c_means/fail.h at master · ContainedBlargh/c_means · GitHub

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#ifndef FAIL_H
#define FAIL_H

#include <stdbool.h>
#include <stdlib.h>
#include <execinfo.h>
#include <stdio.h>
#include <stdarg.h>

/**
 * @brief The fail-module.
 *
 * @file fail.h
 * @author WingCorp (https://github.com/WingCorp)
 * @date 2018-06-19
 */

/**
 * @brief Exit the program with an error value.
 */
void fail();

#define FAIL_RED "\x1b[31m"
#define FAIL_RESET "\x1b[0m"

void trace_stack();

#define failwith(message)            \
    do {                             \
        fprintf(stderr, FAIL_RED);   \
        fprintf(stderr, message);    \
        fprintf(stderr, FAIL_RESET); \
        trace_stack();               \
        exit(EXIT_FAILURE);          \
    } while (0)

/**
 * @brief Print the error cause and exit the program with an error value.
 *
 * @param cause to print before exiting. Use this like you would use printf.
 * @param VAR_ARGS, whatever you want it to say in your failure output.
 */
#define failwithf(format, ...)                      \
    do {                                            \
        fprintf(stderr, FAIL_RED);                  \
        fprintf(stderr, format, ##__VA_ARGS__);     \
        fprintf(stderr, FAIL_RESET);                \
        trace_stack();                              \
        exit(EXIT_FAILURE);                         \
    } while(0)

#endif