wine/dlls/msvcrt/data.c
Dmitry Timoshkov 5ab5e1c5df Fix prototypes of MSVCRT___getmainargs and MSVCRT___wgetmainargs.
Protect MSVCRT__acmdln global variable from corruption.
2001-02-20 00:51:49 +00:00

285 lines
8.5 KiB
C

/*
* msvcrt.dll dll data items
*
* Copyright 2000 Jon Griffiths
*/
#include <math.h>
#include "msvcrt.h"
DEFAULT_DEBUG_CHANNEL(msvcrt);
unsigned int MSVCRT___argc;
unsigned int MSVCRT_basemajor;/* FIXME: */
unsigned int MSVCRT_baseminor;/* FIXME: */
unsigned int MSVCRT_baseversion; /* FIXME: */
unsigned int MSVCRT__commode;
unsigned int MSVCRT__fmode;
unsigned int MSVCRT_osmajor;/* FIXME: */
unsigned int MSVCRT_osminor;/* FIXME: */
unsigned int MSVCRT_osmode;/* FIXME: */
unsigned int MSVCRT__osver;
unsigned int MSVCRT_osversion; /* FIXME: */
unsigned int MSVCRT__winmajor;
unsigned int MSVCRT__winminor;
unsigned int MSVCRT__winver;
unsigned int MSVCRT__sys_nerr;
unsigned int MSVCRT___setlc_active;
unsigned int MSVCRT___unguarded_readlc_active;
double MSVCRT__HUGE;
char **MSVCRT___argv;
WCHAR **MSVCRT___wargv;
char *MSVCRT__acmdln;
WCHAR *MSVCRT__wcmdln;
char *MSVCRT__environ;
WCHAR *MSVCRT__wenviron;
char **MSVCRT___initenv;
WCHAR **MSVCRT___winitenv;
int MSVCRT_timezone;
int MSVCRT_app_type;
typedef void (__cdecl *MSVCRT__INITTERMFUN)(void);
/***********************************************************************
* __p___argc (MSVCRT.@)
*/
unsigned int *__cdecl MSVCRT___p___argc(void) { return &MSVCRT___argc; }
/***********************************************************************
* __p__commode (MSVCRT.@)
*/
unsigned int *__cdecl MSVCRT___p__commode(void) { return &MSVCRT__commode; }
/***********************************************************************
* __p__fmode (MSVCRT.@)
*/
unsigned int *__cdecl MSVCRT___p__fmode(void) { return &MSVCRT__fmode; }
/***********************************************************************
* __p__osver (MSVCRT.@)
*/
unsigned int *__cdecl MSVCRT___p__osver(void) { return &MSVCRT__osver; }
/***********************************************************************
* __p__winmajor (MSVCRT.@)
*/
unsigned int *__cdecl MSVCRT___p__winmajor(void) { return &MSVCRT__winmajor; }
/***********************************************************************
* __p__winminor (MSVCRT.@)
*/
unsigned int *__cdecl MSVCRT___p__winminor(void) { return &MSVCRT__winminor; }
/***********************************************************************
* __p__winver (MSVCRT.@)
*/
unsigned int *__cdecl MSVCRT___p__winver(void) { return &MSVCRT__winver; }
/*********************************************************************
* __p__acmdln (MSVCRT.@)
*/
char **__cdecl MSVCRT___p__acmdln(void) { return &MSVCRT__acmdln; }
/*********************************************************************
* __p__wcmdln (MSVCRT.@)
*/
WCHAR **__cdecl MSVCRT___p__wcmdln(void) { return &MSVCRT__wcmdln; }
/*********************************************************************
* __p___argv (MSVCRT.@)
*/
char ***__cdecl MSVCRT___p___argv(void) { return &MSVCRT___argv; }
/*********************************************************************
* __p___wargv (MSVCRT.@)
*/
WCHAR ***__cdecl MSVCRT___p___wargv(void) { return &MSVCRT___wargv; }
/*********************************************************************
* __p__environ (MSVCRT.@)
*/
char **__cdecl MSVCRT___p__environ(void) { return &MSVCRT__environ; }
/*********************************************************************
* __p__wenviron (MSVCRT.@)
*/
WCHAR **__cdecl MSVCRT___p__wenviron(void) { return &MSVCRT__wenviron; }
/*********************************************************************
* __p___initenv (MSVCRT.@)
*/
char ***__cdecl MSVCRT___p___initenv(void) { return &MSVCRT___initenv; }
/*********************************************************************
* __p___winitenv (MSVCRT.@)
*/
WCHAR ***__cdecl MSVCRT___p___winitenv(void) { return &MSVCRT___winitenv; }
/*********************************************************************
* __p__timezone (MSVCRT.@)
*/
int *__cdecl MSVCRT___p__timezone(void) { return &MSVCRT_timezone; }
/* INTERNAL: Create a wide string from an ascii string */
static WCHAR *wstrdupa(const char *str)
{
const size_t len = strlen(str) + 1 ;
WCHAR *wstr = MSVCRT_malloc(len* sizeof (WCHAR));
if (!wstr)
return NULL;
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,str,len*sizeof(char),wstr,len* sizeof (WCHAR));
return wstr;
}
/* INTERNAL: Since we can't rely on Winelib startup code calling w/getmainargs,
* we initialise data values during DLL loading. The when called by a native
* program we simply return the data we've already initialised. This also means
* you can call multiple times without leaking
*/
void MSVCRT_init_args(void)
{
char *cmdline, **xargv = NULL;
WCHAR *wcmdline, **wxargv = NULL;
int xargc,end,last_arg,afterlastspace;
DWORD version;
MSVCRT__acmdln = MSVCRT__strdup( GetCommandLineA() );
MSVCRT__wcmdln = wcmdline = wstrdupa(MSVCRT__acmdln);
/* Make a copy of MSVCRT__acmdln to be able modify it.
We will free it at the end of processing. */
cmdline = MSVCRT__strdup(MSVCRT__acmdln);
TRACE("got '%s', wide = '%s'\n", cmdline, debugstr_w(wcmdline));
version = GetVersion();
MSVCRT__osver = version >> 16;
MSVCRT__winminor = version & 0xFF;
MSVCRT__winmajor = (version>>8) & 0xFF;
MSVCRT_baseversion = version >> 16;
MSVCRT__winver = ((version >> 8) & 0xFF) + ((version & 0xFF) << 8);
MSVCRT_baseminor = (version >> 16) & 0xFF;
MSVCRT_basemajor = (version >> 24) & 0xFF;
MSVCRT_osversion = version & 0xFFFF;
MSVCRT_osminor = version & 0xFF;
MSVCRT_osmajor = (version>>8) & 0xFF;
MSVCRT__sys_nerr = 43;
MSVCRT__HUGE = HUGE_VAL;
MSVCRT___setlc_active = 0;
MSVCRT___unguarded_readlc_active = 0;
MSVCRT_timezone = 0;
/* FIXME: set app type for Winelib apps */
end = last_arg = xargc = afterlastspace = 0;
while (1)
{
if ((cmdline[end]==' ') || (cmdline[end]=='\0'))
{
if (cmdline[end]=='\0')
last_arg=1;
else
cmdline[end]='\0';
/* alloc xargc + NULL entry */
xargv=(char**)HeapReAlloc( GetProcessHeap(), 0, xargv,
sizeof(char*)*(xargc+1));
wxargv=(WCHAR**)HeapReAlloc( GetProcessHeap(), 0, wxargv,
sizeof(WCHAR*)*(xargc+1));
if (strlen(cmdline+afterlastspace))
{
xargv[xargc] = MSVCRT__strdup(cmdline+afterlastspace);
wxargv[xargc] = wstrdupa(xargv[xargc]);
xargc++;
if (!last_arg) /* need to seek to the next arg ? */
{
end++;
while (cmdline[end]==' ')
end++;
}
afterlastspace=end;
}
else
{
xargv[xargc] = NULL;
wxargv[xargc] = NULL; /* the last entry is NULL */
break;
}
}
else
end++;
}
MSVCRT___argc = xargc;
MSVCRT___argv = xargv;
MSVCRT___wargv = wxargv;
/* Free a no more needed copy of the command line */
MSVCRT_free( cmdline );
TRACE("found %d arguments\n",MSVCRT___argc);
MSVCRT__environ = GetEnvironmentStringsA();
MSVCRT___initenv = &MSVCRT__environ;
MSVCRT__wenviron = GetEnvironmentStringsW();
MSVCRT___winitenv = &MSVCRT__wenviron;
}
/* INTERNAL: free memory used by args */
void MSVCRT_free_args(void)
{
/* FIXME */
}
/*********************************************************************
* __getmainargs (MSVCRT.@)
*/
void __cdecl MSVCRT___getmainargs(int *argc, char ***argv, char **environ,
int expand_wildcards, void *_startupinfo)
{
TRACE("(%p,%p,%p,%d,%p).\n", argc, argv, environ, expand_wildcards, _startupinfo);
*argc = MSVCRT___argc;
*argv = MSVCRT___argv;
*environ = MSVCRT__environ;
}
/*********************************************************************
* __wgetmainargs (MSVCRT.@)
*/
void __cdecl MSVCRT___wgetmainargs(int *argc, WCHAR ***wargv, WCHAR **wenviron,
int expand_wildcards, void *_startupinfo)
{
TRACE("(%p,%p,%p,%d,%p).\n", argc, wargv, wenviron, expand_wildcards, _startupinfo);
*argc = MSVCRT___argc;
*wargv = MSVCRT___wargv;
*wenviron = MSVCRT__wenviron;
}
/*********************************************************************
* _initterm (MSVCRT.@)
*/
unsigned int __cdecl MSVCRT__initterm(MSVCRT__INITTERMFUN *start,MSVCRT__INITTERMFUN *end)
{
MSVCRT__INITTERMFUN*current = start;
TRACE("(%p,%p)\n",start,end);
while (current<end)
{
if (*current)
{
TRACE("Call init function %p\n",*current);
(**current)();
TRACE("returned\n");
}
current++;
}
return 0;
}
/*********************************************************************
* __set_app_type (MSVCRT.@)
*/
void __cdecl MSVCRT___set_app_type(int app_type)
{
TRACE("(%d) %s application\n", app_type, app_type == 2 ? "Gui" : "Console");
MSVCRT_app_type = app_type;
}