* Add a sanity check to the FIGlet font loader.

2006-11-06 00:45:34 +00:00 · 2006-11-06 00:45:34 +00:00 · 8cca295e10
commit 8cca295e10
parent 3f44cc843f
1 changed files with 2 additions and 2 deletions
--- a/src/figlet.c
+++ b/src/figlet.c
@ -198,11 +198,11 @@ static int open_font(context_t *cx)
            if(toigets(buf, 2048, f) == NULL)
                break;

-            if(!buf[0])
+            if(!buf[0] || buf[0] < '0' || buf[0] > '9')
            {
                free(data);
                free(cx->lookup);
-                fprintf(stderr, "read error at glyph %u in `%s'\n",
+                fprintf(stderr, "read error at glyph #%u in `%s'\n",
                                cx->glyphs, path);
                return -1;
            }