dbg.h File Reference

Debug macros for the minunit framework. More...

#include <stdio.h>
#include <errno.h>
#include <string.h>

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Macros
#define	debug(M, ...)
#define	clean_errno()   (errno == 0 ? "None" : strerror(errno))
#define	log_err(M, ...)
#define	log_warn(M, ...)
#define	log_info(M, ...)
#define	check(A, M, ...)
#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, ...)

Detailed Description

Debug macros for the minunit framework.

Author

Zed Shaw

These debug macros come from Zed Shaw's book Learn C The Hard Way, and are used for the testing framework of GenSVM.

See also

minunit.h

Definition in file dbg.h.

Macro Definition Documentation

check

#define check	(		A,
			M,
			...
	)

Value:

if(!(A)) { log_err(M, ##__VA_ARGS__); errno=0; \
    goto error; }

Check a condition an log an error with the given message if it fails

Definition at line 59 of file dbg.h.

check_debug

#define check_debug	(		A,
			M,
			...
	)

Value:

if (!(A)) { debug(M, ##__VA_ARGS__); errno=0; \
    goto error; }

Check a condition and log to debug if it fails, and reset errno

Definition at line 75 of file dbg.h.

check_mem

#define check_mem

(

A

)

check((A), "Out of memory.");

Check a memory allocation

Definition at line 70 of file dbg.h.

clean_errno

#define clean_errno

(

)

(errno == 0 ? "None" : strerror(errno))

Return a clean string of the current errno

Definition at line 36 of file dbg.h.

debug

#define debug	(		M,
			...
	)

Value:

fprintf(stderr, "DEBUG %s:%d: " M "\n", __FILE__, \
        __LINE__, ##__VA_ARGS__)

Print debug info to stderr

Definition at line 29 of file dbg.h.

log_err

#define log_err	(		M,
			...
	)

Value:

fprintf(stderr, "[ERROR] (%s:%d: errno: %s) " M "\n", \
        __FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)

Log an error to stderr

Definition at line 41 of file dbg.h.

log_info

#define log_info	(		M,
			...
	)

Value:

fprintf(stderr, "[INFO] (%s:%d) " M "\n", \
        __FILE__, __LINE__, ##__VA_ARGS__)

Log info to stderr

Definition at line 53 of file dbg.h.

log_warn

#define log_warn	(		M,
			...
	)

Value:

fprintf(stderr, "[WARN] (%s:%d: errno: %s) " M "\n", \
        __FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)

Log a warning to stderr

Definition at line 47 of file dbg.h.

sentinel

#define sentinel	(		M,
			...
	)		{ log_err(M, ##__VA_ARGS__); errno=0; goto error; }

Log an error with the given message and reset errno

Definition at line 65 of file dbg.h.