76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/*
|
|
* Fallbacks for debugging functions when running on Windows
|
|
*
|
|
* Copyright 2019 Alexandre Julliard
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#ifdef _WIN32
|
|
|
|
#include "config.h"
|
|
#include "wine/port.h"
|
|
|
|
#include <stdio.h>
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "wine/debug.h"
|
|
|
|
static const char * (__cdecl *p__wine_dbg_strdup)( const char *str );
|
|
static int (__cdecl *p__wine_dbg_output)( const char *str );
|
|
|
|
static void load_func( void **func, const char *name, void *def )
|
|
{
|
|
if (!*func)
|
|
{
|
|
HMODULE module = GetModuleHandleA( "ntdll.dll" );
|
|
void *proc = GetProcAddress( module, name );
|
|
interlocked_xchg_ptr( func, proc ? proc : def );
|
|
}
|
|
}
|
|
#define LOAD_FUNC(name) load_func( (void **)&p ## name, #name, fallback ## name )
|
|
|
|
/* FIXME: this is not 100% thread-safe */
|
|
static const char * __cdecl fallback__wine_dbg_strdup( const char *str )
|
|
{
|
|
static char *list[32];
|
|
static int pos;
|
|
char *ret = _strdup( str );
|
|
int idx;
|
|
|
|
idx = interlocked_xchg_add( &pos, 1 ) % ARRAY_SIZE(list);
|
|
free( interlocked_xchg_ptr( (void **)&list[idx], ret ));
|
|
return ret;
|
|
}
|
|
|
|
static int __cdecl fallback__wine_dbg_output( const char *str )
|
|
{
|
|
return fwrite( str, 1, strlen(str), stderr );
|
|
}
|
|
|
|
const char * __cdecl __wine_dbg_strdup( const char *str )
|
|
{
|
|
LOAD_FUNC( __wine_dbg_strdup );
|
|
return p__wine_dbg_strdup( str );
|
|
}
|
|
|
|
int __cdecl __wine_dbg_output( const char *str )
|
|
{
|
|
LOAD_FUNC( __wine_dbg_output );
|
|
return p__wine_dbg_output( str );
|
|
}
|
|
|
|
#endif /* _WIN32 */
|