unshare: call getline() in more robust way

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/sys-utils/unshare.c b/sys-utils/unshare.c
index b8173b4fe45d7e17c268be97ae1eefcc2e7eaabc..19357d478e1e58f46f99d4d84dfd925abbd5b68e 100644 (file)
--- a/sys-utils/unshare.c
+++ b/sys-utils/unshare.c
@@ -430,7 +430,7 @@ static struct map_range *read_subid_range(char *filename, uid_t uid)
 {
        char *line = NULL, *pwbuf;
        FILE *idmap;
-       size_t n;
+       size_t n = 0;
        struct passwd *pw;
        struct map_range *map;