genericopenlibs/openenvcore/libc/src/string/strdup.c
changeset 0 e4d67989cc36
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-1:000000000000 0:e4d67989cc36
       
     1 /*
       
     2  * Copyright (c) 1988, 1993
       
     3  *	The Regents of the University of California.  All rights reserved.
       
     4  *
       
     5  * Redistribution and use in source and binary forms, with or without
       
     6  * modification, are permitted provided that the following conditions
       
     7  * are met:
       
     8  * 1. Redistributions of source code must retain the above copyright
       
     9  *    notice, this list of conditions and the following disclaimer.
       
    10  * 2. Redistributions in binary form must reproduce the above copyright
       
    11  *    notice, this list of conditions and the following disclaimer in the
       
    12  *    documentation and/or other materials provided with the distribution.
       
    13  * 4. Neither the name of the University nor the names of its contributors
       
    14  *    may be used to endorse or promote products derived from this software
       
    15  *    without specific prior written permission.
       
    16  *
       
    17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
       
    18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
       
    19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
       
    20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
       
    21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
       
    22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
       
    23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
       
    24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
       
    25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
       
    26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
       
    27  * SUCH DAMAGE.
       
    28  * © Portions copyright (c) 2005-2006  Nokia Corporation.  All rights reserved.
       
    29  */
       
    30 
       
    31 #if defined(LIBC_SCCS) && !defined(lint)
       
    32 static char sccsid[] = "@(#)strdup.c	8.1 (Berkeley) 6/4/93";
       
    33 #endif /* LIBC_SCCS and not lint */
       
    34 #include <sys/cdefs.h>
       
    35 #ifndef __SYMBIAN32__
       
    36 __FBSDID("$FreeBSD: src/lib/libc/string/strdup.c,v 1.4 2001/11/07 19:55:16 obrien Exp $");
       
    37 #endif
       
    38 
       
    39 #include <stddef.h>
       
    40 #include <stdlib.h>
       
    41 #include <string.h>
       
    42 
       
    43 EXPORT_C 
       
    44 char *
       
    45 strdup(const char *str)
       
    46 	
       
    47 {
       
    48 	size_t len;
       
    49 	char *copy;
       
    50 
       
    51 	len = strlen(str) + 1;
       
    52 	if ((copy = malloc(len)) == NULL)
       
    53 		return (NULL);
       
    54 	memcpy(copy, str, len);
       
    55 	return (copy);
       
    56 }