[Zlib-devel] Another gzerror() documentation fix

[Mark Brown]

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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