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Annotation of embedaddon/tmux/compat/strndup.c, revision 1.1.1.1

1.1       misho       1: /*     $OpenBSD: strndup.c,v 1.2 2015/08/31 02:53:57 guenther Exp $    */
                      2: 
                      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:  */
                     18: 
                     19: #include <sys/types.h>
                     20: 
                     21: #include <stddef.h>
                     22: #include <stdlib.h>
                     23: #include <string.h>
                     24: 
                     25: #include "compat.h"
                     26: 
                     27: char *
                     28: strndup(const char *str, size_t maxlen)
                     29: {
                     30:        char *copy;
                     31:        size_t len;
                     32: 
                     33:        len = strnlen(str, maxlen);
                     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: }