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authorUlrich Drepper <drepper@redhat.com>2001-08-23 01:10:57 +0000
committerUlrich Drepper <drepper@redhat.com>2001-08-23 01:10:57 +0000
commita5ae1fc2d2aa06f8958532d7cad8612dda06dd50 (patch)
treecf61a99fa5541252a681d901e28d7d51b4ea03f0 /string
parentc3201035708fd6511fabd96c1097e7559709bd77 (diff)
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(main): Add strncpy test.
Diffstat (limited to 'string')
-rw-r--r--string/stratcliff.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/string/stratcliff.c b/string/stratcliff.c
index 44a2613..f25ae0c 100644
--- a/string/stratcliff.c
+++ b/string/stratcliff.c
@@ -1,5 +1,5 @@
/* Test for string function add boundaries of usable memory.
- Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -192,6 +192,33 @@ main (int argc, char *argv[])
}
}
+ /* strncpy test */
+ for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
+ {
+ for (inner = MAX (outer, size - 64); inner < size; ++inner)
+ {
+ size_t len;
+
+ adr[inner] = '\0';
+
+ for (len = 0; len < size - outer + 64; ++len)
+ {
+ if (strncpy (dest, &adr[outer], len) != dest
+ || memcmp (dest, &adr[outer],
+ MIN (inner - outer, len)) != 0
+ || (inner - outer < len
+ && strlen (dest) != (inner - outer)))
+ {
+ printf ("strncpy flunked for outer = %d, inner = %d, len = %Zd\n",
+ outer, inner, len);
+ result = 1;
+ }
+ }
+
+ adr[inner] = 'T';
+ }
+ }
+
/* stpcpy test */
for (outer = size - 1; outer >= MAX (0, size - 128); --outer)
{