ssnail

commit 2db36a53521a53aceeb671878d5bd93dabe571c1
parent 1f7075c946aca465c649a85f1a3aa4df45c25a68
Author: Paco Esteban <paco@e1e0.net>
Date:   Thu,  2 Jul 2020 16:02:11 +0200

fix some segfaults if metadata is not present on md

Diffstat:
M
ssnail.c
 | 
14
+++++++++++++-

1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/ssnail.c b/ssnail.c
@@ -86,7 +86,7 @@ main(int argc, char *argv[])
 
 	int		 ch, index = 0, rss = 0, force = 0;
 	char		*header_tpl = NULL, *footer_tpl = NULL,
-			*index_listing = "", *rss_listing = "",
+			*index_listing = NULL, *rss_listing = NULL,
 			*title = NULL, *url = NULL;
 
 	header_tpl = strdup(HEADER);
@@ -99,6 +99,16 @@ main(int argc, char *argv[])
 		error = ssnail_error_from_errno("footer_tpl def");
 		goto done;
 	}
+	index_listing = strdup("");
+	if (index_listing == NULL) {
+		error = ssnail_error_from_errno("index_listing def");
+		goto done;
+	}
+	rss_listing = strdup("");
+	if (rss_listing == NULL) {
+		error = ssnail_error_from_errno("rss_listing def");
+		goto done;
+	}
 
 	while ((ch = getopt(argc, argv, "Ff:h:irt:u:")) != -1) {
 		switch (ch) {
@@ -493,6 +503,8 @@ sort_articleq(struct listhead *h)
 		/* move element to the "right" until is the smallest value */
 		/* or we're at the end of the list */
 		while ((a2 = LIST_NEXT(a1, entries)) != NULL) {
+			if (!a1->date || !a2->date)
+				return ssnail_error_msg(2, "cmp date NULL");
 			if (strcmp(a1->date, a2->date) < 0) {
 				LIST_REMOVE(a2, entries);
 				LIST_INSERT_BEFORE(a1, a2, entries);