From: Adam Dickmeiss <adam@indexdata.dk>
Date: Wed, 3 Dec 2014 16:34:43 +0000 (+0100)
Subject: Fix yaz-marcdump segfault YAZ-801
X-Git-Tag: v5.7.1~1
X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=commitdiff_plain;h=3d6e2f0931ae87fe01e857d4573d946f6cd8e6f1;ds=sidebyside

Fix yaz-marcdump segfault YAZ-801
---

diff --git a/src/marcdisp.c b/src/marcdisp.c
index 85acb07..f03d70f 100644
--- a/src/marcdisp.c
+++ b/src/marcdisp.c
@@ -1468,7 +1468,7 @@ void yaz_marc_write_using_libxml2(yaz_marc_t mt, int enable)
 int yaz_marc_check_marc21_coding(const char *charset,
                                  const char *marc_buf, int sz)
 {
-    if ((!yaz_matchstr(charset, "MARC8?") ||
+    if (charset && (!yaz_matchstr(charset, "MARC8?") ||
          !yaz_matchstr(charset, "MARC8"))  && marc_buf && sz > 25
         && marc_buf[9] == 'a')
         return 1;