1*cf84ac9aSAndroid Build Coastguard Worker /* 2*cf84ac9aSAndroid Build Coastguard Worker * This file contains error printing functions. 3*cf84ac9aSAndroid Build Coastguard Worker * These functions can be used by various binaries included in the strace 4*cf84ac9aSAndroid Build Coastguard Worker * package. Variable 'program_invocation_name' and function 'die()' 5*cf84ac9aSAndroid Build Coastguard Worker * have to be defined globally. 6*cf84ac9aSAndroid Build Coastguard Worker * 7*cf84ac9aSAndroid Build Coastguard Worker * Copyright (c) 2001-2017 The strace developers. 8*cf84ac9aSAndroid Build Coastguard Worker * All rights reserved. 9*cf84ac9aSAndroid Build Coastguard Worker * 10*cf84ac9aSAndroid Build Coastguard Worker * Redistribution and use in source and binary forms, with or without 11*cf84ac9aSAndroid Build Coastguard Worker * modification, are permitted provided that the following conditions 12*cf84ac9aSAndroid Build Coastguard Worker * are met: 13*cf84ac9aSAndroid Build Coastguard Worker * 1. Redistributions of source code must retain the above copyright 14*cf84ac9aSAndroid Build Coastguard Worker * notice, this list of conditions and the following disclaimer. 15*cf84ac9aSAndroid Build Coastguard Worker * 2. Redistributions in binary form must reproduce the above copyright 16*cf84ac9aSAndroid Build Coastguard Worker * notice, this list of conditions and the following disclaimer in the 17*cf84ac9aSAndroid Build Coastguard Worker * documentation and/or other materials provided with the distribution. 18*cf84ac9aSAndroid Build Coastguard Worker * 3. The name of the author may not be used to endorse or promote products 19*cf84ac9aSAndroid Build Coastguard Worker * derived from this software without specific prior written permission. 20*cf84ac9aSAndroid Build Coastguard Worker * 21*cf84ac9aSAndroid Build Coastguard Worker * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22*cf84ac9aSAndroid Build Coastguard Worker * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23*cf84ac9aSAndroid Build Coastguard Worker * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24*cf84ac9aSAndroid Build Coastguard Worker * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25*cf84ac9aSAndroid Build Coastguard Worker * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26*cf84ac9aSAndroid Build Coastguard Worker * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27*cf84ac9aSAndroid Build Coastguard Worker * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28*cf84ac9aSAndroid Build Coastguard Worker * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29*cf84ac9aSAndroid Build Coastguard Worker * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30*cf84ac9aSAndroid Build Coastguard Worker * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31*cf84ac9aSAndroid Build Coastguard Worker */ 32*cf84ac9aSAndroid Build Coastguard Worker 33*cf84ac9aSAndroid Build Coastguard Worker #ifndef STRACE_ERROR_PRINTS_H 34*cf84ac9aSAndroid Build Coastguard Worker #define STRACE_ERROR_PRINTS_H 35*cf84ac9aSAndroid Build Coastguard Worker 36*cf84ac9aSAndroid Build Coastguard Worker #include <stdbool.h> 37*cf84ac9aSAndroid Build Coastguard Worker 38*cf84ac9aSAndroid Build Coastguard Worker #include "gcc_compat.h" 39*cf84ac9aSAndroid Build Coastguard Worker 40*cf84ac9aSAndroid Build Coastguard Worker extern bool debug_flag; 41*cf84ac9aSAndroid Build Coastguard Worker 42*cf84ac9aSAndroid Build Coastguard Worker void die(void) ATTRIBUTE_NORETURN; 43*cf84ac9aSAndroid Build Coastguard Worker 44*cf84ac9aSAndroid Build Coastguard Worker void error_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2)); 45*cf84ac9aSAndroid Build Coastguard Worker void perror_msg(const char *fmt, ...) ATTRIBUTE_FORMAT((printf, 1, 2)); 46*cf84ac9aSAndroid Build Coastguard Worker void perror_msg_and_die(const char *fmt, ...) 47*cf84ac9aSAndroid Build Coastguard Worker ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN; 48*cf84ac9aSAndroid Build Coastguard Worker void error_msg_and_help(const char *fmt, ...) 49*cf84ac9aSAndroid Build Coastguard Worker ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN; 50*cf84ac9aSAndroid Build Coastguard Worker void error_msg_and_die(const char *fmt, ...) 51*cf84ac9aSAndroid Build Coastguard Worker ATTRIBUTE_FORMAT((printf, 1, 2)) ATTRIBUTE_NORETURN; 52*cf84ac9aSAndroid Build Coastguard Worker 53*cf84ac9aSAndroid Build Coastguard Worker /* Wrappers for if (debug_flag) error_msg(...) */ 54*cf84ac9aSAndroid Build Coastguard Worker #define debug_msg(...) \ 55*cf84ac9aSAndroid Build Coastguard Worker do { \ 56*cf84ac9aSAndroid Build Coastguard Worker if (debug_flag) \ 57*cf84ac9aSAndroid Build Coastguard Worker error_msg(__VA_ARGS__); \ 58*cf84ac9aSAndroid Build Coastguard Worker } while (0) 59*cf84ac9aSAndroid Build Coastguard Worker #define debug_perror_msg(...) \ 60*cf84ac9aSAndroid Build Coastguard Worker do { \ 61*cf84ac9aSAndroid Build Coastguard Worker if (debug_flag) \ 62*cf84ac9aSAndroid Build Coastguard Worker perror_msg(__VA_ARGS__); \ 63*cf84ac9aSAndroid Build Coastguard Worker } while (0) 64*cf84ac9aSAndroid Build Coastguard Worker 65*cf84ac9aSAndroid Build Coastguard Worker /* Simple wrappers for providing function name in error messages */ 66*cf84ac9aSAndroid Build Coastguard Worker #define error_func_msg(fmt_, ...) \ 67*cf84ac9aSAndroid Build Coastguard Worker error_msg("%s: " fmt_, __func__, ##__VA_ARGS__) 68*cf84ac9aSAndroid Build Coastguard Worker #define perror_func_msg(fmt_, ...) \ 69*cf84ac9aSAndroid Build Coastguard Worker perror_msg("%s: " fmt_, __func__, ##__VA_ARGS__) 70*cf84ac9aSAndroid Build Coastguard Worker #define debug_func_msg(fmt_, ...) \ 71*cf84ac9aSAndroid Build Coastguard Worker debug_msg("%s: " fmt_, __func__, ##__VA_ARGS__) 72*cf84ac9aSAndroid Build Coastguard Worker #define debug_func_perror_msg(fmt_, ...) \ 73*cf84ac9aSAndroid Build Coastguard Worker debug_perror_msg("%s: " fmt_, __func__, ##__VA_ARGS__) 74*cf84ac9aSAndroid Build Coastguard Worker #define error_func_msg_and_die(fmt_, ...) \ 75*cf84ac9aSAndroid Build Coastguard Worker error_msg_and_die("%s: " fmt_, __func__, ##__VA_ARGS__) 76*cf84ac9aSAndroid Build Coastguard Worker #define perror_func_msg_and_die(fmt_, ...) \ 77*cf84ac9aSAndroid Build Coastguard Worker perror_msg_and_die("%s: " fmt_, __func__, ##__VA_ARGS__) 78*cf84ac9aSAndroid Build Coastguard Worker 79*cf84ac9aSAndroid Build Coastguard Worker #endif /* !STRACE_ERROR_PRINTS_H */ 80