Fix yaz-marcdump segfault YAZ-801

[yaz-moved-to-github.git] / src / marcdisp.c

diff --git a/src/marcdisp.c b/src/marcdisp.c
index 3271889..f03d70f 100644 (file)
--- a/src/marcdisp.c
+++ b/src/marcdisp.c
@@ -1465,6 +1465,16 @@ void yaz_marc_write_using_libxml2(yaz_marc_t mt, int enable)
     mt->write_using_libxml2 = enable;
 }
 
+int yaz_marc_check_marc21_coding(const char *charset,
+                                 const char *marc_buf, int sz)
+{
+    if (charset && (!yaz_matchstr(charset, "MARC8?") ||
+         !yaz_matchstr(charset, "MARC8"))  && marc_buf && sz > 25
+        && marc_buf[9] == 'a')
+        return 1;
+    return 0;
+}
+
 /*
  * Local variables:
  * c-basic-offset: 4