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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 unsigned int MSVCRT___argc;
33 unsigned int MSVCRT_basemajor;/* FIXME: */
34 unsigned int MSVCRT_baseminor;/* FIXME: */
35 unsigned int MSVCRT_baseversion; /* FIXME: */
36 unsigned int MSVCRT__commode;
37 unsigned int MSVCRT__fmode;
38 unsigned int MSVCRT_osmajor;/* FIXME: */
39 unsigned int MSVCRT_osminor;/* FIXME: */
40 unsigned int MSVCRT_osmode;/* FIXME: */
41 unsigned int MSVCRT__osver;
42 unsigned int MSVCRT_osversion; /* FIXME: */
43 unsigned int MSVCRT__winmajor;
44 unsigned int MSVCRT__winminor;
45 unsigned int MSVCRT__winver;
46 unsigned int MSVCRT__sys_nerr; /* FIXME: not accessible from Winelib apps */
47 char** MSVCRT__sys_errlist; /* FIXME: not accessible from Winelib apps */
48 unsigned int MSVCRT___setlc_active;
49 unsigned int MSVCRT___unguarded_readlc_active;
52 MSVCRT_wchar_t **MSVCRT___wargv;
54 MSVCRT_wchar_t *MSVCRT__wcmdln;
56 MSVCRT_wchar_t **_wenviron = 0;
57 char **MSVCRT___initenv = 0;
58 MSVCRT_wchar_t **MSVCRT___winitenv = 0;
61 char* MSVCRT__pgmptr = 0;
62 WCHAR* MSVCRT__wpgmptr = 0;
64 /* Get a snapshot of the current environment
65 * and construct the __p__environ array
67 * The pointer returned from GetEnvironmentStrings may get invalid when
68 * some other module cause a reallocation of the env-variable block
70 * blk is an array of pointers to environment strings, ending with a NULL
71 * and after that the actual copy of the environment strings, ending in a \0
73 char ** msvcrt_SnapshotOfEnvironmentA(char **blk)
75 char* environ_strings = GetEnvironmentStringsA();
76 int count = 1, len = 1, i = 0; /* keep space for the trailing NULLS */
79 for (ptr = environ_strings; *ptr; ptr += strlen(ptr) + 1)
82 len += strlen(ptr) + 1;
85 blk = HeapReAlloc( GetProcessHeap(), 0, blk, count* sizeof(char*) + len );
87 blk = HeapAlloc(GetProcessHeap(), 0, count* sizeof(char*) + len );
93 memcpy(&blk[count],environ_strings,len);
94 for (ptr = (char*) &blk[count]; *ptr; ptr += strlen(ptr) + 1)
101 FreeEnvironmentStringsA(environ_strings);
105 MSVCRT_wchar_t ** msvcrt_SnapshotOfEnvironmentW(MSVCRT_wchar_t **wblk)
107 MSVCRT_wchar_t* wenviron_strings = GetEnvironmentStringsW();
108 int count = 1, len = 1, i = 0; /* keep space for the trailing NULLS */
109 MSVCRT_wchar_t *wptr;
111 for (wptr = wenviron_strings; *wptr; wptr += strlenW(wptr) + 1)
114 len += strlenW(wptr) + 1;
117 wblk = HeapReAlloc( GetProcessHeap(), 0, wblk, count* sizeof(MSVCRT_wchar_t*) + len * sizeof(MSVCRT_wchar_t));
119 wblk = HeapAlloc(GetProcessHeap(), 0, count* sizeof(MSVCRT_wchar_t*) + len * sizeof(MSVCRT_wchar_t));
124 memcpy(&wblk[count],wenviron_strings,len * sizeof(MSVCRT_wchar_t));
125 for (wptr = (MSVCRT_wchar_t*)&wblk[count]; *wptr; wptr += strlenW(wptr) + 1)
132 FreeEnvironmentStringsW(wenviron_strings);
136 typedef void (*_INITTERMFUN)(void);
138 /***********************************************************************
139 * __p___argc (MSVCRT.@)
141 int* __p___argc(void) { return &MSVCRT___argc; }
143 /***********************************************************************
144 * __p__commode (MSVCRT.@)
146 unsigned int* __p__commode(void) { return &MSVCRT__commode; }
149 /***********************************************************************
150 * __p__pgmptr (MSVCRT.@)
152 char** __p__pgmptr(void) { return &MSVCRT__pgmptr; }
154 /***********************************************************************
155 * __p__wpgmptr (MSVCRT.@)
157 WCHAR** __p__wpgmptr(void) { return &MSVCRT__wpgmptr; }
159 /***********************************************************************
160 * __p__fmode (MSVCRT.@)
162 unsigned int* __p__fmode(void) { return &MSVCRT__fmode; }
164 /***********************************************************************
165 * __p__osver (MSVCRT.@)
167 unsigned int* __p__osver(void) { return &MSVCRT__osver; }
169 /***********************************************************************
170 * __p__winmajor (MSVCRT.@)
172 unsigned int* __p__winmajor(void) { return &MSVCRT__winmajor; }
174 /***********************************************************************
175 * __p__winminor (MSVCRT.@)
177 unsigned int* __p__winminor(void) { return &MSVCRT__winminor; }
179 /***********************************************************************
180 * __p__winver (MSVCRT.@)
182 unsigned int* __p__winver(void) { return &MSVCRT__winver; }
184 /*********************************************************************
185 * __p__acmdln (MSVCRT.@)
187 char** __p__acmdln(void) { return &MSVCRT__acmdln; }
189 /*********************************************************************
190 * __p__wcmdln (MSVCRT.@)
192 MSVCRT_wchar_t** __p__wcmdln(void) { return &MSVCRT__wcmdln; }
194 /*********************************************************************
195 * __p___argv (MSVCRT.@)
197 char*** __p___argv(void) { return &MSVCRT___argv; }
199 /*********************************************************************
200 * __p___wargv (MSVCRT.@)
202 MSVCRT_wchar_t*** __p___wargv(void) { return &MSVCRT___wargv; }
204 /*********************************************************************
205 * __p__environ (MSVCRT.@)
207 char*** __p__environ(void)
210 _environ = msvcrt_SnapshotOfEnvironmentA(NULL);
214 /*********************************************************************
215 * __p__wenviron (MSVCRT.@)
217 MSVCRT_wchar_t*** __p__wenviron(void)
220 _wenviron = msvcrt_SnapshotOfEnvironmentW(NULL);
224 /*********************************************************************
225 * __p___initenv (MSVCRT.@)
227 char*** __p___initenv(void) { return &MSVCRT___initenv; }
229 /*********************************************************************
230 * __p___winitenv (MSVCRT.@)
232 MSVCRT_wchar_t*** __p___winitenv(void) { return &MSVCRT___winitenv; }
234 /*********************************************************************
235 * __p__timezone (MSVCRT.@)
237 int* __p__timezone(void) { return &MSVCRT_timezone; }
239 /* INTERNAL: Create a wide string from an ascii string */
240 static MSVCRT_wchar_t *wstrdupa(const char *str)
242 const size_t len = strlen(str) + 1 ;
243 MSVCRT_wchar_t *wstr = MSVCRT_malloc(len* sizeof (MSVCRT_wchar_t));
246 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,str,len,wstr,len);
250 /* INTERNAL: Since we can't rely on Winelib startup code calling w/getmainargs,
251 * we initialise data values during DLL loading. When called by a native
252 * program we simply return the data we've already initialised. This also means
253 * you can call multiple times without leaking
255 void msvcrt_init_args(void)
259 MSVCRT__acmdln = _strdup( GetCommandLineA() );
260 MSVCRT__wcmdln = wstrdupa(MSVCRT__acmdln);
261 MSVCRT___argc = __wine_main_argc;
262 MSVCRT___argv = __wine_main_argv;
263 MSVCRT___wargv = __wine_main_wargv;
265 TRACE("got %s, wide = %s argc=%d\n", debugstr_a(MSVCRT__acmdln),
266 debugstr_w(MSVCRT__wcmdln),MSVCRT___argc);
268 version = GetVersion();
269 MSVCRT__osver = version >> 16;
270 MSVCRT__winminor = version & 0xFF;
271 MSVCRT__winmajor = (version>>8) & 0xFF;
272 MSVCRT_baseversion = version >> 16;
273 MSVCRT__winver = ((version >> 8) & 0xFF) + ((version & 0xFF) << 8);
274 MSVCRT_baseminor = (version >> 16) & 0xFF;
275 MSVCRT_basemajor = (version >> 24) & 0xFF;
276 MSVCRT_osversion = version & 0xFFFF;
277 MSVCRT_osminor = version & 0xFF;
278 MSVCRT_osmajor = (version>>8) & 0xFF;
279 MSVCRT__sys_nerr = 43;
280 MSVCRT__HUGE = HUGE_VAL;
281 MSVCRT___setlc_active = 0;
282 MSVCRT___unguarded_readlc_active = 0;
284 MSVCRT__fmode = MSVCRT__O_TEXT;
286 MSVCRT___initenv= msvcrt_SnapshotOfEnvironmentA(NULL);
287 MSVCRT___winitenv= msvcrt_SnapshotOfEnvironmentW(NULL);
289 MSVCRT__pgmptr = HeapAlloc(GetProcessHeap(), 0, MAX_PATH);
292 if (!GetModuleFileNameA(0, MSVCRT__pgmptr, MAX_PATH))
293 MSVCRT__pgmptr[0] = '\0';
295 MSVCRT__pgmptr[MAX_PATH - 1] = '\0';
298 MSVCRT__wpgmptr = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
301 if (!GetModuleFileNameW(0, MSVCRT__wpgmptr, MAX_PATH))
302 MSVCRT__wpgmptr[0] = '\0';
304 MSVCRT__wpgmptr[MAX_PATH - 1] = '\0';
309 /* INTERNAL: free memory used by args */
310 void msvcrt_free_args(void)
312 /* FIXME: more things to free */
313 HeapFree(GetProcessHeap(), 0, MSVCRT___initenv);
314 HeapFree(GetProcessHeap(), 0, MSVCRT___winitenv);
315 HeapFree(GetProcessHeap(), 0, _environ);
316 HeapFree(GetProcessHeap(), 0, _wenviron);
317 HeapFree(GetProcessHeap(), 0, MSVCRT__pgmptr);
318 HeapFree(GetProcessHeap(), 0, MSVCRT__wpgmptr);
321 /*********************************************************************
322 * __getmainargs (MSVCRT.@)
324 void __getmainargs(int *argc, char** *argv, char** *envp,
325 int expand_wildcards, int *new_mode)
327 TRACE("(%p,%p,%p,%d,%p).\n", argc, argv, envp, expand_wildcards, new_mode);
328 *argc = MSVCRT___argc;
329 *argv = MSVCRT___argv;
330 *envp = MSVCRT___initenv;
332 MSVCRT__set_new_mode( *new_mode );
335 /*********************************************************************
336 * __wgetmainargs (MSVCRT.@)
338 void __wgetmainargs(int *argc, MSVCRT_wchar_t** *wargv, MSVCRT_wchar_t** *wenvp,
339 int expand_wildcards, int *new_mode)
341 TRACE("(%p,%p,%p,%d,%p).\n", argc, wargv, wenvp, expand_wildcards, new_mode);
342 *argc = MSVCRT___argc;
343 *wargv = MSVCRT___wargv;
344 *wenvp = MSVCRT___winitenv;
346 MSVCRT__set_new_mode( *new_mode );
349 /*********************************************************************
350 * _initterm (MSVCRT.@)
352 unsigned int _initterm(_INITTERMFUN *start,_INITTERMFUN *end)
354 _INITTERMFUN* current = start;
356 TRACE("(%p,%p)\n",start,end);
361 TRACE("Call init function %p\n",*current);
370 /*********************************************************************
371 * __set_app_type (MSVCRT.@)
373 void MSVCRT___set_app_type(int app_type)
375 TRACE("(%d) %s application\n", app_type, app_type == 2 ? "Gui" : "Console");
376 MSVCRT_app_type = app_type;