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my first c debug header file
/* dbg.h
* Taken from Zed A Shaw's awesome debug macros.
* Added a bunch of crappy colors to it for my lazy eyes. */
#ifndef __dbg_h__
#define __dbg_h__
#include <stdio.h>
#include <errno.h>
#include <string.h>
#define RESET "\033[0m"
#define RED "\033[31m"
#define BOLDBLACK "\033[1m\033[30m" /* Bold Black */
#define BOLDRED "\033[1m\033[31m" /* Bold Red */
#define BOLDGREEN "\033[1m\033[32m" /* Bold Green */
#define BOLDYELLOW "\033[1m\033[33m" /* Bold Yellow */
#define BOLDBLUE "\033[1m\033[34m" /* Bold Blue */
#define BOLDMAGENTA "\033[1m\033[35m" /* Bold Magenta */
#define BOLDCYAN "\033[1m\033[36m" /* Bold Cyan */
#define BOLDWHITE "\033[1m\033[37m" /* Bold White */
#ifdef NDEBUG
#define debug(M, ...)
#else
#define debug(M, ...) fprintf(stderr,"[" BOLDBLUE "DEBUG" RESET "]" "%s:%d:" M "\n", __FILE__, __LINE__, ##__VA_ARGS__)
#endif
#define clean_errno() (errno == 0 ? "None": strerror(errno))
#define log_err(M, ...) fprintf(stderr, "[" BOLDRED "ERROR" RESET "]" "(%s:%d: errno: %s) " M "\n", __FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)
#define log_warn(M, ...) fprintf(stderr, "[" BOLDMAGENTA "WARN" RESET "]" "(%s:%d: errno:%s) " M "\n", __FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)
#define log_info(M, ...) fprintf(stderr, "[" BOLDBLACK "INFO" RESET "]" "(%s:%d) " M "\n", __FILE__, __LINE__, ##__VA_ARGS__)
#define check(A, M, ...) if(!(A)) { log_err(M, ##__VA_ARGS__); errno=0; goto error; }
#define sentinel(M, ...) { log_err(M, ##__VA_ARGS__); errno=0; goto error; }
#define check_mem(A) check((A), "Out of memory.")
#define check_debug(A, M, ...) if(!(A)) { debug(M, ##__VA_ARGS__); errno=0; goto error; }
#endif
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