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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/stpncpy_chk.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'debug/stpncpy_chk.c')
-rw-r--r--debug/stpncpy_chk.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/debug/stpncpy_chk.c b/debug/stpncpy_chk.c
deleted file mode 100644
index d136339..0000000
--- a/debug/stpncpy_chk.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* Copyright (C) 1993,1995,1996,1997,2002,2005 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. */
-
-/* This is almost copied from strncpy.c, written by Torbjorn Granlund. */
-
-#include <string.h>
-
-
-/* Copy no more than N characters of SRC to DEST, returning the address of
- the terminating '\0' in DEST, if any, or else DEST + N. */
-char *
-__stpncpy_chk (char *dest, const char *src, size_t n, size_t destlen)
-{
- char c;
- char *s = dest;
-
- if (__builtin_expect (destlen < n, 0))
- __chk_fail ();
-
- if (n >= 4)
- {
- size_t n4 = n >> 2;
-
- for (;;)
- {
- c = *src++;
- *dest++ = c;
- if (c == '\0')
- break;
- c = *src++;
- *dest++ = c;
- if (c == '\0')
- break;
- c = *src++;
- *dest++ = c;
- if (c == '\0')
- break;
- c = *src++;
- *dest++ = c;
- if (c == '\0')
- break;
- if (--n4 == 0)
- goto last_chars;
- }
- n -= dest - s;
- goto zero_fill;
- }
-
- last_chars:
- n &= 3;
- if (n == 0)
- return dest;
-
- for (;;)
- {
- c = *src++;
- --n;
- *dest++ = c;
- if (c == '\0')
- break;
- if (n == 0)
- return dest;
- }
-
- zero_fill:
- while (n-- > 0)
- dest[n] = '\0';
-
- return dest - 1;
-}