com_err.h revision 1601b10e65a55a1f8e4b262fa295cdab8cb5d98d 
1/*
2 * Header file for common error description library.
3 *
4 * Copyright 1988, Student Information Processing Board of the
5 * Massachusetts Institute of Technology.
6 *
7 * For copyright and distribution info, see the documentation supplied
8 * with this package.
9 */
10
11#if !defined(__COM_ERR_H) && !defined(__COM_ERR_H__)
12
13#ifdef __GNUC__
14#define COM_ERR_ATTR(x) __attribute__(x)
15#else
16#define COM_ERR_ATTR(x)
17#endif
18
19#include <stddef.h>
20#include <stdarg.h>
21
22typedef long errcode_t;
23
24struct error_table {
25	char const * const * msgs;
26	long base;
27	int n_msgs;
28};
29struct et_list;
30
31extern void com_err (const char *, long, const char *, ...)
32	COM_ERR_ATTR((format(printf, 3, 4)));
33
34extern void com_err_va (const char *whoami, errcode_t code, const char *fmt,
35		 va_list args)
36	COM_ERR_ATTR((format(printf, 3, 0)));
37
38extern char const *error_message (long);
39extern void (*com_err_hook) (const char *, long, const char *, va_list);
40extern void (*set_com_err_hook (void (*) (const char *, long,
41					  const char *, va_list)))
42	(const char *, long, const char *, va_list);
43extern void (*reset_com_err_hook (void)) (const char *, long,
44					  const char *, va_list);
45extern int init_error_table(const char * const *msgs, long base, int count);
46
47extern errcode_t add_error_table(const struct error_table * et);
48extern errcode_t remove_error_table(const struct error_table * et);
49extern void add_to_error_table(struct et_list *new_table);
50
51/* Provided for Heimdall compatibility */
52extern const char *com_right(struct et_list *list, long code);
53extern const char *com_right_r(struct et_list *list, long code, char *str, size_t len);
54extern void initialize_error_table_r(struct et_list **list,
55				     const char **messages,
56				     int num_errors,
57				     long base);
58extern void free_error_table(struct et_list *et);
59
60/* Provided for compatibility with other com_err libraries */
61extern int et_list_lock(void);
62extern int et_list_unlock(void);
63
64#define __COM_ERR_H
65#define __COM_ERR_H__
66#endif /* !defined(__COM_ERR_H) && !defined(__COM_ERR_H__)*/
67