1 | /* |
2 | +----------------------------------------------------------------------+ |
3 | | PHP Version 5 | |
4 | +----------------------------------------------------------------------+ |
5 | | Copyright (c) 1997-2015 The PHP Group | |
6 | +----------------------------------------------------------------------+ |
7 | | This source file is subject to version 3.01 of the PHP license, | |
8 | | that is bundled with this package in the file LICENSE, and is | |
9 | | available through the world-wide-web at the following url: | |
10 | | http://www.php.net/license/3_01.txt | |
11 | | If you did not receive a copy of the PHP license and are unable to | |
12 | | obtain it through the world-wide-web, please send a note to | |
13 | | license@php.net so we can mail you a copy immediately. | |
14 | +----------------------------------------------------------------------+ |
15 | | Author: | |
16 | +----------------------------------------------------------------------+ |
17 | */ |
18 | |
19 | /* $Id$ */ |
20 | |
21 | #include "php.h" |
22 | |
23 | #ifndef HAVE_STRLCPY |
24 | |
25 | /* $OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp $ */ |
26 | |
27 | /* |
28 | * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
29 | * All rights reserved. |
30 | * |
31 | * Redistribution and use in source and binary forms, with or without |
32 | * modification, are permitted provided that the following conditions |
33 | * are met: |
34 | * 1. Redistributions of source code must retain the above copyright |
35 | * notice, this list of conditions and the following disclaimer. |
36 | * 2. Redistributions in binary form must reproduce the above copyright |
37 | * notice, this list of conditions and the following disclaimer in the |
38 | * documentation and/or other materials provided with the distribution. |
39 | * 3. The name of the author may not be used to endorse or promote products |
40 | * derived from this software without specific prior written permission. |
41 | * |
42 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, |
43 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
44 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
45 | * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
46 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
47 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
48 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
49 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
50 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
51 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
52 | */ |
53 | |
54 | #if defined(LIBC_SCCS) && !defined(lint) |
55 | static char *rcsid = "$OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp $" ; |
56 | #endif /* LIBC_SCCS and not lint */ |
57 | |
58 | #include <sys/types.h> |
59 | #include <string.h> |
60 | |
61 | /* |
62 | * Copy src to string dst of size siz. At most siz-1 characters |
63 | * will be copied. Always NUL terminates (unless siz == 0). |
64 | * Returns strlen(src); if retval >= siz, truncation occurred. |
65 | */ |
66 | PHPAPI size_t php_strlcpy(dst, src, siz) |
67 | char *dst; |
68 | const char *src; |
69 | size_t siz; |
70 | { |
71 | register char *d = dst; |
72 | register const char *s = src; |
73 | register size_t n = siz; |
74 | |
75 | /* Copy as many bytes as will fit */ |
76 | if (n != 0 && --n != 0) { |
77 | do { |
78 | if ((*d++ = *s++) == 0) |
79 | break; |
80 | } while (--n != 0); |
81 | } |
82 | |
83 | /* Not enough room in dst, add NUL and traverse rest of src */ |
84 | if (n == 0) { |
85 | if (siz != 0) |
86 | *d = '\0'; /* NUL-terminate dst */ |
87 | while (*s++) |
88 | ; |
89 | } |
90 | |
91 | return(s - src - 1); /* count does not include NUL */ |
92 | } |
93 | |
94 | #endif /* !HAVE_STRLCPY */ |
95 | |
96 | /* |
97 | * Local variables: |
98 | * tab-width: 4 |
99 | * c-basic-offset: 4 |
100 | * End: |
101 | * vim600: sw=4 ts=4 fdm=marker |
102 | * vim<600: sw=4 ts=4 |
103 | */ |
104 | |