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Annotation of mandoc/compat_strnlen.c, Revision 1.1

1.1     ! schwarze    1: #ifdef HAVE_CONFIG_H
        !             2: #include "config.h"
        !             3: #endif
        !             4:
        !             5: #ifdef HAVE_STRNLEN
        !             6:
        !             7: int dummy;
        !             8:
        !             9: #else
        !            10:
        !            11: /*     ($)OpenBSD: strnlen.c,v 1.4 2012/04/26 01:22:31 matthew Exp $   */
        !            12:
        !            13: /*
        !            14:  * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
        !            15:  *
        !            16:  * Permission to use, copy, modify, and distribute this software for any
        !            17:  * purpose with or without fee is hereby granted, provided that the above
        !            18:  * copyright notice and this permission notice appear in all copies.
        !            19:  *
        !            20:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !            21:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            22:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            23:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            24:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            25:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            26:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            27:  */
        !            28:
        !            29: #include <sys/types.h>
        !            30: #include <string.h>
        !            31:
        !            32: size_t
        !            33: strnlen(const char *str, size_t maxlen)
        !            34: {
        !            35:        const char *cp;
        !            36:
        !            37:        for (cp = str; maxlen != 0 && *cp != '\0'; cp++, maxlen--)
        !            38:                ;
        !            39:
        !            40:        return (size_t)(cp - str);
        !            41: }
        !            42:
        !            43: #endif