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-rw-r--r--string/test-strncat.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/string/test-strncat.c b/string/test-strncat.c
index e03d329e1c..c0cde206ee 100644
--- a/string/test-strncat.c
+++ b/string/test-strncat.c
@@ -28,6 +28,7 @@
 # define CHAR char
 # define UCHAR unsigned char
 # define SIMPLE_STRNCAT simple_strncat
+# define STRNLEN strnlen
 # define STRLEN strlen
 # define MEMSET memset
 # define MEMCPY memcpy
@@ -40,6 +41,7 @@
 # define CHAR wchar_t
 # define UCHAR wchar_t
 # define SIMPLE_STRNCAT simple_wcsncat
+# define STRNLEN wcsnlen
 # define STRLEN wcslen
 # define MEMSET wmemset
 # define MEMCPY wmemcpy
@@ -78,7 +80,7 @@ do_one_test (impl_t *impl, CHAR *dst, const CHAR *src, size_t n)
       return;
     }
 
-  size_t len = STRLEN (src);
+  size_t len = STRNLEN (src, n);
   if (MEMCMP (dst + k, src, len + 1 > n ? n : len + 1) != 0)
     {
       error (0, 0, "Incorrect concatenation in function %s",
@@ -96,6 +98,26 @@ do_one_test (impl_t *impl, CHAR *dst, const CHAR *src, size_t n)
 }
 
 static void
+do_test_src_no_nullterm_bz30065 (void)
+{
+  /* NB: "src does not need to be null-terminated if it contains n or more
+   * bytes." */
+  CHAR *s1, *s2;
+  size_t bound = page_size / sizeof (CHAR);
+  s1 = (CHAR *) (buf1 + BUF1PAGES * page_size);
+  s2 = (CHAR *) buf2;
+  MEMSET (s1 - bound, -1, bound);
+  for (size_t n = 0; n < bound; ++n)
+    {
+      FOR_EACH_IMPL (impl, 0)
+	{
+	  s2[0] = '\0';
+	  do_one_test (impl, s2, s1 - n, n);
+	}
+    }
+}
+
+static void
 do_test (size_t align1, size_t align2, size_t len1, size_t len2,
 	 size_t n, int max_char)
 {
@@ -372,6 +394,7 @@ test_main (void)
 
   do_random_tests ();
   do_overflow_tests ();
+  do_test_src_no_nullterm_bz30065 ();
   return ret;
 }