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 DEFAULT_DEBUG_CHANNEL(msvcrt);
  10
  11 unsigned int MSVCRT___argc;
  12 unsigned int MSVCRT_basemajor;/* FIXME: */
  13 unsigned int MSVCRT_baseminor;/* FIXME: */
  14 unsigned int MSVCRT_baseversion; /* FIXME: */
  15 unsigned int MSVCRT__commode;
  16 unsigned int MSVCRT__fmode;
  17 unsigned int MSVCRT_osmajor;/* FIXME: */
  18 unsigned int MSVCRT_osminor;/* FIXME: */
  19 unsigned int MSVCRT_osmode;/* FIXME: */
  20 unsigned int MSVCRT__osver;
  21 unsigned int MSVCRT_osversion; /* FIXME: */
  22 unsigned int MSVCRT__winmajor;
  23 unsigned int MSVCRT__winminor;
  24 unsigned int MSVCRT__winver;
  25 unsigned int MSVCRT__sys_nerr;
  26 unsigned int MSVCRT___setlc_active;
  27 unsigned int MSVCRT___unguarded_readlc_active;
  28 double MSVCRT__HUGE;
  29 char **MSVCRT___argv;
  30 WCHAR **MSVCRT___wargv;
  31 char *MSVCRT__acmdln;
  32 WCHAR *MSVCRT__wcmdln;
  33 char *MSVCRT__environ;
  34 WCHAR *MSVCRT__wenviron;
  35 char **MSVCRT___initenv;
  36 WCHAR **MSVCRT___winitenv;
  37 int MSVCRT_timezone;
  38 int MSVCRT_app_type;
  39
  40 typedef void (__cdecl *MSVCRT__INITTERMFUN)(void);
  41
  42 char * __cdecl MSVCRT__strdup(const char *);
  43
  44 /* Data access functions */
  45 #define GET_UINT_PTR(x) unsigned int __cdecl *MSVCRT___p_##x(void) { return &MSVCRT_##x; }
  46 GET_UINT_PTR(__argc)
  47 GET_UINT_PTR(_commode)
  48 GET_UINT_PTR(_fmode)
  49 GET_UINT_PTR(_osver)
  50 GET_UINT_PTR(_winmajor)
  51 GET_UINT_PTR(_winminor)
  52 GET_UINT_PTR(_winver)
  53 char **__cdecl MSVCRT___p__acmdln(void) { return &MSVCRT__acmdln; }
  54 WCHAR **__cdecl MSVCRT___p__wcmdln(void) { return &MSVCRT__wcmdln; }
  55 char ***__cdecl MSVCRT___p___argv(void) { return &MSVCRT___argv; }
  56 WCHAR ***__cdecl MSVCRT___p___wargv(void) { return &MSVCRT___wargv; }
  57 char **__cdecl MSVCRT___p__environ(void) { return &MSVCRT__environ; }
  58 WCHAR **__cdecl MSVCRT___p__wenviron(void) { return &MSVCRT__wenviron; }
  59 char ***__cdecl MSVCRT___p___initenv(void) { return &MSVCRT___initenv; }
  60 WCHAR ***__cdecl MSVCRT___p___winitenv(void) { return &MSVCRT___winitenv; }
  61 int *__cdecl MSVCRT___p__timezone(void) { return &MSVCRT_timezone; }
  62
  63 /* INTERNAL: Create a wide string from an ascii string */
  64 static WCHAR *wstrdupa(const char *str)
  65 {
  66   const size_t len = strlen(str) + 1 ;
  67   WCHAR *wstr = MSVCRT_malloc(len* sizeof (WCHAR));
  68   if (!wstr)
  69     return NULL;
  70    MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,str,len*sizeof(char),wstr,len* sizeof (WCHAR));
  71   return wstr;
  72 }
  73
  74 /* INTERNAL: Since we can't rely on Winelib startup code calling w/getmainargs,
  75  * we initialise data values during DLL loading. The when called by a native
  76  * program we simply return the data we've already initialised. This also means
  77  * you can call multiple times without leaking
  78  */
  79 void MSVCRT_init_args(void)
  80 {
  81   char *cmdline, **xargv = NULL;
  82   WCHAR *wcmdline, **wxargv = NULL;
  83   int xargc,end,last_arg,afterlastspace;
  84   DWORD version;
  85
  86   MSVCRT__acmdln = cmdline = MSVCRT__strdup( GetCommandLineA() );
  87   MSVCRT__wcmdln = wcmdline = wstrdupa(cmdline);
  88   TRACE("got '%s', wide = '%s'\n", cmdline, debugstr_w(wcmdline));
  89
  90   version = GetVersion();
  91   MSVCRT__osver       = version >> 16;
  92   MSVCRT__winminor    = version & 0xFF;
  93   MSVCRT__winmajor    = (version>>8) & 0xFF;
  94   MSVCRT_baseversion = version >> 16;
  95   MSVCRT__winver     = ((version >> 8) & 0xFF) + ((version & 0xFF) << 8);
  96   MSVCRT_baseminor   = (version >> 16) & 0xFF;
  97   MSVCRT_basemajor   = (version >> 24) & 0xFF;
  98   MSVCRT_osversion   = version & 0xFFFF;
  99   MSVCRT_osminor     = version & 0xFF;
 100   MSVCRT_osmajor     = (version>>8) & 0xFF;
 101   MSVCRT__sys_nerr   = 43;
 102   MSVCRT__HUGE = HUGE_VAL;
 103   MSVCRT___setlc_active = 0;
 104   MSVCRT___unguarded_readlc_active = 0;
 105   MSVCRT_timezone = 0;
 106
 107   /* FIXME: set app type for Winelib apps */
 108
 109   end = last_arg = xargc = afterlastspace = 0;
 110   while (1)
 111   {
 112     if ((cmdline[end]==' ') || (cmdline[end]=='\0'))
 113     {
 114       if (cmdline[end]=='\0')
 115         last_arg=1;
 116       else
 117         cmdline[end]='\0';
 118       /* alloc xargc + NULL entry */
 119       xargv=(char**)HeapReAlloc( GetProcessHeap(), 0, xargv,
 120                                 sizeof(char*)*(xargc+1));
 121       wxargv=(WCHAR**)HeapReAlloc( GetProcessHeap(), 0, wxargv,
 122                                   sizeof(WCHAR*)*(xargc+1));
 123
 124       if (strlen(cmdline+afterlastspace))
 125       {
 126         xargv[xargc] = MSVCRT__strdup(cmdline+afterlastspace);
 127         wxargv[xargc] = wstrdupa(xargv[xargc]);
 128         xargc++;
 129         if (!last_arg) /* need to seek to the next arg ? */
 130         {
 131           end++;
 132           while (cmdline[end]==' ')
 133             end++;
 134         }
 135         afterlastspace=end;
 136       }
 137       else
 138       {
 139         xargv[xargc] = NULL;
 140         wxargv[xargc] = NULL; /* the last entry is NULL */
 141         break;
 142       }
 143     }
 144     else
 145       end++;
 146   }
 147   MSVCRT___argc = xargc;
 148   MSVCRT___argv = xargv;
 149   MSVCRT___wargv = wxargv;
 150
 151   TRACE("found %d arguments\n",MSVCRT___argc);
 152   MSVCRT__environ = GetEnvironmentStringsA();
 153   MSVCRT___initenv = &MSVCRT__environ;
 154   MSVCRT__wenviron = GetEnvironmentStringsW();
 155   MSVCRT___winitenv = &MSVCRT__wenviron;
 156 }
 157
 158
 159 /* INTERNAL: free memory used by args */
 160 void MSVCRT_free_args(void)
 161 {
 162   /* FIXME */
 163 }
 164
 165 /*********************************************************************
 166  *              __getmainargs (MSVCRT.@)
 167  */
 168 char** __cdecl MSVCRT___getmainargs(DWORD *argc,char ***argv,char **environ,DWORD flag)
 169 {
 170   TRACE("(%p,%p,%p,%ld).\n",argc,argv,environ,flag);
 171   *argc = MSVCRT___argc;
 172   *argv = MSVCRT___argv;
 173   *environ = MSVCRT__environ;
 174   return environ;
 175 }
 176
 177 /*********************************************************************
 178  *              __wgetmainargs (MSVCRT.@)
 179  */
 180 WCHAR** __cdecl MSVCRT___wgetmainargs(DWORD *argc,WCHAR ***wargv,WCHAR **wenviron,DWORD flag)
 181 {
 182   TRACE("(%p,%p,%p,%ld).\n",argc,wargv,wenviron,flag);
 183   *argc = MSVCRT___argc;
 184   *wargv = MSVCRT___wargv;
 185   *wenviron = MSVCRT__wenviron;
 186   return wenviron;
 187 }
 188
 189 /*********************************************************************
 190  *              _initterm (MSVCRT.@)
 191  */
 192 unsigned int __cdecl MSVCRT__initterm(MSVCRT__INITTERMFUN *start,MSVCRT__INITTERMFUN *end)
 193 {
 194   MSVCRT__INITTERMFUN*current = start;
 195
 196   TRACE("(%p,%p)\n",start,end);
 197   while (current<end)
 198   {
 199     if (*current)
 200     {
 201       TRACE("Call init function %p\n",*current);
 202       (**current)();
 203       TRACE("returned\n");
 204     }
 205     current++;
 206   }
 207   return 0;
 208 }
 209
 210 /*********************************************************************
 211  *              __set_app_type (MSVCRT.@)
 212  */
 213 void __cdecl MSVCRT___set_app_type(int app_type)
 214 {
 215   TRACE("(%d) %s application\n", app_type, app_type == 2 ? "Gui" : "Console");
 216   MSVCRT_app_type = app_type;
 217 }