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indent.py `git ls-files | pcregrep '\.[ch]$' | pcregrep -v '^(ldpd|babeld|nhrpd)/'` Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/* Copy a null-terminated string to a fixed-size buffer, with length checking.
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* Copyright (C) 2016 Free Software Foundation, Inc.
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* This file is part of the GNU C Library.
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*
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* The GNU C Library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* The GNU C Library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the GNU C Library; if not, see
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* <http://www.gnu.org/licenses/>.
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*/
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/* adapted for Quagga from glibc patch submission originally from
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* Florian Weimer <fweimer@redhat.com>, 2016-05-18 */
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#include <string.h>
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#include "config.h"
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#ifndef HAVE_STRLCPY
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#undef strlcpy
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size_t strlcpy(char *__restrict dest, const char *__restrict src, size_t size);
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size_t strlcpy(char *__restrict dest, const char *__restrict src, size_t size)
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{
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size_t src_length = strlen(src);
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if (__builtin_expect(src_length >= size, 0)) {
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if (size > 0) {
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/* Copy the leading portion of the string. The last
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character is subsequently overwritten with the NUL
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terminator, but the destination size is usually a
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multiple of a small power of two, so writing it twice
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should be more efficient than copying an odd number
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of
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bytes. */
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memcpy(dest, src, size);
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dest[size - 1] = '\0';
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}
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} else
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/* Copy the string and its terminating NUL character. */
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memcpy(dest, src, src_length + 1);
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return src_length;
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}
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#endif /* HAVE_STRLCPY */
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