[PATCH] Use size_t for strlen results

[Andreas Schwab]

2011-07-20  Andreas Schwab  <schwab@redhat.com>

	* resolv/res_query.c (__libc_res_nquerydomain): Use size_t for
	strlen results.
---
 resolv/res_query.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/resolv/res_query.c b/resolv/res_query.c
index 26daf0d..67b6136 100644
--- a/resolv/res_query.c
+++ b/resolv/res_query.c
@@ -543,7 +543,7 @@ __libc_res_nquerydomain(res_state statp,
 {
 	char nbuf[MAXDNAME];
 	const char *longname = nbuf;
-	int n, d;
+	size_t n, d;
 
 #ifdef DEBUG
 	if (statp->options & RES_DEBUG)
@@ -560,9 +560,8 @@ __libc_res_nquerydomain(res_state statp,
 			RES_SET_H_ERRNO(statp, NO_RECOVERY);
 			return (-1);
 		}
-		n--;
-		if (n >= 0 && name[n] == '.') {
-			strncpy(nbuf, name, n);
+		if (n > 0 && name[--n] == '.') {
+			memcpy(nbuf, name, n);
 			nbuf[n] = '\0';
 		} else
 			longname = name;
-- 
1.7.6


-- 
Andreas Schwab, schwab@redhat.com
GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84  5EC7 45C6 250E 6F00 984E
"And now for something completely different."