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Code Issues Releases Wiki Activity

Allow 0-length reads, the unarchivers expect this

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This commit is contained in:
codedread 2018-01-19 20:16:28 -08:00
parent ec27877ffa
commit b593fc6d8e
2 changed files with 26 additions and 6 deletions
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12
io/bitstream.js
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@ -51,8 +51,10 @@ bitjs.io.BitStream = class {
*/
peekBits_ltr(n, opt_movePointers) {
let num = parseInt(n, 10);
if (n !== num || num <= 0) {
if (n !== num || num < 0) {
throw 'Error! Called peekBits_ltr() with a non-positive integer';
} else if (num === 0) {
return 0;
}
const movePointers = opt_movePointers || false;
@ -112,8 +114,10 @@ bitjs.io.BitStream = class {
*/
peekBits_rtl(n, opt_movePointers) {
let num = parseInt(n, 10);
if (n !== num || num <= 0) {
if (n !== num || num < 0) {
throw 'Error! Called peekBits_rtl() with a non-positive integer';
} else if (num === 0) {
return 0;
}
const movePointers = opt_movePointers || false;
@ -189,8 +193,10 @@ bitjs.io.BitStream = class {
*/
peekBytes(n, opt_movePointers) {
const num = parseInt(n, 10);
if (n !== num || num <= 0) {
if (n !== num || num < 0) {
throw 'Error! Called peekBytes() with a non-positive integer';
} else if (num === 0) {
return new Uint8Array();
}
// Flush bits until we are byte-aligned.