1 /* 2 * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan 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 45 int ROKEN_LIB_FUNCTION 46 rk_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 62 int ROKEN_LIB_FUNCTION 63 rk_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