67 lines
1.0 KiB
C
67 lines
1.0 KiB
C
#include <3ds.h>
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#include "ifile.h"
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#include "fsldr.h"
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Result IFile_Open(IFile *file, FS_ArchiveID archiveId, FS_Path archivePath, FS_Path filePath, u32 flags)
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{
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Result res;
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res = FSLDR_OpenFileDirectly(&file->handle, archiveId, archivePath, filePath, flags, 0);
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file->pos = 0;
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file->size = 0;
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return res;
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}
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Result IFile_Close(IFile *file)
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{
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return FSFILE_Close(file->handle);
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}
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Result IFile_GetSize(IFile *file, u64 *size)
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{
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Result res;
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res = FSFILE_GetSize(file->handle, size);
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file->size = *size;
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return res;
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}
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Result IFile_Read(IFile *file, u64 *total, void *buffer, u32 len)
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{
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u32 read;
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u32 left;
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char *buf;
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u64 cur;
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Result res;
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if (len == 0)
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{
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*total = 0;
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return 0;
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}
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buf = (char *)buffer;
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cur = 0;
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left = len;
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while (1)
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{
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res = FSFILE_Read(file->handle, &read, file->pos, buf, left);
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if (R_FAILED(res))
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{
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break;
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}
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cur += read;
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file->pos += read;
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if (read == left)
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{
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break;
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}
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buf += read;
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left -= read;
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}
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*total = cur;
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return res;
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}
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