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PHYSFS_getRealDir() can't report a path for things that aren't real files.

This commit is contained in:
Ryan C. Gordon 2010-08-29 21:36:38 -04:00
parent 5ff1a2a12e
commit d9e98704f7
2 changed files with 12 additions and 1 deletions
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8
src/physfs.c
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@ -1828,15 +1828,21 @@ const char *PHYSFS_getRealDir(const char *_fname)
{
DirHandle *i;
__PHYSFS_platformGrabMutex(stateLock);
for (i = searchPath; ((i != NULL) && (retval == NULL)); i = i->next)
for (i = searchPath; i != NULL; i = i->next)
{
char *arcfname = fname;
if (partOfMountPoint(i, arcfname))
{
retval = i->dirName;
break;
} /* if */
else if (verifyPath(i, &arcfname, 0))
{
if (i->funcs->exists(i->opaque, arcfname))
{
retval = i->dirName;
break;
} /* if */
} /* if */
} /* for */
__PHYSFS_platformReleaseMutex(stateLock);

5
src/physfs.h
View File

@ -1020,6 +1020,11 @@ PHYSFS_DECL int PHYSFS_delete(const char *filename);
* be associated with the first archive mounted there, even though that
* directory isn't necessarily contained in a real archive.
*
* \warning This will return NULL if there is no real directory associated
* with (filename). Specifically, PHYSFS_mountIo(),
* PHYSFS_mountMemory(), and PHYSFS_mountHandle() will return NULL
* even if the filename is found in the search path. Plan accordingly.
*
* \param filename file to look for.
* \return READ ONLY string of element of search path containing the
* the file in question. NULL if not found.