ui-repolist: handle empty agefiles
When the agefile was empty the old code would happily reuse the static
buffer filled by a previous call to read_agefile().
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
diff --git a/ui-repolist.c b/ui-repolist.c
index ab050c7..c23232c 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -19,7 +19,8 @@
if (!(f = fopen(path, "r")))
return -1;
- fgets(buf, sizeof(buf), f);
+ if (fgets(buf, sizeof(buf), f) == NULL)
+ return -1;
fclose(f);
if (parse_date(buf, buf2, sizeof(buf2)))
return strtoul(buf2, NULL, 10);