initial
This commit is contained in:
commit
8e183c25f1
SSH Key Fingerprint:
SHA256:h4k7JNrfe1dzv1WE3oGVeAY9DPSZXIu3/j89+6DtHWE
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@ -0,0 +1 @@
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/target
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@ -0,0 +1,119 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 4
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[[package]]
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name = "adler2"
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version = "2.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
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[[package]]
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name = "alloc-no-stdlib"
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version = "2.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cc7bb162ec39d46ab1ca8c77bf72e890535becd1751bb45f64c597edb4c8c6b3"
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[[package]]
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name = "alloc-stdlib"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "94fb8275041c72129eb51b7d0322c29b8387a0386127718b096429201a5d6ece"
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dependencies = [
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"alloc-no-stdlib",
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]
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[[package]]
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name = "brotli"
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version = "8.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9991eea70ea4f293524138648e41ee89b0b2b12ddef3b255effa43c8056e0e0d"
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dependencies = [
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"alloc-no-stdlib",
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"alloc-stdlib",
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"brotli-decompressor",
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]
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[[package]]
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name = "brotli-decompressor"
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version = "5.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "874bb8112abecc98cbd6d81ea4fa7e94fb9449648c93cc89aa40c81c24d7de03"
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dependencies = [
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"alloc-no-stdlib",
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"alloc-stdlib",
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]
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[[package]]
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name = "cfg-if"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9555578bc9e57714c812a1f84e4fc5b4d21fcb063490c624de019f7464c91268"
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[[package]]
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name = "crc32fast"
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version = "1.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9481c1c90cbf2ac953f07c8d4a58aa3945c425b7185c9154d67a65e4230da511"
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dependencies = [
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"cfg-if",
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]
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[[package]]
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name = "flate2"
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version = "1.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4a3d7db9596fecd151c5f638c0ee5d5bd487b6e0ea232e5dc96d5250f6f94b1d"
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dependencies = [
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"crc32fast",
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"miniz_oxide",
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]
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[[package]]
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name = "memchr"
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version = "2.7.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "32a282da65faaf38286cf3be983213fcf1d2e2a58700e808f83f4ea9a4804bc0"
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[[package]]
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name = "miniz_oxide"
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version = "0.8.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316"
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dependencies = [
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"adler2",
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]
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[[package]]
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name = "object"
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version = "0.37.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "03fd943161069e1768b4b3d050890ba48730e590f57e56d4aa04e7e090e61b4a"
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dependencies = [
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"flate2",
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"memchr",
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"ruzstd",
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]
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[[package]]
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name = "ruzstd"
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version = "0.8.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3640bec8aad418d7d03c72ea2de10d5c646a598f9883c7babc160d91e3c1b26c"
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dependencies = [
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"twox-hash",
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]
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[[package]]
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name = "tauriunpack"
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version = "0.1.0"
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dependencies = [
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"brotli",
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"object",
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]
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[[package]]
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name = "twox-hash"
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version = "2.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8b907da542cbced5261bd3256de1b3a1bf340a3d37f93425a07362a1d687de56"
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@ -0,0 +1,8 @@
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[package]
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name = "tauriunpack"
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version = "0.1.0"
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edition = "2024"
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[dependencies]
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brotli = "8"
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object = "0.37"
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@ -0,0 +1,99 @@
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use std::{
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env,
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error::Error,
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fmt, fs,
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io::{Cursor, Read},
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path::PathBuf,
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};
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use object::{Object, ObjectSection, read::pe::PeFile64};
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type Result<T> = std::result::Result<T, Box<dyn Error>>;
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#[derive(Debug)]
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enum MyError {
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NoParentDir,
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NoSection,
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NoData,
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}
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impl fmt::Display for MyError {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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Self::NoParentDir => write!(f, "no parent dir for path"),
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Self::NoSection => write!(f, "no section found"),
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Self::NoData => write!(f, "no data"),
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}
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}
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}
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impl Error for MyError {}
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fn next_u64_le(r: &mut impl Read) -> Result<u64> {
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let mut b = [0u8; 8];
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r.read_exact(&mut b)?;
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Ok(u64::from_le_bytes(b))
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}
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fn main() -> Result<()> {
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// read args
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let mut args = env::args().skip(1);
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let table_base: u64 = args
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.next()
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.and_then(|s| u64::from_str_radix(&s, 16).ok())
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.expect("no table base provided");
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let table_len: u64 = args
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.next()
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.and_then(|s| s.parse().ok())
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.expect("no table len provided");
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let path = args.next().expect("no *.exe provided");
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// read file
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let data = fs::read(path)?;
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// parse file
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let file = PeFile64::parse(&*data)?;
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// find section
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let section = file
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.sections()
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.find(|s| (s.address()..s.address() + s.size()).contains(&table_base))
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.ok_or(MyError::NoSection)?;
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// dump table
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for i in 0..table_len {
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// get entry
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let ptr_entry = table_base + 32 * i;
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let entry = section.data_range(ptr_entry, 32)?.ok_or(MyError::NoData)?;
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// parse entry
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let mut c = Cursor::new(entry);
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let ptr_name = next_u64_le(&mut c)?;
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let len_name = next_u64_le(&mut c)?;
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let ptr_data = next_u64_le(&mut c)?;
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let len_data = next_u64_le(&mut c)?;
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// read name/data
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let name = section
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.data_range(ptr_name, len_name)?
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.ok_or(MyError::NoData)?;
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let data = section
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.data_range(ptr_data, len_data)?
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.ok_or(MyError::NoData)?;
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// print name
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let mut name = String::from_utf8(name.to_vec())?;
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println!("saving {name}");
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// make path
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let mut p = PathBuf::from("./save");
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name.insert(0, '.');
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p.push(name);
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// open file
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let parent = p.parent().ok_or(MyError::NoParentDir)?;
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fs::create_dir_all(parent)?;
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let mut file = fs::File::create_new(p)?;
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brotli::BrotliDecompress(&mut &data[..], &mut file)?;
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}
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Ok(())
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}
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