Re: Problemas al compilar un programa con gcc

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#9006

From: Lepton
Date: Wed, 11 Sep 2002 07:07

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On Tue, 10 Sep 2002, quantium wrote:

# Buenas.
# Tengo un problema a la hora de compilar un programa, el mensaje es el
# siguiente:
# programa.c:50: warning: passing arg 2 of `strcmp' makes pointer from
# integer without a cast.

tu funcion calcular_letra devuelve un 'char', y strcmp()
compara dos strings (char[], o char*)

# /* ****** LA LINEA DE ABAJO ES LA 50 ******* */
# if(strcmp(argv[3],calcular_letra(digitos_dni))==0){
# printf("El dni es correcto");
# }

Cambialo por:

if(argv[3][0] == calcular_letra(digitos_dni)) {
	... correcto ...
}

# char calcular_letra(long int digitos_dni)
# {
#
# char
# nif[]={'T','R','W','A','G','M','Y','F','P','D','X','B','N','J','Z','S','Q','V','H','L','C','K','E','T'};

Mejor asi:

char nif[] = "TRWAGMY...";

# 	long int paso1;
# 	paso1=(digitos_dni/23)*23;
# 	return nif[digitos_dni-paso1];

Mejor:

return nif[digitos_dni % 23];

Lepton.

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From: Lepton <reinob@jazzfree.com>
Newsgroups: es.comp.os.linux.programacion
Subject: Re: Problemas al compilar un programa con gcc
Date: Wed, 11 Sep 2002 09:07:25 +0200
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