1 files changed, 1 insertions, 1 deletions
diff --git a/zutil.h b/zutil.h
index 902a304..0bd2dbc 100644
--- a/zutil.h
+++ b/zutil.h
@@ -56,7 +56,7 @@ typedef unsigned long  ulg;
 extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
 /* (size given to avoid silly warnings with Visual C++) */
-#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
+#define ERR_MSG(err) z_errmsg[(err) < -6 || (err) > 2 ? 9 : 2 - (err)]
 #define ERR_RETURN(strm,err) \
  return (strm->msg = ERR_MSG(err), (err))

diff --git a/zutil.h b/zutil.h index 902a304..0bd2dbc 100644 --- a/zutil.h +++ b/zutil.h
@@ -56,7 +56,7 @@ typedef unsigned long ulg;
56	extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */	56	extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
57	/* (size given to avoid silly warnings with Visual C++) */	57	/* (size given to avoid silly warnings with Visual C++) */
58		58
59	#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]	59	#define ERR_MSG(err) z_errmsg[(err) < -6 \|\| (err) > 2 ? 9 : 2 - (err)]
60		60
61	#define ERR_RETURN(strm,err) \	61	#define ERR_RETURN(strm,err) \
62	return (strm->msg = ERR_MSG(err), (err))	62	return (strm->msg = ERR_MSG(err), (err))