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Make PHYSFS_exists() work with mounts from PHYSFS_mountIo(io, NULL, ...) 

(Actually, from any mount function that accepts a bogus/NULL filename.)
This commit is contained in:
Ryan C. Gordon 2017-08-14 03:06:42 -04:00
parent 3b7ee3974c
commit cfe3f0180b
1 changed files with 11 additions and 5 deletions
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16
src/physfs.c
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@ -2170,9 +2170,9 @@ int PHYSFS_delete(const char *_fname)
} /* PHYSFS_delete */
const char *PHYSFS_getRealDir(const char *_fname)
static DirHandle *getRealDirHandle(const char *_fname)
{
const char *retval = NULL;
DirHandle *retval = NULL;
char *fname = NULL;
size_t len;
@ -2189,7 +2189,7 @@ const char *PHYSFS_getRealDir(const char *_fname)
char *arcfname = fname;
if (partOfMountPoint(i, arcfname))
{
retval = i->dirName;
retval = i;
break;
} /* if */
else if (verifyPath(i, &arcfname, 0))
@ -2197,7 +2197,7 @@ const char *PHYSFS_getRealDir(const char *_fname)
PHYSFS_Stat statbuf;
if (i->funcs->stat(i->opaque, arcfname, &statbuf))
{
retval = i->dirName;
retval = i;
break;
} /* if */
} /* if */
@ -2207,6 +2207,12 @@ const char *PHYSFS_getRealDir(const char *_fname)
__PHYSFS_smallFree(fname);
return retval;
} /* getRealDirHandle */
const char *PHYSFS_getRealDir(const char *fname)
{
DirHandle *dh = getRealDirHandle(fname);
return dh ? dh->dirName : NULL;
} /* PHYSFS_getRealDir */
@ -2482,7 +2488,7 @@ void PHYSFS_enumerateFilesCallback(const char *fname,
int PHYSFS_exists(const char *fname)
{
return (PHYSFS_getRealDir(fname) != NULL);
return (getRealDirHandle(fname) != NULL);
} /* PHYSFS_exists */