Use NULL instead of `0` in _ht_getnetbyname(..)

- getnetent returns NULL on completion/error.
- .h_aliases is NULL terminated.

MFC after: 1 week
Sponsored by: EMC / Isilon Storage Division

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/libc/net/getnetbyht.c b/lib/libc/net/getnetbyht.c
index bee00e8..d5d89a8 100644
--- a/lib/libc/net/getnetbyht.c
+++ b/lib/libc/net/getnetbyht.c
@@ -215,10 +215,10 @@ _ht_getnetbyname(void *rval, void *cb_data, va_list ap)
 	}
 
 	_setnethtent(ned->stayopen, ned);
-	while ((error = getnetent_p(&ne, ned)) == 0) {
+	while ((error = getnetent_p(&ne, ned)) == NULL) {
 		if (strcasecmp(ne.n_name, name) == 0)
 			break;
-		for (cp = ne.n_aliases; *cp != 0; cp++)
+		for (cp = ne.n_aliases; *cp != NULL; cp++)
 			if (strcasecmp(*cp, name) == 0)
 				goto found;
 	}