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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /debug/strncpy_chk.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'debug/strncpy_chk.c')
-rw-r--r--debug/strncpy_chk.c89
1 files changed, 0 insertions, 89 deletions
diff --git a/debug/strncpy_chk.c b/debug/strncpy_chk.c
deleted file mode 100644
index bdede77..0000000
--- a/debug/strncpy_chk.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/* Copyright (C) 1991, 1997, 2003, 2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <string.h>
-#include <memcopy.h>
-
-
-char *
-__strncpy_chk (s1, s2, n, s1len)
- char *s1;
- const char *s2;
- size_t n;
- size_t s1len;
-{
- reg_char c;
- char *s = s1;
-
- if (__builtin_expect (s1len < n, 0))
- __chk_fail ();
-
- --s1;
-
- if (n >= 4)
- {
- size_t n4 = n >> 2;
-
- for (;;)
- {
- c = *s2++;
- *++s1 = c;
- if (c == '\0')
- break;
- c = *s2++;
- *++s1 = c;
- if (c == '\0')
- break;
- c = *s2++;
- *++s1 = c;
- if (c == '\0')
- break;
- c = *s2++;
- *++s1 = c;
- if (c == '\0')
- break;
- if (--n4 == 0)
- goto last_chars;
- }
- n = n - (s1 - s) - 1;
- if (n == 0)
- return s;
- goto zero_fill;
- }
-
- last_chars:
- n &= 3;
- if (n == 0)
- return s;
-
- do
- {
- c = *s2++;
- *++s1 = c;
- if (--n == 0)
- return s;
- }
- while (c != '\0');
-
- zero_fill:
- do
- *++s1 = '\0';
- while (--n > 0);
-
- return s;
-}