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Annotation of sys/lib/libkern/strchr.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: strchr.c,v 1.3 2004/05/06 01:12:05 deraadt Exp $      */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2004 Daniel Hartmeier
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  *
        !            11:  *    - Redistributions of source code must retain the above copyright
        !            12:  *      notice, this list of conditions and the following disclaimer.
        !            13:  *    - Redistributions in binary form must reproduce the above
        !            14:  *      copyright notice, this list of conditions and the following
        !            15:  *      disclaimer in the documentation and/or other materials provided
        !            16:  *      with the distribution.
        !            17:  *
        !            18:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
        !            19:  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
        !            20:  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
        !            21:  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
        !            22:  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            23:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
        !            24:  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
        !            25:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
        !            26:  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            27:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            28:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            29:  * POSSIBILITY OF SUCH DAMAGE.
        !            30:  *
        !            31:  */
        !            32:
        !            33: #if defined(LIBC_SCCS) && !defined(lint)
        !            34: static char *rcsid = "$OpenBSD: strchr.c,v 1.3 2004/05/06 01:12:05 deraadt Exp $";
        !            35: #endif /* LIBC_SCCS and not lint */
        !            36:
        !            37: #include <sys/types.h>
        !            38: #if !defined(_KERNEL) && !defined(_STANDALONE)
        !            39: #include <string.h>
        !            40: #else
        !            41: #include <lib/libkern/libkern.h>
        !            42: #define NULL   ((char *)0)
        !            43: #endif
        !            44:
        !            45: char *
        !            46: strchr(const char *s, int c)
        !            47: {
        !            48:        while (*s) {
        !            49:                if (*s == c)
        !            50:                        return ((char *)s);
        !            51:                s++;
        !            52:        }
        !            53:        return (NULL);
        !            54: }
        !            55:
        !            56: char *
        !            57: strrchr(const char *s, int c)
        !            58: {
        !            59:        char *t = NULL;
        !            60:
        !            61:        while (*s) {
        !            62:                if (*s == c)
        !            63:                        t = (char *)s;
        !            64:                s++;
        !            65:        }
        !            66:        return (t);
        !            67: }