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/*
* error.c -- Implementa la gestión de errores del programa.
* Copyright (C) 2018 Juan Marín Noguera
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <SDL2/SDL.h>
#include <stdio.h>
#include <stdlib.h>
#include "error.h"
#define ERR_ON_SDL -1023
#define ERR_BASE -1024
const char *error_table[] = {
"Invalid scancode.",
"Null pointer incorrectly passed as a parameter.",
"Parameter out of range.",
"Invalid input."
};
void error_exit(ErrorType type)
{
if (type < 0 || sizeof(error_table) / sizeof(char*) <= type)
fputs("Unknown error.\n", stderr);
else
fprintf(stderr, "Error: %s\n", error_table[type]);
exit(ERR_BASE-type);
}
void error_libc_exit()
{
int err = errno; // perror may change the value of errno
perror("Error");
exit(err);
}
void error_sdl_exit()
{
fputs(SDL_GetError(), stderr);
exit(ERR_ON_SDL);
}
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