include/util.h


1
2
3
4
5
6
7
8

#include <stdio.h>

#define err_ret(r, fmt, ...)                                                   \
	do {                                                                   \
		fprintf(stderr, "[%s:%d] " fmt "\n", __FILE__, __LINE__,       \
			##__VA_ARGS__);                                        \
		return r;                                                      \
	} while (0)