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>

1 files changed, 2 insertions, 1 deletions

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 @@ time_t read_agefile(char *path)
 
         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);