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assert

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Gestión de errores
Los códigos de error
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Error codes
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Los códigos de error
errno
Las afirmaciones
Original:
Assertions
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assert
 
Defined in header <assert.h>
#ifdef NDEBUG

#define assert(condition) ((void)0)
#else
#define assert(condition) /*implementation defined*/

#endif
La definición de la macro assert depende de otro macro, NDEBUG, que no está definido por la biblioteca estándar .
Original:
The definition of the macro assert depends on another macro, NDEBUG, which is not defined by the standard library.
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Si NDEBUG se define como un nombre de macro en el punto en el código fuente <assert.h> donde se incluye, a continuación, assert no hace nada .
Original:
If NDEBUG is defined as a macro name at the point in the source code where <assert.h> is included, then assert does nothing.
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Si NDEBUG no está definida, entonces los controles assert si su argumento (que debe tener un tipo escalar) compara igual a cero. Si lo hace, assert salidas de aplicación específica de la información de diagnóstico en la salida de error estándar y llama abort(). La información de diagnóstico se requiere para incluir el texto de expression, así como los valores de las macros estándar __FILE__, __LINE__, y la __func__ variable estándar .
Original:
If NDEBUG is not defined, then assert checks if its argument (which must have scalar type) compares equal to zero. If it does, assert outputs implementation-specific diagnostic information on the standard error output and calls abort(). The diagnostic information is required to include the text of expression, as well as the values of the standard macros __FILE__, __LINE__, and the standard variable __func__.
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Contenido

[editar] Parámetros

condition -
expresión de tipo escalar
Original:
expression of scalar type
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[editar] Valor de retorno

(Ninguno)
Original:
(none)
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[editar] Ejemplo

#include <stdio.h>
#include <assert.h>
 
int main (int argc, char **argv)
{
	// Test if 0 is really equivalent to 0
	assert (0 == 0);
 
	// Test if 1 is different than 0...
	assert (1 == 0);
 
	return 0;
}

Output:

example: ex.c:10: int main(int, char**): Assertion `1 == 0' failed.
Aborted

[editar] Ver también

produce la terminación anormal del programa (sin limpiar)
Original:
causes abnormal program termination (without cleaning up)
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(función) [edit]