1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 /* 27 * Copyright 2015 Joyent, Inc. 28 * Copyright 2024 Oxide Computer Company 29 */ 30 31 /* Copyright (c) 1988 AT&T */ 32 /* All Rights Reserved */ 33 34 #include "lint.h" 35 #include "_libc_gettext.h" 36 #include <string.h> 37 #include <sys/types.h> 38 #include <errno.h> 39 40 extern const char _sys_errs[]; 41 extern const int _sys_index[]; 42 extern int _sys_num_err; 43 extern const char *_sys_err_names[]; 44 45 char * 46 strerror_l(int errnum, locale_t loc) 47 { 48 if (errnum < _sys_num_err && errnum >= 0) 49 return (_libc_gettext_l(&_sys_errs[_sys_index[errnum]], 50 loc)); 51 52 errno = EINVAL; 53 return (_libc_gettext_l("Unknown error", loc)); 54 } 55 56 char * 57 strerror(int errnum) 58 { 59 return (strerror_l(errnum, uselocale(NULL))); 60 } 61 62 /* 63 * A version of sterror() that always operates in the C locale. It returns NULL 64 * rather than the "Unknown error" string. 65 */ 66 const char * 67 strerrordesc_np(int errnum) 68 { 69 if (errnum < _sys_num_err && errnum >= 0) 70 return (&_sys_errs[_sys_index[errnum]]); 71 72 errno = EINVAL; 73 return (NULL); 74 } 75 76 const char * 77 strerrorname_np(int errnum) 78 { 79 if (errnum >= 0 && errnum < _sys_num_err && 80 _sys_err_names[errnum] != NULL) { 81 return (_sys_err_names[errnum]); 82 } 83 84 errno = EINVAL; 85 return (NULL); 86 } 87 88 /* 89 * Implemented strerror_r in Solaris 10 to comply with SUSv3 2001. 90 */ 91 int 92 strerror_r(int errnum, char *strerrbuf, size_t buflen) 93 { 94 char *buf; 95 int ret = 0; 96 97 if (errnum < _sys_num_err && errnum >= 0) { 98 buf = _libc_gettext((char *)&_sys_errs[_sys_index[errnum]]); 99 } else { 100 buf = _libc_gettext("Unknown error"); 101 ret = errno = EINVAL; 102 } 103 104 /* 105 * At compile time, there is no way to determine the max size of 106 * language-dependent error message. 107 */ 108 if (buflen < (strlen(buf) + 1)) { 109 ret = errno = ERANGE; 110 } else { 111 (void) strcpy(strerrbuf, buf); 112 } 113 114 return (ret); 115 } 116