wine/dlls/msvcrt/data.c
Jon Griffiths 622a343e9f Implement __p__wpgmptr, _wpgmptr.
Avoid using static storage for pgm pointers.
2003-07-18 22:54:47 +00:00

371 lines
11 KiB
C

/*
* msvcrt.dll dll data items
*
* Copyright 2000 Jon Griffiths
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <math.h>
#include "msvcrt.h"
#include "msvcrt/stdlib.h"
#include "msvcrt/string.h"
#include "wine/library.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_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; /* FIXME: not accessible from Winelib apps */
char** MSVCRT__sys_errlist; /* FIXME: not accessible from Winelib apps */
unsigned int MSVCRT___setlc_active;
unsigned int MSVCRT___unguarded_readlc_active;
double MSVCRT__HUGE;
char **MSVCRT___argv;
MSVCRT_wchar_t **MSVCRT___wargv;
char *MSVCRT__acmdln;
MSVCRT_wchar_t *MSVCRT__wcmdln;
char **MSVCRT__environ = 0;
MSVCRT_wchar_t **MSVCRT__wenviron = 0;
char **MSVCRT___initenv = 0;
MSVCRT_wchar_t **MSVCRT___winitenv = 0;
int MSVCRT_timezone;
int MSVCRT_app_type;
char* MSVCRT__pgmptr = 0;
WCHAR* MSVCRT__wpgmptr = 0;
/* Get a snapshot of the current environment
* and construct the __p__environ array
*
* The pointer returned from GetEnvironmentStrings may get invalid when
* some other module cause a reallocation of the env-variable block
*
* blk is an array of pointers to environment strings, ending with a NULL
* and after that the actual copy of the environment strings, ending in a \0
*/
char ** msvcrt_SnapshotOfEnvironmentA(char **blk)
{
char* environ_strings = GetEnvironmentStringsA();
int count = 1, len = 1, i = 0; /* keep space for the trailing NULLS */
char *ptr;
for (ptr = environ_strings; *ptr; ptr += strlen(ptr) + 1)
{
count++;
len += strlen(ptr) + 1;
}
if (blk)
blk = HeapReAlloc( GetProcessHeap(), 0, blk, count* sizeof(char*) + len );
else
blk = HeapAlloc(GetProcessHeap(), 0, count* sizeof(char*) + len );
if (blk)
{
if (count)
{
memcpy(&blk[count],environ_strings,len);
for (ptr = (char*) &blk[count]; *ptr; ptr += strlen(ptr) + 1)
{
blk[i++] = ptr;
}
}
blk[i] = NULL;
}
FreeEnvironmentStringsA(environ_strings);
return blk;
}
MSVCRT_wchar_t ** msvcrt_SnapshotOfEnvironmentW(MSVCRT_wchar_t **wblk)
{
MSVCRT_wchar_t* wenviron_strings = GetEnvironmentStringsW();
int count = 1, len = 1, i = 0; /* keep space for the trailing NULLS */
MSVCRT_wchar_t *wptr;
for (wptr = wenviron_strings; *wptr; wptr += strlenW(wptr) + 1)
{
count++;
len += strlenW(wptr) + 1;
}
if (wblk)
wblk = HeapReAlloc( GetProcessHeap(), 0, wblk, count* sizeof(MSVCRT_wchar_t*) + len * sizeof(MSVCRT_wchar_t));
else
wblk = HeapAlloc(GetProcessHeap(), 0, count* sizeof(MSVCRT_wchar_t*) + len * sizeof(MSVCRT_wchar_t));
if (wblk)
{
if (count)
{
memcpy(&wblk[count],wenviron_strings,len * sizeof(MSVCRT_wchar_t));
for (wptr = (MSVCRT_wchar_t*)&wblk[count]; *wptr; wptr += strlenW(wptr) + 1)
{
wblk[i++] = wptr;
}
}
wblk[i] = NULL;
}
FreeEnvironmentStringsW(wenviron_strings);
return wblk;
}
typedef void (*_INITTERMFUN)(void);
/***********************************************************************
* __p___argc (MSVCRT.@)
*/
int* __p___argc(void) { return &MSVCRT___argc; }
/***********************************************************************
* __p__commode (MSVCRT.@)
*/
unsigned int* __p__commode(void) { return &MSVCRT__commode; }
/***********************************************************************
* __p__pgmptr (MSVCRT.@)
*/
char** __p__pgmptr(void) { return &MSVCRT__pgmptr; }
/***********************************************************************
* __p__wpgmptr (MSVCRT.@)
*/
WCHAR** __p__wpgmptr(void) { return &MSVCRT__wpgmptr; }
/***********************************************************************
* __p__fmode (MSVCRT.@)
*/
unsigned int* __p__fmode(void) { return &MSVCRT__fmode; }
/***********************************************************************
* __p__osver (MSVCRT.@)
*/
unsigned int* __p__osver(void) { return &MSVCRT__osver; }
/***********************************************************************
* __p__winmajor (MSVCRT.@)
*/
unsigned int* __p__winmajor(void) { return &MSVCRT__winmajor; }
/***********************************************************************
* __p__winminor (MSVCRT.@)
*/
unsigned int* __p__winminor(void) { return &MSVCRT__winminor; }
/***********************************************************************
* __p__winver (MSVCRT.@)
*/
unsigned int* __p__winver(void) { return &MSVCRT__winver; }
/*********************************************************************
* __p__acmdln (MSVCRT.@)
*/
char** __p__acmdln(void) { return &MSVCRT__acmdln; }
/*********************************************************************
* __p__wcmdln (MSVCRT.@)
*/
MSVCRT_wchar_t** __p__wcmdln(void) { return &MSVCRT__wcmdln; }
/*********************************************************************
* __p___argv (MSVCRT.@)
*/
char*** __p___argv(void) { return &MSVCRT___argv; }
/*********************************************************************
* __p___wargv (MSVCRT.@)
*/
MSVCRT_wchar_t*** __p___wargv(void) { return &MSVCRT___wargv; }
/*********************************************************************
* __p__environ (MSVCRT.@)
*/
char*** __p__environ(void)
{
if (!MSVCRT__environ)
MSVCRT__environ = msvcrt_SnapshotOfEnvironmentA(NULL);
return &MSVCRT__environ;
}
/*********************************************************************
* __p__wenviron (MSVCRT.@)
*/
MSVCRT_wchar_t*** __p__wenviron(void)
{
if (!MSVCRT__wenviron)
MSVCRT__wenviron = msvcrt_SnapshotOfEnvironmentW(NULL);
return &MSVCRT__wenviron;
}
/*********************************************************************
* __p___initenv (MSVCRT.@)
*/
char*** __p___initenv(void) { return &MSVCRT___initenv; }
/*********************************************************************
* __p___winitenv (MSVCRT.@)
*/
MSVCRT_wchar_t*** __p___winitenv(void) { return &MSVCRT___winitenv; }
/*********************************************************************
* __p__timezone (MSVCRT.@)
*/
int* __p__timezone(void) { return &MSVCRT_timezone; }
/* INTERNAL: Create a wide string from an ascii string */
static MSVCRT_wchar_t *wstrdupa(const char *str)
{
const size_t len = strlen(str) + 1 ;
MSVCRT_wchar_t *wstr = MSVCRT_malloc(len* sizeof (MSVCRT_wchar_t));
if (!wstr)
return NULL;
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED,str,len,wstr,len);
return wstr;
}
/* INTERNAL: Since we can't rely on Winelib startup code calling w/getmainargs,
* we initialise data values during DLL loading. 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)
{
DWORD version;
MSVCRT__acmdln = _strdup( GetCommandLineA() );
MSVCRT__wcmdln = wstrdupa(MSVCRT__acmdln);
MSVCRT___argc = __wine_main_argc;
MSVCRT___argv = __wine_main_argv;
MSVCRT___wargv = __wine_main_wargv;
TRACE("got '%s', wide = %s argc=%d\n", MSVCRT__acmdln,
debugstr_w(MSVCRT__wcmdln),MSVCRT___argc);
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;
MSVCRT___initenv= msvcrt_SnapshotOfEnvironmentA(NULL);
MSVCRT___winitenv= msvcrt_SnapshotOfEnvironmentW(NULL);
MSVCRT__pgmptr = HeapAlloc(GetProcessHeap(), 0, MAX_PATH);
if (MSVCRT__pgmptr)
GetModuleFileNameA(0, MSVCRT__pgmptr, MAX_PATH);
MSVCRT__wpgmptr = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR));
if (MSVCRT__wpgmptr)
GetModuleFileNameW(0, MSVCRT__wpgmptr, MAX_PATH);
}
/* INTERNAL: free memory used by args */
void msvcrt_free_args(void)
{
/* FIXME: more things to free */
if (MSVCRT___initenv) HeapFree(GetProcessHeap(), 0, MSVCRT___initenv);
if (MSVCRT___winitenv) HeapFree(GetProcessHeap(), 0, MSVCRT___winitenv);
if (MSVCRT__environ) HeapFree(GetProcessHeap(), 0, MSVCRT__environ);
if (MSVCRT__wenviron) HeapFree(GetProcessHeap(), 0, MSVCRT__wenviron);
if (MSVCRT__pgmptr) HeapFree(GetProcessHeap(), 0, MSVCRT__pgmptr);
if (MSVCRT__wpgmptr) HeapFree(GetProcessHeap(), 0, MSVCRT__wpgmptr);
}
/*********************************************************************
* __getmainargs (MSVCRT.@)
*/
void __getmainargs(int *argc, char** *argv, char** *envp,
int expand_wildcards, int *new_mode)
{
TRACE("(%p,%p,%p,%d,%p).\n", argc, argv, envp, expand_wildcards, new_mode);
*argc = MSVCRT___argc;
*argv = MSVCRT___argv;
*envp = MSVCRT___initenv;
if (new_mode)
MSVCRT__set_new_mode( *new_mode );
}
/*********************************************************************
* __wgetmainargs (MSVCRT.@)
*/
void __wgetmainargs(int *argc, MSVCRT_wchar_t** *wargv, MSVCRT_wchar_t** *wenvp,
int expand_wildcards, int *new_mode)
{
TRACE("(%p,%p,%p,%d,%p).\n", argc, wargv, wenvp, expand_wildcards, new_mode);
*argc = MSVCRT___argc;
*wargv = MSVCRT___wargv;
*wenvp = MSVCRT___winitenv;
if (new_mode)
MSVCRT__set_new_mode( *new_mode );
}
/*********************************************************************
* _initterm (MSVCRT.@)
*/
unsigned int _initterm(_INITTERMFUN *start,_INITTERMFUN *end)
{
_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 MSVCRT___set_app_type(int app_type)
{
TRACE("(%d) %s application\n", app_type, app_type == 2 ? "Gui" : "Console");
MSVCRT_app_type = app_type;
}