project_files/frontlib/model/mapcfg.c
author Medo <smaxein@googlemail.com>
Thu, 05 Jul 2012 00:33:24 +0200
changeset 7316 f7b49b2c5d84
parent 7314 6171f0bad318
child 7497 7e1d72fc03c7
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frontlib: Improved and unified parameter checking, moved the cmdlineClient out of the frontlib code.
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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 */
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#include "mapcfg.h"
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#include "../util/util.h"
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#include "../util/logging.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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void removeNewline(char *str) {
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	for(;*str;str++) {
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		if(*str=='\n' || *str=='\r') {
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			*str = 0;
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			return;
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		}
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	}
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}
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int flib_mapcfg_read(const char *dataDirPath, const char *mapname, flib_mapcfg *out) {
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	int result = -1;
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	if(!log_badargs_if4(dataDirPath==NULL, mapname==NULL, out==NULL, flib_contains_dir_separator(mapname))) {
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		char *path = flib_asprintf("%sMaps/%s/map.cfg", dataDirPath, mapname);
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		if(path) {
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			FILE *file = fopen(path, "rb");
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			if(!log_e_if(!file, "Unable to open map config file %s", path)) {
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				if(!log_e_if(!fgets(out->theme, sizeof(out->theme), file), "Error reading theme from %s", path)) {
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					removeNewline(out->theme);
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					char buf[64];
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					if(!log_e_if(!fgets(buf, sizeof(buf), file), "Error reading hoglimit from %s", path)) {
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						removeNewline(buf);
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						errno = 0;
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						out->hogLimit = strtol(buf, NULL, 10);
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						result = !log_e_if(errno, "Invalid hoglimit in %s: %i", path, buf);
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					}
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				}
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				fclose(file);
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			}
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		}
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		free(path);
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	}
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	return result;
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}