X-Git-Url: https://git.deb.at/?a=blobdiff_plain;f=xmalloc.c;h=3a34e1ce187a864a029c434a221a4c4fd2fbe0db;hb=126dbdaf881905b0406be15a27fa842fd91d11e1;hp=ca784be299a418063bc5fb4478a7e5959136e11e;hpb=4b8f9231090ada43f7e16987ec46ac7f45a914ec;p=pkg%2Fabook.git

diff --git a/xmalloc.c b/xmalloc.c
index ca784be..3a34e1c 100644
--- a/xmalloc.c
+++ b/xmalloc.c
@@ -149,3 +149,21 @@ xstrdup(const char *s)
 	return (char *)memcpy(new, s, len + 1);
 }
 
+char *
+xstrndup(const char *s, size_t len)
+{
+	char *new;
+	size_t n = strlen(s);
+
+	if(n > len)
+		n = len;
+
+	new = xmalloc_inc(n, 1);
+	if(new == NULL)
+		return NULL;
+
+	memcpy(new, s, n);
+	new[n] = '\0';
+
+	return new;
+}