Since gzclose() closes the file and deallocates the data structure for it it is not possible to call gzerror() using the file that was just closed even on error. This patch adds a note to that effect to the gzclose() documentation.
--- zlib-1.2.3/zlib.h.orig 2006-02-18 08:37:38.000000000 +0000
+++ zlib-1.2.3/zlib.h 2006-02-25 12:02:18.000000000 +0000
@@ -1230,7 +1230,8 @@
/*
Flushes all pending output if necessary, closes the compressed file
and deallocates all the (de)compression state. The return value is the zlib
- error number (see function gzerror below).
+ error number (see function gzerror below). Note that even when an error
+ is returned the file will be closed so gzerror cannot be called.
*/
ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum));
--
"You grabbed my hand and we fell into it, like a daydream - or a fever."
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