util: Use util-common for strndup in pacsort and pactree

This small refactor reduces the number of replications of the local
imeplementation of strndup.

Signed-off-by: Will Miles <wmiles@sgl.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 1 insertions, 22 deletions

diff --git a/src/util/pacsort.c b/src/util/pacsort.c
index d864fdb9..9d248fad 100644
--- a/src/util/pacsort.c
+++ b/src/util/pacsort.c
@@ -25,6 +25,7 @@
 #include <string.h>
 
 #include <alpm.h>
+#include "util-common.h"
 
 #define DELIM ' '
 
@@ -69,28 +70,6 @@ static struct options_t {
 	char delim;
 } opts;
 
-#ifndef HAVE_STRNDUP
-/* A quick and dirty implementation derived from glibc */
-static size_t strnlen(const char *s, size_t max)
-{
-	register const char *p;
-	for(p = s; *p && max--; ++p);
-	return (p - s);
-}
-
-char *strndup(const char *s, size_t n)
-{
-	size_t len = strnlen(s, n);
-	char *new = (char *) malloc(len + 1);
-
-	if(new == NULL)
-		return NULL;
-
-	new[len] = '\0';
-	return (char *)memcpy(new, s, len);
-}
-#endif
-
 static struct buffer_t *buffer_new(size_t initial_size)
 {
 	struct buffer_t *buf;