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authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:06:41 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:06:41 +0000
commite64ac02c24b43659048622714afdc92fedf561fa (patch)
tree37162878b72d302de351788bec4c9360c9d55f1d /ports/sysdeps/m68k/wcpcpy_chk.c
parenta20c2b3c87aebc7d4b090c622d36480263b80042 (diff)
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Move all files into ports/ subdirectory in preparation for merge with glibc glibc-2.16-ports-before-merge
Diffstat (limited to 'ports/sysdeps/m68k/wcpcpy_chk.c')
-rw-r--r--ports/sysdeps/m68k/wcpcpy_chk.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/ports/sysdeps/m68k/wcpcpy_chk.c b/ports/sysdeps/m68k/wcpcpy_chk.c
new file mode 100644
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+++ b/ports/sysdeps/m68k/wcpcpy_chk.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 1996, 1997, 2005, 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* The generic version of this file assumes that __alignof__(wchar_t) ==
+   sizeof (wchar_t).  We therefore use this port-specific implementation
+   instead.  */
+#include <wchar.h>
+
+/* Copy SRC to DEST, returning the address of the terminating L'\0' in
+   DEST.  Check for overflows.  */
+wchar_t *
+__wcpcpy_chk (wchar_t *dest, const wchar_t *src, size_t destlen)
+{
+  do
+    if (destlen-- == 0)
+      __chk_fail ();
+  while ((*dest++ = *src++));
+
+  return dest - 1;
+}