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Merge pull request #4366 from yurydelendik/max-fdefs

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Rejects invalid fpgm table when too many functions
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Yury Delendik 2014-03-05 06:16:44 -06:00
commit f04ebed579
1 changed files with 5 additions and 0 deletions
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5
src/core/fonts.js
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@ -3717,6 +3717,11 @@ var Font = (function FontClosure() {
if (ttContext.tooComplexToFollowFunctions) {
return;
}
if (ttContext.functionsDefined.length > maxFunctionDefs) {
warn('TT: more functions defined than expected');
ttContext.hintsValid = false;
return;
}
for (var j = 0, jj = ttContext.functionsUsed.length; j < jj; j++) {
if (j > maxFunctionDefs) {
warn('TT: invalid function id: ' + j);