1/*	$NetBSD$	*/
2
3/*
4 * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska H��gskolan
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
38#if (!defined(HAVE_STRERROR_R) && !defined(strerror_r)) || (!defined(STRERROR_R_PROTO_COMPATIBLE) && defined(HAVE_STRERROR_R))
39
40#include <stdio.h>
41#include <string.h>
42#include <errno.h>
43#include <krb5/roken.h>
44
45#ifdef _MSC_VER
46
47int ROKEN_LIB_FUNCTION
48rk_strerror_r(int eno, char * strerrbuf, size_t buflen)
49{
50    errno_t err;
51
52    err = strerror_s(strerrbuf, buflen, eno);
53    if (err != 0) {
54        int code;
55        code = sprintf_s(strerrbuf, buflen, "Error % occurred.", eno);
56        err = ((code != 0)? errno : 0);
57    }
58
59    return err;
60}
61
62#else  /* _MSC_VER */
63
64int ROKEN_LIB_FUNCTION
65rk_strerror_r(int eno, char *strerrbuf, size_t buflen)
66{
67    /* Assume is the linux broken strerror_r (returns the a buffer (char *) if the input buffer wasn't use */
68#ifdef HAVE_STRERROR_R
69    const char *str;
70    str = strerror_r(eno, strerrbuf, buflen);
71    if (str != strerrbuf)
72	if (strlcpy(strerrbuf, str, buflen) >= buflen)
73	    return ERANGE;
74    return 0;
75#else
76    int ret;
77    ret = strlcpy(strerrbuf, strerror(eno), buflen);
78    if (ret > buflen)
79	return ERANGE;
80    return 0;
81#endif
82}
83
84#endif  /* !_MSC_VER */
85
86#endif
87