New upstream version 1.1.0+dfsg.1

[libgit2.git] / src / xdiff / xpatience.c

diff --git a/src/xdiff/xpatience.c b/src/xdiff/xpatience.c
index cedf39cc35079e4b4cfecf4639b96dd367e0ed2e..53b7d5fd17fb5ea67bdc226c9484de9afcdf6999 100644 (file)
--- a/src/xdiff/xpatience.c
+++ b/src/xdiff/xpatience.c
@@ -217,6 +217,9 @@ static struct entry *find_longest_common_sequence(struct hashmap *map)
         */
        int anchor_i = -1;
 
+       if (!sequence)
+               return NULL;
+
        for (entry = map->first; entry; entry = entry->next) {
                if (!entry->line2 || entry->line2 == NON_UNIQUE)
                        continue;