[PATCH] libiconv-1.10-ja detects a false ENOMEM error

libiconv-1.10-ja-errno.patch

iconv_open() detects a false ENOMEM error on aliases_lookup_with_env()
if errno is already set to ENOMEM and getenv("CHARSET_ALIAS")
returns NULL.

-- SATOH Fumiyasu @ OSS Technology, Inc., 2009-03-26

diff -rup libiconv-1.10-ja/lib/iconv.c libiconv-1.10-ja-errno/lib/iconv.c
--- libiconv-1.10-ja/lib/iconv.c	2009-03-25 21:06:55.000000000 +0900
+++ libiconv-1.10-ja-errno/lib/iconv.c	2009-03-25 21:06:16.000000000 +0900
@@ -246,6 +246,8 @@ aliases_lookup_with_env (register const 
   char *new_name;
   const struct alias *ap = NULL;
 
+  errno = 0;
+
   charset_alias = getenv("CHARSET_ALIAS");
   if (!charset_alias) {
     return NULL;