Do not die if tag has no message

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/parsing.c b/parsing.c
index 8aad1dd..1013dad 100644
--- a/parsing.c
+++ b/parsing.c
@@ -199,47 +199,47 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
 
 
 struct taginfo *cgit_parse_tag(struct tag *tag)
 {
         void *data;
         char type[20];
         unsigned long size;
         char *p, *t;
         struct taginfo *ret;
 
         data = read_sha1_file(tag->object.sha1, type, &size);
         if (!data || strcmp(type, tag_type)) {
                 free(data);
                 return 0;
         }
         
         ret = xmalloc(sizeof(*ret));
         ret->tagger = NULL;
         ret->tagger_email = NULL;
         ret->tagger_date = 0;
         ret->msg = NULL;
 
         p = data;
 
-        while (p) {
+        while (p && *p) {
                 if (*p == '\n')
                         break;
 
                 if (!strncmp(p, "tagger ", 7)) {
                         p += 7;
                         t = strchr(p, '<') - 1;
                         ret->tagger = substr(p, t);
                         p = t;
                         t = strchr(t, '>') + 1;
                         ret->tagger_email = substr(p, t);
                         ret->tagger_date = atol(++t);
                 }
                 p = strchr(p, '\n') + 1;
         }
 
         while (p && (*p == '\n'))
                 p = strchr(p, '\n') + 1;
-        if (p)
+        if (p && *p)
                 ret->msg = xstrdup(p);
         free(data);
         return ret;
 }