60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/*
|
|
* This file contains error printing functions.
|
|
* These functions can be used by various binaries included in the strace
|
|
* package. Variable 'program_invocation_name' and function 'die()'
|
|
* have to be defined globally.
|
|
*
|
|
* Copyright (c) 2001-2018 The strace developers.
|
|
* All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1-or-later
|
|
*/
|
|
|
|
#ifndef STRACE_ERROR_PRINTS_H
|
|
#define STRACE_ERROR_PRINTS_H
|
|
|
|
#include <stdbool.h>
|
|
|
|
#include "gcc_compat.h"
|
|
|
|
extern bool debug_flag;
|
|
|
|
void die(void) ATTRIBUTE_NORETURN;
|
|
|
|
void error_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2));
|
|
void perror_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2));
|
|
void perror_msg_and_die(const char *fmt, ...)
|
|
ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
|
|
void error_msg_and_help(const char *fmt, ...)
|
|
ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
|
|
void error_msg_and_die(const char *fmt, ...)
|
|
ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
|
|
|
|
/* Wrappers for if (debug_flag) error_msg(...) */
|
|
#define debug_msg(...) \
|
|
do { \
|
|
if (debug_flag) \
|
|
error_msg(__VA_ARGS__); \
|
|
} while (0)
|
|
#define debug_perror_msg(...) \
|
|
do { \
|
|
if (debug_flag) \
|
|
perror_msg(__VA_ARGS__); \
|
|
} while (0)
|
|
|
|
/* Simple wrappers for providing function name in error messages */
|
|
#define error_func_msg(fmt_, ...) \
|
|
error_msg("%s: " fmt_, __func__, ##__VA_ARGS__)
|
|
#define perror_func_msg(fmt_, ...) \
|
|
perror_msg("%s: " fmt_, __func__, ##__VA_ARGS__)
|
|
#define debug_func_msg(fmt_, ...) \
|
|
debug_msg("%s: " fmt_, __func__, ##__VA_ARGS__)
|
|
#define debug_func_perror_msg(fmt_, ...) \
|
|
debug_perror_msg("%s: " fmt_, __func__, ##__VA_ARGS__)
|
|
#define error_func_msg_and_die(fmt_, ...) \
|
|
error_msg_and_die("%s: " fmt_, __func__, ##__VA_ARGS__)
|
|
#define perror_func_msg_and_die(fmt_, ...) \
|
|
perror_msg_and_die("%s: " fmt_, __func__, ##__VA_ARGS__)
|
|
|
|
#endif /* !STRACE_ERROR_PRINTS_H */
|