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code review of pure-js implementation of lz4

This commit is contained in:
Raymond Hill 2018-08-12 08:47:50 -04:00
parent 0aeaf27f58
commit 55501c4cdf
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GPG Key ID: 25E1490B761470C2
1 changed files with 4 additions and 5 deletions
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9
src/lib/lz4/lz4-block-codec-js.js
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@ -59,7 +59,7 @@ let growOutputBuffer = function(instance, size) {
let encodeBound = function(size) { let encodeBound = function(size) {
return size > 0x7E000000 ? return size > 0x7E000000 ?
0 : 0 :
size + size / 255 + 16; size + (size / 255 | 0) + 16;
}; };
let encodeBlock = function(instance, iBuf, oOffset) { let encodeBlock = function(instance, iBuf, oOffset) {
@ -81,9 +81,8 @@ let encodeBlock = function(instance, iBuf, oOffset) {
iBuf = new Uint8Array(iBuf); iBuf = new Uint8Array(iBuf);
} }
let oBuf = new Uint8Array( let oLen = oOffset + encodeBound(iLen);
growOutputBuffer(instance, oOffset + encodeBound(iLen)) let oBuf = new Uint8Array(growOutputBuffer(instance, oLen), 0, oLen);
);
let iPos = 0; let iPos = 0;
let oPos = oOffset; let oPos = oOffset;
let anchorPos = 0; let anchorPos = 0;
@ -186,7 +185,7 @@ let encodeBlock = function(instance, iBuf, oOffset) {
let decodeBlock = function(instance, iBuf, iOffset, oLen) { let decodeBlock = function(instance, iBuf, iOffset, oLen) {
let iLen = iBuf.byteLength; let iLen = iBuf.byteLength;
let oBuf = new Uint8Array(growOutputBuffer(instance, oLen)); let oBuf = new Uint8Array(growOutputBuffer(instance, oLen), 0, oLen);
let iPos = iOffset, oPos = 0; let iPos = iOffset, oPos = 0;
while ( iPos < iLen ) { while ( iPos < iLen ) {