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Annotation of mandoc/compat_strndup.c, Revision 1.2

1.2     ! schwarze    1: /* $Id: compat_strndup.c,v 1.1 2018/02/27 11:16:23 schwarze Exp $ */
1.1       schwarze    2: /* OpenBSD: strndup.c,v 1.2 2015/08/31 02:53:57 guenther Exp */
                      3: /*
                      4:  * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
1.2     ! schwarze   18: #include "config.h"
1.1       schwarze   19:
                     20: #include <sys/types.h>
                     21:
                     22: #include <stdlib.h>
                     23: #include <string.h>
                     24:
                     25: char *
                     26: strndup(const char *str, size_t maxlen)
                     27: {
                     28:        char *copy;
                     29:        size_t len;
                     30:
                     31:        for (len = 0; len < maxlen && str[len] != '\0'; len++)
                     32:                continue;
                     33:
                     34:        copy = malloc(len + 1);
                     35:        if (copy != NULL) {
                     36:                (void)memcpy(copy, str, len);
                     37:                copy[len] = '\0';
                     38:        }
                     39:
                     40:        return copy;
                     41: }

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