fixed bugi #59406 in SGML catalog parsing reported by Jun Kuriyama Daniel

* catalog.c: fixed bugi #59406 in SGML catalog parsing reported by
  Jun Kuriyama
Daniel

1 files changed, 3 insertions, 1 deletions

diff --git a/catalog.c b/catalog.c
index 3ec98f8a..2fec3b4d 100644
--- a/catalog.c
+++ b/catalog.c
@@ -1512,8 +1512,10 @@ xmlParseSGMLCatalog(const xmlChar *value, const char *file) {
         return(-1);
     base = xmlStrdup((const xmlChar *) file);
 
-    while ((cur != NULL) && (cur[0] != '0')) {
+    while ((cur != NULL) && (cur[0] != 0)) {
 	SKIP_BLANKS;
+	if (cur[0] == 0)
+	    break;
 	if ((cur[0] == '-') && (cur[1] == '-')) {
 	    cur = xmlParseSGMLCatalogComment(cur);
 	    if (cur == NULL) {