Sakurai/pdf.js
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used typeof b == undefined

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This commit is contained in:
sbarman 2011-06-20 14:10:10 -07:00
parent 4813415044
commit 9c01d8536a
1 changed files with 6 additions and 6 deletions
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12
pdf.js
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@ -288,7 +288,7 @@ var FlateStream = (function() {
while (codeSize < maxLen) { while (codeSize < maxLen) {
var b; var b;
if ((b = bytes[bytesPos++]) == undefined) if (typeof (b = bytes[bytesPos++]) == "undefined")
error("Bad encoding in flate stream"); error("Bad encoding in flate stream");
codeBuf |= (b << codeSize); codeBuf |= (b << codeSize);
codeSize += 8; codeSize += 8;
@ -416,16 +416,16 @@ var FlateStream = (function() {
var b; var b;
if (hdr == 0) { // uncompressed block if (hdr == 0) { // uncompressed block
if ((b = bytes[bytesPos++]) == undefined) if (typeof (b = bytes[bytesPos++]) == "undefined")
error("Bad block header in flate stream"); error("Bad block header in flate stream");
var blockLen = b; var blockLen = b;
if ((b = bytes[bytesPos++]) == undefined) if (typeof (b = bytes[bytesPos++]) == "undefined")
error("Bad block header in flate stream"); error("Bad block header in flate stream");
blockLen |= (b << 8); blockLen |= (b << 8);
if ((b = bytes[bytesPos++]) == undefined) if (typeof (b = bytes[bytesPos++]) == "undefined")
error("Bad block header in flate stream"); error("Bad block header in flate stream");
var check = b; var check = b;
if ((b = bytes[bytesPos++]) == undefined) if (typeof (b = bytes[bytesPos++]) == "undefined")
error("Bad block header in flate stream"); error("Bad block header in flate stream");
check |= (b << 8); check |= (b << 8);
if (check != (~this.blockLen & 0xffff)) if (check != (~this.blockLen & 0xffff))
@ -434,7 +434,7 @@ var FlateStream = (function() {
var buffer = this.ensureBuffer(bufferLength + blockLen); var buffer = this.ensureBuffer(bufferLength + blockLen);
this.bufferLength = bufferLength + blockLen; this.bufferLength = bufferLength + blockLen;
for (var n = bufferLength; n < blockLen; ++n) { for (var n = bufferLength; n < blockLen; ++n) {
if ((b = bytes[bytesPos++]) == undefined) { if (typeof (b = bytes[bytesPos++]) == "undefined") {
this.eof = true; this.eof = true;
break; break;
} }