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Fix for correct cleanup on read error.

This commit is contained in:
Ryan C. Gordon 2002-07-31 04:18:58 +00:00
parent 8793165653
commit 912ca3266d
1 changed files with 12 additions and 10 deletions
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6
archivers/zip.c
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@ -492,7 +492,7 @@ static PHYSFS_sint64 zip_find_end_of_central_dir(void *in, PHYSFS_sint64 *len)
static int ZIP_isArchive(const char *filename, int forWriting)
{
PHYSFS_uint32 sig;
int retval;
int retval = 0;
void *in;
in = __PHYSFS_platformOpenRead(filename);
@ -502,7 +502,8 @@ static int ZIP_isArchive(const char *filename, int forWriting)
* The first thing in a zip file might be the signature of the
* first local file record, so it makes for a quick determination.
*/
BAIL_IF_MACRO(!readui32(in, &sig), NULL, 0);
if (readui32(in, &sig))
{
retval = (sig == ZIP_LOCAL_FILE_SIG);
if (!retval)
{
@ -513,6 +514,7 @@ static int ZIP_isArchive(const char *filename, int forWriting)
*/
retval = (zip_find_end_of_central_dir(in, NULL) != -1);
} /* if */
} /* if */
__PHYSFS_platformClose(in);
return(retval);