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Migrate to generic stream implementation

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topjohnwu
2019-11-21 06:08:02 -05:00
parent 4f9a25ee89
commit d26d804cc2
8 changed files with 648 additions and 770 deletions
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32
native/jni/magiskboot/ramdisk.cpp
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@@ -241,14 +241,17 @@ void magisk_cpio::compress() {
return;
fprintf(stderr, "Compressing cpio -> [%s]\n", RAMDISK_XZ);
auto init = entries.extract("init");
XZEncoder encoder;
encoder.setOut(make_unique<BufOutStream>());
output(encoder);
encoder.finalize();
uint8_t *data;
size_t len;
FILE *fp = open_stream(get_encoder(XZ, open_stream<byte_stream>(data, len)));
dump(fp);
entries.clear();
entries.insert(std::move(init));
auto xz = new cpio_entry(RAMDISK_XZ, S_IFREG);
static_cast<BufOutStream *>(encoder.getOut())->release(xz->data, xz->filesize);
xz->data = data;
xz->filesize = len;
insert(xz);
}
@@ -257,15 +260,16 @@ void magisk_cpio::decompress() {
if (it == entries.end())
return;
fprintf(stderr, "Decompressing cpio [%s]\n", RAMDISK_XZ);
LZMADecoder decoder;
decoder.setOut(make_unique<BufOutStream>());
decoder.write(it->second->data, it->second->filesize);
decoder.finalize();
char *data;
size_t len;
auto strm = get_decoder(XZ, open_stream<byte_stream>(data, len));
strm->write(it->second->data, it->second->filesize);
delete strm;
entries.erase(it);
char *buf;
size_t sz;
static_cast<BufOutStream *>(decoder.getOut())->getbuf(buf, sz);
load_cpio(buf, sz);
load_cpio(data, len);
free(data);
}
int cpio_commands(int argc, char *argv[]) {
@@ -338,4 +342,4 @@ int cpio_commands(int argc, char *argv[]) {
cpio.dump(incpio);
return 0;
}
}