dlls/msvcrt/data.c

   1 /*
   2  * msvcrt.dll dll data items
   3  *
   4  * Copyright 2000 Jon Griffiths
   5  */
   6 #include <math.h>
   7 #include "msvcrt.h"
   8
   9 #include "msvcrt/stdlib.h"
  10 #include "msvcrt/string.h"
  11
  12
  13 DEFAULT_DEBUG_CHANNEL(msvcrt);
  14
  15 unsigned int MSVCRT___argc;
  16 unsigned int MSVCRT_basemajor;/* FIXME: */
  17 unsigned int MSVCRT_baseminor;/* FIXME: */
  18 unsigned int MSVCRT_baseversion; /* FIXME: */
  19 unsigned int MSVCRT__commode;
  20 unsigned int MSVCRT__fmode;
  21 unsigned int MSVCRT_osmajor;/* FIXME: */
  22 unsigned int MSVCRT_osminor;/* FIXME: */
  23 unsigned int MSVCRT_osmode;/* FIXME: */
  24 unsigned int MSVCRT__osver;
  25 unsigned int MSVCRT_osversion; /* FIXME: */
  26 unsigned int MSVCRT__winmajor;
  27 unsigned int MSVCRT__winminor;
  28 unsigned int MSVCRT__winver;
  29 unsigned int MSVCRT__sys_nerr; /* FIXME: not accessible from Winelib apps */
  30 char**       MSVCRT__sys_errlist; /* FIXME: not accessible from Winelib apps */
  31 unsigned int MSVCRT___setlc_active;
  32 unsigned int MSVCRT___unguarded_readlc_active;
  33 double MSVCRT__HUGE;
  34 char **MSVCRT___argv;
  35 WCHAR **MSVCRT___wargv;
  36 char *MSVCRT__acmdln;
  37 WCHAR *MSVCRT__wcmdln;
  38 char **MSVCRT__environ;
  39 WCHAR **MSVCRT__wenviron;
  40 char **MSVCRT___initenv;
  41 WCHAR **MSVCRT___winitenv;
  42 int MSVCRT_timezone;
  43 int MSVCRT_app_type;
  44
  45 typedef void (*_INITTERMFUN)(void);
  46
  47 /***********************************************************************
  48  *              __p___argc (MSVCRT.@)
  49  */
  50 int* __p___argc(void) { return &MSVCRT___argc; }
  51
  52 /***********************************************************************
  53  *              __p__commode (MSVCRT.@)
  54  */
  55 unsigned int* __p__commode(void) { return &MSVCRT__commode; }
  56
  57 /***********************************************************************
  58  *              __p__fmode (MSVCRT.@)
  59  */
  60 unsigned int* __p__fmode(void) { return &MSVCRT__fmode; }
  61
  62 /***********************************************************************
  63  *              __p__osver (MSVCRT.@)
  64  */
  65 unsigned int* __p__osver(void) { return &MSVCRT__osver; }
  66
  67 /***********************************************************************
  68  *              __p__winmajor (MSVCRT.@)
  69  */
  70 unsigned int* __p__winmajor(void) { return &MSVCRT__winmajor; }
  71
  72 /***********************************************************************
  73  *              __p__winminor (MSVCRT.@)
  74  */
  75 unsigned int* __p__winminor(void) { return &MSVCRT__winminor; }
  76
  77 /***********************************************************************
  78  *              __p__winver (MSVCRT.@)
  79  */
  80 unsigned int* __p__winver(void) { return &MSVCRT__winver; }
  81
  82 /*********************************************************************
  83  *              __p__acmdln (MSVCRT.@)
  84  */
  85 char** __p__acmdln(void) { return &MSVCRT__acmdln; }
  86
  87 /*********************************************************************
  88  *              __p__wcmdln (MSVCRT.@)
  89  */
  90 WCHAR** __p__wcmdln(void) { return &MSVCRT__wcmdln; }
  91
  92 /*********************************************************************
  93  *              __p___argv (MSVCRT.@)
  94  */
  95 char*** __p___argv(void) { return &MSVCRT___argv; }
  96
  97 /*********************************************************************
  98  *              __p___wargv (MSVCRT.@)
  99  */
 100 WCHAR*** __p___wargv(void) { return &MSVCRT___wargv; }
 101
 102 /*********************************************************************
 103  *              __p__environ (MSVCRT.@)
 104  */
 105 char*** __p__environ(void) { return &MSVCRT__environ; }
 106
 107 /*********************************************************************
 108  *              __p__wenviron (MSVCRT.@)
 109  */
 110 WCHAR*** __p__wenviron(void) { return &MSVCRT__wenviron; }
 111
 112 /*********************************************************************
 113  *              __p___initenv (MSVCRT.@)
 114  */
 115 char*** __p___initenv(void) { return &MSVCRT___initenv; }
 116
 117 /*********************************************************************
 118  *              __p___winitenv (MSVCRT.@)
 119  */
 120 WCHAR*** __p___winitenv(void) { return &MSVCRT___winitenv; }
 121
 122 /*********************************************************************
 123  *              __p__timezone (MSVCRT.@)
 124  */
 125 int* __p__timezone(void) { return &MSVCRT_timezone; }
 126
 127 /* INTERNAL: Create a wide string from an ascii string */
 128 static WCHAR *wstrdupa(const char *str)
 129 {
 130   const size_t len = strlen(str) + 1 ;
 131   WCHAR *wstr = MSVCRT_malloc(len* sizeof (WCHAR));
 132   if (!wstr)
 133     return NULL;
 134    MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,str,len*sizeof(char),wstr,len* sizeof (WCHAR));
 135   return wstr;
 136 }
 137
 138 /* INTERNAL: Since we can't rely on Winelib startup code calling w/getmainargs,
 139  * we initialise data values during DLL loading. The when called by a native
 140  * program we simply return the data we've already initialised. This also means
 141  * you can call multiple times without leaking
 142  */
 143 void msvcrt_init_args(void)
 144 {
 145   char *cmdline, **xargv = NULL;
 146   WCHAR *wcmdline, **wxargv = NULL;
 147   int xargc,end,last_arg,afterlastspace;
 148   DWORD version;
 149
 150   MSVCRT__acmdln = _strdup( GetCommandLineA() );
 151   MSVCRT__wcmdln = wcmdline = wstrdupa(MSVCRT__acmdln);
 152
 153   /* Make a copy of MSVCRT__acmdln to be able modify it.
 154      We will free it at the end of processing. */
 155   cmdline = _strdup(MSVCRT__acmdln);
 156
 157   TRACE("got '%s', wide = '%s'\n", cmdline, debugstr_w(wcmdline));
 158
 159   version = GetVersion();
 160   MSVCRT__osver       = version >> 16;
 161   MSVCRT__winminor    = version & 0xFF;
 162   MSVCRT__winmajor    = (version>>8) & 0xFF;
 163   MSVCRT_baseversion = version >> 16;
 164   MSVCRT__winver     = ((version >> 8) & 0xFF) + ((version & 0xFF) << 8);
 165   MSVCRT_baseminor   = (version >> 16) & 0xFF;
 166   MSVCRT_basemajor   = (version >> 24) & 0xFF;
 167   MSVCRT_osversion   = version & 0xFFFF;
 168   MSVCRT_osminor     = version & 0xFF;
 169   MSVCRT_osmajor     = (version>>8) & 0xFF;
 170   MSVCRT__sys_nerr   = 43;
 171   MSVCRT__HUGE = HUGE_VAL;
 172   MSVCRT___setlc_active = 0;
 173   MSVCRT___unguarded_readlc_active = 0;
 174   MSVCRT_timezone = 0;
 175
 176   /* FIXME: set app type for Winelib apps */
 177
 178   end = last_arg = xargc = afterlastspace = 0;
 179   while (1)
 180   {
 181     if ((cmdline[end]==' ') || (cmdline[end]=='\0'))
 182     {
 183       if (cmdline[end]=='\0')
 184         last_arg=1;
 185       else
 186         cmdline[end]='\0';
 187       /* alloc xargc + NULL entry */
 188       xargv=(char**)HeapReAlloc( GetProcessHeap(), 0, xargv,
 189                                 sizeof(char*)*(xargc+1));
 190       wxargv=(WCHAR**)HeapReAlloc( GetProcessHeap(), 0, wxargv,
 191                                   sizeof(WCHAR*)*(xargc+1));
 192
 193       if (strlen(cmdline+afterlastspace))
 194       {
 195         xargv[xargc] = _strdup(cmdline+afterlastspace);
 196         wxargv[xargc] = wstrdupa(xargv[xargc]);
 197         xargc++;
 198         if (!last_arg) /* need to seek to the next arg ? */
 199         {
 200           end++;
 201           while (cmdline[end]==' ')
 202             end++;
 203         }
 204         afterlastspace=end;
 205       }
 206       else
 207       {
 208         xargv[xargc] = NULL;
 209         wxargv[xargc] = NULL; /* the last entry is NULL */
 210         break;
 211       }
 212     }
 213     else
 214       end++;
 215   }
 216   MSVCRT___argc = xargc;
 217   MSVCRT___argv = xargv;
 218   MSVCRT___wargv = wxargv;
 219
 220   /* Free a no more needed copy of the command line */
 221   MSVCRT_free( cmdline );
 222
 223   TRACE("found %d arguments\n",MSVCRT___argc);
 224   /* FIXME: This is plain wrong, we must convert from a '\0' separated
 225    * memory block to an array of pointers to string format.
 226    */
 227   MSVCRT__environ = GetEnvironmentStringsA();
 228   MSVCRT___initenv = MSVCRT__environ;
 229   /* FIXME: This is plain wrong, we must convert from a '\0' separated
 230    * memory block to an array of pointers to string format.
 231    */
 232   MSVCRT__wenviron = GetEnvironmentStringsW();
 233   MSVCRT___winitenv = MSVCRT__wenviron;
 234 }
 235
 236
 237 /* INTERNAL: free memory used by args */
 238 void msvcrt_free_args(void)
 239 {
 240   /* FIXME */
 241 }
 242
 243 /*********************************************************************
 244  *              __getmainargs (MSVCRT.@)
 245  */
 246 void __getmainargs(int *argc, char** *argv, char** *envp,
 247                                   int expand_wildcards, int *new_mode)
 248 {
 249   TRACE("(%p,%p,%p,%d,%p).\n", argc, argv, envp, expand_wildcards, new_mode);
 250   *argc = MSVCRT___argc;
 251   *argv = MSVCRT___argv;
 252   *envp = MSVCRT__environ;
 253   MSVCRT__set_new_mode( *new_mode );
 254 }
 255
 256 /*********************************************************************
 257  *              __wgetmainargs (MSVCRT.@)
 258  */
 259 void __wgetmainargs(int *argc, WCHAR** *wargv, WCHAR** *wenvp,
 260                                    int expand_wildcards, int *new_mode)
 261 {
 262   TRACE("(%p,%p,%p,%d,%p).\n", argc, wargv, wenvp, expand_wildcards, new_mode);
 263   *argc = MSVCRT___argc;
 264   *wargv = MSVCRT___wargv;
 265   *wenvp = MSVCRT__wenviron;
 266   MSVCRT__set_new_mode( *new_mode );
 267 }
 268
 269 /*********************************************************************
 270  *              _initterm (MSVCRT.@)
 271  */
 272 unsigned int _initterm(_INITTERMFUN *start,_INITTERMFUN *end)
 273 {
 274   _INITTERMFUN* current = start;
 275
 276   TRACE("(%p,%p)\n",start,end);
 277   while (current<end)
 278   {
 279     if (*current)
 280     {
 281       TRACE("Call init function %p\n",*current);
 282       (**current)();
 283       TRACE("returned\n");
 284     }
 285     current++;
 286   }
 287   return 0;
 288 }
 289
 290 /*********************************************************************
 291  *              __set_app_type (MSVCRT.@)
 292  */
 293 void MSVCRT___set_app_type(int app_type)
 294 {
 295   TRACE("(%d) %s application\n", app_type, app_type == 2 ? "Gui" : "Console");
 296   MSVCRT_app_type = app_type;
 297 }