1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright 2025 Oxide Computer Company 14 */ 15 16 #ifndef _SYSERR_H 17 #define _SYSERR_H 18 19 /* 20 * Definitions for library-private variables relating to error names and 21 * descriptions. 22 */ 23 24 /* 25 * The maximum system error number; the size of the _sys_nerrs and 26 * _sys_err_names arrays. 27 */ 28 extern int _sys_num_nerr; 29 30 /* 31 * _sys_nerrs and _sys_nindex are used together. _sys_nerrs is one long string 32 * that is a concatenation of all of the error descriptions, separated by '\0', 33 * and _sys_index is an array of indices into that. A pointer to the 34 * description for a particular error can therefore be obtained (after bounds 35 * checks) via: 36 * &_sys_nerrs[_sys_nindex[<errnum>]] 37 */ 38 extern const char _sys_nerrs[]; 39 extern const int _sys_nindex[]; 40 /* 41 * An array mapping an errno to its constant, e.g. ENOENT -> "ENOENT" 42 */ 43 extern const char *_sys_err_names[]; 44 45 #endif /* _SYSERR_H */ 46