1/*
2 * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska H��gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include <config.h>
35
36#if (!defined(HAVE_STRERROR_R) && !defined(strerror_r)) || (!defined(STRERROR_R_PROTO_COMPATIBLE) && defined(HAVE_STRERROR_R))
37
38#include <stdio.h>
39#include <string.h>
40#include <errno.h>
41#include "roken.h"
42
43#ifdef _MSC_VER
44
45int ROKEN_LIB_FUNCTION
46rk_strerror_r(int eno, char * strerrbuf, size_t buflen)
47{
48    errno_t err;
49
50    err = strerror_s(strerrbuf, buflen, eno);
51    if (err != 0) {
52        int code;
53        code = sprintf_s(strerrbuf, buflen, "Error % occurred.", eno);
54        err = ((code != 0)? errno : 0);
55    }
56
57    return err;
58}
59
60#else  /* _MSC_VER */
61
62int ROKEN_LIB_FUNCTION
63rk_strerror_r(int eno, char *strerrbuf, size_t buflen)
64{
65    /* Assume is the linux broken strerror_r (returns the a buffer (char *) if the input buffer wasn't use */
66#ifdef HAVE_STRERROR_R
67    const char *str;
68    str = strerror_r(eno, strerrbuf, buflen);
69    if (str != strerrbuf)
70	if (strlcpy(strerrbuf, str, buflen) >= buflen)
71	    return ERANGE;
72    return 0;
73#else
74    int ret;
75    ret = strlcpy(strerrbuf, strerror(eno), buflen);
76    if (ret > buflen)
77	return ERANGE;
78    return 0;
79#endif
80}
81
82#endif  /* !_MSC_VER */
83
84#endif
85