[klibc] [PATCH] Null terminate before printing the link name.

[Rafi Rubin]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

This fixes garbage I'm seeing consistently from readlink
/dev/disk/by-uuid/.....   during boot.

Signed-off-by: Rafi Rubin <rafi at seas.upenn.edu>
- ---
 usr/utils/readlink.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/usr/utils/readlink.c b/usr/utils/readlink.c
index 5ea4e41..75a0735 100644
- --- a/usr/utils/readlink.c
+++ b/usr/utils/readlink.c
@@ -15,6 +15,7 @@ int main(int argc, char *argv[])
 {
        char *name, *link_name = NULL;
        size_t max_siz = 128;
+       size_t actual_siz = 0;

        progname = *argv++;

@@ -28,8 +29,9 @@ int main(int argc, char *argv[])
                exit(1);
        }

- -       if (readlink(name, link_name, max_siz) == -1)
+       if ((actual_siz = readlink(name, link_name, max_siz)) == -1)
                exit(1);
+       link_name[actual_siz] = '\0';
        printf("%s\n", link_name);

        exit(0);
- -- 
1.9.1

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
Comment: Using GnuPG with Icedove - http://www.enigmail.net/
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=KbjI
-----END PGP SIGNATURE-----