mirror of
git://source.winehq.org/git/wine.git
synced 2024-11-01 07:37:02 +00:00
e38f3761f8
Old implementation was not thread safe, incorrectly copied file descriptors to child process and was leaking parent pipe fd to child process. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=51719 Signed-off-by: Piotr Caban <piotr@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
1362 lines
32 KiB
C
1362 lines
32 KiB
C
/*
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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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* Copyright 2007 Hans Leidekker
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*
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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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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#include <fcntl.h>
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#include <io.h>
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#include <process.h>
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#include <stdarg.h>
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#include "msvcrt.h"
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#include <winnls.h>
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#include "mtdll.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
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static void msvcrt_search_executable(const wchar_t *name, wchar_t *fullname, int use_path)
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{
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static const wchar_t suffix[][5] =
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{L".com", L".exe", L".bat", L".cmd"};
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wchar_t buffer[MAX_PATH];
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const wchar_t *env, *p, *end;
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unsigned int i, name_len, path_len;
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int extension = 1;
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*fullname = '\0';
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msvcrt_set_errno(ERROR_FILE_NOT_FOUND);
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end = name + MAX_PATH - 1;
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for(p = name; p < end; p++)
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if(!*p) break;
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name_len = p - name;
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/* FIXME extra-long names are silently truncated */
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memcpy(buffer, name, name_len * sizeof(wchar_t));
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buffer[name_len] = '\0';
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/* try current dir first */
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if (GetFileAttributesW(buffer) != INVALID_FILE_ATTRIBUTES)
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{
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wcscpy(fullname, buffer);
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return;
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}
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for (p--; p >= name; p--)
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if (*p == '\\' || *p == '/' || *p == ':' || *p == '.') break;
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/* if there's no extension, try some well-known extensions */
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if ((p < name || *p != '.') && name_len <= MAX_PATH - 5)
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{
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for (i = 0; i < 4; i++)
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{
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memcpy(buffer + name_len, suffix[i], 5 * sizeof(wchar_t));
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if (GetFileAttributesW(buffer) != INVALID_FILE_ATTRIBUTES)
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{
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wcscpy(fullname, buffer);
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return;
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}
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}
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extension = 0;
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}
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if (!use_path || !(env = _wgetenv(L"PATH"))) return;
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/* now try search path */
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do
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{
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p = env;
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while (*p && *p != ';') p++;
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if (p == env) return;
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path_len = p - env;
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if (path_len + name_len <= MAX_PATH - 2)
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{
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memcpy(buffer, env, path_len * sizeof(wchar_t));
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if (buffer[path_len] != '/' && buffer[path_len] != '\\')
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{
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buffer[path_len++] = '\\';
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buffer[path_len] = '\0';
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}
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else buffer[path_len] = '\0';
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wcscat(buffer, name);
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if (GetFileAttributesW(buffer) != INVALID_FILE_ATTRIBUTES)
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{
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wcscpy(fullname, buffer);
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return;
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}
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}
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/* again, if there's no extension, try some well-known extensions */
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if (!extension && path_len + name_len <= MAX_PATH - 5)
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{
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for (i = 0; i < 4; i++)
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{
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memcpy(buffer + path_len + name_len, suffix[i], 5 * sizeof(wchar_t));
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if (GetFileAttributesW(buffer) != INVALID_FILE_ATTRIBUTES)
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{
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wcscpy(fullname, buffer);
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return;
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}
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}
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}
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env = *p ? p + 1 : p;
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} while(1);
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}
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static intptr_t msvcrt_spawn(int flags, const wchar_t* exe, wchar_t* cmdline,
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wchar_t* env, int use_path)
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{
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STARTUPINFOW si;
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PROCESS_INFORMATION pi;
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wchar_t fullname[MAX_PATH];
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DWORD create_flags = CREATE_UNICODE_ENVIRONMENT;
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TRACE("%x %s %s %s %d\n", flags, debugstr_w(exe), debugstr_w(cmdline), debugstr_w(env), use_path);
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if ((unsigned)flags > _P_DETACH)
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{
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*_errno() = EINVAL;
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return -1;
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}
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msvcrt_search_executable(exe, fullname, use_path);
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memset(&si, 0, sizeof(si));
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si.cb = sizeof(si);
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msvcrt_create_io_inherit_block(&si.cbReserved2, &si.lpReserved2);
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if (flags == _P_DETACH) create_flags |= DETACHED_PROCESS;
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if (!CreateProcessW(fullname, cmdline, NULL, NULL, TRUE,
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create_flags, env, NULL, &si, &pi))
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{
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msvcrt_set_errno(GetLastError());
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free(si.lpReserved2);
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return -1;
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}
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free(si.lpReserved2);
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switch(flags)
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{
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case _P_WAIT:
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WaitForSingleObject(pi.hProcess, INFINITE);
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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 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 (intptr_t)pi.hProcess;
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case _P_OVERLAY:
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_exit(0);
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}
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return -1; /* can't reach here */
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}
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/* INTERNAL: Convert wide argv list to a single 'delim'-separated wide string, with an
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* extra '\0' to terminate it.
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*/
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static wchar_t* msvcrt_argvtos(const wchar_t* const* arg, wchar_t delim)
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{
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const wchar_t* const* a;
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int size;
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wchar_t* p;
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wchar_t* ret;
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if (!arg)
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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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/* get length */
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a = arg;
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size = 0;
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while (*a)
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{
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size += wcslen(*a) + 1;
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a++;
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}
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ret = malloc((size + 1) * sizeof(wchar_t));
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if (!ret)
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return NULL;
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/* fill string */
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a = arg;
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p = ret;
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while (*a)
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{
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int len = wcslen(*a);
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memcpy(p,*a,len * sizeof(wchar_t));
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p += len;
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*p++ = delim;
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a++;
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}
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if (delim && p > ret) p[-1] = 0;
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else *p = 0;
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return ret;
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}
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/* INTERNAL: Convert ansi argv list to a single 'delim'-separated wide string, with an
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* extra '\0' to terminate it.
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*/
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static wchar_t *msvcrt_argvtos_aw(const char * const *arg, wchar_t delim)
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{
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const char * const *a;
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unsigned int len;
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wchar_t *p, *ret;
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if (!arg)
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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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/* get length */
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a = arg;
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len = 0;
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while (*a)
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{
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len += MultiByteToWideChar(CP_ACP, 0, *a, -1, NULL, 0);
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a++;
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}
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ret = malloc((len + 1) * sizeof(wchar_t));
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if (!ret)
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return NULL;
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/* fill string */
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a = arg;
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p = ret;
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while (*a)
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{
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p += MultiByteToWideChar(CP_ACP, 0, *a, strlen(*a), p, len - (p - ret));
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*p++ = delim;
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a++;
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}
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if (delim && p > ret) p[-1] = 0;
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else *p = 0;
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return ret;
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}
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/* INTERNAL: Convert wide va_list to a single 'delim'-separated wide string, with an
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* extra '\0' to terminate it.
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*/
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static wchar_t *msvcrt_valisttos(const wchar_t *arg0, va_list alist, wchar_t delim)
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{
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unsigned int size = 0, pos = 0;
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const wchar_t *arg;
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wchar_t *new, *ret = NULL;
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for (arg = arg0; arg; arg = va_arg( alist, wchar_t * ))
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{
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unsigned int len = wcslen( arg ) + 1;
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if (pos + len >= size)
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{
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size = max( 256, size * 2 );
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size = max( size, pos + len + 1 );
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if (!(new = realloc( ret, size * sizeof(wchar_t) )))
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{
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free( ret );
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return NULL;
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}
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ret = new;
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}
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wcscpy( ret + pos, arg );
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pos += len;
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ret[pos - 1] = delim;
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}
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if (pos)
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{
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if (delim) ret[pos - 1] = 0;
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else ret[pos] = 0;
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}
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return ret;
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}
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/* INTERNAL: Convert ansi va_list to a single 'delim'-separated wide string, with an
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* extra '\0' to terminate it.
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*/
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static wchar_t *msvcrt_valisttos_aw(const char *arg0, va_list alist, wchar_t delim)
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{
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unsigned int size = 0, pos = 0;
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const char *arg;
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wchar_t *new, *ret = NULL;
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for (arg = arg0; arg; arg = va_arg( alist, char * ))
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{
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unsigned int len = MultiByteToWideChar( CP_ACP, 0, arg, -1, NULL, 0 );
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if (pos + len >= size)
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{
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size = max( 256, size * 2 );
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size = max( size, pos + len + 1 );
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if (!(new = realloc( ret, size * sizeof(wchar_t) )))
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{
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free( ret );
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return NULL;
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}
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ret = new;
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}
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pos += MultiByteToWideChar( CP_ACP, 0, arg, -1, ret + pos, size - pos );
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ret[pos - 1] = delim;
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}
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if (pos)
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{
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if (delim) ret[pos - 1] = 0;
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else ret[pos] = 0;
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}
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return ret;
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}
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/* INTERNAL: retrieve COMSPEC environment variable */
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static wchar_t *msvcrt_get_comspec(void)
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{
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wchar_t *ret;
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unsigned int len;
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if (!(len = GetEnvironmentVariableW(L"COMSPEC", NULL, 0))) len = 4;
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if ((ret = HeapAlloc(GetProcessHeap(), 0, len * sizeof(wchar_t))))
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{
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if (!GetEnvironmentVariableW(L"COMSPEC", ret, len)) wcscpy(ret, L"cmd");
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}
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return ret;
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}
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/*********************************************************************
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* _cwait (MSVCRT.@)
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*/
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intptr_t CDECL _cwait(int *status, intptr_t pid, int action)
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{
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HANDLE hPid = (HANDLE)pid;
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int doserrno;
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if (!WaitForSingleObject(hPid, INFINITE))
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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 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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*_errno() = ECHILD;
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*__doserrno() = doserrno;
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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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/*********************************************************************
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* _wexecl (MSVCRT.@)
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*
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* Unicode version of _execl
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*/
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intptr_t WINAPIV _wexecl(const wchar_t* name, const wchar_t* arg0, ...)
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{
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va_list ap;
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wchar_t *args;
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intptr_t 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, 0);
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free(args);
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return ret;
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}
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/*********************************************************************
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* _execl (MSVCRT.@)
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*
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* Like on Windows, this function does not handle arguments with spaces
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* or double-quotes.
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*/
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intptr_t WINAPIV _execl(const char* name, const char* arg0, ...)
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{
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va_list ap;
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wchar_t *nameW, *args;
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intptr_t ret;
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if (!(nameW = msvcrt_wstrdupa(name))) return -1;
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va_start(ap, arg0);
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args = msvcrt_valisttos_aw(arg0, ap, ' ');
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va_end(ap);
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ret = msvcrt_spawn(_P_OVERLAY, nameW, args, NULL, 0);
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free(nameW);
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free(args);
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return ret;
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}
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/*********************************************************************
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* _wexecle (MSVCRT.@)
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*
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* Unicode version of _execle
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*/
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intptr_t WINAPIV _wexecle(const wchar_t* name, const wchar_t* arg0, ...)
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{
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va_list ap;
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wchar_t *args, *envs = NULL;
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const wchar_t * const *envp;
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intptr_t 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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va_start(ap, arg0);
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while (va_arg( ap, wchar_t * ) != NULL) /*nothing*/;
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envp = va_arg( ap, const wchar_t * const * );
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if (envp) envs = msvcrt_argvtos(envp, 0);
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va_end(ap);
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ret = msvcrt_spawn(_P_OVERLAY, name, args, envs, 0);
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free(args);
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free(envs);
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return ret;
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}
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/*********************************************************************
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* _execle (MSVCRT.@)
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*/
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intptr_t WINAPIV _execle(const char* name, const char* arg0, ...)
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{
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va_list ap;
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wchar_t *nameW, *args, *envs = NULL;
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const char * const *envp;
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intptr_t ret;
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if (!(nameW = msvcrt_wstrdupa(name))) return -1;
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va_start(ap, arg0);
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args = msvcrt_valisttos_aw(arg0, ap, ' ');
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va_end(ap);
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va_start(ap, arg0);
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while (va_arg( ap, char * ) != NULL) /*nothing*/;
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envp = va_arg( ap, const char * const * );
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if (envp) envs = msvcrt_argvtos_aw(envp, 0);
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va_end(ap);
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ret = msvcrt_spawn(_P_OVERLAY, nameW, args, envs, 0);
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free(nameW);
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free(args);
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free(envs);
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return ret;
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}
|
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|
|
/*********************************************************************
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|
* _wexeclp (MSVCRT.@)
|
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*
|
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* Unicode version of _execlp
|
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*/
|
|
intptr_t WINAPIV _wexeclp(const wchar_t* name, const wchar_t* arg0, ...)
|
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{
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va_list ap;
|
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wchar_t *args;
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intptr_t 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, 1);
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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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*
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* Like on Windows, this function does not handle arguments with spaces
|
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* or double-quotes.
|
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*/
|
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intptr_t WINAPIV _execlp(const char* name, const char* arg0, ...)
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|
{
|
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va_list ap;
|
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wchar_t *nameW, *args;
|
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intptr_t ret;
|
|
|
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if (!(nameW = msvcrt_wstrdupa(name))) return -1;
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|
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va_start(ap, arg0);
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args = msvcrt_valisttos_aw(arg0, ap, ' ');
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va_end(ap);
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|
|
ret = msvcrt_spawn(_P_OVERLAY, nameW, args, NULL, 1);
|
|
|
|
free(nameW);
|
|
free(args);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wexeclpe (MSVCRT.@)
|
|
*
|
|
* Unicode version of _execlpe
|
|
*/
|
|
intptr_t WINAPIV _wexeclpe(const wchar_t* name, const wchar_t* arg0, ...)
|
|
{
|
|
va_list ap;
|
|
wchar_t *args, *envs = NULL;
|
|
const wchar_t * const *envp;
|
|
intptr_t ret;
|
|
|
|
va_start(ap, arg0);
|
|
args = msvcrt_valisttos(arg0, ap, ' ');
|
|
va_end(ap);
|
|
|
|
va_start(ap, arg0);
|
|
while (va_arg( ap, wchar_t * ) != NULL) /*nothing*/;
|
|
envp = va_arg( ap, const wchar_t * const * );
|
|
if (envp) envs = msvcrt_argvtos(envp, 0);
|
|
va_end(ap);
|
|
|
|
ret = msvcrt_spawn(_P_OVERLAY, name, args, envs, 1);
|
|
|
|
free(args);
|
|
free(envs);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _execlpe (MSVCRT.@)
|
|
*/
|
|
intptr_t WINAPIV _execlpe(const char* name, const char* arg0, ...)
|
|
{
|
|
va_list ap;
|
|
wchar_t *nameW, *args, *envs = NULL;
|
|
const char * const *envp;
|
|
intptr_t ret;
|
|
|
|
if (!(nameW = msvcrt_wstrdupa(name))) return -1;
|
|
|
|
va_start(ap, arg0);
|
|
args = msvcrt_valisttos_aw(arg0, ap, ' ');
|
|
va_end(ap);
|
|
|
|
va_start(ap, arg0);
|
|
while (va_arg( ap, char * ) != NULL) /*nothing*/;
|
|
envp = va_arg( ap, const char * const * );
|
|
if (envp) envs = msvcrt_argvtos_aw(envp, 0);
|
|
va_end(ap);
|
|
|
|
ret = msvcrt_spawn(_P_OVERLAY, nameW, args, envs, 1);
|
|
|
|
free(nameW);
|
|
free(args);
|
|
free(envs);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wexecv (MSVCRT.@)
|
|
*
|
|
* Unicode version of _execv
|
|
*/
|
|
intptr_t CDECL _wexecv(const wchar_t* name, const wchar_t* const* argv)
|
|
{
|
|
return _wspawnve(_P_OVERLAY, name, argv, NULL);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _execv (MSVCRT.@)
|
|
*
|
|
* Like on Windows, this function does not handle arguments with spaces
|
|
* or double-quotes.
|
|
*/
|
|
intptr_t CDECL _execv(const char* name, const char* const* argv)
|
|
{
|
|
return _spawnve(_P_OVERLAY, name, argv, NULL);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wexecve (MSVCRT.@)
|
|
*
|
|
* Unicode version of _execve
|
|
*/
|
|
intptr_t CDECL _wexecve(const wchar_t* name, const wchar_t* const* argv, const wchar_t* const* envv)
|
|
{
|
|
return _wspawnve(_P_OVERLAY, name, argv, envv);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _execve (MSVCRT.@)
|
|
*
|
|
* Like on Windows, this function does not handle arguments with spaces
|
|
* or double-quotes.
|
|
*/
|
|
intptr_t CDECL _execve(const char* name, const char* const* argv, const char* const* envv)
|
|
{
|
|
return _spawnve(_P_OVERLAY, name, argv, envv);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wexecvpe (MSVCRT.@)
|
|
*
|
|
* Unicode version of _execvpe
|
|
*/
|
|
intptr_t CDECL _wexecvpe(const wchar_t* name, const wchar_t* const* argv, const wchar_t* const* envv)
|
|
{
|
|
return _wspawnvpe(_P_OVERLAY, name, argv, envv);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _execvpe (MSVCRT.@)
|
|
*
|
|
* Like on Windows, this function does not handle arguments with spaces
|
|
* or double-quotes.
|
|
*/
|
|
intptr_t CDECL _execvpe(const char* name, const char* const* argv, const char* const* envv)
|
|
{
|
|
return _spawnvpe(_P_OVERLAY, name, argv, envv);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wexecvp (MSVCRT.@)
|
|
*
|
|
* Unicode version of _execvp
|
|
*/
|
|
intptr_t CDECL _wexecvp(const wchar_t* name, const wchar_t* const* argv)
|
|
{
|
|
return _wexecvpe(name, argv, NULL);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _execvp (MSVCRT.@)
|
|
*
|
|
* Like on Windows, this function does not handle arguments with spaces
|
|
* or double-quotes.
|
|
*/
|
|
intptr_t CDECL _execvp(const char* name, const char* const* argv)
|
|
{
|
|
return _execvpe(name, argv, NULL);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wspawnl (MSVCRT.@)
|
|
*
|
|
* Unicode version of _spawnl
|
|
*/
|
|
intptr_t WINAPIV _wspawnl(int flags, const wchar_t* name, const wchar_t* arg0, ...)
|
|
{
|
|
va_list ap;
|
|
wchar_t *args;
|
|
intptr_t ret;
|
|
|
|
va_start(ap, arg0);
|
|
args = msvcrt_valisttos(arg0, ap, ' ');
|
|
va_end(ap);
|
|
|
|
ret = msvcrt_spawn(flags, name, args, NULL, 0);
|
|
|
|
free(args);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _spawnl (MSVCRT.@)
|
|
*
|
|
* Like on Windows, this function does not handle arguments with spaces
|
|
* or double-quotes.
|
|
*/
|
|
intptr_t WINAPIV _spawnl(int flags, const char* name, const char* arg0, ...)
|
|
{
|
|
va_list ap;
|
|
wchar_t *nameW, *args;
|
|
intptr_t ret;
|
|
|
|
if (!(nameW = msvcrt_wstrdupa(name))) return -1;
|
|
|
|
va_start(ap, arg0);
|
|
args = msvcrt_valisttos_aw(arg0, ap, ' ');
|
|
va_end(ap);
|
|
|
|
ret = msvcrt_spawn(flags, nameW, args, NULL, 0);
|
|
|
|
free(nameW);
|
|
free(args);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wspawnle (MSVCRT.@)
|
|
*
|
|
* Unicode version of _spawnle
|
|
*/
|
|
intptr_t WINAPIV _wspawnle(int flags, const wchar_t* name, const wchar_t* arg0, ...)
|
|
{
|
|
va_list ap;
|
|
wchar_t *args, *envs = NULL;
|
|
const wchar_t * const *envp;
|
|
intptr_t ret;
|
|
|
|
va_start(ap, arg0);
|
|
args = msvcrt_valisttos(arg0, ap, ' ');
|
|
va_end(ap);
|
|
|
|
va_start(ap, arg0);
|
|
while (va_arg( ap, wchar_t * ) != NULL) /*nothing*/;
|
|
envp = va_arg( ap, const wchar_t * const * );
|
|
if (envp) envs = msvcrt_argvtos(envp, 0);
|
|
va_end(ap);
|
|
|
|
ret = msvcrt_spawn(flags, name, args, envs, 0);
|
|
|
|
free(args);
|
|
free(envs);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _spawnle (MSVCRT.@)
|
|
*/
|
|
intptr_t WINAPIV _spawnle(int flags, const char* name, const char* arg0, ...)
|
|
{
|
|
va_list ap;
|
|
wchar_t *nameW, *args, *envs = NULL;
|
|
const char * const *envp;
|
|
intptr_t ret;
|
|
|
|
if (!(nameW = msvcrt_wstrdupa(name))) return -1;
|
|
|
|
va_start(ap, arg0);
|
|
args = msvcrt_valisttos_aw(arg0, ap, ' ');
|
|
va_end(ap);
|
|
|
|
va_start(ap, arg0);
|
|
while (va_arg( ap, char * ) != NULL) /*nothing*/;
|
|
envp = va_arg( ap, const char * const * );
|
|
if (envp) envs = msvcrt_argvtos_aw(envp, 0);
|
|
va_end(ap);
|
|
|
|
ret = msvcrt_spawn(flags, nameW, args, envs, 0);
|
|
|
|
free(nameW);
|
|
free(args);
|
|
free(envs);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wspawnlp (MSVCRT.@)
|
|
*
|
|
* Unicode version of _spawnlp
|
|
*/
|
|
intptr_t WINAPIV _wspawnlp(int flags, const wchar_t* name, const wchar_t* arg0, ...)
|
|
{
|
|
va_list ap;
|
|
wchar_t *args;
|
|
intptr_t ret;
|
|
|
|
va_start(ap, arg0);
|
|
args = msvcrt_valisttos(arg0, ap, ' ');
|
|
va_end(ap);
|
|
|
|
ret = msvcrt_spawn(flags, name, args, NULL, 1);
|
|
|
|
free(args);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _spawnlp (MSVCRT.@)
|
|
*
|
|
* Like on Windows, this function does not handle arguments with spaces
|
|
* or double-quotes.
|
|
*/
|
|
intptr_t WINAPIV _spawnlp(int flags, const char* name, const char* arg0, ...)
|
|
{
|
|
va_list ap;
|
|
wchar_t *nameW, *args;
|
|
intptr_t ret;
|
|
|
|
if (!(nameW = msvcrt_wstrdupa(name))) return -1;
|
|
|
|
va_start(ap, arg0);
|
|
args = msvcrt_valisttos_aw(arg0, ap, ' ');
|
|
va_end(ap);
|
|
|
|
ret = msvcrt_spawn(flags, nameW, args, NULL, 1);
|
|
|
|
free(nameW);
|
|
free(args);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wspawnlpe (MSVCRT.@)
|
|
*
|
|
* Unicode version of _spawnlpe
|
|
*/
|
|
intptr_t WINAPIV _wspawnlpe(int flags, const wchar_t* name, const wchar_t* arg0, ...)
|
|
{
|
|
va_list ap;
|
|
wchar_t *args, *envs = NULL;
|
|
const wchar_t * const *envp;
|
|
intptr_t ret;
|
|
|
|
va_start(ap, arg0);
|
|
args = msvcrt_valisttos(arg0, ap, ' ');
|
|
va_end(ap);
|
|
|
|
va_start(ap, arg0);
|
|
while (va_arg( ap, wchar_t * ) != NULL) /*nothing*/;
|
|
envp = va_arg( ap, const wchar_t * const * );
|
|
if (envp) envs = msvcrt_argvtos(envp, 0);
|
|
va_end(ap);
|
|
|
|
ret = msvcrt_spawn(flags, name, args, envs, 1);
|
|
|
|
free(args);
|
|
free(envs);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _spawnlpe (MSVCRT.@)
|
|
*/
|
|
intptr_t WINAPIV _spawnlpe(int flags, const char* name, const char* arg0, ...)
|
|
{
|
|
va_list ap;
|
|
wchar_t *nameW, *args, *envs = NULL;
|
|
const char * const *envp;
|
|
intptr_t ret;
|
|
|
|
if (!(nameW = msvcrt_wstrdupa(name))) return -1;
|
|
|
|
va_start(ap, arg0);
|
|
args = msvcrt_valisttos_aw(arg0, ap, ' ');
|
|
va_end(ap);
|
|
|
|
va_start(ap, arg0);
|
|
while (va_arg( ap, char * ) != NULL) /*nothing*/;
|
|
envp = va_arg( ap, const char * const * );
|
|
if (envp) envs = msvcrt_argvtos_aw(envp, 0);
|
|
va_end(ap);
|
|
|
|
ret = msvcrt_spawn(flags, nameW, args, envs, 1);
|
|
|
|
free(nameW);
|
|
free(args);
|
|
free(envs);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _spawnve (MSVCRT.@)
|
|
*
|
|
* Like on Windows, this function does not handle arguments with spaces
|
|
* or double-quotes.
|
|
*/
|
|
intptr_t CDECL _spawnve(int flags, const char* name, const char* const* argv,
|
|
const char* const* envv)
|
|
{
|
|
wchar_t *nameW, *args, *envs;
|
|
intptr_t ret;
|
|
|
|
if (!(nameW = msvcrt_wstrdupa(name))) return -1;
|
|
|
|
args = msvcrt_argvtos_aw(argv, ' ');
|
|
envs = msvcrt_argvtos_aw(envv, 0);
|
|
|
|
ret = msvcrt_spawn(flags, nameW, args, envs, 0);
|
|
|
|
free(nameW);
|
|
free(args);
|
|
free(envs);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wspawnve (MSVCRT.@)
|
|
*
|
|
* Unicode version of _spawnve
|
|
*/
|
|
intptr_t CDECL _wspawnve(int flags, const wchar_t* name, const wchar_t* const* argv,
|
|
const wchar_t* const* envv)
|
|
{
|
|
wchar_t *args, *envs;
|
|
intptr_t ret;
|
|
|
|
args = msvcrt_argvtos(argv, ' ');
|
|
envs = msvcrt_argvtos(envv, 0);
|
|
|
|
ret = msvcrt_spawn(flags, name, args, envs, 0);
|
|
|
|
free(args);
|
|
free(envs);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _spawnv (MSVCRT.@)
|
|
*
|
|
* Like on Windows, this function does not handle arguments with spaces
|
|
* or double-quotes.
|
|
*/
|
|
intptr_t CDECL _spawnv(int flags, const char* name, const char* const* argv)
|
|
{
|
|
return _spawnve(flags, name, argv, NULL);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wspawnv (MSVCRT.@)
|
|
*
|
|
* Unicode version of _spawnv
|
|
*/
|
|
intptr_t CDECL _wspawnv(int flags, const wchar_t* name, const wchar_t* const* argv)
|
|
{
|
|
return _wspawnve(flags, name, argv, NULL);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _spawnvpe (MSVCRT.@)
|
|
*
|
|
* Like on Windows, this function does not handle arguments with spaces
|
|
* or double-quotes.
|
|
*/
|
|
intptr_t CDECL _spawnvpe(int flags, const char* name, const char* const* argv,
|
|
const char* const* envv)
|
|
{
|
|
wchar_t *nameW, *args, *envs;
|
|
intptr_t ret;
|
|
|
|
if (!(nameW = msvcrt_wstrdupa(name))) return -1;
|
|
|
|
args = msvcrt_argvtos_aw(argv, ' ');
|
|
envs = msvcrt_argvtos_aw(envv, 0);
|
|
|
|
ret = msvcrt_spawn(flags, nameW, args, envs, 1);
|
|
|
|
free(nameW);
|
|
free(args);
|
|
free(envs);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wspawnvpe (MSVCRT.@)
|
|
*
|
|
* Unicode version of _spawnvpe
|
|
*/
|
|
intptr_t CDECL _wspawnvpe(int flags, const wchar_t* name, const wchar_t* const* argv,
|
|
const wchar_t* const* envv)
|
|
{
|
|
wchar_t *args, *envs;
|
|
intptr_t ret;
|
|
|
|
args = msvcrt_argvtos(argv, ' ');
|
|
envs = msvcrt_argvtos(envv, 0);
|
|
|
|
ret = msvcrt_spawn(flags, name, args, envs, 1);
|
|
|
|
free(args);
|
|
free(envs);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _spawnvp (MSVCRT.@)
|
|
*
|
|
* Like on Windows, this function does not handle arguments with spaces
|
|
* or double-quotes.
|
|
*/
|
|
intptr_t CDECL _spawnvp(int flags, const char* name, const char* const* argv)
|
|
{
|
|
return _spawnvpe(flags, name, argv, NULL);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wspawnvp (MSVCRT.@)
|
|
*
|
|
* Unicode version of _spawnvp
|
|
*/
|
|
intptr_t CDECL _wspawnvp(int flags, const wchar_t* name, const wchar_t* const* argv)
|
|
{
|
|
return _wspawnvpe(flags, name, argv, NULL);
|
|
}
|
|
|
|
static struct popen_handle {
|
|
FILE *f;
|
|
HANDLE proc;
|
|
} *popen_handles;
|
|
static DWORD popen_handles_size;
|
|
|
|
void msvcrt_free_popen_data(void)
|
|
{
|
|
free(popen_handles);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wpopen (MSVCRT.@)
|
|
*
|
|
* Unicode version of _popen
|
|
*/
|
|
FILE* CDECL _wpopen(const wchar_t* command, const wchar_t* mode)
|
|
{
|
|
wchar_t *comspec, *fullcmd, fullname[MAX_PATH];
|
|
int textmode, fds[2], fd_parent, fd_child;
|
|
struct popen_handle *container;
|
|
PROCESS_INFORMATION pi;
|
|
BOOL read_pipe = TRUE;
|
|
const wchar_t *p;
|
|
unsigned int len;
|
|
STARTUPINFOW si;
|
|
FILE *ret;
|
|
DWORD i;
|
|
BOOL r;
|
|
|
|
TRACE("(command=%s, mode=%s)\n", debugstr_w(command), debugstr_w(mode));
|
|
|
|
if (!command || !mode)
|
|
return NULL;
|
|
|
|
_get_fmode(&textmode);
|
|
textmode &= _O_BINARY | _O_TEXT;
|
|
textmode |= _O_NOINHERIT;
|
|
for (p = mode; *p; p++)
|
|
{
|
|
switch (*p)
|
|
{
|
|
case 'W':
|
|
case 'w':
|
|
read_pipe = FALSE;
|
|
break;
|
|
case 'B':
|
|
case 'b':
|
|
textmode |= _O_BINARY;
|
|
textmode &= ~_O_TEXT;
|
|
break;
|
|
case 'T':
|
|
case 't':
|
|
textmode |= _O_TEXT;
|
|
textmode &= ~_O_BINARY;
|
|
break;
|
|
}
|
|
}
|
|
if (_pipe(fds, 0, textmode) == -1)
|
|
return NULL;
|
|
|
|
if (read_pipe)
|
|
{
|
|
fd_parent = fds[0];
|
|
fd_child = _dup(fds[1]);
|
|
_close(fds[1]);
|
|
}
|
|
else
|
|
{
|
|
fd_parent = fds[1];
|
|
fd_child = _dup(fds[0]);
|
|
_close(fds[0]);
|
|
}
|
|
if (fd_child == -1)
|
|
{
|
|
_close(fd_parent);
|
|
return NULL;
|
|
}
|
|
ret = _wfdopen(fd_parent, mode);
|
|
if (!ret)
|
|
{
|
|
_close(fd_child);
|
|
return NULL;
|
|
}
|
|
|
|
_lock(_POPEN_LOCK);
|
|
for (i = 0; i < popen_handles_size; i++)
|
|
{
|
|
if (!popen_handles[i].f)
|
|
break;
|
|
}
|
|
if (i == popen_handles_size)
|
|
{
|
|
i = (popen_handles_size ? popen_handles_size * 2 : 8);
|
|
container = realloc(popen_handles, i * sizeof(*container));
|
|
if (!container) goto error;
|
|
|
|
popen_handles = container;
|
|
container = popen_handles + popen_handles_size;
|
|
memset(container, 0, (i - popen_handles_size) * sizeof(*container));
|
|
popen_handles_size = i;
|
|
}
|
|
else container = popen_handles + i;
|
|
|
|
if (!(comspec = msvcrt_get_comspec())) goto error;
|
|
len = wcslen(comspec) + wcslen(command) + 5;
|
|
|
|
if (!(fullcmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(wchar_t))))
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, comspec);
|
|
goto error;
|
|
}
|
|
|
|
wcscpy(fullcmd, comspec);
|
|
wcscat(fullcmd, L" /c ");
|
|
wcscat(fullcmd, command);
|
|
msvcrt_search_executable(comspec, fullname, 1);
|
|
|
|
memset(&si, 0, sizeof(si));
|
|
si.cb = sizeof(si);
|
|
si.dwFlags = STARTF_USESTDHANDLES;
|
|
if (read_pipe)
|
|
{
|
|
si.hStdInput = (HANDLE)_get_osfhandle(STDIN_FILENO);
|
|
si.hStdOutput = (HANDLE)_get_osfhandle(fd_child);
|
|
}
|
|
else
|
|
{
|
|
si.hStdInput = (HANDLE)_get_osfhandle(fd_child);
|
|
si.hStdOutput = (HANDLE)_get_osfhandle(STDOUT_FILENO);
|
|
}
|
|
si.hStdError = (HANDLE)_get_osfhandle(STDERR_FILENO);
|
|
r = CreateProcessW(fullname, fullcmd, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi);
|
|
HeapFree(GetProcessHeap(), 0, comspec);
|
|
HeapFree(GetProcessHeap(), 0, fullcmd);
|
|
if (!r)
|
|
{
|
|
msvcrt_set_errno(GetLastError());
|
|
goto error;
|
|
}
|
|
CloseHandle(pi.hThread);
|
|
_close(fd_child);
|
|
container->proc = pi.hProcess;
|
|
container->f = ret;
|
|
_unlock(_POPEN_LOCK);
|
|
return ret;
|
|
|
|
error:
|
|
_unlock(_POPEN_LOCK);
|
|
_close(fd_child);
|
|
fclose(ret);
|
|
return NULL;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _popen (MSVCRT.@)
|
|
*/
|
|
FILE* CDECL _popen(const char* command, const char* mode)
|
|
{
|
|
FILE *ret;
|
|
wchar_t *cmdW, *modeW;
|
|
|
|
TRACE("(command=%s, mode=%s)\n", debugstr_a(command), debugstr_a(mode));
|
|
|
|
if (!command || !mode)
|
|
return NULL;
|
|
|
|
if (!(cmdW = msvcrt_wstrdupa(command))) return NULL;
|
|
if (!(modeW = msvcrt_wstrdupa(mode)))
|
|
{
|
|
free(cmdW);
|
|
return NULL;
|
|
}
|
|
|
|
ret = _wpopen(cmdW, modeW);
|
|
|
|
free(cmdW);
|
|
free(modeW);
|
|
return ret;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _pclose (MSVCRT.@)
|
|
*/
|
|
int CDECL _pclose(FILE* file)
|
|
{
|
|
HANDLE h;
|
|
DWORD i;
|
|
|
|
if (!MSVCRT_CHECK_PMT(file != NULL)) return -1;
|
|
|
|
_lock(_POPEN_LOCK);
|
|
for(i=0; i<popen_handles_size; i++)
|
|
{
|
|
if (popen_handles[i].f == file)
|
|
break;
|
|
}
|
|
if(i == popen_handles_size)
|
|
{
|
|
_unlock(_POPEN_LOCK);
|
|
*_errno() = EBADF;
|
|
return -1;
|
|
}
|
|
|
|
h = popen_handles[i].proc;
|
|
popen_handles[i].f = NULL;
|
|
_unlock(_POPEN_LOCK);
|
|
|
|
fclose(file);
|
|
if(WaitForSingleObject(h, INFINITE)==WAIT_FAILED || !GetExitCodeProcess(h, &i))
|
|
{
|
|
msvcrt_set_errno(GetLastError());
|
|
CloseHandle(h);
|
|
return -1;
|
|
}
|
|
|
|
CloseHandle(h);
|
|
return i;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _wsystem (MSVCRT.@)
|
|
*
|
|
* Unicode version of system
|
|
*/
|
|
int CDECL _wsystem(const wchar_t* cmd)
|
|
{
|
|
int res;
|
|
wchar_t *comspec, *fullcmd;
|
|
unsigned int len;
|
|
|
|
comspec = msvcrt_get_comspec();
|
|
|
|
if (cmd == NULL)
|
|
{
|
|
if (comspec == NULL)
|
|
{
|
|
*_errno() = ENOENT;
|
|
return 0;
|
|
}
|
|
HeapFree(GetProcessHeap(), 0, comspec);
|
|
return 1;
|
|
}
|
|
|
|
if (comspec == NULL)
|
|
return -1;
|
|
|
|
len = wcslen(comspec) + wcslen(cmd) + 5;
|
|
|
|
if (!(fullcmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(wchar_t))))
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, comspec);
|
|
return -1;
|
|
}
|
|
wcscpy(fullcmd, comspec);
|
|
wcscat(fullcmd, L" /c ");
|
|
wcscat(fullcmd, cmd);
|
|
|
|
res = msvcrt_spawn(_P_WAIT, comspec, fullcmd, NULL, 1);
|
|
|
|
HeapFree(GetProcessHeap(), 0, comspec);
|
|
HeapFree(GetProcessHeap(), 0, fullcmd);
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* system (MSVCRT.@)
|
|
*/
|
|
int CDECL system(const char* cmd)
|
|
{
|
|
int res = -1;
|
|
wchar_t *cmdW;
|
|
|
|
if (cmd == NULL)
|
|
return _wsystem(NULL);
|
|
|
|
if ((cmdW = msvcrt_wstrdupa(cmd)))
|
|
{
|
|
res = _wsystem(cmdW);
|
|
free(cmdW);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _loaddll (MSVCRT.@)
|
|
*/
|
|
intptr_t CDECL _loaddll(const char* dllname)
|
|
{
|
|
return (intptr_t)LoadLibraryA(dllname);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _unloaddll (MSVCRT.@)
|
|
*/
|
|
int CDECL _unloaddll(intptr_t dll)
|
|
{
|
|
if (FreeLibrary((HMODULE)dll))
|
|
return 0;
|
|
else
|
|
{
|
|
int err = GetLastError();
|
|
msvcrt_set_errno(err);
|
|
return err;
|
|
}
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _getdllprocaddr (MSVCRT.@)
|
|
*/
|
|
void * CDECL _getdllprocaddr(intptr_t 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 );
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _getpid (MSVCRT.@)
|
|
*/
|
|
int CDECL _getpid(void)
|
|
{
|
|
return GetCurrentProcessId();
|
|
}
|
|
|
|
#if _MSVCR_VER>=110
|
|
/*********************************************************************
|
|
* __crtTerminateProcess (MSVCR110.@)
|
|
*/
|
|
int CDECL __crtTerminateProcess(UINT exit_code)
|
|
{
|
|
return TerminateProcess(GetCurrentProcess(), exit_code);
|
|
}
|
|
#endif
|