Initial import of zlib-1.1.1

PR:		5869
Reviewed by:	jdp

1 files changed, 19 insertions, 5 deletions

diff --git a/lib/libz/zutil.c b/lib/libz/zutil.c
index 734e275..5a3fe6e 100644
--- a/lib/libz/zutil.c
+++ b/lib/libz/zutil.c
@@ -1,11 +1,9 @@
 /* zutil.c -- target dependent utility functions for the compression library
- * Copyright (C) 1995-1996 Jean-loup Gailly.
+ * Copyright (C) 1995-1998 Jean-loup Gailly.
  * For conditions of distribution and use, see copyright notice in zlib.h 
  */
 
-/* $Id: zutil.c,v 1.17 1996/07/24 13:41:12 me Exp $ */
-
-#include <stdio.h>
+/* @(#) $Id$ */
 
 #include "zutil.h"
 
@@ -28,12 +26,18 @@ const char *z_errmsg[10] = {
 ""};
 
 
-const char *zlibVersion()
+const char * ZEXPORT zlibVersion()
 {
     return ZLIB_VERSION;
 }
 
 #ifdef DEBUG
+
+#  ifndef verbose
+#    define verbose 0
+#  endif
+int z_verbose = verbose;
+
 void z_error (m)
     char *m;
 {
@@ -42,6 +46,16 @@ void z_error (m)
 }
 #endif
 
+/* exported to allow conversion of error code to string for compress() and
+ * uncompress()
+ */
+const char * ZEXPORT zError(err)
+    int err;
+{
+    return ERR_MSG(err);
+}
+
+
 #ifndef HAVE_MEMCPY
 
 void zmemcpy(dest, source, len)