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Code Issues 2 Projects Releases Wiki Activity

DO NOT MERGE filesystem: add naive FixFileCase

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This commit is contained in:
Alibek Omarov 2022-12-21 07:34:31 +03:00
parent 3393e2d95c
commit ac59f25375
1 changed files with 61 additions and 0 deletions
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61
filesystem/dir.c
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@ -213,6 +213,7 @@ static int FS_MaybeUpdateDirEntries( dir_t *dir, const char *path, const char *e
return FS_FindDirEntry( dir, entryname );
}
#if 1
qboolean FS_FixFileCase( dir_t *dir, const char *path, char *dst, size_t len, qboolean createpath )
{
const char *prev = path;
@ -325,6 +326,66 @@ qboolean FS_FixFileCase( dir_t *dir, const char *path, char *dst, size_t len, qb
return true;
}
#else
qboolean FS_FixFileCase( dir_t *dir, const char *path, char *dst, size_t len, qboolean createpath )
{
const char *prev = path;
const char *next = Q_strchrnul( prev, PATH_SEPARATOR );
size_t i = Q_strlen( dst ); // dst is expected to have searchpath filename
while( true )
{
stringlist_t list;
char entryname[MAX_SYSPATH];
int idx;
// get our entry name
Q_strncpy( entryname, prev, next - prev + 1 );
stringlistinit( &list );
listdirectory( &list, dst, false );
for( idx = 0; idx < list.numstrings; idx++ )
{
if( !Q_stricmp( list.strings[idx], entryname ))
break;
}
if( idx != list.numstrings )
{
i += Q_strncpy( &dst[i], list.strings[idx], len - i );
if( i >= len ) // overflow!
{
Con_Printf( "%s: overflow while searching %s (appending fixed file name)\n", __FUNCTION__, path );
return false;
}
}
else
{
stringlistfreecontents( &list );
return false;
}
stringlistfreecontents( &list );
// end of string, found file, return
if( next[0] == '\0' )
break;
// move pointer one character forward, find next path split character
prev = next + 1;
next = Q_strchrnul( prev, PATH_SEPARATOR );
i += Q_strncpy( &dst[i], PATH_SEPARATOR_STR, len - i );
if( i >= len ) // overflow!
{
Con_Printf( "%s: overflow while searching %s (path separator)\n", __FUNCTION__, path );
return false;
}
}
return true;
}
#endif
static void FS_Close_DIR( searchpath_t *search )
{