xref: /xnu-8020.121.3/libsyscall/wrappers/string/strcpy.c (revision fdd8201d7b966f0c3ea610489d29bd841d358941)
1*fdd8201dSApple OSS Distributions /*
2*fdd8201dSApple OSS Distributions  * Copyright (c) 2011 Apple, Inc. All rights reserved.
3*fdd8201dSApple OSS Distributions  *
4*fdd8201dSApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*fdd8201dSApple OSS Distributions  *
6*fdd8201dSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*fdd8201dSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*fdd8201dSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*fdd8201dSApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*fdd8201dSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*fdd8201dSApple OSS Distributions  * file.
12*fdd8201dSApple OSS Distributions  *
13*fdd8201dSApple OSS Distributions  * The Original Code and all software distributed under the License are
14*fdd8201dSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*fdd8201dSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*fdd8201dSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*fdd8201dSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*fdd8201dSApple OSS Distributions  * Please see the License for the specific language governing rights and
19*fdd8201dSApple OSS Distributions  * limitations under the License.
20*fdd8201dSApple OSS Distributions  *
21*fdd8201dSApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*fdd8201dSApple OSS Distributions  */
23*fdd8201dSApple OSS Distributions 
24*fdd8201dSApple OSS Distributions #include "strings.h"
25*fdd8201dSApple OSS Distributions 
26*fdd8201dSApple OSS Distributions __attribute__((visibility("hidden")))
27*fdd8201dSApple OSS Distributions char *
_libkernel_strcpy(char * restrict dst,const char * restrict src)28*fdd8201dSApple OSS Distributions _libkernel_strcpy(char * restrict dst, const char * restrict src)
29*fdd8201dSApple OSS Distributions {
30*fdd8201dSApple OSS Distributions 	const size_t length = _libkernel_strlen(src);
31*fdd8201dSApple OSS Distributions 	//  The stpcpy() and strcpy() functions copy the string src to dst
32*fdd8201dSApple OSS Distributions 	//  (including the terminating '\0' character).
33*fdd8201dSApple OSS Distributions 	_libkernel_memmove(dst, src, length + 1);
34*fdd8201dSApple OSS Distributions 	//  The strcpy() and strncpy() functions return dst.
35*fdd8201dSApple OSS Distributions 	return dst;
36*fdd8201dSApple OSS Distributions }
37