1 /* $NetBSD: strlcpy.c,v 1.1.1.1 2011/04/13 18:15:43 elric Exp $ */
2
3 /*
4 * Copyright (c) 1995-2002 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include <config.h>
37 #include <krb5/roken.h>
38
39 #ifndef HAVE_STRLCPY
40
41 #if defined(_MSC_VER) && _MSC_VER >= 1400
42
43 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
strlcpy(char * dst,const char * src,size_t dst_cch)44 strlcpy (char *dst, const char *src, size_t dst_cch)
45 {
46 errno_t e;
47
48 if (dst_cch > 0)
49 e = strncpy_s(dst, dst_cch, src, _TRUNCATE);
50
51 return strlen (src);
52 }
53
54 #else
55
56 ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
strlcpy(char * dst,const char * src,size_t dst_sz)57 strlcpy (char *dst, const char *src, size_t dst_sz)
58 {
59 size_t n;
60
61 for (n = 0; n < dst_sz; n++) {
62 if ((*dst++ = *src++) == '\0')
63 break;
64 }
65
66 if (n < dst_sz)
67 return n;
68 if (n > 0)
69 *(dst - 1) = '\0';
70 return n + strlen (src);
71 }
72
73 #endif
74
75 #endif
76