system/wine
system/wine
1
0
Fork 0
mirror of git://source.winehq.org/git/wine.git synced 2024-08-31 09:04:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

libwine: Added magic handling of dll path when running in build dir.

Browse source 
This should ensure that we do the right thing in the build dir even if
WINEDLLPATH isn't set.
This commit is contained in:
Alexandre Julliard 2006-03-17 13:08:08 +01:00
parent 060d53748d
commit 4db364cb77
1 changed files with 43 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

52
libs/wine/loader.c
View file

@ -56,8 +56,10 @@ char **__wine_main_environ = NULL;
struct dll_path_context
{
int index;
char *buffer;
int index; /* current index in the dll path list */
char *buffer; /* buffer used for storing path names */
char *name; /* start of file name part in buffer (including leading slash) */
int namelen; /* length of file name without .so extension */
};
#define MAX_DLLS 100
@ -74,6 +76,7 @@ static const IMAGE_NT_HEADERS *main_exe;
static load_dll_callback_t load_dll_callback;
static const char *build_dir;
static const char *default_dlldir;
static const char **dll_paths;
static int nb_dll_paths;
@ -112,6 +115,10 @@ static void build_dll_path(void)
dll_path_maxlen = strlen(dlldir);
dll_paths[nb_dll_paths++] = dlldir;
}
else if ((build_dir = wine_get_build_dir()))
{
dll_path_maxlen = strlen(build_dir) + sizeof("/programs");
}
if (count)
{
@ -144,18 +151,43 @@ inline static int file_exists( const char *name )
return (fd != -1);
}
inline static char *prepend( char *buffer, const char *str, size_t len )
{
return memcpy( buffer - len, str, len );
}
/* get a filename from the next entry in the dll path */
static char *next_dll_path( struct dll_path_context *context )
{
int index = context->index++;
int namelen = context->namelen;
char *path = context->name;
if (index < nb_dll_paths)
switch(index)
{
int len = strlen( dll_paths[index] );
char *path = context->buffer + dll_path_maxlen - len;
memcpy( path, dll_paths[index], len );
case 0: /* try programs dir for .exe files */
if (namelen > 4 && !memcmp( context->name + namelen - 4, ".exe", 4 ))
{
path = prepend( path, context->name, namelen - 4 );
path = prepend( path, "/programs", sizeof("/programs") - 1 );
path = prepend( path, build_dir, strlen(build_dir) );
return path;
}
context->index++;
/* fall through */
case 1: /* try dlls dir with subdir prefix */
if (namelen > 4 && !memcmp( context->name + namelen - 4, ".dll", 4 )) namelen -= 4;
path = prepend( path, context->name, namelen );
/* fall through */
case 2: /* try dlls dir without prefix */
path = prepend( path, "/dlls", sizeof("/dlls") - 1 );
path = prepend( path, build_dir, strlen(build_dir) );
return path;
default:
index -= 3;
if (index < nb_dll_paths)
return prepend( context->name, dll_paths[index], strlen( dll_paths[index] ));
break;
}
return NULL;
}
@ -167,11 +199,13 @@ static char *first_dll_path( const char *name, const char *ext, struct dll_path_
char *p;
int namelen = strlen( name );
context->buffer = p = malloc( dll_path_maxlen + namelen + strlen(ext) + 2 );
context->index = 0;
context->buffer = malloc( dll_path_maxlen + 2 * namelen + strlen(ext) + 3 );
context->index = build_dir ? 0 : 3; /* if no build dir skip all the build dir magic cases */
context->name = context->buffer + dll_path_maxlen + namelen + 1;
context->namelen = namelen + 1;
/* store the name at the end of the buffer, followed by extension */
p += dll_path_maxlen;
p = context->name;
*p++ = '/';
memcpy( p, name, namelen );
strcpy( p + namelen, ext );