRT_wchar_t
* const* envv
)
924 MSVCRT_wchar_t
*args
, *envs
;
927 args
= msvcrt_argvtos(argv
, ' ');
928 envs
= msvcrt_argvtos(envv
, 0);
930 ret
= msvcrt_spawn(flags
, name
, args
, envs
, 0);
937 /*********************************************************************
940 * Like on Windows, this function does not handle arguments with spaces
943 MSVCRT_intptr_t CDECL
_spawnv(int flags
, const char* name
, const char* const* argv
)
945 return MSVCRT__spawnve(flags
, name
, argv
, NULL
);
948 /*********************************************************************
949 * _wspawnv (MSVCRT.@)
951 * Unicode version of _spawnv
953 MSVCRT_intptr_t CDECL
_wspawnv(int flags
, const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* const* argv
)
955 return MSVCRT__wspawnve(flags
, name
, argv
, NULL
);
958 /*********************************************************************
959 * _spawnvpe (MSVCRT.@)
961 * Like on Windows, this function does not handle arguments with spaces
964 MSVCRT_intptr_t CDECL
MSVCRT__spawnvpe(int flags
, const char* name
, const char* const* argv
,
965 const char* const* envv
)
967 MSVCRT_wchar_t
*nameW
, *args
, *envs
;
970 if (!(nameW
= msvcrt_wstrdupa(name
))) return -1;
972 args
= msvcrt_argvtos_aw(argv
, ' ');
973 envs
= msvcrt_argvtos_aw(envv
, 0);
975 ret
= msvcrt_spawn(flags
, nameW
, args
, envs
, 1);
983 /*********************************************************************
984 * _wspawnvpe (MSVCRT.@)
986 * Unicode version of _spawnvpe
988 MSVCRT_intptr_t CDECL
MSVCRT__wspawnvpe(int flags
, const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* const* argv
,
989 const MSVCRT_wchar_t
* const* envv
)
991 MSVCRT_wchar_t
*args
, *envs
;
994 args
= msvcrt_argvtos(argv
, ' ');
995 envs
= msvcrt_argvtos(envv
, 0);
997 ret
= msvcrt_spawn(flags
, name
, args
, envs
, 1);
1004 /*********************************************************************
1005 * _spawnvp (MSVCRT.@)
1007 * Like on Windows, this function does not handle arguments with spaces
1010 MSVCRT_intptr_t CDECL
_spawnvp(int flags
, const char* name
, const char* const* argv
)
1012 return MSVCRT__spawnvpe(flags
, name
, argv
, NULL
);
1015 /*********************************************************************
1016 * _wspawnvp (MSVCRT.@)
1018 * Unicode version of _spawnvp
1020 MSVCRT_intptr_t CDECL
_wspawnvp(int flags
, const MSVCRT_wchar_t
* name
, const MSVCRT_wchar_t
* const* argv
)
1022 return MSVCRT__wspawnvpe(flags
, name
, argv
, NULL
);
1025 static struct popen_handle
{
1029 static DWORD popen_handles_size
;
1031 void msvcrt_free_popen_data(void)
1033 MSVCRT_free(popen_handles
);
1036 /*********************************************************************
1037 * _wpopen (MSVCRT.@)
1039 * Unicode version of _popen
1041 MSVCRT_FILE
* CDECL
MSVCRT__wpopen(const MSVCRT_wchar_t
* command
, const MSVCRT_wchar_t
* mode
)
1044 BOOL readPipe
= TRUE
;
1045 int textmode
, fds
[2], fdToDup
, fdToOpen
, fdStdHandle
= -1;
1046 const MSVCRT_wchar_t
*p
;
1047 MSVCRT_wchar_t
*comspec
, *fullcmd
;
1049 static const MSVCRT_wchar_t flag
[] = {' ','/','c',' ',0};
1050 struct popen_handle
*container
;
1053 TRACE("(command=%s, mode=%s)\n", debugstr_w(command
), debugstr_w(mode
));
1055 if (!command
|| !mode
)
1058 textmode
= *MSVCRT___p__fmode() & (MSVCRT__O_BINARY
| MSVCRT__O_TEXT
);
1059 for (p
= mode
; *p
; p
++)
1069 textmode
|= MSVCRT__O_BINARY
;
1070 textmode
&= ~MSVCRT__O_TEXT
;
1074 textmode
|= MSVCRT__O_TEXT
;
1075 textmode
&= ~MSVCRT__O_BINARY
;
1079 if (MSVCRT__pipe(fds
, 0, textmode
) == -1)
1082 fdToDup
= readPipe
? 1 : 0;
1083 fdToOpen
= readPipe
? 0 : 1;
1085 _mlock(_POPEN_LOCK
);
1086 for(i
=0; i
<popen_handles_size
; i
++)
1088 if (!popen_handles
[i
].f
)
1091 if (i
==popen_handles_size
)
1093 i
= (popen_handles_size
? popen_handles_size
*2 : 8);
1094 container
= MSVCRT_realloc(popen_handles
, i
*sizeof(*container
));
1095 if (!container
) goto error
;
1097 popen_handles
= container
;
1098 container
= popen_handles
+popen_handles_size
;
1099 memset(container
, 0, (i
-popen_handles_size
)*sizeof(*container
));
1100 popen_handles_size
= i
;
1102 else container
= popen_handles
+i
;
1104 if ((fdStdHandle
= MSVCRT__dup(fdToDup
)) == -1)
1106 if (MSVCRT__dup2(fds
[fdToDup
], fdToDup
) != 0)
1109 MSVCRT__close(fds
[fdToDup
]);
1111 if (!(comspec
= msvcrt_get_comspec())) goto error
;
1112 len
= strlenW(comspec
) + strlenW(flag
) + strlenW(command
) + 1;
1114 if (!(fullcmd
= HeapAlloc(GetProcessHeap(), 0, len
* sizeof(MSVCRT_wchar_t
))))
1116 HeapFree(GetProcessHeap(), 0, comspec
);
1120 strcpyW(fullcmd
, comspec
);
1121 strcatW(fullcmd
, flag
);
1122 strcatW(fullcmd
, command
);
1124 if ((container
->proc
= (HANDLE
)msvcrt_spawn(MSVCRT__P_NOWAIT
, comspec
, fullcmd
, NULL
, 1))
1125 == INVALID_HANDLE_VALUE
)
1127 MSVCRT__close(fds
[fdToOpen
]);
1132 ret
= MSVCRT__wfdopen(fds
[fdToOpen
], mode
);
1134 MSVCRT__close(fds
[fdToOpen
]);
1137 _munlock(_POPEN_LOCK
);
1138 HeapFree(GetProcessHeap(), 0, comspec
);
1139 HeapFree(GetProcessHeap(), 0, fullcmd
);
1140 MSVCRT__dup2(fdStdHandle
, fdToDup
);
1141 MSVCRT__close(fdStdHandle
);
1145 _munlock(_POPEN_LOCK
);
1146 if (fdStdHandle
!= -1) MSVCRT__close(fdStdHandle
);
1147 MSVCRT__close(fds
[0]);
1148 MSVCRT__close(fds
[1]);
1152 /*********************************************************************
1155 MSVCRT_FILE
* CDECL
MSVCRT__popen(const char* command
, const char* mode
)
1158 MSVCRT_wchar_t
*cmdW
, *modeW
;
1160 TRACE("(command=%s, mode=%s)\n", debugstr_a(command
), debugstr_a(mode
));
1162 if (!command
|| !mode
)
1165 if (!(cmdW
= msvcrt_wstrdupa(command
))) return NULL
;
1166 if (!(modeW
= msvcrt_wstrdupa(mode
)))
1168 HeapFree(GetProcessHeap(), 0, cmdW
);
1172 ret
= MSVCRT__wpopen(cmdW
, modeW
);
1174 HeapFree(GetProcessHeap(), 0, cmdW
);
1175 HeapFree(GetProcessHeap(), 0, modeW
);
1179 /*********************************************************************
1180 * _pclose (MSVCRT.@)
1182 int CDECL
MSVCRT__pclose(MSVCRT_FILE
* file
)
1187 if (!MSVCRT_CHECK_PMT(file
!= NULL
)) return -1;
1189 _mlock(_POPEN_LOCK
);
1190 for(i
=0; i
<popen_handles_size
; i
++)
1192 if (popen_handles
[i
].f
== file
)
1195 if(i
== popen_handles_size
)
1197 _munlock(_POPEN_LOCK
);
1198 *MSVCRT__errno() = MSVCRT_EBADF
;
1202 h
= popen_handles
[i
].proc
;
1203 popen_handles
[i
].f
= NULL
;
1204 _munlock(_POPEN_LOCK
);
1206 MSVCRT_fclose(file
);
1207 if(WaitForSingleObject(h
, INFINITE
)==WAIT_FAILED
|| !GetExitCodeProcess(h
, &i
))
1209 msvcrt_set_errno(GetLastError());
1218 /*********************************************************************
1219 * _wsystem (MSVCRT.@)
1221 * Unicode version of system
1223 int CDECL
_wsystem(const MSVCRT_wchar_t
* cmd
)
1226 MSVCRT_wchar_t
*comspec
, *fullcmd
;
1228 static const MSVCRT_wchar_t flag
[] = {' ','/','c',' ',0};
1230 comspec
= msvcrt_get_comspec();
1234 if (comspec
== NULL
)
1236 *MSVCRT__errno() = MSVCRT_ENOENT
;
1239 HeapFree(GetProcessHeap(), 0, comspec
);
1243 if ( comspec
== NULL
)
1246 len
= strlenW(comspec
) + strlenW(flag
) + strlenW(cmd
) + 1;
1248 if (!(fullcmd
= HeapAlloc(GetProcessHeap(), 0, len
* sizeof(MSVCRT_wchar_t
))))
1250 HeapFree(GetProcessHeap(), 0, comspec
);
1253 strcpyW(fullcmd
, comspec
);
1254 strcatW(fullcmd
, flag
);
1255 strcatW(fullcmd
, cmd
);
1257 res
= msvcrt_spawn(MSVCRT__P_WAIT
, comspec
, fullcmd
, NULL
, 1);
1259 HeapFree(GetProcessHeap(), 0, comspec
);
1260 HeapFree(GetProcessHeap(), 0, fullcmd
);
1264 /*********************************************************************
1267 int CDECL
MSVCRT_system(const char* cmd
)
1270 MSVCRT_wchar_t
*cmdW
;
1273 return _wsystem(NULL
);
1275 if ((cmdW
= msvcrt_wstrdupa(cmd
)))
1277 res
= _wsystem(cmdW
);
1278 HeapFree(GetProcessHeap(), 0, cmdW
);
1283 /*********************************************************************
1284 * _loaddll (MSVCRT.@)
1286 MSVCRT_intptr_t CDECL
_loaddll(const char* dllname
)
1288 return (MSVCRT_intptr_t
)LoadLibraryA(dllname
);
1291 /*********************************************************************
1292 * _unloaddll (MSVCRT.@)
1294 int CDECL
_unloaddll(MSVCRT_intptr_t dll
)
1296 if (FreeLibrary((HMODULE
)dll
))
1300 int err
= GetLastError();
1301 msvcrt_set_errno(err
);
1306 /*********************************************************************
1307 * _getdllprocaddr (MSVCRT.@)
1309 void * CDECL
_getdllprocaddr(MSVCRT_intptr_t dll
, const char *name
, int ordinal
)
1313 if (ordinal
!= -1) return NULL
;
1314 return GetProcAddress( (HMODULE
)dll
, name
);
1316 if (HIWORD(ordinal
)) return NULL
;
1317 return GetProcAddress( (HMODULE
)dll
, (LPCSTR
)(ULONG_PTR
)ordinal
);
1320 /*********************************************************************
1321 * _getpid (MSVCRT.@)
1323 int CDECL
_getpid(void)
1325 return GetCurrentProcessId();
1329 /*********************************************************************
1330 * __crtTerminateProcess (MSVCR110.@)
1332 int CDECL
MSVCR110__crtTerminateProcess(UINT exit_code
)
1334 return TerminateProcess(GetCurrentProcess(), exit_code
);