{"header":{"message":"Start oxidizing 1/N","description":null,"timestamp":"2021-07-19T18:09:51.174446888Z","authors":[{}]},"hash":"HEFGMMUMJ2GGJGF2BEKF7EUL24AO53WJTXKBJSEGT64AV3Y4TBZQC","authors":[{"login":"darleybarreto","key":"HX17cQdFxjzuyMajCxVWYioTLErH6EF1kyxXg5DrRkKv"}],"deps":{"hashes":[["HEFGMMUMJ2GGJGF2BEKF7EUL24AO53WJTXKBJSEGT64AV3Y4TBZQC","Start oxidizing 1/N"],["AA",null],["53LCNWY2MBI4LX54LGUJFUOLIJUFOEYN3NUZAX7O5XTHT44ZJ22QC","Fixing compilation errors on Windows"],["UPRY2FELRWZCL5FGUS3EKS2RXEY7D2FGXYGLJWDNJT23PHITRWMAC","Remove bindgen dependency"],["HELRYMZKHZW4S2IEYXA4IE7VOYYL7FH6TVHGFHJ4J3KRBBLHPQPAC","Manual bindings (Windows and Clang aren't very good friends), and getting rid of anyhow"],["TTRHEUTNPNRDUV6333ODAX4HTAQJ5GP6VEZHDOZLLJPRT7IQQITQC","Changing permissions"],["IH334Q5ACWE4TNQYYOOF6GWV6CRXOEM6542NVNPA6HRIZ3CBFKEAC","Reboot"],["TKSHSYFM7M7CAFAJDZEZRPIIJF5PZF2GI3YRH7FEI632YQFS3AJQC","Using pkg-config to find the libraries (+ some cleanup)"]],"deps":["53LCNWY2MBI4LX54LGUJFUOLIJUFOEYN3NUZAX7O5XTHT44ZJ22QC"],"known":["IH334Q5ACWE4TNQYYOOF6GWV6CRXOEM6542NVNPA6HRIZ3CBFKEAC","UPRY2FELRWZCL5FGUS3EKS2RXEY7D2FGXYGLJWDNJT23PHITRWMAC","HELRYMZKHZW4S2IEYXA4IE7VOYYL7FH6TVHGFHJ4J3KRBBLHPQPAC","TKSHSYFM7M7CAFAJDZEZRPIIJF5PZF2GI3YRH7FEI632YQFS3AJQC","TTRHEUTNPNRDUV6333ODAX4HTAQJ5GP6VEZHDOZLLJPRT7IQQITQC"]},"hunks":[{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":6,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":241375}],"down_context":[{"change":3,"pos":0}],"flag":"BLOCK","start":0,"end":24,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":"extern crate twox_hash;"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":10,"ins":{"up_context":[{"change":3,"pos":241440}],"down_context":[{"change":3,"pos":241471}],"flag":"BLOCK","start":25,"end":665,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":241440},"to":{"change":3,"start":241440,"end":241471},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":"use std::convert::TryInto;"},{"Add":"use std::ffi::CStr;"},{"Add":"use std::hash::Hasher;"},{"Add":"use std::io::Read;"},{"Add":"use std::{cmp, fmt, fs, io, marker, mem, ptr, slice, sync};"},{"Add":""},{"Add":"use twox_hash::{xxh3::hash64, XxHash64};"},{"Add":""},{"Add":"const BLOCKSIZELOG_MAX: usize = 17;"},{"Add":"const BLOCKSIZE_MAX: usize = 1 << BLOCKSIZELOG_MAX;"},{"Add":"const SEEKABLE_BUFF_SIZE: usize = BLOCKSIZE_MAX;"},{"Add":"const SEEKABLE_MAXFRAMES: usize = 0x8000000;"},{"Add":""},{"Add":"const MAX_FRAME_DECOMPR_SIZE: u32 = 16;"},{"Add":"const MAGIC_SKIPPABLE_START: usize = 0x184D2A50;"},{"Add":"const SKIPPABLE_HEADER_SIZE: usize = 8;"},{"Add":"const SEEK_TABLE_FOOTER_SIZE: usize = 9;"},{"Add":"const SEEKABLE_MAGIC_NUMBER: usize = 0x8F92EAB1;"},{"Add":"const FRAMELOG_STARTING_CAPACITY: usize = 16;"}],"del_contents":[{"Del":"use std::ffi::{CStr, CString};\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":34,"ins":{"up_context":[{"change":3,"pos":241542}],"down_context":[{"change":3,"pos":241646}],"flag":"BLOCK","start":666,"end":926,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":241542},"to":{"change":3,"start":241542,"end":241609},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":241609},"to":{"change":3,"start":31,"end":66},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":"#[derive(Clone)]"},{"Add":"pub struct FrameLogEntry {"},{"Add":" c_size: u32,"},{"Add":" d_size: u32,"},{"Add":" checksum: u64,"},{"Add":"}"},{"Add":""},{"Add":"/// The type of compressors."},{"Add":"pub struct FrameLog {"},{"Add":" entries: Vec,"},{"Add":" checksum_flag: u64,"},{"Add":" seek_table_pos: u32,"},{"Add":" seek_table_index: u32,"}],"del_contents":[{"Del":"/// The type of seekable compressors.\npub struct SeekableCStream {\n"},{"Del":" p: *mut ZSTD_seekable_CStream,\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":54,"ins":{"up_context":[{"change":3,"pos":241728}],"down_context":[{"change":3,"pos":241806}],"flag":"BLOCK","start":927,"end":1253,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":241728},"to":{"change":3,"start":241728,"end":241806},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":"/// The type of seekable compressors."},{"Add":"pub struct SeekableCStream {"},{"Add":" cstream: CStream,"},{"Add":" framelog: FrameLog,"},{"Add":" frame_c_size: u32,"},{"Add":" frame_d_size: u32,"},{"Add":" xxh_state: XxHash64,"},{"Add":" max_frame_size: u32,"},{"Add":" writing_seek_table: bool,"},{"Add":"}"},{"Add":""},{"Add":"pub struct SeekEntry {"},{"Add":" c_offset: usize,"},{"Add":" d_offset: usize,"},{"Add":" checksum: u64,"}],"del_contents":[{"Del":"/// The type of compressors.\npub struct FrameLog {\n p: *mut ZSTD_frameLog,\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":71,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":241809}],"down_context":[{"change":3,"pos":241809}],"flag":"BLOCK","start":1254,"end":1333,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":"pub struct SeekTable {"},{"Add":" entries: Vec,"},{"Add":" checksum_flag: u64,"},{"Add":"}"},{"Add":""}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":78,"ins":{"up_context":[{"change":3,"pos":241869}],"down_context":[{"change":3,"pos":241980}],"flag":"BLOCK","start":1334,"end":1666,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":241869},"to":{"change":3,"start":241869,"end":241896},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":241896},"to":{"change":3,"start":241896,"end":241980},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" dstream: *mut ZSTD_DStream,"},{"Add":" seek_table: SeekTable,"},{"Add":" src: &'a mut R,"},{"Add":" decompressed_offset: u64,"},{"Add":" cur_frame: u32,"},{"Add":" in_buff: [u8; SEEKABLE_BUFF_SIZE],"},{"Add":" out_buff: [u8; SEEKABLE_BUFF_SIZE],"},{"Add":" inn: ZSTD_inBuffer,"},{"Add":" xxh_state: XxHash64,"},{"Add":" // marker: marker::PhantomData<&'a R>, //TODO: do we need this marker?"}],"del_contents":[{"Del":" p: *mut ZSTD_seekable,\n"},{"Del":" b: *mut R,\n f: *mut libc::FILE,\n marker: std::marker::PhantomData<&'a R>,\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":100,"ins":{"up_context":[{"change":3,"pos":85}],"down_context":[{"change":3,"pos":242248}],"flag":"BLOCK","start":1667,"end":1719,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":85},"to":{"change":3,"start":85,"end":117},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" Io(#[from] io::Error),"},{"Add":" Other(&'static str),"}],"del_contents":[{"Del":" Io(#[from] std::io::Error),\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":104,"ins":{"up_context":[{"change":3,"pos":242251}],"down_context":[{"change":3,"pos":242355}],"flag":"BLOCK","start":1720,"end":1809,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":242251},"to":{"change":3,"start":242251,"end":242355},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":"impl fmt::Debug for Error {"},{"Add":" fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {"}],"del_contents":[{"Del":"impl std::fmt::Debug for Error {\n fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":114,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":242677}],"down_context":[{"change":3,"pos":242677}],"flag":"BLOCK","start":1810,"end":1867,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":" Error::Other(ref s) => write!(fmt, \"{}\", s),"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":119,"ins":{"up_context":[{"change":3,"pos":242696}],"down_context":[{"change":3,"pos":242802}],"flag":"BLOCK","start":1868,"end":1959,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":242696},"to":{"change":3,"start":242696,"end":242802},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":"impl fmt::Display for Error {"},{"Add":" fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {"}],"del_contents":[{"Del":"impl std::fmt::Display for Error {\n fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":122,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":242836},"to":{"change":3,"start":242836,"end":242845},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":242845},"to":{"change":3,"start":242845,"end":243076},"introduced_by":3}],"inode":{"change":3,"pos":241245}}},"contents":[{"Del":" }\n}\n\n"},{"Del":"impl Drop for SeekableCStream {\n fn drop(&mut self) {\n unsafe {\n if !self.p.is_null() {\n ZSTD_seekable_freeCStream(self.p);\n self.p = std::ptr::null_mut();\n }\n }\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":127,"ins":{"up_context":[{"change":3,"pos":243134}],"down_context":[{"change":3,"pos":243186}],"flag":"BLOCK","start":1960,"end":2012,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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std::ptr::null_mut();\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":136,"ins":{"up_context":[{"change":3,"pos":243308}],"down_context":[{"change":3,"pos":243347}],"flag":"BLOCK","start":2056,"end":2091,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":243308},"to":{"change":3,"start":243308,"end":243347},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":"impl Drop for Seekable<'_, R> {"}],"del_contents":[{"Del":"impl<'a, R> Drop for Seekable<'a, R> {\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":138,"ins":{"up_context":[{"change":3,"pos":243372}],"down_context":[{"change":3,"pos":243829}],"flag":"BLOCK","start":2092,"end":2246,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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std::ptr::null_mut();\n }\n"},{"Del":" if !self.f.is_null() {\n fclose(self.f);\n self.f = std::ptr::null_mut();\n"},{"Del":" }\n"},{"Del":" if !self.b.is_null() {\n let b: Box = Box::from_raw(self.b);\n std::mem::drop(b);\n self.b = std::ptr::null_mut();\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":147,"ins":{"up_context":[{"change":3,"pos":243862}],"down_context":[{"change":3,"pos":244170}],"flag":"BLOCK","start":2247,"end":2312,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":243862},"to":{"change":3,"start":243862,"end":244062},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":244062},"to":{"change":3,"start":244062,"end":244076},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":244076},"to":{"change":3,"start":244076,"end":244095},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | 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as *mut u8, n as usize);"}],"del_contents":[{"Del":" let s = std::slice::from_raw_parts_mut(buffer as *mut u8, n as usize);\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":155,"ins":{"up_context":[{"change":3,"pos":244442}],"down_context":[{"change":3,"pos":244467}],"flag":"BLOCK","start":2384,"end":2404,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":244442},"to":{"change":3,"start":244442,"end":244467},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" mem::forget(b);"}],"del_contents":[{"Del":" std::mem::forget(b);\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":159,"ins":{"up_context":[{"change":3,"pos":244481}],"down_context":[{"change":3,"pos":244556}],"flag":"BLOCK","start":2405,"end":2470,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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{\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":168,"ins":{"up_context":[{"change":3,"pos":244807}],"down_context":[{"change":3,"pos":244848}],"flag":"BLOCK","start":2535,"end":2570,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":244807},"to":{"change":3,"start":244807,"end":244848},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" } else if origin == SEEK_CUR {"}],"del_contents":[{"Del":" } else if origin == libc::SEEK_CUR {\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":174,"ins":{"up_context":[{"change":3,"pos":245007}],"down_context":[{"change":3,"pos":245032}],"flag":"BLOCK","start":2571,"end":2591,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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})?))"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":184,"ins":{"up_context":[{"change":3,"pos":245046}],"down_context":[{"change":3,"pos":245069}],"flag":"BLOCK","start":2799,"end":2826,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":245046},"to":{"change":3,"start":245046,"end":245069},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":"impl<'a> SeekableCStream {"}],"del_contents":[{"Del":"impl SeekableCStream {\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":186,"ins":{"up_context":[{"change":3,"pos":245280}],"down_context":[{"change":3,"pos":245644}],"flag":"BLOCK","start":2827,"end":3456,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":245280},"to":{"change":3,"start":245280,"end":245353},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | 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Err(Error::Null);\n }\n let result = ZSTD_seekable_initCStream(p, level as c_int, 1, frame_size as c_uint);\n if ZSTD_isError(result) != 0 {\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":207,"ins":{"up_context":[{"change":3,"pos":245707}],"down_context":[{"change":3,"pos":245745}],"flag":"BLOCK","start":3457,"end":3998,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":245707},"to":{"change":3,"start":245707,"end":245745},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":""},{"Add":" Ok(SeekableCStream {"},{"Add":" cstream: CStream { p: cstream },"},{"Add":" framelog: FrameLog {"},{"Add":" entries: Vec::with_capacity(FRAMELOG_STARTING_CAPACITY),"},{"Add":" checksum_flag: 1,"},{"Add":" seek_table_pos: 0,"},{"Add":" seek_table_index: 0,"},{"Add":" },"},{"Add":" frame_c_size: 0,"},{"Add":" frame_d_size: 0,"},{"Add":" xxh_state: XxHash64::with_seed(0),"},{"Add":" max_frame_size,"},{"Add":" writing_seek_table: false,"},{"Add":" })"}],"del_contents":[{"Del":" Ok(SeekableCStream { p })\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":226,"ins":{"up_context":[{"change":3,"pos":246170}],"down_context":[{"change":3,"pos":246737}],"flag":"BLOCK","start":3999,"end":5166,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":246170},"to":{"change":3,"start":246170,"end":246187},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":246187},"to":{"change":3,"start":246187,"end":246285},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | 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in_tmp = ZSTD_inBuffer {"},{"Add":" src: input.as_ptr() as *const c_void,"},{"Add":" size: input.len() as size_t,"},{"Add":" pos: 0,"},{"Add":" };"},{"Add":""},{"Add":" if len > 0 {"},{"Add":" let ret = unsafe { ZSTD_compressStream(self.cstream.p, &mut output, &mut in_tmp) };"},{"Add":""},{"Add":" if self.framelog.checksum_flag != 0 {"},{"Add":" self.xxh_state"},{"Add":" .write(unsafe { slice::from_raw_parts(in_tmp.src as *const _, in_tmp.pos) });"},{"Add":" }"},{"Add":""},{"Add":" self.frame_c_size += output.pos as u32;"},{"Add":" self.frame_d_size += in_tmp.pos as u32;"},{"Add":""},{"Add":" if unsafe { ZSTD_isError(ret) } != 0 {"},{"Add":" return Err(Error::ZSTD(ret));"},{"Add":" }"},{"Add":" }"},{"Add":""},{"Add":" if self.max_frame_size == self.frame_d_size {"},{"Add":" let ret = self.end_stream(&mut output)?;"},{"Add":""},{"Add":" if unsafe { ZSTD_isError(ret) } != 0 {"},{"Add":" return Err(Error::ZSTD(ret));"}],"del_contents":[{"Del":" unsafe {\n"},{"Del":" let mut input = ZSTD_inBuffer {\n src: input.as_ptr() as *const c_void,\n"},{"Del":" size: input.len() as size_t,\n"},{"Del":" pos: 0,\n };\n"},{"Del":" let mut output = ZSTD_outBuffer {\n dst: output.as_mut_ptr() as *mut c_void,\n"},{"Del":" size: output.len() as size_t,\n"},{"Del":" pos: 0,\n };\n"},{"Del":" let result = ZSTD_seekable_compressStream(self.p, &mut output, &mut input);\n if ZSTD_isError(result) != 0 {\n return Err(Error::ZSTD(result));\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":262,"ins":{"up_context":[{"change":3,"pos":246751}],"down_context":[{"change":3,"pos":246809}],"flag":"BLOCK","start":5167,"end":6035,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":246751},"to":{"change":3,"start":246751,"end":246809},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" }"},{"Add":""},{"Add":" Ok((output.pos as usize, in_tmp.pos as usize))"},{"Add":" }"},{"Add":""},{"Add":" fn end_frame(&mut self, mut output: ZSTD_outBuffer) -> Result {"},{"Add":" let prev_out_pos = output.pos;"},{"Add":" let ret = unsafe { ZSTD_endStream(self.cstream.p, &mut output) };"},{"Add":""},{"Add":" self.frame_c_size += (output.pos - prev_out_pos) as u32;"},{"Add":""},{"Add":" if ret != 0 {"},{"Add":" return Ok(ret);"},{"Add":" }"},{"Add":""},{"Add":" let checksum = if self.framelog.checksum_flag != 0 {"},{"Add":" self.xxh_state.finish() & 0xFFFFFFFFu64"},{"Add":" } else {"},{"Add":" 0"},{"Add":" };"},{"Add":""},{"Add":" self.framelog"},{"Add":" .log_frame(self.frame_c_size, self.frame_d_size, checksum)?;"},{"Add":""},{"Add":" self.frame_c_size = 0;"},{"Add":" self.frame_d_size = 0;"},{"Add":""},{"Add":" unsafe { ZSTD_resetCStream(self.cstream.p, 0) };"},{"Add":""},{"Add":" if self.framelog.checksum_flag != 0 {"},{"Add":" self.xxh_state = XxHash64::with_seed(0);"}],"del_contents":[{"Del":" Ok((output.pos as usize, input.pos as usize))\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":294,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":246819}],"down_context":[{"change":3,"pos":246819}],"flag":"BLOCK","start":6036,"end":6051,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":""},{"Add":" Ok(0)"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":299,"ins":{"up_context":[{"change":3,"pos":246902}],"down_context":[{"change":3,"pos":247348}],"flag":"BLOCK","start":6052,"end":6479,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":246902},"to":{"change":3,"start":246902,"end":246980},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":246980},"to":{"change":3,"start":246980,"end":247100},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | 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Err(Error::ZSTD(end_frame));"},{"Add":" } else if end_frame != 0 {"},{"Add":" return Ok(end_frame + self.framelog.seek_table_size());"}],"del_contents":[{"Del":" pub fn end_stream(&mut self, output: &mut [u8]) -> Result {\n"},{"Del":" unsafe {\n let mut output = ZSTD_outBuffer {\n dst: output.as_mut_ptr() as *mut c_void,\n"},{"Del":" size: output.len() as size_t,\n"},{"Del":" pos: 0,\n };\n"},{"Del":" let result = ZSTD_seekable_endStream(self.p, &mut output);\n if ZSTD_isError(result) != 0 {\n return Err(Error::ZSTD(result));\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":308,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":247362},"to":{"change":3,"start":247362,"end":247398},"introduced_by":3}],"inode":{"change":3,"pos":241245}}},"contents":[{"Del":" Ok(output.pos as usize)\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":309,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":247408}],"down_context":[{"change":3,"pos":247408}],"flag":"BLOCK","start":6480,"end":6576,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":""},{"Add":" self.writing_seek_table = true;"},{"Add":" return self.framelog.write_seek_table(output);"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":315,"ins":{"up_context":[{"change":3,"pos":247417}],"down_context":[{"change":3,"pos":247432}],"flag":"BLOCK","start":6577,"end":6596,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":247417},"to":{"change":3,"start":247417,"end":247432},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":"impl<'a> CStream {"}],"del_contents":[{"Del":"impl CStream {\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":344,"ins":{"up_context":[{"change":3,"pos":248538}],"down_context":[{"change":3,"pos":249089}],"flag":"BLOCK","start":6597,"end":7086,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":248538},"to":{"change":3,"start":248538,"end":248653},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":248653},"to":{"change":3,"start":319,"end":364},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":353},"to":{"change":3,"start":248698,"end":248840},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":364},"to":{"change":3,"start":248698,"end":248840},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":248698},"to":{"change":3,"start":248698,"end":248840},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | 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};"},{"Add":" Ok((output.pos as usize, input.pos as usize, result as usize))"}],"del_contents":[{"Del":" unsafe {\n let mut input = ZSTD_inBuffer {\n src: input.as_ptr() as *const c_void,\n"},{"Del":" size: input.len() as size_t,\n"},{"Del":" pos: 0,\n };\n let mut output = ZSTD_outBuffer {\n dst: output.as_mut_ptr() as *mut c_void,\n"},{"Del":" size: output.len() as size_t,\n"},{"Del":" pos: 0,\n };\n let result = ZSTD_compressStream(self.p, &mut output, &mut input);\n Ok((output.pos as usize, input.pos as usize, result as usize))\n }\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":366,"ins":{"up_context":[{"change":3,"pos":249260}],"down_context":[{"change":3,"pos":249826}],"flag":"BLOCK","start":7087,"end":7620,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":249260},"to":{"change":3,"start":249260,"end":249375},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | 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size_t,"},{"Add":" pos: 0,"},{"Add":" };"},{"Add":" let result = unsafe {"},{"Add":" ZSTD_compressStream2(self.p, &mut output, &mut input, op as ZSTD_EndDirective)"},{"Add":" };"},{"Add":" Ok((output.pos as usize, input.pos as usize, result as usize))"}],"del_contents":[{"Del":" unsafe {\n let mut input = ZSTD_inBuffer {\n src: input.as_ptr() as *const c_void,\n"},{"Del":" size: input.len() as size_t,\n"},{"Del":" pos: 0,\n };\n let mut output = ZSTD_outBuffer {\n dst: output.as_mut_ptr() as *mut c_void,\n"},{"Del":" size: output.len() as size_t,\n"},{"Del":" pos: 0,\n };\n"},{"Del":" let result = ZSTD_compressStream2(self.p, &mut output, &mut input, op as ZSTD_EndDirective);\n"},{"Del":" Ok((output.pos as usize, input.pos as usize, result as usize))\n }\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":383,"ins":{"up_context":[{"change":3,"pos":249915}],"down_context":[{"change":3,"pos":250249}],"flag":"BLOCK","start":7621,"end":7911,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":249915},"to":{"change":3,"start":249915,"end":250035},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":250035},"to":{"change":3,"start":611,"end":657},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":657},"to":{"change":3,"start":250081,"end":250249},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":677},"to":{"change":3,"start":250081,"end":250249},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":250081},"to":{"change":3,"start":250081,"end":250249},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" let mut output = ZSTD_outBuffer {"},{"Add":" dst: output.as_mut_ptr() as *mut c_void,"},{"Add":" size: output.len() as size_t,"},{"Add":" pos: 0,"},{"Add":" };"},{"Add":" let result = unsafe { ZSTD_flushStream(self.p, &mut output) };"},{"Add":" Ok((output.pos as usize, result as usize))"}],"del_contents":[{"Del":" unsafe {\n let mut output = ZSTD_outBuffer {\n dst: output.as_mut_ptr() as *mut c_void,\n"},{"Del":" size: output.len() as size_t,\n"},{"Del":" pos: 0,\n };\n let result = ZSTD_flushStream(self.p, &mut output);\n Ok((output.pos as usize, result as usize))\n }\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":394,"ins":{"up_context":[{"change":3,"pos":250403}],"down_context":[{"change":3,"pos":250812}],"flag":"BLOCK","start":7912,"end":8244,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":250403},"to":{"change":3,"start":250403,"end":250523},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":250523},"to":{"change":3,"start":658,"end":704},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":704},"to":{"change":3,"start":250569,"end":250812},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":734},"to":{"change":3,"start":250569,"end":250812},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":250569},"to":{"change":3,"start":250569,"end":250812},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" let mut output = ZSTD_outBuffer {"},{"Add":" dst: output.as_mut_ptr() as *mut c_void,"},{"Add":" size: output.len() as size_t,"},{"Add":" pos: 0,"},{"Add":" };"},{"Add":" let result = unsafe { ZSTD_endStream(self.p, &mut output) };"},{"Add":" if unsafe { ZSTD_isError(result) } != 0 {"},{"Add":" return Err(Error::ZSTD(result));"}],"del_contents":[{"Del":" unsafe {\n let mut output = ZSTD_outBuffer {\n dst: output.as_mut_ptr() as *mut c_void,\n"},{"Del":" size: output.len() as size_t,\n"},{"Del":" pos: 0,\n };\n let result = ZSTD_endStream(self.p, &mut output);\n if ZSTD_isError(result) != 0 {\n return Err(Error::ZSTD(result));\n }\n Ok(output.pos as usize)\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":403,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":250822}],"down_context":[{"change":3,"pos":250822}],"flag":"BLOCK","start":8245,"end":8277,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":" Ok(output.pos as usize)"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":421,"ins":{"up_context":[{"change":3,"pos":251058}],"down_context":[{"change":3,"pos":251101}],"flag":"BLOCK","start":8278,"end":8316,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":251058},"to":{"change":3,"start":251058,"end":251101},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" self.p = ptr::null_mut();"}],"del_contents":[{"Del":" self.p = std::ptr::null_mut();\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":426,"ins":{"up_context":[{"change":3,"pos":251120}],"down_context":[{"change":3,"pos":251135}],"flag":"BLOCK","start":8317,"end":8336,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":251120},"to":{"change":3,"start":251120,"end":251135},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":"impl<'a> DStream {"}],"del_contents":[{"Del":"impl DStream {\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":442,"ins":{"up_context":[{"change":3,"pos":251468}],"down_context":[{"change":3,"pos":251816}],"flag":"BLOCK","start":8337,"end":9399,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":251468},"to":{"change":3,"start":251468,"end":251583},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":251583},"to":{"change":3,"start":705,"end":750},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":750},"to":{"change":3,"start":251628,"end":251770},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1024},"to":{"change":3,"start":251628,"end":251770},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":251628},"to":{"change":3,"start":251628,"end":251770},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":251770},"to":{"change":3,"start":751,"end":797},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" let mut input = ZSTD_inBuffer {"},{"Add":" src: input.as_ptr() as *const c_void,"},{"Add":" size: input.len() as size_t,"},{"Add":" pos: 0,"},{"Add":" };"},{"Add":" let mut output = ZSTD_outBuffer {"},{"Add":" dst: output.as_mut_ptr() as *mut c_void,"},{"Add":" size: output.len() as size_t,"},{"Add":" pos: 0,"},{"Add":" };"},{"Add":" let _result = unsafe { ZSTD_decompressStream(self.p, &mut output, &mut input) };"},{"Add":" Ok((output.pos as usize, input.pos as usize))"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"impl<'a, R: io::Read + io::Seek> Seekable<'a, R> {"},{"Add":" fn make_seekable(source: &'a mut R, dstream: *mut ZSTD_DStream) -> Self {"},{"Add":" Seekable {"},{"Add":" dstream,"},{"Add":" seek_table: SeekTable {"},{"Add":" entries: Vec::new(),"},{"Add":" checksum_flag: 1,"},{"Add":" },"},{"Add":" src: source,"},{"Add":" decompressed_offset: 0,"},{"Add":" cur_frame: 0,"},{"Add":" in_buff: [0; SEEKABLE_BUFF_SIZE],"},{"Add":" out_buff: [0; SEEKABLE_BUFF_SIZE],"},{"Add":" inn: ZSTD_inBuffer {"},{"Add":" src: ptr::null() as *const c_void,"},{"Add":" size: 0,"}],"del_contents":[{"Del":" unsafe {\n let mut input = ZSTD_inBuffer {\n src: input.as_ptr() as *const c_void,\n"},{"Del":" size: input.len() as size_t,\n"},{"Del":" pos: 0,\n };\n let mut output = ZSTD_outBuffer {\n dst: output.as_mut_ptr() as *mut c_void,\n"},{"Del":" size: output.len() as size_t,\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":474,"ins":{"up_context":[{"change":3,"pos":251840}],"down_context":[{"change":3,"pos":251995}],"flag":"BLOCK","start":9400,"end":9506,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":251840},"to":{"change":3,"start":251840,"end":251995},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" },"},{"Add":" xxh_state: XxHash64::with_seed(0),"},{"Add":" // marker: marker::PhantomData,"}],"del_contents":[{"Del":" };\n let _result = ZSTD_decompressStream(self.p, &mut output, &mut input);\n Ok((output.pos as usize, input.pos as usize))\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":479,"ins":{"up_context":[{"change":3,"pos":252011}],"down_context":[{"change":3,"pos":252013}],"flag":"BLOCK","start":9507,"end":9654,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":252011},"to":{"change":3,"start":252011,"end":252013},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":""},{"Add":" fn load_seek_table(&mut self) -> Result<(), Error> {"},{"Add":" self.src"},{"Add":" .seek(io::SeekFrom::End(-(SEEK_TABLE_FOOTER_SIZE as i64)));"}],"del_contents":[{"Del":"}\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":484,"ins":{"up_context":[{"change":3,"pos":252014}],"down_context":[{"change":3,"pos":252727}],"flag":"BLOCK","start":9655,"end":10084,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":252014},"to":{"change":3,"start":252014,"end":252042},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":252042},"to":{"change":3,"start":252042,"end":252177},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":252177},"to":{"change":3,"start":252177,"end":252250},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":252250},"to":{"change":3,"start":252250,"end":252305},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":252305},"to":{"change":3,"start":252305,"end":252330},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":252330},"to":{"change":3,"start":798,"end":897},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":897},"to":{"change":3,"start":252429,"end":252727},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1191},"to":{"change":3,"start":252429,"end":252727},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":252429},"to":{"change":3,"start":252429,"end":252727},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" let mut handle = self.src.take(SEEK_TABLE_FOOTER_SIZE as u64);"},{"Add":" handle.read(&mut self.in_buff);"},{"Add":""},{"Add":" if slice_to_num(&self.in_buff[5..9])? as usize != SEEKABLE_MAGIC_NUMBER {"},{"Add":" return Err(Error::Other(\"PrefixUnknown\"));"},{"Add":" }"},{"Add":""},{"Add":" let checksum_flag = (self.in_buff[4] >> 7) as usize;"},{"Add":" if ((checksum_flag >> 2) & 0x1f) == 0 {"},{"Add":" return Err(Error::Other(\"CorruptionDetected\"));"}],"del_contents":[{"Del":"impl<'a> Seekable<'a, ()> {\n"},{"Del":" /// Initialise a decompressor with an input buffer.\n pub fn init_buf(input: &'a [u8]) -> Result {\n unsafe {\n"},{"Del":" let p = ZSTD_seekable_create();\n if p.is_null() {\n"},{"Del":" return Err(Error::Null);\n }\n"},{"Del":" let result =\n"},{"Del":" ZSTD_seekable_initBuff(p, input.as_ptr() as *const c_void, input.len() as size_t);\n"},{"Del":" if ZSTD_isError(result) != 0 {\n return Err(Error::ZSTD(result));\n }\n Ok(Seekable {\n p,\n f: std::ptr::null_mut(),\n b: std::ptr::null_mut(),\n marker: std::marker::PhantomData,\n })\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":495,"ins":{"up_context":[{"change":3,"pos":252737}],"down_context":[{"change":3,"pos":252743}],"flag":"BLOCK","start":10085,"end":10371,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":252737},"to":{"change":3,"start":252737,"end":252743},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":""},{"Add":" let num_frames = slice_to_num(&self.in_buff[..4])? as usize;"},{"Add":" let size_p_entry: usize = 8 + if checksum_flag != 0 { 4 } else { 0 };"},{"Add":" let table_size = size_p_entry * num_frames;"},{"Add":" let frame_size = table_size + SEEK_TABLE_FOOTER_SIZE + SKIPPABLE_HEADER_SIZE;"}],"del_contents":[{"Del":" }\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":501,"ins":{"up_context":[{"change":3,"pos":252744}],"down_context":[{"change":3,"pos":253325}],"flag":"BLOCK","start":10372,"end":11959,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":252744},"to":{"change":3,"start":252744,"end":252874},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":252874},"to":{"change":3,"start":252874,"end":253325},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" let mut remaining = frame_size as usize - SEEK_TABLE_FOOTER_SIZE;"},{"Add":" let to_read = cmp::min(remaining, SEEKABLE_BUFF_SIZE);"},{"Add":""},{"Add":" self.src.seek(io::SeekFrom::End(-(frame_size as i64)));"},{"Add":""},{"Add":" handle = self.src.take(to_read as u64);"},{"Add":" handle.read(&mut self.in_buff)?;"},{"Add":" remaining -= to_read;"},{"Add":""},{"Add":" if slice_to_num(&self.in_buff[..4])? as usize != (MAGIC_SKIPPABLE_START | 0xE) {"},{"Add":" return Err(Error::Other(\"PrefixUnknown\"));"},{"Add":" }"},{"Add":" if slice_to_num(&self.in_buff[4..8])? as usize + SKIPPABLE_HEADER_SIZE != frame_size {"},{"Add":" return Err(Error::Other(\"PrefixUnknown\"));"},{"Add":" }"},{"Add":""},{"Add":" let mut entries: Vec = Vec::with_capacity((num_frames + 1) as usize);"},{"Add":" let (mut idx, mut pos) = (0usize, 8usize);"},{"Add":" let (mut c_offset, mut d_offset) = (0, 0);"},{"Add":""},{"Add":" let buffer_ptr = (&mut self.in_buff).as_mut_ptr();"},{"Add":""},{"Add":" while idx < num_frames {"},{"Add":" if pos + size_p_entry > SEEKABLE_BUFF_SIZE {"},{"Add":" let offset = SEEKABLE_BUFF_SIZE;"},{"Add":" let to_read = cmp::min(remaining, SEEKABLE_BUFF_SIZE - offset);"},{"Add":""},{"Add":" // FIXME: replace this pointer arithmetic with something safer"},{"Add":" unsafe { (buffer_ptr.add(pos)).copy_to(buffer_ptr, offset) };"},{"Add":""},{"Add":" handle = self.src.take(to_read as u64);"},{"Add":" // FIXME: if pointer arithmetic replace, this needs to change"},{"Add":" handle"},{"Add":" .read(unsafe { slice::from_raw_parts_mut(buffer_ptr.add(offset), to_read) })?;"},{"Add":" remaining -= to_read;"},{"Add":" pos = 0;"}],"del_contents":[{"Del":" /// Initialise a decompressor with a file. This method opens the file, and dropping the resulting `Seekable` closes the file.\n"},{"Del":" pub fn init_file(name_: &str) -> Result {\n unsafe {\n let name = CString::new(name_).unwrap();\n let f: *mut libc::FILE = fopen(name.as_ptr(), \"rb\\0\".as_ptr() as *const c_char);\n if f.is_null() {\n return Err(Error::CouldNotOpenFile(name_.to_string()));\n }\n let p = ZSTD_seekable_create();\n if p.is_null() {\n return Err(Error::Null);\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":538,"ins":{"up_context":[{"change":3,"pos":253339}],"down_context":[{"change":3,"pos":253499}],"flag":"BLOCK","start":11960,"end":12406,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":253339},"to":{"change":3,"start":253339,"end":253499},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":""},{"Add":" entries[idx].c_offset = c_offset;"},{"Add":" entries[idx].d_offset = d_offset;"},{"Add":""},{"Add":" c_offset += slice_to_num(&self.in_buff[pos..pos + 4])? as usize;"},{"Add":" pos += 4;"},{"Add":" d_offset += slice_to_num(&self.in_buff[pos..pos + 4])? as usize;"},{"Add":" pos += 4;"},{"Add":""},{"Add":" if checksum_flag != 0 {"},{"Add":" entries[idx].checksum = slice_to_num(&self.in_buff[pos..pos + 4])? as u64;"},{"Add":" pos += 4;"}],"del_contents":[{"Del":" let result = ZSTD_seekable_initFile(p, f as *mut FILE);\n if ZSTD_isError(result) != 0 {\n return Err(Error::ZSTD(result));\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":551,"ins":{"up_context":[{"change":3,"pos":253513}],"down_context":[{"change":3,"pos":253683}],"flag":"BLOCK","start":12407,"end":12430,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":253513},"to":{"change":3,"start":253513,"end":253683},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":""},{"Add":" idx += 1;"}],"del_contents":[{"Del":" Ok(Seekable {\n p,\n f,\n b: std::ptr::null_mut(),\n marker: std::marker::PhantomData,\n })\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":554,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":253693}],"down_context":[{"change":3,"pos":253693}],"flag":"BLOCK","start":12431,"end":12650,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":" entries[num_frames].c_offset = c_offset;"},{"Add":" entries[num_frames].d_offset = d_offset;"},{"Add":" self.seek_table.entries = entries;"},{"Add":" self.seek_table.checksum_flag = checksum_flag as u64;"},{"Add":""},{"Add":" Ok(())"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":561,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":253699},"to":{"change":3,"start":253699,"end":253701},"introduced_by":3}],"inode":{"change":3,"pos":241245}}},"contents":[{"Del":"}\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":562,"ins":{"up_context":[{"change":3,"pos":253702}],"down_context":[{"change":3,"pos":254705}],"flag":"BLOCK","start":12651,"end":13026,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":253702},"to":{"change":3,"start":253702,"end":253763},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":253763},"to":{"change":3,"start":253763,"end":253893},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":253893},"to":{"change":3,"start":253893,"end":254572},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":254572},"to":{"change":3,"start":254572,"end":254613},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":254613},"to":{"change":3,"start":254613,"end":254640},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":254640},"to":{"change":3,"start":254640,"end":254690},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":254690},"to":{"change":3,"start":254690,"end":254705},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" fn init_advanced(&mut self) -> Result<(), Error> {"},{"Add":" self.load_seek_table()?;"},{"Add":""},{"Add":" self.decompressed_offset = u64::MAX;"},{"Add":" self.cur_frame = u32::MAX;"},{"Add":""},{"Add":" let dstream_init = unsafe { ZSTD_initDStream(self.dstream) };"},{"Add":" if unsafe { ZSTD_isError(dstream_init) } != 0 {"},{"Add":" Err(Error::ZSTD(dstream_init))"},{"Add":" } else {"},{"Add":" Ok(())"}],"del_contents":[{"Del":"impl<'a, R: std::io::Read + std::io::Seek> Seekable<'a, R> {\n"},{"Del":" /// Initialise a decompressor with a file. This method opens the file, and dropping the resulting `Seekable` closes the file.\n"},{"Del":" pub fn init(r: Box) -> Result {\n unsafe {\n let p = ZSTD_seekable_create();\n if p.is_null() {\n return Err(Error::Null);\n }\n let opaque = Box::into_raw(r) as *mut R;\n let adv = ZSTD_seekable_customFile {\n opaque: opaque as *mut c_void,\n read: Some(zstd_seekable_read::),\n seek: Some(zstd_seekable_seek::),\n };\n let result = ZSTD_seekable_initAdvanced(p, adv);\n if ZSTD_isError(result) != 0 {\n return Err(Error::ZSTD(result));\n }\n Ok(Seekable {\n p,\n"},{"Del":" f: std::ptr::null_mut(),\n"},{"Del":" b: opaque,\n"},{"Del":" marker: std::marker::PhantomData,\n"},{"Del":" })\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":576,"ins":{"up_context":[{"change":3,"pos":254722}],"down_context":[{"change":3,"pos":254803}],"flag":"BLOCK","start":13027,"end":13576,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":254722},"to":{"change":3,"start":254722,"end":254803},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" /// Decompress a single frame. This method internally calls `decompress`, and `dest` must be exactly the size of the uncompressed frame."},{"Add":" pub fn decompress_frame(&mut self, dest: &mut [u8], index: usize) -> Result {"},{"Add":" let dec_size = self.get_frame_decompressed_size(index)?;"},{"Add":""},{"Add":" if dest.len() < dec_size {"},{"Add":" return Err(Error::Other(\"DestinationSizeTooSmall\"));"},{"Add":" }"},{"Add":""},{"Add":" self.decompress("},{"Add":" dest,"},{"Add":" dec_size,"},{"Add":" self.seek_table.entries[index].d_offset as u64,"},{"Add":" )"}],"del_contents":[{"Del":" pub fn into_inner(self) -> Box {\n unsafe { Box::from_raw(self.b) }\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":590,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":254809},"to":{"change":3,"start":254809,"end":254811},"introduced_by":3}],"inode":{"change":3,"pos":241245}}},"contents":[{"Del":"}\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":591,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":254812},"to":{"change":3,"start":254812,"end":254842},"introduced_by":3}],"inode":{"change":3,"pos":241245}}},"contents":[{"Del":"impl<'a, R> Seekable<'a, R> {\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":596,"ins":{"up_context":[{"change":3,"pos":255102}],"down_context":[{"change":3,"pos":255499}],"flag":"BLOCK","start":13577,"end":14546,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":255102},"to":{"change":3,"start":255102,"end":255331},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":255331},"to":{"change":3,"start":898,"end":935},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":935},"to":{"change":3,"start":255368,"end":255499},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1239},"to":{"change":3,"start":255368,"end":255499},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":255368},"to":{"change":3,"start":255368,"end":255499},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" pub fn decompress("},{"Add":" &mut self,"},{"Add":" out: &mut [u8],"},{"Add":" len: usize,"},{"Add":" offset: u64,"},{"Add":" ) -> Result {"},{"Add":" let mut tgt_frame = self.seekable_offset_to_frame_index(offset);"},{"Add":" let dst = out.as_mut_ptr();"},{"Add":""},{"Add":" loop {"},{"Add":" if tgt_frame as usize != self.cur_frame as usize || offset != self.decompressed_offset {"},{"Add":" self.decompressed_offset = self.seek_table.entries[tgt_frame].d_offset as u64;"},{"Add":" self.cur_frame = tgt_frame as u32;"},{"Add":""},{"Add":" self.src.seek(io::SeekFrom::Start("},{"Add":" self.seek_table.entries[tgt_frame].c_offset as u64,"},{"Add":" ));"},{"Add":""},{"Add":" self.inn = ZSTD_inBuffer {"},{"Add":" src: self.in_buff.as_ptr() as *const _ as *const c_void,"},{"Add":" size: 0,"},{"Add":" pos: 0,"},{"Add":" };"},{"Add":" self.xxh_state = XxHash64::with_seed(0);"},{"Add":" unsafe { ZSTD_resetDStream(self.dstream) };"}],"del_contents":[{"Del":" pub fn decompress(&mut self, out: &mut [u8], offset: u64) -> Result {\n unsafe {\n let result = ZSTD_seekable_decompress(\n self.p,\n out.as_mut_ptr() as *mut c_void,\n"},{"Del":" out.len() as size_t,\n"},{"Del":" offset,\n );\n if ZSTD_isError(result) != 0 {\n return Err(Error::ZSTD(result));\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":622,"ins":{"up_context":[{"change":3,"pos":255513}],"down_context":[{"change":3,"pos":255545}],"flag":"BLOCK","start":14547,"end":17660,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":255513},"to":{"change":3,"start":255513,"end":255545},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":""},{"Add":" while self.decompressed_offset < offset + len as u64 {"},{"Add":" let mut out_tmp = if self.decompressed_offset < offset {"},{"Add":" ZSTD_outBuffer {"},{"Add":" dst: self.out_buff.as_mut_ptr() as *mut c_void,"},{"Add":" size: cmp::min("},{"Add":" SEEKABLE_BUFF_SIZE,"},{"Add":" (offset - self.decompressed_offset) as size_t,"},{"Add":" ),"},{"Add":" pos: 0,"},{"Add":" }"},{"Add":" } else {"},{"Add":" ZSTD_outBuffer {"},{"Add":" dst: dst as *mut c_void,"},{"Add":" size: len,"},{"Add":" pos: (self.decompressed_offset - offset) as size_t,"},{"Add":" }"},{"Add":" };"},{"Add":""},{"Add":" let prev_out_pos = out_tmp.pos;"},{"Add":" let mut to_read ="},{"Add":" unsafe { ZSTD_decompressStream(self.dstream, &mut out_tmp, &mut self.inn) };"},{"Add":" if unsafe { ZSTD_isError(to_read) } != 0 {"},{"Add":" return Err(Error::ZSTD(to_read));"},{"Add":" }"},{"Add":""},{"Add":" if self.seek_table.checksum_flag != 0 {"},{"Add":" // FIXME: replace this pointer arithmetic with something safer"},{"Add":" let tmp: &[u8] = unsafe {"},{"Add":" slice::from_raw_parts_mut("},{"Add":" (out_tmp.dst as *mut u8).add(prev_out_pos),"},{"Add":" out_tmp.pos - prev_out_pos,"},{"Add":" )"},{"Add":" };"},{"Add":" self.xxh_state.write(tmp)"},{"Add":" }"},{"Add":""},{"Add":" self.decompressed_offset += (out_tmp.pos - prev_out_pos) as u64;"},{"Add":" if to_read == 0 {"},{"Add":" if self.seek_table.checksum_flag != 0"},{"Add":" && (self.xxh_state.finish() & 0xFFFFFFFFu64)"},{"Add":" != self.seek_table.entries[tgt_frame].checksum"},{"Add":" {"},{"Add":" return Err(Error::Other(\"CorruptionDetected\"));"},{"Add":" }"},{"Add":""},{"Add":" if self.decompressed_offset < offset + len as u64 {"},{"Add":" tgt_frame = self.seekable_offset_to_frame_index(self.decompressed_offset);"},{"Add":" }"},{"Add":""},{"Add":" break;"},{"Add":" }"},{"Add":""},{"Add":" if self.inn.pos == self.inn.size {"},{"Add":" to_read = cmp::min(to_read, SEEKABLE_BUFF_SIZE);"},{"Add":" let mut handle = self.src.take(to_read as u64);"},{"Add":" handle"},{"Add":" .read(&mut self.in_buff)"},{"Add":" .map_err(|_| Error::Other(\"Not able to read buffer\"));"},{"Add":" self.inn.size = to_read;"},{"Add":" self.inn.pos = 0;"},{"Add":" }"},{"Add":" }"},{"Add":""},{"Add":" if self.decompressed_offset != offset + len as u64 {"},{"Add":" break;"},{"Add":" }"},{"Add":" }"},{"Add":""},{"Add":" Ok(len)"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"impl<'a> Seekable<'a, io::Cursor<&'a mut [u8]>> {"},{"Add":" /// Initialise a decompressor with an input buffer."},{"Add":" pub fn init_buf(input: &'a mut [u8]) -> Result {"},{"Add":" let dstream = unsafe { ZSTD_createDStream() };"},{"Add":" if dstream.is_null() {"},{"Add":" return Err(Error::Null);"}],"del_contents":[{"Del":" Ok(result as usize)\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":702,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":255555}],"down_context":[{"change":3,"pos":255555}],"flag":"BLOCK","start":17661,"end":18691,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":""},{"Add":" let mut source = io::Cursor::new(input);"},{"Add":" let mut seekable = Seekable::make_seekable(&mut source, dstream);"},{"Add":" seekable.init_advanced()?;"},{"Add":" Ok(seekable)"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"impl<'a> Seekable<'a, fs::File> {"},{"Add":" /// Initialise a decompressor with a file. This method opens the file, and dropping the resulting `Seekable` closes the file."},{"Add":" pub fn init_file(name: &'a str) -> Result {"},{"Add":" let mut source = fs::File::create(name)?;"},{"Add":" let mut seekable = Seekable::make_seekable(&mut source, ptr::null_mut());"},{"Add":" seekable.init_advanced()?;"},{"Add":" Ok(seekable)"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"impl<'a, R: io::Read + io::Seek> Seekable<'a, Box> {"},{"Add":" /// Initialise a decompressor with a file. This method opens the file, and dropping the resulting `Seekable` closes the file."},{"Add":" pub fn init(source: &'a mut Box) -> Result {"},{"Add":" let source = &mut *source;"},{"Add":" let mut seekable = Seekable::make_seekable(source, ptr::null_mut());"},{"Add":" seekable.init_advanced()?;"},{"Add":" Ok(seekable)"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":728,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":255561}],"down_context":[{"change":3,"pos":255561}],"flag":"BLOCK","start":18692,"end":18805,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":""},{"Add":" // TODO: implement this properly"},{"Add":" // pub fn into_inner(self) -> Box {"},{"Add":" // *self.src"},{"Add":" // }"},{"Add":"}"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":735,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":255562}],"down_context":[{"change":3,"pos":255562}],"flag":"BLOCK","start":18806,"end":18836,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":"impl<'a, R> Seekable<'a, R> {"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":737,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":255603}],"down_context":[{"change":3,"pos":255603}],"flag":"BLOCK","start":18837,"end":18859,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":" #[inline(always)]"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":739,"ins":{"up_context":[{"change":3,"pos":255647}],"down_context":[{"change":3,"pos":255710}],"flag":"BLOCK","start":18860,"end":18898,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":255647},"to":{"change":3,"start":255647,"end":255710},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" self.seek_table.entries.len()"}],"del_contents":[{"Del":" unsafe { ZSTD_seekable_getNumFrames(self.p) as usize }\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":742,"ins":{"up_context":[{"change":3,"pos":255768}],"down_context":[{"change":3,"pos":255935}],"flag":"BLOCK","start":18899,"end":19182,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":255768},"to":{"change":3,"start":936,"end":1019},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1019},"to":{"change":3,"start":255846,"end":255935},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1328},"to":{"change":3,"start":255846,"end":255935},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":255846},"to":{"change":3,"start":255846,"end":255935},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" pub fn get_frame_compressed_offset(&self, frame_index: usize) -> Result {"},{"Add":" if frame_index >= self.get_num_frames() {"},{"Add":" Err(Error::Other(\"FrameIndexTooLarge\"))"},{"Add":" } else {"},{"Add":" Ok(self.seek_table.entries[frame_index].c_offset)"},{"Add":" }"}],"del_contents":[{"Del":" pub fn get_frame_compressed_offset(&self, frame_index: usize) -> c_ulonglong {\n"},{"Del":" unsafe { ZSTD_seekable_getFrameCompressedOffset(self.p, frame_index as c_uint) }\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":750,"ins":{"up_context":[{"change":3,"pos":255991}],"down_context":[{"change":3,"pos":256162}],"flag":"BLOCK","start":19183,"end":19532,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":255991},"to":{"change":3,"start":255991,"end":256162},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" pub fn get_frame_compressed_size(&self, frame_index: usize) -> Result {"},{"Add":" if frame_index >= self.get_num_frames() {"},{"Add":" Err(Error::Other(\"FrameIndexTooLarge\"))"},{"Add":" } else {"},{"Add":" Ok(self.seek_table.entries[frame_index + 1].c_offset"},{"Add":" - self.seek_table.entries[frame_index].c_offset)"},{"Add":" }"}],"del_contents":[{"Del":" pub fn get_frame_compressed_size(&self, frame_index: usize) -> usize {\n unsafe { ZSTD_seekable_getFrameCompressedSize(self.p, frame_index as c_uint) as usize }\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":759,"ins":{"up_context":[{"change":3,"pos":256222}],"down_context":[{"change":3,"pos":256390}],"flag":"BLOCK","start":19533,"end":19818,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":256222},"to":{"change":3,"start":256222,"end":256390},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" pub fn get_frame_decompressed_offset(&self, frame_index: usize) -> Result {"},{"Add":" if frame_index >= self.get_num_frames() {"},{"Add":" Err(Error::Other(\"FrameIndexTooLarge\"))"},{"Add":" } else {"},{"Add":" Ok(self.seek_table.entries[frame_index].d_offset)"},{"Add":" }"}],"del_contents":[{"Del":" pub fn get_frame_decompressed_offset(&self, frame_index: usize) -> u64 {\n unsafe { ZSTD_seekable_getFrameDecompressedOffset(self.p, frame_index as c_uint) }\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":767,"ins":{"up_context":[{"change":3,"pos":256448}],"down_context":[{"change":3,"pos":257079}],"flag":"BLOCK","start":19819,"end":20159,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":256448},"to":{"change":3,"start":256448,"end":256623},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":256623},"to":{"change":3,"start":256623,"end":256629},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":256629},"to":{"change":3,"start":256629,"end":256770},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":256770},"to":{"change":3,"start":256770,"end":256985},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":256985},"to":{"change":3,"start":1020,"end":1058},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1058},"to":{"change":3,"start":257023,"end":257079},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1377},"to":{"change":3,"start":257023,"end":257079},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":257023},"to":{"change":3,"start":257023,"end":257079},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" pub fn get_frame_decompressed_size(&self, frame_index: usize) -> Result {"},{"Add":" if frame_index > self.get_num_frames() {"},{"Add":" Err(Error::Other(\"FrameIndexTooLarge\"))"},{"Add":" } else {"},{"Add":" Ok(self.seek_table.entries[frame_index + 1].d_offset"},{"Add":" - self.seek_table.entries[frame_index].d_offset)"}],"del_contents":[{"Del":" pub fn get_frame_decompressed_size(&self, frame_index: usize) -> usize {\n unsafe { ZSTD_seekable_getFrameDecompressedSize(self.p, frame_index as c_uint) as usize }\n"},{"Del":" }\n"},{"Del":" /// Decompress a single frame. This method internally calls `decompress`, and `dest` must be exactly the size of the uncompressed frame.\n"},{"Del":" pub fn decompress_frame(&mut self, dest: &mut [u8], index: usize) -> usize {\n unsafe {\n ZSTD_seekable_decompressFrame(\n self.p,\n dest.as_mut_ptr() as *mut c_void,\n"},{"Del":" dest.len() as size_t,\n"},{"Del":" index as c_uint,\n ) as usize\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":776,"ins":{"up_context":[{"change":3,"pos":257168}],"down_context":[{"change":3,"pos":257322}],"flag":"BLOCK","start":20160,"end":20685,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":257168},"to":{"change":3,"start":257168,"end":257322},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" pub fn seekable_offset_to_frame_index(&self, offset: u64) -> usize {"},{"Add":" if offset >= self.seek_table.entries[self.get_num_frames()].d_offset as u64 {"},{"Add":" return self.get_num_frames();"},{"Add":" }"},{"Add":""},{"Add":" let (mut lo, mut hi) = (0, self.get_num_frames());"},{"Add":""},{"Add":" while lo + 1 < hi {"},{"Add":" let mid = lo + ((hi - lo) >> 1);"},{"Add":" if self.seek_table.entries[mid].d_offset as u64 <= offset {"},{"Add":" lo = mid"},{"Add":" } else {"},{"Add":" hi = mid;"},{"Add":" }"},{"Add":" }"},{"Add":""},{"Add":" lo"}],"del_contents":[{"Del":" pub fn seekable_offset_to_frame_index(&mut self, offset: u64) -> usize {\n unsafe { ZSTD_seekable_offsetToFrameIndex(self.p, offset) as usize }\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":803,"ins":{"up_context":[{"change":3,"pos":257480}],"down_context":[{"change":3,"pos":257505}],"flag":"BLOCK","start":20686,"end":20725,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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}\n fn as_slice(&self) -> &[u8] {\n self.as_ref()\n }\n fn len(&self) -> usize {\n 2048\n }\n fn new() -> Self {\n"},{"Del":" unsafe { std::mem::MaybeUninit::uninit().assume_init() }\n"},{"Del":" }\n}\nimpl Dst for [u8; 4096] {\n fn as_mut_ptr(&mut self) -> *mut u8 {\n self.as_mut().as_mut_ptr()\n }\n fn as_slice(&self) -> &[u8] {\n self.as_ref()\n }\n fn len(&self) -> usize {\n 4096\n }\n fn new() -> Self {\n"},{"Del":" unsafe { std::mem::MaybeUninit::uninit().assume_init() }\n"},{"Del":" }\n}\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":819,"ins":{"up_context":[{"change":3,"pos":259089}],"down_context":[{"change":3,"pos":259155}],"flag":"BLOCK","start":20737,"end":20794,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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c_uint,\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":831,"ins":{"up_context":[{"change":3,"pos":259302}],"down_context":[{"change":3,"pos":259369}],"flag":"BLOCK","start":20795,"end":20914,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":259302},"to":{"change":3,"start":259302,"end":259367},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":259367},"to":{"change":3,"start":259367,"end":259369},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":"fn compress_frame(src: &[u8], level: usize) -> Result, Error> {"},{"Add":" let mut dst = D::new();"}],"del_contents":[{"Del":"extern \"C\" {\n fn xxh64(src: *const u8, len: c_int) -> c_uint;\n"},{"Del":"}\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":834,"ins":{"up_context":[{"change":3,"pos":259370}],"down_context":[{"change":3,"pos":259636}],"flag":"BLOCK","start":20915,"end":20961,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":259370},"to":{"change":3,"start":259370,"end":259397},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":259397},"to":{"change":3,"start":259397,"end":259421},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | 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c_int);\n let ret = ZSTD_compress(\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":838,"ins":{"up_context":[{"change":3,"pos":1159}],"down_context":[{"change":3,"pos":259773}],"flag":"BLOCK","start":20962,"end":21038,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":3,"pos":1159},"to":{"change":3,"start":259714,"end":259773},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1518},"to":{"change":3,"start":259714,"end":259773},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":259714},"to":{"change":3,"start":259714,"end":259773},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" src.as_ptr() as *const c_void,"},{"Add":" src.len() as size_t,"}],"del_contents":[{"Del":" src_ptr as *const c_void,\n src_len,\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":841,"ins":{"up_context":[{"change":3,"pos":259801}],"down_context":[{"change":3,"pos":260079}],"flag":"BLOCK","start":21039,"end":21138,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":259801},"to":{"change":3,"start":259801,"end":260079},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" )"},{"Add":" };"},{"Add":""},{"Add":" if unsafe { ZSTD_isError(ret) } != 0 {"},{"Add":" return Err(Error::ZSTD(ret));"}],"del_contents":[{"Del":" );\n if ZSTD_isError(ret) != 0 {\n return Err(Error::ZSTD(ret));\n }\n println!(\"{:?}\", dst.as_slice());\n Ok(CompressedFrame {\n src_size: src_len,\n dst_size: ret,\n checksum,\n dst,\n })\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":847,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":260085}],"down_context":[{"change":3,"pos":260085}],"flag":"BLOCK","start":21139,"end":21341,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":""},{"Add":" println!(\"{:?}\", dst.as_slice());"},{"Add":""},{"Add":" let checksum = hash64(src);"},{"Add":""},{"Add":" Ok(CompressedFrame {"},{"Add":" src_size: src.len() as u32,"},{"Add":" dst_size: ret as u32,"},{"Add":" checksum,"},{"Add":" dst,"},{"Add":" })"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":862,"ins":{"up_context":[{"change":3,"pos":260131}],"down_context":[{"change":3,"pos":260245}],"flag":"BLOCK","start":21342,"end":22107,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":260131},"to":{"change":3,"start":260131,"end":260245},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" FrameLog {"},{"Add":" entries: Vec::new(),"},{"Add":" checksum_flag: 1,"},{"Add":" seek_table_pos: 0,"},{"Add":" seek_table_index: 0,"},{"Add":" }"},{"Add":" }"},{"Add":""},{"Add":" pub fn log_frame(&mut self, c_size: u32, d_size: u32, checksum: u64) -> Result<(), Error> {"},{"Add":" if self.entries.len() == SEEKABLE_MAXFRAMES {"},{"Add":" return Err(Error::Other(\"FrameIndexTooLarge\"));"},{"Add":" }"},{"Add":""},{"Add":" self.entries.push(FrameLogEntry {"},{"Add":" c_size,"},{"Add":" d_size,"},{"Add":" checksum,"},{"Add":" });"},{"Add":""},{"Add":" Ok(())"},{"Add":" }"},{"Add":""},{"Add":" #[inline(always)]"},{"Add":" pub fn seek_table_size(&self) -> usize {"},{"Add":" let size_p_frame = 8 + if self.checksum_flag != 0 { 4 } else { 0 };"},{"Add":" return SKIPPABLE_HEADER_SIZE + size_p_frame * self.entries.len() + SEEK_TABLE_FOOTER_SIZE;"}],"del_contents":[{"Del":" let p = unsafe { ZSTD_seekable_createFrameLog(1) };\n assert!(!p.is_null());\n FrameLog { p }\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":889,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":260251}],"down_context":[{"change":3,"pos":260251}],"flag":"BLOCK","start":22108,"end":22460,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":""},{"Add":" pub fn stwrite32(&self, output: &mut ZSTD_outBuffer, value: usize, offset: usize) -> usize {"},{"Add":" if (self.seek_table_pos as usize) < offset + 4 {"},{"Add":" let tmp = value.to_ne_bytes();"},{"Add":" let len_write = cmp::min("},{"Add":" output.size - output.pos,"},{"Add":" offset + 4 - self.seek_table_pos as usize,"},{"Add":" );"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":898,"ins":{"up_context":[{"change":3,"pos":260252}],"down_context":[{"change":3,"pos":260547}],"flag":"BLOCK","start":22461,"end":23019,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":260252},"to":{"change":3,"start":260252,"end":260547},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" // FIXME: replace this pointer arithmetic with something safer"},{"Add":" unsafe {"},{"Add":" ptr::copy_nonoverlapping("},{"Add":" tmp.as_ptr().add(self.seek_table_pos as usize - offset) as *const usize,"},{"Add":" output.dst.add(output.pos) as *mut usize,"},{"Add":" len_write,"},{"Add":" )"},{"Add":" };"},{"Add":""},{"Add":" output.pos += len_write;"},{"Add":""},{"Add":" return if len_write < 4 {"},{"Add":" self.seek_table_size() - self.seek_table_pos as usize"},{"Add":" } else {"},{"Add":" 0"},{"Add":" };"}],"del_contents":[{"Del":" pub fn log_frame(&mut self, frame: &CompressedFrame) -> usize {\n unsafe {\n ZSTD_seekable_logFrame(\n self.p,\n frame.dst_size as c_uint,\n frame.src_size as c_uint,\n frame.checksum,\n ) as usize\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":915,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":260557}],"down_context":[{"change":3,"pos":260557}],"flag":"BLOCK","start":23020,"end":23030,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":" 0"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":918,"ins":{"up_context":[{"change":3,"pos":260564}],"down_context":[{"change":3,"pos":260653}],"flag":"BLOCK","start":23031,"end":23114,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":260564},"to":{"change":3,"start":260564,"end":260653},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" pub fn write_all(&mut self, mut w: W) -> Result<(), io::Error> {"}],"del_contents":[{"Del":" pub fn write_all(&self, mut w: W) -> Result<(), std::io::Error> {\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":925,"ins":{"up_context":[{"change":3,"pos":260840}],"down_context":[{"change":3,"pos":261029}],"flag":"BLOCK","start":23115,"end":23231,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":260840},"to":{"change":3,"start":260840,"end":261029},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":""},{"Add":" while let Ok(ret) = self.write_seek_table(&mut output_) {"},{"Add":" if ret == 0 {"},{"Add":" break;"}],"del_contents":[{"Del":" unsafe {\n while ZSTD_seekable_writeSeekTable(self.p, &mut output_) != 0 {\n w.write_all(&output[..output_.pos as usize])?;\n output_.pos = 0;\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":930,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":261043}],"down_context":[{"change":3,"pos":261043}],"flag":"BLOCK","start":23232,"end":23233,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":""}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":932,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":261102}],"down_context":[{"change":3,"pos":261102}],"flag":"BLOCK","start":23234,"end":23263,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":" output_.pos = 0;"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":934,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":261112}],"down_context":[{"change":3,"pos":261112}],"flag":"BLOCK","start":23264,"end":23320,"inode":{"change":3,"pos":241245}}},"contents":[{"Add":""},{"Add":" w.write_all(&output[..output_.pos as usize])?;"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":938,"ins":{"up_context":[{"change":3,"pos":261133}],"down_context":[{"change":3,"pos":261135}],"flag":"BLOCK","start":23321,"end":24628,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":261133},"to":{"change":3,"start":261133,"end":261135},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":""},{"Add":" pub fn write_seek_table(&mut self, output: &mut ZSTD_outBuffer) -> Result {"},{"Add":" let size_p_frame = 8 + if self.checksum_flag != 0 { 4 } else { 0 };"},{"Add":" let table_len = self.seek_table_size();"},{"Add":""},{"Add":" let mut ret: usize = self.stwrite32(output, MAGIC_SKIPPABLE_START | 0xE, 0);"},{"Add":" if ret != 0 {"},{"Add":" return Ok(ret);"},{"Add":" };"},{"Add":""},{"Add":" // assert!(table_len <= usize::MAX);"},{"Add":""},{"Add":" ret = self.stwrite32(output, table_len - SKIPPABLE_HEADER_SIZE, 4);"},{"Add":" if ret != 0 {"},{"Add":" return Ok(ret);"},{"Add":" };"},{"Add":""},{"Add":" let mut i = self.seek_table_index as usize;"},{"Add":""},{"Add":" while i < self.entries.len() {"},{"Add":" let start = SKIPPABLE_HEADER_SIZE + size_p_frame * i;"},{"Add":" // assert!(start + 8 <= usize::MAX);"},{"Add":""},{"Add":" ret = self.stwrite32(output, self.entries[i].c_size as usize, start);"},{"Add":" if ret != 0 {"},{"Add":" return Ok(ret);"},{"Add":" };"},{"Add":""},{"Add":" ret = self.stwrite32(output, self.entries[i].d_size as usize, start + 4);"},{"Add":" if ret != 0 {"},{"Add":" return Ok(ret);"},{"Add":" };"},{"Add":""},{"Add":" if self.checksum_flag != 0 {"},{"Add":" ret = self.stwrite32(output, self.entries[i].checksum as usize, start + 8);"},{"Add":" if ret != 0 {"},{"Add":" return Ok(ret);"},{"Add":" };"},{"Add":" }"}],"del_contents":[{"Del":"}\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":978,"ins":{"up_context":[{"change":3,"pos":261136}],"down_context":[{"change":3,"pos":261188}],"flag":"BLOCK","start":24629,"end":24659,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":261136},"to":{"change":3,"start":261136,"end":261169},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":261169},"to":{"change":3,"start":1160,"end":1177},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1177},"to":{"change":3,"start":261186,"end":261188},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":1546},"to":{"change":3,"start":261186,"end":261188},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":261186},"to":{"change":3,"start":261186,"end":261188},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" i += 1;"},{"Add":" }"}],"del_contents":[{"Del":"struct Chunk {\n p: *const u8,\n"},{"Del":" len: size_t,\n"},{"Del":"}\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":981,"ins":{"up_context":[{"change":3,"pos":261189}],"down_context":[{"change":3,"pos":261219}],"flag":"BLOCK","start":24660,"end":24747,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":261189},"to":{"change":3,"start":261189,"end":261219},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" self.seek_table_index = i as u32;"},{"Add":" // assert!(table_len <= usize::MAX);"}],"del_contents":[{"Del":"unsafe impl Send for Chunk {}\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":984,"ins":{"up_context":[{"change":3,"pos":261220}],"down_context":[{"change":3,"pos":261299}],"flag":"BLOCK","start":24748,"end":25870,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":261220},"to":{"change":3,"start":261220,"end":261283},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":261283},"to":{"change":3,"start":261283,"end":261299},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" ret = self.stwrite32("},{"Add":" output,"},{"Add":" self.entries.len(),"},{"Add":" table_len - SEEK_TABLE_FOOTER_SIZE,"},{"Add":" );"},{"Add":" if ret != 0 {"},{"Add":" return Ok(ret);"},{"Add":" };"},{"Add":""},{"Add":" if output.size - output.pos < 1 {"},{"Add":" return Ok(table_len - self.seek_table_pos as usize);"},{"Add":" }"},{"Add":" if (self.seek_table_pos as usize) < table_len {"},{"Add":" let sfd = (self.checksum_flag << 7) as u8;"},{"Add":""},{"Add":" let array = unsafe { slice::from_raw_parts_mut(output.dst as *mut u8, output.size) };"},{"Add":""},{"Add":" array"},{"Add":" .get_mut(output.pos)"},{"Add":" .and_then(|el| Some(*el = sfd))"},{"Add":" .ok_or(Error::Other(\"index out of bounds\"));"},{"Add":""},{"Add":" output.pos += 1;"},{"Add":" }"},{"Add":""},{"Add":" ret = self.stwrite32(output, SEEKABLE_MAGIC_NUMBER, table_len - 4);"},{"Add":" if ret != 0 {"},{"Add":" return Ok(ret);"},{"Add":" };"},{"Add":""},{"Add":" if self.seek_table_pos as usize != table_len {"},{"Add":" Err(Error::Other(\"Generic error from ZSTD\"))"},{"Add":" } else {"},{"Add":" Ok(0)"},{"Add":" }"},{"Add":" }"},{"Add":"}"},{"Add":""},{"Add":"pub fn parallel_compress("},{"Add":" src: &'static [u8],"}],"del_contents":[{"Del":"pub fn parallel_compress(\n"},{"Del":" src: &[u8],\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":1028,"ins":{"up_context":[{"change":3,"pos":1203}],"down_context":[{"change":3,"pos":261420}],"flag":"BLOCK","start":25871,"end":25900,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":3,"pos":1203},"to":{"change":3,"start":261386,"end":261420},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":261386},"to":{"change":3,"start":261386,"end":261420},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" use sync::mpsc::channel;"}],"del_contents":[{"Del":" use std::sync::mpsc::channel;\n"}]}},{"Edit":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":1038,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":261715},"to":{"change":3,"start":261715,"end":261774},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | 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DELETED","from":{"change":3,"pos":261856},"to":{"change":3,"start":261856,"end":261932},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" let frame = compress_frame(chunk, level);"}],"del_contents":[{"Del":" let frame = compress_frame(chunk.p, chunk.len, level).unwrap();\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":1045,"ins":{"up_context":[{"change":3,"pos":262054}],"down_context":[{"change":3,"pos":262288}],"flag":"BLOCK","start":25956,"end":26136,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":262054},"to":{"change":3,"start":262054,"end":262288},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" let mut frames: Vec> = Vec::with_capacity(n);"},{"Add":" unsafe { frames.set_len(n) };"},{"Add":" for (i, frame) in rx.iter().take(n) {"},{"Add":" frames[i] = frame?;"},{"Add":" }"},{"Add":""}],"del_contents":[{"Del":" let frames: Vec> = unsafe {\n let mut frames = Vec::with_capacity(n);\n frames.set_len(n);\n for (i, frame) in rx.iter().take(n) {\n frames[i] = frame\n }\n frames\n };\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":1054,"ins":{"up_context":[{"change":3,"pos":262401}],"down_context":[{"change":3,"pos":262431}],"flag":"BLOCK","start":26137,"end":26209,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":262401},"to":{"change":3,"start":262401,"end":262431},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" log.log_frame(frame.src_size, frame.dst_size, frame.checksum)?;"}],"del_contents":[{"Del":" log.log_frame(frame);\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":1073,"ins":{"up_context":[{"change":3,"pos":263713}],"down_context":[{"change":3,"pos":263774}],"flag":"BLOCK","start":26210,"end":26266,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":263713},"to":{"change":3,"start":263713,"end":263774},"introduced_by":3}],"inode":{"change":3,"pos":241245}},"ins_contents":[{"Add":" println!(\"{:?}\", str::from_utf8(&decomp).unwrap());"}],"del_contents":[{"Del":" println!(\"{:?}\", std::str::from_utf8(&decomp).unwrap());\n"}]}},{"Replacement":{"inode":{"change":3,"pos":241245},"path":"src/lib.rs","line":1100,"ins":{"up_context":[{"change":3,"pos":265152}],"down_context":[{"change":3,"pos":265243}],"flag":"BLOCK","start":26267,"end":26348,"inode":{"change":3,"pos":241245}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | 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c_int) -> *mut ZSTD_frameLog;\n"},{"Del":" pub fn ZSTD_seekable_freeFrameLog(fl: *mut ZSTD_frameLog) -> size_t;\n"},{"Del":" pub fn ZSTD_seekable_logFrame(\n fl: *mut ZSTD_frameLog,\n"},{"Del":" compressedSize: c_uint,\n decompressedSize: c_uint,\n checksum: c_uint,\n"},{"Del":" ) -> size_t;\n"},{"Del":" pub fn ZSTD_seekable_writeSeekTable(\n fl: *mut ZSTD_frameLog,\n output: *mut ZSTD_outBuffer,\n ) -> size_t;\n"},{"Del":" pub fn ZSTD_seekable_create() -> *mut ZSTD_seekable;\n"},{"Del":" pub fn ZSTD_seekable_free(zs: *mut ZSTD_seekable) -> size_t;\n"},{"Del":" pub fn ZSTD_seekable_initBuff(\n zs: *mut ZSTD_seekable,\n"},{"Del":" src: *const c_void,\n"},{"Del":" srcSize: size_t,\n ) -> size_t;\n"},{"Del":" pub fn ZSTD_seekable_initFile(zs: *mut ZSTD_seekable, src: *mut libc::FILE) -> size_t;\n"},{"Del":" pub fn ZSTD_seekable_decompress(\n zs: *mut ZSTD_seekable,\n"},{"Del":" dst: *mut c_void,\n"},{"Del":" dstSize: size_t,\n"},{"Del":" offset: c_ulonglong,\n"},{"Del":" ) -> size_t;\n"},{"Del":" pub fn ZSTD_seekable_decompressFrame(\n zs: *mut ZSTD_seekable,\n"},{"Del":" dst: *mut c_void,\n"},{"Del":" dstSize: size_t,\n"},{"Del":" frameIndex: c_uint,\n"},{"Del":" ) -> size_t;\n"},{"Del":" pub fn ZSTD_seekable_getNumFrames(zs: *mut ZSTD_seekable) -> c_uint;\n"},{"Del":" pub fn ZSTD_seekable_getFrameCompressedOffset(\n zs: *mut ZSTD_seekable,\n"},{"Del":" frameIndex: c_uint,\n ) -> c_ulonglong;\n"},{"Del":" pub fn ZSTD_seekable_getFrameDecompressedOffset(\n zs: *mut ZSTD_seekable,\n"},{"Del":" frameIndex: c_uint,\n ) -> c_ulonglong;\n"},{"Del":" pub fn ZSTD_seekable_getFrameCompressedSize(\n zs: *mut ZSTD_seekable,\n"},{"Del":" frameIndex: c_uint,\n"},{"Del":" ) -> size_t;\n"},{"Del":" pub fn ZSTD_seekable_getFrameDecompressedSize(\n zs: *mut ZSTD_seekable,\n"},{"Del":" frameIndex: c_uint,\n"},{"Del":" ) -> size_t;\n"},{"Del":" pub fn ZSTD_seekable_offsetToFrameIndex(\n zs: *mut ZSTD_seekable,\n"},{"Del":" offset: c_ulonglong,\n ) -> 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