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authorkan <kan@FreeBSD.org>2007-05-19 01:27:20 +0000
committerkan <kan@FreeBSD.org>2007-05-19 01:27:20 +0000
commit97ee9c3f29d2708e2a9383c5bfe5a3dd7dfe60dd (patch)
treee78bbacd6aa94e5c274d08bf2fa679b26cbf6b58 /contrib/gcclibs/libssp/stpcpy-chk.c
parent7d2f610e8aa1acfb76e67a4f7e95319fda7f50b6 (diff)
downloadFreeBSD-src-97ee9c3f29d2708e2a9383c5bfe5a3dd7dfe60dd.zip
FreeBSD-src-97ee9c3f29d2708e2a9383c5bfe5a3dd7dfe60dd.tar.gz
GCC 4.2.0 release miscellaneous support libraries.
Diffstat (limited to 'contrib/gcclibs/libssp/stpcpy-chk.c')
-rw-r--r--contrib/gcclibs/libssp/stpcpy-chk.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/contrib/gcclibs/libssp/stpcpy-chk.c b/contrib/gcclibs/libssp/stpcpy-chk.c
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+++ b/contrib/gcclibs/libssp/stpcpy-chk.c
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+/* Checking stpcpy.
+ Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file. (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+GCC 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 General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
+
+/* As a special exception, if you link this library with files compiled with
+ GCC to produce an executable, this does not cause the resulting executable
+ to be covered by the GNU General Public License. This exception does not
+ however invalidate any other reasons why the executable file might be
+ covered by the GNU General Public License. */
+
+#include "config.h"
+#include <ssp/ssp.h>
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif
+
+extern void __chk_fail (void) __attribute__((__noreturn__));
+
+char *
+__stpcpy_chk (char *__restrict__ dest, const char *__restrict__ src,
+ size_t slen)
+{
+ size_t len = strlen (src);
+ if (len >= slen)
+ __chk_fail ();
+ return memcpy (dest, src, len + 1) + len;
+}
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