mirror of
https://github.com/kichikuou/xsystem35-sdl2.git
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132 lines
3.2 KiB
C
132 lines
3.2 KiB
C
/*
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* filecheck.c save/load file existance and kanjicode check
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*
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* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
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* 1998- <masaki-c@is.aist-nara.ac.jp>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* $Id: filecheck.c,v 1.5 2006/04/21 16:40:48 chikama Exp $ */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include "filecheck.h"
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#include "utfsjis.h"
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struct fnametable {
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char *realname;
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char *transname;
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};
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static char *saveDataPath;
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static boolean newfile_kanjicode_utf8 = TRUE;
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static char *get_fullpath(char* dir, char *filename) {
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char *fn = malloc(strlen(filename) + strlen(dir) + 3);
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if (fn == NULL) {
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return NULL;
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}
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strcpy(fn, dir);
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strcat(fn, "/");
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strcat(fn, filename);
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return fn;
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}
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/* list up file in current directory */
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/* name : save/load directory */
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void fc_init(char *name) {
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saveDataPath = strdup(name);
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}
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static char *fc_search(const char *fname_sjis, const char *dir) {
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DIR *d = opendir(dir);
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if (d == NULL)
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return NULL;
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BYTE *fname_utf = sjis2lang(fname_sjis);
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char *found = NULL;
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struct dirent *entry;
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while ((entry = readdir(d)) != NULL) {
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if (strcasecmp(fname_sjis, entry->d_name) == 0 ||
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strcasecmp(fname_utf, entry->d_name) == 0) {
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found = get_fullpath(dir, entry->d_name);
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break;
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}
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}
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closedir(d);
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free(fname_utf);
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return found;
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}
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FILE *fc_open(char *filename, char type) {
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char *fullpath = fc_search(filename, saveDataPath);
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if (fullpath == NULL) {
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if (type == 'r') {
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#ifdef __EMSCRIPTEN__
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fullpath = fc_search(filename, ".");
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#endif
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if (fullpath == NULL)
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return NULL;
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} else {
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if (newfile_kanjicode_utf8) {
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char *fc = sjis2lang(filename);
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fullpath = get_fullpath(saveDataPath, fc);
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free(fc);
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}
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else
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fullpath = get_fullpath(saveDataPath, filename);
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}
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}
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FILE *fp;
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if (type == 'w') {
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fc_backup_oldfile(fullpath);
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fp = fopen(fullpath, "w");
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} else {
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fp = fopen(fullpath, "r");
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}
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free(fullpath);
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return fp;
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}
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void fc_backup_oldfile(char *filename) {
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#ifndef __EMSCRIPTEN__
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char *newname;
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if (!filename) return;
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newname = malloc(strlen(filename) + 3);
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strcpy(newname, filename);
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strcat(newname, ".");
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rename(filename, newname);
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free(newname);
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#endif
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}
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/* QE で新規ファイルをセーブする時のファイル名の漢字コード */
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void fc_set_default_kanjicode(int c) {
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if (c == 0) {
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newfile_kanjicode_utf8 = TRUE;
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} else {
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newfile_kanjicode_utf8 = FALSE;
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}
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}
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