From fb4fb5428d50d3d0c092a60f5ef4410f250ed2c4 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Sat, 3 Nov 2001 09:05:11 +0000
Subject: Update.

2001-11-02  Jakub Jelinek  <jakub@redhat.com>

	* string/bits/string2.h (__strndup): If n is smaller than len, set
	len to n + 1.
	* string/tester.c (test_strndup): New function.
	(main): Call it.

	* sunrpc/rpc_main.c: Optimize variable definitions a bit.
---
 string/bits/string2.h |  2 +-
 string/tester.c       | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

(limited to 'string')

diff --git a/string/bits/string2.h b/string/bits/string2.h
index aafb578915..e8ac063e03 100644
--- a/string/bits/string2.h
+++ b/string/bits/string2.h
@@ -1216,7 +1216,7 @@ extern char *__strndup (__const char *__string, size_t __n)
 			  size_t __n = (n);				      \
 			  char *__retval;				      \
 			  if (__n < __len)				      \
-			    __len = __n;				      \
+			    __len = __n + 1;				      \
 			  __retval = (char *) malloc (__len);		      \
 			  if (__retval != NULL)				      \
 			    {						      \
diff --git a/string/tester.c b/string/tester.c
index bd2445f0d1..39ae0d837e 100644
--- a/string/tester.c
+++ b/string/tester.c
@@ -1256,6 +1256,30 @@ test_bzero (void)
   equal(one, "abcdef", 4);		/* Zero-length copy. */
 }
 
+static void
+test_strndup (void)
+{
+  char *p, *q;
+  it = "strndup";
+  p = strndup("abcdef", 12);
+  check(p != NULL, 1);
+  if (p != NULL)
+    {
+      equal(p, "abcdef", 2);
+      q = strndup(p + 1, 2);
+      check(q != NULL, 3);
+      if (q != NULL)
+	equal(q, "bc", 4);
+      free (q);
+    }
+  free (p);
+  p = strndup("abc def", 3);
+  check(p != NULL, 5);
+  if (p != NULL)
+    equal(p, "abc", 6);
+  free (p);
+}
+
 static void
 test_bcmp (void)
 {
@@ -1382,6 +1406,9 @@ main (void)
   /* bcmp - somewhat like memcmp.  */
   test_bcmp ();
 
+  /* strndup.  */
+  test_strndup ();
+
   /* strerror - VERY system-dependent.  */
   test_strerror ();
 
-- 
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