1 /*

     2  * Hedgewars, a free turn based strategy game

     3  * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>

     4  *

     5  * This program is free software; you can redistribute it and/or

     6  * modify it under the terms of the GNU General Public License

     7  * as published by the Free Software Foundation; either version 2

     8  * of the License, or (at your option) any later version.

     9  *

    10  * This program is distributed in the hope that it will be useful,

    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    13  * GNU General Public License for more details.

    14  *

    15  * You should have received a copy of the GNU General Public License

    16  * along with this program; if not, write to the Free Software

    17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    18  */

    19 

    20 #include "mapcfg.h"

    21 

    22 #include "../util/util.h"

    23 #include "../util/logging.h"

    24 

    25 #include <stdlib.h>

    26 #include <stdio.h>

    27 #include <string.h>

    28 #include <errno.h>

    29 

    30 void removeNewline(char *str) {

    31 	for(;*str;str++) {

    32 		if(*str=='\n' || *str=='\r') {

    33 			*str = 0;

    34 			return;

    35 		}

    36 	}

    37 }

    38 

    39 int flib_mapcfg_read(const char *dataDirPath, const char *mapname, flib_mapcfg *out) {

    40 	int result = -1;

    41 	if(!log_badargs_if4(dataDirPath==NULL, mapname==NULL, out==NULL, flib_contains_dir_separator(mapname))) {

    42 		char *path = flib_asprintf("%sMaps/%s/map.cfg", dataDirPath, mapname);

    43 		if(path) {

    44 			FILE *file = fopen(path, "rb");

    45 			if(!log_e_if(!file, "Unable to open map config file %s", path)) {

    46 				if(!log_e_if(!fgets(out->theme, sizeof(out->theme), file), "Error reading theme from %s", path)) {

    47 					removeNewline(out->theme);

    48 					char buf[64];

    49 					if(fgets(buf, sizeof(buf), file)) {

    50 						removeNewline(buf);

    51 						errno = 0;

    52 						out->hogLimit = strtol(buf, NULL, 10);

    53 						result = !log_e_if(errno, "Invalid hoglimit in %s: %i", path, buf);

    54 					} else {

    55 						result = 0;

    56 					}

    57 				}

    58 				fclose(file);

    59 			}

    60 		}

    61 		free(path);

    62 	}

    63 	return result;

    64 }