1 /*
2 * msvcrt.dll dll data items
3 *
4 * Copyright 2000 Jon Griffiths
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <math.h>
25 #include "msvcrt.h"
26 #include "wine/library.h"
27 #include "wine/unicode.h"
28 #include "wine/debug.h"
29
30 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
31
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_osversion = 0; /* FIXME: */
43 unsigned int MSVCRT__winmajor = 0;
44 unsigned int MSVCRT__winminor = 0;
45 unsigned int MSVCRT__winver = 0;
46 unsigned int MSVCRT___setlc_active = 0;
47 unsigned int MSVCRT___unguarded_readlc_active = 0;
48 double MSVCRT__HUGE = 0;
49 char **MSVCRT___argv = NULL;
50 MSVCRT_wchar_t **MSVCRT___wargv = NULL;
51 char *MSVCRT__acmdln = NULL;
52 MSVCRT_wchar_t *MSVCRT__wcmdln = NULL;
53 char **MSVCRT__environ = NULL;
54 MSVCRT_wchar_t **MSVCRT__wenviron = NULL;
55 char **MSVCRT___initenv = NULL;
56 MSVCRT_wchar_t **MSVCRT___winitenv = NULL;
57 int MSVCRT_app_type = 0;
58 char* MSVCRT__pgmptr = NULL;
59 WCHAR* MSVCRT__wpgmptr = NULL;
60
61 /* Get a snapshot of the current environment
62 * and construct the __p__environ array
63 *
64 * The pointer returned from GetEnvironmentStrings may get invalid when
65 * some other module cause a reallocation of the env-variable block
66 *
67 * blk is an array of pointers to environment strings, ending with a NULL
68 * and after that the actual copy of the environment strings, ending in a \0
69 */
70 char ** msvcrt_SnapshotOfEnvironmentA(char **blk)
71 {
72 char* environ_strings = GetEnvironmentStringsA();
73 int count = 1, len = 1, i = 0; /* keep space for the trailing NULLS */
74 char *ptr;
75
76 for (ptr = environ_strings; *ptr; ptr += strlen(ptr) + 1)
77 {
78 count++;
79 len += strlen(ptr) + 1;
80 }
81 if (blk)
82 blk = HeapReAlloc( GetProcessHeap(), 0, blk, count* sizeof(char*) + len );
83 else
84 blk = HeapAlloc(GetProcessHeap(), 0, count* sizeof(char*) + len );
85
86 if (blk)
87 {
88 if (count)
89 {
90 memcpy(&blk[count],environ_strings,len);
91 for (ptr = (char*) &blk[count]; *ptr; ptr += strlen(ptr) + 1)
92 {
93 blk[i++] = ptr;
94 }
95 }
96 blk[i] = NULL;
97 }
98 FreeEnvironmentStringsA(environ_strings);
99 return blk;
100 }
101
102 MSVCRT_wchar_t ** msvcrt_SnapshotOfEnvironmentW(MSVCRT_wchar_t **wblk)
103 {
104 MSVCRT_wchar_t* wenviron_strings = GetEnvironmentStringsW();
105 int count = 1, len = 1, i = 0; /* keep space for the trailing NULLS */
106 MSVCRT_wchar_t *wptr;
107
108 for (wptr = wenviron_strings; *wptr; wptr += strlenW(wptr) + 1)
109 {
110 count++;
111 len += strlenW(wptr) + 1;
112 }
113 if (wblk)
114 wblk = HeapReAlloc( GetProcessHeap(), 0, wblk, count* sizeof(MSVCRT_wchar_t*) + len * sizeof(MSVCRT_wchar_t));
115 else
116 wblk = HeapAlloc(GetProcessHeap(), 0, count* sizeof(MSVCRT_wchar_t*) + len * sizeof(MSVCRT_wchar_t));
117 if (wblk)
118 {
119 if (count)
120 {
121 memcpy(&wblk[count],wenviron_strings,len * sizeof(MSVCRT_wchar_t));
122 for (wptr = (MSVCRT_wchar_t*)&wblk[count]; *wptr; wptr += strlenW(wptr) + 1)
123 {
124 wblk[i++] = wptr;
125 }
126 }
127 wblk[i] = NULL;
128 }
129 FreeEnvironmentStringsW(wenviron_strings);
130 return wblk;
131 }
132
133 typedef void (CDECL *_INITTERMFUN)(void);
134
135 /***********************************************************************
136 * __p___argc (MSVCRT.@)
137 */
138 int* CDECL __p___argc(void) { return &MSVCRT___argc; }
139
140 /***********************************************************************
141 * __p__commode (MSVCRT.@)
142 */
143 unsigned int* CDECL __p__commode(void) { return &MSVCRT__commode; }
144
145
146 /***********************************************************************
147 * __p__pgmptr (MSVCRT.@)
148 */
149 char** CDECL __p__pgmptr(void) { return &MSVCRT__pgmptr; }
150
151 /***********************************************************************
152 * __p__wpgmptr (MSVCRT.@)
153 */
154 WCHAR** CDECL __p__wpgmptr(void) { return &MSVCRT__wpgmptr; }
155
156 /***********************************************************************
157 * __p__fmode (MSVCRT.@)
158 */
159 unsigned int* CDECL __p__fmode(void) { return &MSVCRT__fmode; }
160
161 /***********************************************************************
162 * __p__osver (MSVCRT.@)
163 */
164 unsigned int* CDECL __p__osver(void) { return &MSVCRT__osver; }
165
166 /***********************************************************************
167 * __p__winmajor (MSVCRT.@)
168 */
169 unsigned int* CDECL __p__winmajor(void) { return &MSVCRT__winmajor; }
170
171 /***********************************************************************
172 * __p__winminor (MSVCRT.@)
173 */
174 unsigned int* CDECL __p__winminor(void) { return &MSVCRT__winminor; }
175
176 /***********************************************************************
177 * __p__winver (MSVCRT.@)
178 */
179 unsigned int* CDECL __p__winver(void) { return &MSVCRT__winver; }
180
181 /*********************************************************************
182 * __p__acmdln (MSVCRT.@)
183 */
184 char** CDECL __p__acmdln(void) { return &MSVCRT__acmdln; }
185
186 /*********************************************************************
187 * __p__wcmdln (MSVCRT.@)
188 */
189 MSVCRT_wchar_t** CDECL __p__wcmdln(void) { return &MSVCRT__wcmdln; }
190
191 /*********************************************************************
192 * __p___argv (MSVCRT.@)
193 */
194 char*** CDECL __p___argv(void) { return &MSVCRT___argv; }
195
196 /*********************************************************************
197 * __p___wargv (MSVCRT.@)
198 */
199 MSVCRT_wchar_t*** CDECL __p___wargv(void) { return &MSVCRT___wargv; }
200
201 /*********************************************************************
202 * __p__environ (MSVCRT.@)
203 */
204 char*** CDECL __p__environ(void)
205 {
206 if (!MSVCRT__environ)
207 MSVCRT__environ = msvcrt_SnapshotOfEnvironmentA(NULL);
208 return &MSVCRT__environ;
209 }
210
211 /*********************************************************************
212 * __p__wenviron (MSVCRT.@)
213 */
214 MSVCRT_wchar_t*** CDECL __p__wenviron(void)
215 {
216 if (!MSVCRT__wenviron)
217 MSVCRT__wenviron = msvcrt_SnapshotOfEnvironmentW(NULL);
218 return &MSVCRT__wenviron;
219 }
220
221 /*********************************************************************
222 * __p___initenv (MSVCRT.@)
223 */
224 char*** CDECL __p___initenv(void) { return &MSVCRT___initenv; }
225
226 /*********************************************************************
227 * __p___winitenv (MSVCRT.@)
228 */
229 MSVCRT_wchar_t*** CDECL __p___winitenv(void) { return &MSVCRT___winitenv; }
230
231 /* INTERNAL: Create a wide string from an ascii string */
232 MSVCRT_wchar_t *msvcrt_wstrdupa(const char *str)
233 {
234 const unsigned int len = strlen(str) + 1 ;
235 MSVCRT_wchar_t *wstr = MSVCRT_malloc(len* sizeof (MSVCRT_wchar_t));
236 if (!wstr)
237 return NULL;
238 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,str,len,wstr,len);
239 return wstr;
240 }
241
242 /*********************************************************************
243 * ___unguarded_readlc_active_add_func (MSVCRT.@)
244 */
245 unsigned int * CDECL MSVCRT____unguarded_readlc_active_add_func(void)
246 {
247 return &MSVCRT___unguarded_readlc_active;
248 }
249
250 /*********************************************************************
251 * ___setlc_active_func (MSVCRT.@)
252 */
253 unsigned int CDECL MSVCRT____setlc_active_func(void)
254 {
255 return MSVCRT___setlc_active;
256 }
257
258 /* INTERNAL: Since we can't rely on Winelib startup code calling w/getmainargs,
259 * we initialise data values during DLL loading. When called by a native
260 * program we simply return the data we've already initialised. This also means
261 * you can call multiple times without leaking
262 */
263 void msvcrt_init_args(void)
264 {
265 OSVERSIONINFOW osvi;
266
267 MSVCRT__acmdln = _strdup( GetCommandLineA() );
268 MSVCRT__wcmdln = msvcrt_wstrdupa(MSVCRT__acmdln);
269 MSVCRT___argc = __wine_main_argc;
270 MSVCRT___argv = __wine_main_argv;
271 MSVCRT___wargv = __wine_main_wargv;
272
273 TRACE("got %s, wide = %s argc=%d\n", debugstr_a(MSVCRT__acmdln),
274 debugstr_w(MSVCRT__wcmdln),MSVCRT___argc);
275
276 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
277 GetVersionExW( &osvi );
278 MSVCRT__winver = (osvi.dwMajorVersion << 8) | osvi.dwMinorVersion;
279 MSVCRT__winmajor = osvi.dwMajorVersion;
280 MSVCRT__winminor = osvi.dwMinorVersion;
281 MSVCRT__osver = osvi.dwBuildNumber;
282 MSVCRT_osversion = MSVCRT__winver;
283 MSVCRT_osmajor = MSVCRT__winmajor;
284 MSVCRT_osminor = MSVCRT__winminor;
285 MSVCRT_baseversion = MSVCRT__osver;
286 MSVCRT_baseminor = MSVCRT_baseversion & 0xFF;
287 MSVCRT_basemajor = (MSVCRT_baseversion >> 8) & 0xFF;
288 TRACE( "winver %08x winmajor %08x winminor %08x osver%08x baseversion %08x basemajor %08x baseminor %08x\n",
289 MSVCRT__winver, MSVCRT__winmajor, MSVCRT__winminor, MSVCRT__osver, MSVCRT_baseversion,
290 MSVCRT_basemajor, MSVCRT_baseminor);
291 TRACE( "osversion %08x osmajor %08x osminor %08x\n", MSVCRT_osversion, MSVCRT_osmajor, MSVCRT_osminor);
292
293 MSVCRT__HUGE = HUGE_VAL;
294 MSVCRT___setlc_active = 0;
295 MSVCRT___unguarded_readlc_active = 0;
296 MSVCRT__fmode = MSVCRT__O_TEXT;
297
298 MSVCRT___initenv= msvcrt_SnapshotOfEnvironmentA(NULL);
299 MSVCRT___winitenv= msvcrt_SnapshotOfEnvironmentW(NULL);
300
301 MSVCRT__pgmptr = HeapAlloc(GetProcessHeap(), 0, MAX_PATH);
302 if (MSVCRT__pgmptr)
303 {
304 if (!GetModuleFileNameA(0, MSVCRT__pgmptr, MAX_PATH))
305 MSVCRT__pgmptr[0] = '\0';
306 else
307 MSVCRT__pgmptr[MAX_PATH - 1] = '\0';
308 }
309
310 MSVCRT__wpgmptr = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
311 if (MSVCRT__wpgmptr)
312 {
313 if (!GetModuleFileNameW(0, MSVCRT__wpgmptr, MAX_PATH))
314 MSVCRT__wpgmptr[0] = '\0';
315 else
316 MSVCRT__wpgmptr[MAX_PATH - 1] = '\0';
317 }
318 }
319
320
321 /* INTERNAL: free memory used by args */
322 void msvcrt_free_args(void)
323 {
324 /* FIXME: more things to free */
325 HeapFree(GetProcessHeap(), 0, MSVCRT___initenv);
326 HeapFree(GetProcessHeap(), 0, MSVCRT___winitenv);
327 HeapFree(GetProcessHeap(), 0, MSVCRT__environ);
328 HeapFree(GetProcessHeap(), 0, MSVCRT__wenviron);
329 HeapFree(GetProcessHeap(), 0, MSVCRT__pgmptr);
330 HeapFree(GetProcessHeap(), 0, MSVCRT__wpgmptr);
331 }
332
333 /*********************************************************************
334 * __getmainargs (MSVCRT.@)
335 */
336 void CDECL __getmainargs(int *argc, char** *argv, char** *envp,
337 int expand_wildcards, int *new_mode)
338 {
339 TRACE("(%p,%p,%p,%d,%p).\n", argc, argv, envp, expand_wildcards, new_mode);
340 *argc = MSVCRT___argc;
341 *argv = MSVCRT___argv;
342 *envp = MSVCRT___initenv;
343 if (new_mode)
344 MSVCRT__set_new_mode( *new_mode );
345 }
346
347 /*********************************************************************
348 * __wgetmainargs (MSVCRT.@)
349 */
350 void CDECL __wgetmainargs(int *argc, MSVCRT_wchar_t** *wargv, MSVCRT_wchar_t** *wenvp,
351 int expand_wildcards, int *new_mode)
352 {
353 TRACE("(%p,%p,%p,%d,%p).\n", argc, wargv, wenvp, expand_wildcards, new_mode);
354 *argc = MSVCRT___argc;
355 *wargv = MSVCRT___wargv;
356 *wenvp = MSVCRT___winitenv;
357 if (new_mode)
358 MSVCRT__set_new_mode( *new_mode );
359 }
360
361 /*********************************************************************
362 * _initterm (MSVCRT.@)
363 */
364 void CDECL _initterm(_INITTERMFUN *start,_INITTERMFUN *end)
365 {
366 _INITTERMFUN* current = start;
367
368 TRACE("(%p,%p)\n",start,end);
369 while (current<end)
370 {
371 if (*current)
372 {
373 TRACE("Call init function %p\n",*current);
374 (**current)();
375 TRACE("returned\n");
376 }
377 current++;
378 }
379 }
380
381 /*********************************************************************
382 * __set_app_type (MSVCRT.@)
383 */
384 void CDECL MSVCRT___set_app_type(int app_type)
385 {
386 TRACE("(%d) %s application\n", app_type, app_type == 2 ? "Gui" : "Console");
387 MSVCRT_app_type = app_type;
388 }
389
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.