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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 
22 typedef long errcode_t;
23 
24 struct error_table {
25 	char const * const * msgs;
26 	long base;
27 	int n_msgs;
28 };
29 struct et_list;
30 
31 extern void com_err (const char *, long, const char *, ...)
32 	COM_ERR_ATTR((format(printf, 3, 4)));
33 
34 extern 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 
38 extern char const *error_message (long);
39 extern void (*com_err_hook) (const char *, long, const char *, va_list);
40 extern void (*set_com_err_hook (void (*) (const char *, long,
41 					  const char *, va_list)))
42 	(const char *, long, const char *, va_list);
43 extern void (*reset_com_err_hook (void)) (const char *, long,
44 					  const char *, va_list);
45 extern int init_error_table(const char * const *msgs, long base, int count);
46 extern char *(*set_com_err_gettext (char *(*) (const char *)))
47 	(const char *);
48 
49 extern errcode_t add_error_table(const struct error_table * et);
50 extern errcode_t remove_error_table(const struct error_table * et);
51 extern void add_to_error_table(struct et_list *new_table);
52 
53 /* Provided for Heimdall compatibility */
54 extern const char *com_right(struct et_list *list, long code);
55 extern const char *com_right_r(struct et_list *list, long code, char *str, size_t len);
56 extern void initialize_error_table_r(struct et_list **list,
57 				     const char **messages,
58 				     int num_errors,
59 				     long base);
60 extern void free_error_table(struct et_list *et);
61 
62 /* Provided for compatibility with other com_err libraries */
63 extern int et_list_lock(void);
64 extern int et_list_unlock(void);
65 
66 #define __COM_ERR_H
67 #define __COM_ERR_H__
68 #endif /* !defined(__COM_ERR_H) && !defined(__COM_ERR_H__)*/
69