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ZipFileReader: Better implementation of Rewind

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This commit is contained in:
Henrik Rydgård 2024-10-28 12:11:38 +01:00
parent 826e70c131
commit c30ec47937
1 changed files with 8 additions and 4 deletions
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12
Common/File/VFS/ZipFileReader.cpp
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@ -290,22 +290,26 @@ VFSOpenFile *ZipFileReader::OpenFileForRead(VFSFileReference *vfsReference, size
}
void ZipFileReader::Rewind(VFSOpenFile *vfsOpenFile) {
ZipFileReaderOpenFile *openFile = (ZipFileReaderOpenFile *)vfsOpenFile;
// Close and re-open.
zip_fclose(openFile->zf);
openFile->zf = zip_fopen_index(zip_file_, openFile->reference->zi, 0);
ZipFileReaderOpenFile *file = (ZipFileReaderOpenFile *)vfsOpenFile;
_assert_(file);
_dbg_assert_(file->zf != nullptr);
zip_fseek(file->zf, 0, SEEK_SET);
}
size_t ZipFileReader::Read(VFSOpenFile *vfsOpenFile, void *buffer, size_t length) {
ZipFileReaderOpenFile *file = (ZipFileReaderOpenFile *)vfsOpenFile;
_assert_(file);
_dbg_assert_(file->zf != nullptr);
return zip_fread(file->zf, buffer, length);
}
void ZipFileReader::CloseFile(VFSOpenFile *vfsOpenFile) {
ZipFileReaderOpenFile *file = (ZipFileReaderOpenFile *)vfsOpenFile;
_assert_(file);
_dbg_assert_(file->zf != nullptr);
zip_fclose(file->zf);
file->zf = nullptr;
vfsOpenFile = nullptr;
lock_.unlock();
delete file;
}