errors.h File Reference

Contains an utilities to manage exceptions. Not supposed to be used directly by the user. More...

#include <stdio.h>
#include <stdlib.h>

Go to the source code of this file.

Macros
#define	assert(EVAL, ERROR_CODE, ...)
	Macro to perform condition-assertion and exit with the specific error-code in case of error. The macro expects a boolean condition as first input, a possible error code as the second and a message with possible parameters later. This macro will terminate the process execution. More...
#define	requires(EVAL, ERROR_CODE, ...)
	Macro to perform condition-assertion and return and error-code in case of an unexpected condition. The macro expects a boolean condition as first input, a possible error code as the second and a message with possible parameters later. More...

Detailed Description

Contains an utilities to manage exceptions. Not supposed to be used directly by the user.

Macro Definition Documentation

assert

#define assert	(		EVAL,
			ERROR_CODE,
			...
	)

Value:

    ({                                      \
        if (! (EVAL))                       \
        {                                   \
            printf(__VA_ARGS__);            \
            exit(ERROR_CODE);               \
        }                                   \
    })

Macro to perform condition-assertion and exit with the specific error-code in case of error. The macro expects a boolean condition as first input, a possible error code as the second and a message with possible parameters later. This macro will terminate the process execution.

Parameters

EVAL	The condition expected to be true.
ERROR_CODE	The error code to return in case of error.
VARARG	The formatted error message and the referenced variables.

requires

#define requires	(		EVAL,
			ERROR_CODE,
			...
	)

Value:

    ({                                      \
        if (! (EVAL))                       \
        {                                   \
            printf(__VA_ARGS__);            \
            return ERROR_CODE;              \
        }                                   \
    })

Macro to perform condition-assertion and return and error-code in case of an unexpected condition. The macro expects a boolean condition as first input, a possible error code as the second and a message with possible parameters later.

Parameters

EVAL	The condition expected to be true.
ERROR_CODE	The error code to return in case of error.
VARARG	The formatted error message and the referenced variables.

Returns

The error code if the condition is false.