reactos/dll/win32/crtdll/dllmain.c
Serge Gautherie 4213c70e2e
[CRTDLL][CRT] Remove remnant declaration, silence cppcheck false positive.
* _atexit_cleanup is no longer used
* Fix cppcheck 'pointerSize' warning
2020-06-27 14:35:32 +02:00

285 lines
7.5 KiB
C

/*
* dllmain.c
*
* ReactOS CRTDLL.DLL Compatibility Library
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#include "precomp.h"
#include <mbctype.h>
#include <sys/stat.h>
#include <internal/wine/msvcrt.h>
#include <wine/debug.h>
WINE_DEFAULT_DEBUG_CHANNEL(crtdll);
/* from msvcrt */
extern void __getmainargs( int *argc, char ***argv, char ***envp,
int expand_wildcards, int *new_mode );
/* EXTERNAL PROTOTYPES ********************************************************/
extern int BlockEnvToEnvironA(void);
extern int BlockEnvToEnvironW(void);
extern void FreeEnvironment(char **environment);
extern unsigned int _osver;
extern unsigned int _winminor;
extern unsigned int _winmajor;
extern unsigned int _winver;
unsigned int CRTDLL__basemajor_dll = 0;
unsigned int CRTDLL__baseminor_dll = 0;
unsigned int CRTDLL__baseversion_dll = 0;
unsigned int CRTDLL__cpumode_dll = 0;
unsigned int CRTDLL__osmajor_dll = 0;
unsigned int CRTDLL__osminor_dll = 0;
unsigned int CRTDLL__osmode_dll = 0;
unsigned int CRTDLL__osversion_dll = 0;
int _fileinfo_dll;
extern char* _acmdln; /* pointer to ascii command line */
extern wchar_t* _wcmdln; /* pointer to wide character command line */
#undef _environ
extern char** _environ; /* pointer to environment block */
extern char** __initenv; /* pointer to initial environment block */
extern wchar_t** _wenviron; /* pointer to environment block */
extern wchar_t** __winitenv; /* pointer to initial environment block */
/* dev_t is a short in crtdll but an unsigned int in msvcrt */
typedef short crtdll_dev_t;
struct crtdll_stat
{
crtdll_dev_t st_dev;
_ino_t st_ino;
unsigned short st_mode;
short st_nlink;
short st_uid;
short st_gid;
crtdll_dev_t st_rdev;
_off_t st_size;
time_t st_atime;
time_t st_mtime;
time_t st_ctime;
};
/* convert struct _stat from crtdll format to msvcrt format */
static void convert_struct_stat( struct crtdll_stat *dst, const struct _stat *src )
{
dst->st_dev = src->st_dev;
dst->st_ino = src->st_ino;
dst->st_mode = src->st_mode;
dst->st_nlink = src->st_nlink;
dst->st_uid = src->st_uid;
dst->st_gid = src->st_gid;
dst->st_rdev = src->st_rdev;
dst->st_size = src->st_size;
dst->st_atime = src->st_atime;
dst->st_mtime = src->st_mtime;
dst->st_ctime = src->st_ctime;
}
/* LIBRARY ENTRY POINT ********************************************************/
BOOL
WINAPI
DllMain(PVOID hinstDll, ULONG dwReason, PVOID reserved)
{
DWORD version;
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
version = GetVersion();
/* initialize version info */
CRTDLL__basemajor_dll = (version >> 24) & 0xFF;
CRTDLL__baseminor_dll = (version >> 16) & 0xFF;
CRTDLL__baseversion_dll = (version >> 16);
CRTDLL__cpumode_dll = 1; /* FIXME */
CRTDLL__osmajor_dll = (version >>8) & 0xFF;
CRTDLL__osminor_dll = (version & 0xFF);
CRTDLL__osmode_dll = 1; /* FIXME */
CRTDLL__osversion_dll = (version & 0xFFFF);
_winmajor = (_osver >> 8) & 0xFF;
_winminor = _osver & 0xFF;
_winver = (_winmajor << 8) + _winminor;
_osver = (_osver >> 16) & 0xFFFF;
/* create tls stuff */
if (!msvcrt_init_tls())
return FALSE;
if (BlockEnvToEnvironA() < 0)
return FALSE;
if (BlockEnvToEnvironW() < 0)
{
FreeEnvironment(_environ);
return FALSE;
}
_acmdln = _strdup(GetCommandLineA());
_wcmdln = _wcsdup(GetCommandLineW());
/* Initialization of the WINE code */
msvcrt_init_mt_locks();
//if(!msvcrt_init_locale()) {
//msvcrt_free_mt_locks();
// msvcrt_free_tls_mem();
//return FALSE;
//}
//msvcrt_init_math();
msvcrt_init_io();
//msvcrt_init_console();
//msvcrt_init_args();
//msvcrt_init_signals();
_setmbcp(_MB_CP_LOCALE);
TRACE("Attach done\n");
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
msvcrt_free_tls_mem();
break;
case DLL_PROCESS_DETACH:
TRACE("Detach\n");
/* Deinit of the WINE code */
msvcrt_free_io();
if (reserved) break;
msvcrt_free_popen_data();
msvcrt_free_mt_locks();
//msvcrt_free_console();
//msvcrt_free_args();
//msvcrt_free_signals();
msvcrt_free_tls_mem();
if (!msvcrt_free_tls())
return FALSE;
//MSVCRT__free_locale(MSVCRT_locale);
if (__winitenv && __winitenv != _wenviron)
FreeEnvironment((char**)__winitenv);
if (_wenviron)
FreeEnvironment((char**)_wenviron);
if (__initenv && __initenv != _environ)
FreeEnvironment(__initenv);
if (_environ)
FreeEnvironment(_environ);
TRACE("Detach done\n");
break;
}
return TRUE;
}
/*********************************************************************
* __GetMainArgs (CRTDLL.@)
*/
void __GetMainArgs( int *argc, char ***argv, char ***envp, int expand_wildcards )
{
int new_mode = 0;
__getmainargs( argc, argv, envp, expand_wildcards, &new_mode );
}
/*********************************************************************
* _fstat (CRTDLL.@)
*/
int CRTDLL__fstat(int fd, struct crtdll_stat* buf)
{
extern int _fstat(int,struct _stat*);
struct _stat st;
int ret;
if (!(ret = _fstat( fd, &st ))) convert_struct_stat( buf, &st );
return ret;
}
/*********************************************************************
* _stat (CRTDLL.@)
*/
int CRTDLL__stat(const char* path, struct crtdll_stat * buf)
{
extern int _stat(const char*,struct _stat*);
struct _stat st;
int ret;
if (!(ret = _stat( path, &st ))) convert_struct_stat( buf, &st );
return ret;
}
/*********************************************************************
* _strdec (CRTDLL.@)
*/
char *_strdec(const char *str1, const char *str2)
{
return (char *)(str2 - 1);
}
/*********************************************************************
* _strinc (CRTDLL.@)
*/
char *_strinc(const char *str)
{
return (char *)(str + 1);
}
/*********************************************************************
* _strncnt (CRTDLL.@)
*/
size_t _strncnt(const char *str, size_t maxlen)
{
size_t len = strlen(str);
return (len > maxlen) ? maxlen : len;
}
/*********************************************************************
* _strnextc (CRTDLL.@)
*/
unsigned int _strnextc(const char *str)
{
return (unsigned int)str[0];
}
/*********************************************************************
* _strninc (CRTDLL.@)
*/
char *_strninc(const char *str, size_t len)
{
return (char *)(str + len);
}
/*********************************************************************
* _strspnp (CRTDLL.@)
*/
char *_strspnp( const char *str1, const char *str2)
{
str1 += strspn( str1, str2 );
return *str1 ? (char*)str1 : NULL;
}
/* EOF */