ssnail

commit ebcdf1d86a6d1febb773741278cfff633fbf2013
parent 5f342330fa88a004405529545bbccc1dbb6ff940
Author: Paco Esteban <paco@e1e0.net>
Date:   Mon, 22 Jun 2020 20:41:54 +0200

better handle asprintf possible errors

Diffstat:
M
ssnail.c
 | 
16
++++++++++++----

1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/ssnail.c b/ssnail.c
@@ -309,16 +309,24 @@ gen_html(struct article *a)
 	/* collect metadata from markdown */
 	TAILQ_FOREACH(md, &mq, entries) {
 		if (strcmp(md->key, "title") == 0 ) {
-			asprintf(&a->title, "%s", md->value);
+			free(a->title);
+			if (asprintf(&a->title, "%s", md->value) == -1)
+				goto out;
 		}
 		if (strcmp(md->key, "author") == 0 ) {
-			asprintf(&a->author, "%s", md->value);
+			free(a->author);
+			if (asprintf(&a->author, "%s", md->value) == -1)
+				goto out;
 		}
 		if (strcmp(md->key, "date") == 0 ) {
-			asprintf(&a->date, "%s", md->value);
+			free(a->date);
+			if (asprintf(&a->date, "%s", md->value) == -1)
+				goto out;
 		}
 		if (strcmp(md->key, "type") == 0 ) {
-			asprintf(&a->type, "%s", md->value);
+			free(a->type);
+			if (asprintf(&a->type, "%s", md->value) == -1)
+				goto out;
 		}
 	}