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/* -*- coding: utf-8 -*- */
/**
\ingroup anespec general
@{
\file ventorno.c
\brief Definición de funciones para el control de variables de entorno.
\author José Luis García Pallero, jgpallero@gmail.com
\date 31 de marzo de 2011
\version 1.0
\section Licencia Licencia
Copyright (c) 2011, José Luis García Pallero. All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.
- Neither the name of the copyright holders nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/******************************************************************************/
/******************************************************************************/
#include"libgeoc/ventorno.h"
/******************************************************************************/
/******************************************************************************/
int VarEnvValRef(const char* var,
const char* valRef)
{
//posible valor de la variable de entorno
char* valEnv=NULL;
//variable de salida
int salida=0;
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////
//extraemos el valor de la variable de entorno
valEnv = getenv(var);
//comprobamos si la variable está definida
if(valEnv==NULL)
{
//se devuelve menor que 0
salida = -1;
}
else
{
//comprobamos su valor
if(strcmp(valEnv,valRef))
{
//su valor es distinto al de referencia
salida = 0;
}
else
{
//si es igual al de referencia
salida = 1;
}
}
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////
//salimos de la función
return salida;
}
/******************************************************************************/
/******************************************************************************/
/** @} */

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