diff options
author | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2018-10-19 00:57:01 +0100 |
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committer | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2018-10-23 18:27:45 +0100 |
commit | 668afe261dc118eea7d01074ac0f4a04fee14b50 (patch) | |
tree | 12efb7bf4f7035a24c9f82ef5646007223c766cf | |
parent | 414c9e6d86e80ef29b6fc8797df8aa1f4e1ea9c6 (diff) |
libc: Import strrchr from FreeBSD
Imported from lib/libc/string/strrchr.c from commit:
59fd2fb98e4cc7e9bfc89598e28e21d405fd470c
Change-Id: I898206c6f0372d4d211c149ec0fb9522d0a5b01c
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
-rw-r--r-- | lib/libc/strrchr.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/libc/strrchr.c b/lib/libc/strrchr.c new file mode 100644 index 00000000..6afb8c1a --- /dev/null +++ b/lib/libc/strrchr.c @@ -0,0 +1,57 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)rindex.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <stddef.h> +#include <string.h> + +char * +strrchr(const char *p, int ch) +{ + char *save; + char c; + + c = ch; + for (save = NULL;; ++p) { + if (*p == c) + save = (char *)p; + if (*p == '\0') + return (save); + } + /* NOTREACHED */ +} + +__weak_reference(strrchr, rindex); |