More malloc checking

Use strndup() instead of malloc+copy.

Make all code deal with the possibility that ASS_Drawing.text can be
NULL (which can happen on allocation failure).

Skip fix_collisions() on malloc failure - the lines will overlap, but at
least libass won't crash.

1 files changed, 1 insertions, 3 deletions

diff --git a/libass/ass.c b/libass/ass.c
index 80f4e7a..75f646f 100644
--- a/libass/ass.c
+++ b/libass/ass.c
@@ -579,9 +579,7 @@ static int process_info_line(ASS_Track *track, char *str)
     } else if (!strncmp(str, "Language:", 9)) {
         char *p = str + 9;
         while (*p && isspace(*p)) p++;
-        track->Language = malloc(3);
-        strncpy(track->Language, p, 2);
-        track->Language[2] = 0;
+        track->Language = strndup(p, 2);
     }
     return 0;
 }