2 * This file contains error printing functions.
3 * These functions can be used by various binaries included in the strace
4 * package. Variable 'program_invocation_name' and function 'die()'
5 * have to be defined globally.
7 * Copyright (c) 2001-2017 The strace developers.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #ifndef STRACE_ERROR_PRINTS_H
34 #define STRACE_ERROR_PRINTS_H
38 #include "gcc_compat.h"
40 extern bool debug_flag;
42 void die(void) ATTRIBUTE_NORETURN;
44 void error_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2));
45 void perror_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2));
46 void perror_msg_and_die(const char *fmt, ...)
47 ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
48 void error_msg_and_help(const char *fmt, ...)
49 ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
50 void error_msg_and_die(const char *fmt, ...)
51 ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN;
53 /* Wrappers for if (debug_flag) error_msg(...) */
54 #define debug_msg(...) \
57 error_msg(__VA_ARGS__); \
59 #define debug_perror_msg(...) \
62 perror_msg(__VA_ARGS__); \
65 /* Simple wrappers for providing function name in error messages */
66 #define error_func_msg(fmt_, ...) \
67 error_msg("%s: " fmt_, __func__, ##__VA_ARGS__)
68 #define perror_func_msg(fmt_, ...) \
69 perror_msg("%s: " fmt_, __func__, ##__VA_ARGS__)
70 #define debug_func_msg(fmt_, ...) \
71 debug_msg("%s: " fmt_, __func__, ##__VA_ARGS__)
72 #define debug_func_perror_msg(fmt_, ...) \
73 debug_perror_msg("%s: " fmt_, __func__, ##__VA_ARGS__)
74 #define error_func_msg_and_die(fmt_, ...) \
75 error_msg_and_die("%s: " fmt_, __func__, ##__VA_ARGS__)
76 #define perror_func_msg_and_die(fmt_, ...) \
77 perror_msg_and_die("%s: " fmt_, __func__, ##__VA_ARGS__)
79 #endif /* !STRACE_ERROR_PRINTS_H */