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105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
/*
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* This file is part of open_agb_firm
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* Copyright (C) 2021 derrek, profi200
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "fsutil.h"
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#include "fs.h"
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#include "util.h"
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Result fsQuickRead(const char *const path, void *const buf, u32 size) // TODO: Output how many bytes we read?
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{
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FHandle f;
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Result res = fOpen(&f, path, FA_OPEN_EXISTING | FA_READ);
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if(res == RES_OK)
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{
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res = fRead(f, buf, size, NULL);
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fClose(f);
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}
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return res;
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}
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Result fsQuickWrite(const char *const path, const void *const buf, u32 size)
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{
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FHandle f;
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Result res = fOpen(&f, path, FA_OPEN_ALWAYS | FA_WRITE);
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Result closeRes;
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if(res == RES_OK)
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{
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res = fWrite(f, buf, size, NULL);
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// Because of the disk cache errors on small writes
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// happen on close when the cache is written back to disk.
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closeRes = fClose(f);
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}
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return (res != RES_OK ? res : closeRes);
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}
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Result fsMakePath(const char *const path)
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{
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Result res = fMkdir(path);
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if(res != RES_FR_NO_PATH) return res;
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char *tmpPath = (char*)malloc(512);
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if(tmpPath == NULL) return RES_OUT_OF_MEM;
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safeStrcpy(tmpPath, path, 512);
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char *str;
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if((str = strchr(tmpPath, ':')) == NULL) str = tmpPath;
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else str++;
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// Empty path.
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if(*str == '\0')
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{
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free(tmpPath);
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return RES_INVALID_ARG;
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}
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while((str = strchr(str + 1, '/')) != NULL)
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{
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*str = '\0';
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if((res = fMkdir(tmpPath)) != RES_OK && res != RES_FR_EXIST) break;
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*str = '/';
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}
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// Only create the last dir in the path if the
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// previous error code is not an unexpected one.
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if(res == RES_OK || res == RES_FR_EXIST) res = fMkdir(tmpPath);
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free(tmpPath);
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return res;
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}
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Result fsLoadPathFromFile(const char *const path, char outPath[512])
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{
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Result res = fsQuickRead(path, outPath, 511);
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if(res == RES_OK)
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{
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char *const invalidChar = strpbrk(outPath, "\n\r\t");
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if(invalidChar != NULL) *invalidChar = '\0';
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}
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return res;
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}
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