+// SPDX-License-Identifier: LGPL-2.1-or-later
/* Copy a null-terminated string to a fixed-size buffer, with length checking.
- Copyright (C) 2016 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, see
- <http://www.gnu.org/licenses/>. */
+ * Copyright (C) 2016 Free Software Foundation, Inc.
+ * This file is part of the GNU C Library.
+ */
/* adapted for Quagga from glibc patch submission originally from
* Florian Weimer <fweimer@redhat.com>, 2016-05-18 */
-#include <string.h>
-
+#ifdef HAVE_CONFIG_H
#include "config.h"
+#endif
+
+#include <string.h>
#ifndef HAVE_STRLCPY
#undef strlcpy
-size_t
-strlcpy (char *__restrict dest, const char *__restrict src, size_t size);
+size_t strlcpy(char *__restrict dest,
+ const char *__restrict src, size_t destsize);
-size_t
-strlcpy (char *__restrict dest, const char *__restrict src, size_t size)
+size_t strlcpy(char *__restrict dest,
+ const char *__restrict src, size_t destsize)
{
- size_t src_length = strlen (src);
-
- if (__builtin_expect (src_length >= size, 0))
- {
- if (size > 0)
- {
- /* Copy the leading portion of the string. The last
- character is subsequently overwritten with the NUL
- terminator, but the destination size is usually a
- multiple of a small power of two, so writing it twice
- should be more efficient than copying an odd number of
- bytes. */
- memcpy (dest, src, size);
- dest[size - 1] = '\0';
- }
- }
- else
- /* Copy the string and its terminating NUL character. */
- memcpy (dest, src, src_length + 1);
- return src_length;
+ size_t src_length = strlen(src);
+
+ if (__builtin_expect(src_length >= destsize, 0)) {
+ if (destsize > 0) {
+ /*
+ * Copy the leading portion of the string. The last
+ * character is subsequently overwritten with the NUL
+ * terminator, but the destination destsize is usually
+ * a multiple of a small power of two, so writing it
+ * twice should be more efficient than copying an odd
+ * number of bytes.
+ */
+ memcpy(dest, src, destsize);
+ dest[destsize - 1] = '\0';
+ }
+ } else
+ /* Copy the string and its terminating NUL character. */
+ memcpy(dest, src, src_length + 1);
+ return src_length;
}
#endif /* HAVE_STRLCPY */