From: Adam Dickmeiss <adam@indexdata.dk>
Date: Thu, 10 Mar 2011 09:22:53 +0000 (+0100)
Subject: Avoid empty strings for yaz_iconv_open
X-Git-Tag: v4.1.6~1
X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=commitdiff_plain;h=14ce856a0a41fb7923d62bd173cd4d8e130f02f8

Avoid empty strings for yaz_iconv_open

yaz_iconv_open apparently returns a non-null handle in case of
to=(null) and from="" .. Avoid we call it this way. This resulted
in bad records for Pazpar2 and was introduced in YAZ 4.1.5.
---

diff --git a/src/record_render.c b/src/record_render.c
index 16351a2..ddfd391 100644
--- a/src/record_render.c
+++ b/src/record_render.c
@@ -28,7 +28,7 @@ static yaz_iconv_t iconv_create_charset(const char *record_charset,
     char *from_set1 = 0;
     char *from_set2 = 0;
     char *to_set = 0;
-    if (record_charset)
+    if (record_charset && *record_charset)
     {
         char *cp = charset_buf;