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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 <stdarg.h>
     20 
     21 typedef long errcode_t;
     22 
     23 struct error_table {
     24 	char const * const * msgs;
     25 	long base;
     26 	int n_msgs;
     27 };
     28 struct et_list;
     29 
     30 extern void com_err (const char *, long, const char *, ...)
     31 	COM_ERR_ATTR((format(printf, 3, 4)));
     32 
     33 extern void com_err_va (const char *whoami, errcode_t code, const char *fmt,
     34 		 va_list args)
     35 	COM_ERR_ATTR((format(printf, 3, 0)));
     36 
     37 extern char const *error_message (long);
     38 extern void (*com_err_hook) (const char *, long, const char *, va_list);
     39 extern void (*set_com_err_hook (void (*) (const char *, long,
     40 					  const char *, va_list)))
     41 	(const char *, long, const char *, va_list);
     42 extern void (*reset_com_err_hook (void)) (const char *, long,
     43 					  const char *, va_list);
     44 extern int init_error_table(const char * const *msgs, long base, int count);
     45 
     46 extern errcode_t add_error_table(const struct error_table * et);
     47 extern errcode_t remove_error_table(const struct error_table * et);
     48 extern void add_to_error_table(struct et_list *new_table);
     49 
     50 /* Provided for Heimdall compatibility */
     51 extern const char *com_right(struct et_list *list, long code);
     52 extern void initialize_error_table_r(struct et_list **list,
     53 				     const char **messages,
     54 				     int num_errors,
     55 				     long base);
     56 extern void free_error_table(struct et_list *et);
     57 
     58 #define __COM_ERR_H
     59 #define __COM_ERR_H__
     60 #endif /* !defined(__COM_ERR_H) && !defined(__COM_ERR_H__)*/
     61