1 /** @file 2 Implementation of perror as declared in <stdio.h>. 3 4 Copyright (c) 2010, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials are licensed and made available 6 under the terms and conditions of the BSD License that accompanies this 7 distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php. 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 Portions Copyright (c) 1990, 1993 14 The Regents of the University of California. All rights reserved. 15 16 Redistribution and use in source and binary forms, with or without 17 modification, are permitted provided that the following conditions 18 are met: 19 - Redistributions of source code must retain the above copyright 20 notice, this list of conditions and the following disclaimer. 21 - Redistributions in binary form must reproduce the above copyright 22 notice, this list of conditions and the following disclaimer in the 23 documentation and/or other materials provided with the distribution. 24 - Neither the name of the University nor the names of its contributors 25 may be used to endorse or promote products derived from this software 26 without specific prior written permission. 27 28 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 29 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE 32 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 POSSIBILITY OF SUCH DAMAGE. 39 40 NetBSD: perror.c,v 1.24 2006/01/26 11:13:42 kleink Exp 41 perror.c 8.1 (Berkeley) 6/4/93 42 **/ 43 #include <LibConfig.h> 44 45 #include "namespace.h" 46 #include <errno.h> 47 #include <limits.h> 48 #include <stdio.h> 49 #include <string.h> 50 #include "extern.h" 51 52 /* 53 * Since perror() is not allowed to change the contents of strerror()'s 54 * static buffer, both functions supply their own buffers to strerror_r(). 55 */ 56 57 void 58 perror(const char *s) 59 { 60 static char buf[ASCII_STRING_MAX]; 61 const char *separator; 62 63 if (s == NULL) 64 s = ""; 65 if (*s == '\0') 66 separator = ""; 67 else 68 separator = ": "; 69 70 (void)strerror_r(errno, buf, sizeof(buf)); 71 (void)fprintf(stderr, "%s%s%s\n", s, separator, buf); 72 } 73
