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 ab050c788af1ca58564f9dd70c7ebc984feadabb..c23232c36ac1a02194ac8b3c0c833d9e0bc18725 100644 (file)
--- 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;
 
        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);
        fclose(f);
        if (parse_date(buf, buf2, sizeof(buf2)))
                return strtoul(buf2, NULL, 10);