2 * msvcrt.dll dll data items
4 * Copyright 2000 Jon Griffiths
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
26 #include "wine/library.h"
27 #include "wine/unicode.h"
28 #include "wine/debug.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
32 int MSVCRT___argc = 0;
33 unsigned int MSVCRT_basemajor = 0;/* FIXME: */
34 unsigned int MSVCRT_baseminor = 0;/* FIXME: */
35 unsigned int MSVCRT_baseversion = 0; /* FIXME: */
36 unsigned int MSVCRT__commode = 0;
37 unsigned int MSVCRT__fmode = 0;
38 unsigned int MSVCRT_osmajor = 0;/* FIXME: */
39 unsigned int MSVCRT_osminor = 0;/* FIXME: */
40 unsigned int MSVCRT_osmode = 0;/* FIXME: */
41 unsigned int MSVCRT__osver = 0;
42 unsigned int MSVCRT__osplatform = 0;
43 unsigned int MSVCRT_osversion = 0; /* FIXME: */
44 unsigned int MSVCRT__winmajor = 0;
45 unsigned int MSVCRT__winminor = 0;
46 unsigned int MSVCRT__winver = 0;
47 unsigned int MSVCRT___setlc_active = 0;
48 unsigned int MSVCRT___unguarded_readlc_active = 0;
49 double MSVCRT__HUGE = 0;
50 char **MSVCRT___argv = NULL;
51 MSVCRT_wchar_t **MSVCRT___wargv = NULL;
52 char *MSVCRT__acmdln = NULL;
53 MSVCRT_wchar_t *MSVCRT__wcmdln = NULL;
54 char **MSVCRT__environ = NULL;
55 MSVCRT_wchar_t **MSVCRT__wenviron = NULL;
56 char **MSVCRT___initenv = NULL;
57 MSVCRT_wchar_t **MSVCRT___winitenv = NULL;
58 int MSVCRT_app_type = 0;
59 char* MSVCRT__pgmptr = NULL;
60 WCHAR* MSVCRT__wpgmptr = NULL;
62 /* Get a snapshot of the current environment
63 * and construct the __p__environ array
65 * The pointer returned from GetEnvironmentStrings may get invalid when
66 * some other module cause a reallocation of the env-variable block
68 * blk is an array of pointers to environment strings, ending with a NULL
69 * and after that the actual copy of the environment strings, ending in a \0
71 char ** msvcrt_SnapshotOfEnvironmentA(char **blk)
73 char* environ_strings = GetEnvironmentStringsA();
74 int count = 1, len = 1, i = 0; /* keep space for the trailing NULLS */
77 for (ptr = environ_strings; *ptr; ptr += strlen(ptr) + 1)
80 len += strlen(ptr) + 1;
83 blk = HeapReAlloc( GetProcessHeap(), 0, blk, count* sizeof(char*) + len );
85 blk = HeapAlloc(GetProcessHeap(), 0, count* sizeof(char*) + len );
91 memcpy(&blk[count],environ_strings,len);
92 for (ptr = (char*) &blk[count]; *ptr; ptr += strlen(ptr) + 1)
99 FreeEnvironmentStringsA(environ_strings);
103 MSVCRT_wchar_t ** msvcrt_SnapshotOfEnvironmentW(MSVCRT_wchar_t **wblk)
105 MSVCRT_wchar_t* wenviron_strings = GetEnvironmentStringsW();
106 int count = 1, len = 1, i = 0; /* keep space for the trailing NULLS */
107 MSVCRT_wchar_t *wptr;
109 for (wptr = wenviron_strings; *wptr; wptr += strlenW(wptr) + 1)
112 len += strlenW(wptr) + 1;
115 wblk = HeapReAlloc( GetProcessHeap(), 0, wblk, count* sizeof(MSVCRT_wchar_t*) + len * sizeof(MSVCRT_wchar_t));
117 wblk = HeapAlloc(GetProcessHeap(), 0, count* sizeof(MSVCRT_wchar_t*) + len * sizeof(MSVCRT_wchar_t));
122 memcpy(&wblk[count],wenviron_strings,len * sizeof(MSVCRT_wchar_t));
123 for (wptr = (MSVCRT_wchar_t*)&wblk[count]; *wptr; wptr += strlenW(wptr) + 1)
130 FreeEnvironmentStringsW(wenviron_strings);
134 typedef void (CDECL *_INITTERMFUN)(void);
135 typedef int (CDECL *_INITTERM_E_FN)(void);
137 /***********************************************************************
138 * __p___argc (MSVCRT.@)
140 int* CDECL __p___argc(void) { return &MSVCRT___argc; }
142 /***********************************************************************
143 * __p__commode (MSVCRT.@)
145 unsigned int* CDECL __p__commode(void) { return &MSVCRT__commode; }
148 /***********************************************************************
149 * __p__pgmptr (MSVCRT.@)
151 char** CDECL __p__pgmptr(void) { return &MSVCRT__pgmptr; }
153 /***********************************************************************
154 * __p__wpgmptr (MSVCRT.@)
156 WCHAR** CDECL __p__wpgmptr(void) { return &MSVCRT__wpgmptr; }
158 /***********************************************************************
159 * _get_pgmptr (MSVCRT.@)
161 int CDECL _get_pgmptr(char** p)
163 if (!MSVCRT_CHECK_PMT(p))
165 *MSVCRT__errno() = MSVCRT_EINVAL;
166 return MSVCRT_EINVAL;
173 /***********************************************************************
174 * _get_wpgmptr (MSVCRT.@)
176 int CDECL _get_wpgmptr(WCHAR** p)
178 if (!MSVCRT_CHECK_PMT(p))
180 *MSVCRT__errno() = MSVCRT_EINVAL;
181 return MSVCRT_EINVAL;
184 *p = MSVCRT__wpgmptr;
188 /***********************************************************************
189 * __p__fmode (MSVCRT.@)
191 unsigned int* CDECL __p__fmode(void) { return &MSVCRT__fmode; }
193 /***********************************************************************
194 * __p__osver (MSVCRT.@)
196 unsigned int* CDECL __p__osver(void) { return &MSVCRT__osver; }
198 /***********************************************************************
199 * __p__winmajor (MSVCRT.@)
201 unsigned int* CDECL __p__winmajor(void) { return &MSVCRT__winmajor; }
203 /***********************************************************************
204 * __p__winminor (MSVCRT.@)
206 unsigned int* CDECL __p__winminor(void) { return &MSVCRT__winminor; }
208 /***********************************************************************
209 * __p__winver (MSVCRT.@)
211 unsigned int* CDECL __p__winver(void) { return &MSVCRT__winver; }
213 /*********************************************************************
214 * __p__acmdln (MSVCRT.@)
216 char** CDECL __p__acmdln(void) { return &MSVCRT__acmdln; }
218 /*********************************************************************
219 * __p__wcmdln (MSVCRT.@)
221 MSVCRT_wchar_t** CDECL __p__wcmdln(void) { return &MSVCRT__wcmdln; }
223 /*********************************************************************
224 * __p___argv (MSVCRT.@)
226 char*** CDECL __p___argv(void) { return &MSVCRT___argv; }
228 /*********************************************************************
229 * __p___wargv (MSVCRT.@)
231 MSVCRT_wchar_t*** CDECL __p___wargv(void) { return &MSVCRT___wargv; }
233 /*********************************************************************
234 * __p__environ (MSVCRT.@)
236 char*** CDECL MSVCRT___p__environ(void)
238 return &MSVCRT__environ;
241 /*********************************************************************
242 * __p__wenviron (MSVCRT.@)
244 MSVCRT_wchar_t*** CDECL MSVCRT___p__wenviron(void)
246 return &MSVCRT__wenviron;
249 /*********************************************************************
250 * __p___initenv (MSVCRT.@)
252 char*** CDECL __p___initenv(void) { return &MSVCRT___initenv; }
254 /*********************************************************************
255 * __p___winitenv (MSVCRT.@)
257 MSVCRT_wchar_t*** CDECL __p___winitenv(void) { return &MSVCRT___winitenv; }
259 /*********************************************************************
260 * _get_osplatform (MSVCRT.@)
262 int CDECL MSVCRT__get_osplatform(int *pValue)
264 if (!MSVCRT_CHECK_PMT(pValue != NULL)) {
265 *MSVCRT__errno() = MSVCRT_EINVAL;
266 return MSVCRT_EINVAL;
269 *pValue = MSVCRT__osplatform;
273 /* INTERNAL: Create a wide string from an ascii string */
274 MSVCRT_wchar_t *msvcrt_wstrdupa(const char *str)
276 const unsigned int len = strlen(str) + 1 ;
277 MSVCRT_wchar_t *wstr = MSVCRT_malloc(len* sizeof (MSVCRT_wchar_t));
280 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,str,len,wstr,len);
284 /*********************************************************************
285 * ___unguarded_readlc_active_add_func (MSVCRT.@)
287 unsigned int * CDECL MSVCRT____unguarded_readlc_active_add_func(void)
289 return &MSVCRT___unguarded_readlc_active;
292 /*********************************************************************
293 * ___setlc_active_func (MSVCRT.@)
295 unsigned int CDECL MSVCRT____setlc_active_func(void)
297 return MSVCRT___setlc_active;
300 /* INTERNAL: Since we can't rely on Winelib startup code calling w/getmainargs,
301 * we initialise data values during DLL loading. When called by a native
302 * program we simply return the data we've already initialised. This also means
303 * you can call multiple times without leaking
305 void msvcrt_init_args(void)
309 MSVCRT__acmdln = MSVCRT__strdup( GetCommandLineA() );
310 MSVCRT__wcmdln = msvcrt_wstrdupa(MSVCRT__acmdln);
311 MSVCRT___argc = __wine_main_argc;
312 MSVCRT___argv = __wine_main_argv;
313 MSVCRT___wargv = __wine_main_wargv;
315 TRACE("got %s, wide = %s argc=%d\n", debugstr_a(MSVCRT__acmdln),
316 debugstr_w(MSVCRT__wcmdln),MSVCRT___argc);
318 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
319 GetVersionExW( &osvi );
320 MSVCRT__winver = (osvi.dwMajorVersion << 8) | osvi.dwMinorVersion;
321 MSVCRT__winmajor = osvi.dwMajorVersion;
322 MSVCRT__winminor = osvi.dwMinorVersion;
323 MSVCRT__osver = osvi.dwBuildNumber;
324 MSVCRT__osplatform = osvi.dwPlatformId;
325 MSVCRT_osversion = MSVCRT__winver;
326 MSVCRT_osmajor = MSVCRT__winmajor;
327 MSVCRT_osminor = MSVCRT__winminor;
328 MSVCRT_baseversion = MSVCRT__osver;
329 MSVCRT_baseminor = MSVCRT_baseversion & 0xFF;
330 MSVCRT_basemajor = (MSVCRT_baseversion >> 8) & 0xFF;
331 TRACE( "winver %08x winmajor %08x winminor %08x osver%08x baseversion %08x basemajor %08x baseminor %08x\n",
332 MSVCRT__winver, MSVCRT__winmajor, MSVCRT__winminor, MSVCRT__osver, MSVCRT_baseversion,
333 MSVCRT_basemajor, MSVCRT_baseminor);
334 TRACE( "osversion %08x osmajor %08x osminor %08x\n", MSVCRT_osversion, MSVCRT_osmajor, MSVCRT_osminor);
336 MSVCRT__HUGE = HUGE_VAL;
337 MSVCRT___setlc_active = 0;
338 MSVCRT___unguarded_readlc_active = 0;
339 MSVCRT__fmode = MSVCRT__O_TEXT;
341 MSVCRT__environ = msvcrt_SnapshotOfEnvironmentA(NULL);
342 MSVCRT___initenv = msvcrt_SnapshotOfEnvironmentA(NULL);
343 MSVCRT___winitenv = msvcrt_SnapshotOfEnvironmentW(NULL);
345 MSVCRT__pgmptr = HeapAlloc(GetProcessHeap(), 0, MAX_PATH);
348 if (!GetModuleFileNameA(0, MSVCRT__pgmptr, MAX_PATH))
349 MSVCRT__pgmptr[0] = '\0';
351 MSVCRT__pgmptr[MAX_PATH - 1] = '\0';
354 MSVCRT__wpgmptr = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
357 if (!GetModuleFileNameW(0, MSVCRT__wpgmptr, MAX_PATH))
358 MSVCRT__wpgmptr[0] = '\0';
360 MSVCRT__wpgmptr[MAX_PATH - 1] = '\0';
365 /* INTERNAL: free memory used by args */
366 void msvcrt_free_args(void)
368 /* FIXME: more things to free */
369 HeapFree(GetProcessHeap(), 0, MSVCRT___initenv);
370 HeapFree(GetProcessHeap(), 0, MSVCRT___winitenv);
371 HeapFree(GetProcessHeap(), 0, MSVCRT__environ);
372 HeapFree(GetProcessHeap(), 0, MSVCRT__wenviron);
373 HeapFree(GetProcessHeap(), 0, MSVCRT__pgmptr);
374 HeapFree(GetProcessHeap(), 0, MSVCRT__wpgmptr);
377 /*********************************************************************
378 * __getmainargs (MSVCRT.@)
380 void CDECL __getmainargs(int *argc, char** *argv, char** *envp,
381 int expand_wildcards, int *new_mode)
383 TRACE("(%p,%p,%p,%d,%p).\n", argc, argv, envp, expand_wildcards, new_mode);
384 *argc = MSVCRT___argc;
385 *argv = MSVCRT___argv;
386 *envp = MSVCRT___initenv;
388 MSVCRT__set_new_mode( *new_mode );
391 /*********************************************************************
392 * __wgetmainargs (MSVCRT.@)
394 void CDECL __wgetmainargs(int *argc, MSVCRT_wchar_t** *wargv, MSVCRT_wchar_t** *wenvp,
395 int expand_wildcards, int *new_mode)
397 TRACE("(%p,%p,%p,%d,%p).\n", argc, wargv, wenvp, expand_wildcards, new_mode);
399 /* Initialize the _wenviron array if it's not already created. */
400 if (!MSVCRT__wenviron)
401 MSVCRT__wenviron = msvcrt_SnapshotOfEnvironmentW(NULL);
402 *argc = MSVCRT___argc;
403 *wargv = MSVCRT___wargv;
404 *wenvp = MSVCRT___winitenv;
406 MSVCRT__set_new_mode( *new_mode );
409 /*********************************************************************
410 * _initterm (MSVCRT.@)
412 void CDECL _initterm(_INITTERMFUN *start,_INITTERMFUN *end)
414 _INITTERMFUN* current = start;
416 TRACE("(%p,%p)\n",start,end);
421 TRACE("Call init function %p\n",*current);
429 /*********************************************************************
430 * _initterm_e (MSVCRT.@)
432 * call an array of application initialization functions and report the return value
434 int CDECL _initterm_e(_INITTERM_E_FN *table, _INITTERM_E_FN *end)
438 TRACE("(%p, %p)\n", table, end);
440 while (!res && table < end) {
442 TRACE("calling %p\n", **table);
445 TRACE("function %p failed: 0x%x\n", *table, res);
453 /*********************************************************************
454 * __set_app_type (MSVCRT.@)
456 void CDECL MSVCRT___set_app_type(int app_type)
458 TRACE("(%d) %s application\n", app_type, app_type == 2 ? "Gui" : "Console");
459 MSVCRT_app_type = app_type;