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8023052: JVM crash in native layout

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Reviewed-by: bae, prr
This commit is contained in:
Vadim Pakhnushev 2013-08-23 14:13:38 +04:00
parent c2aba135c2
commit 9e84a85d64
1 changed files with 4 additions and 0 deletions
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4
jdk/src/share/native/sun/font/layout/SunLayoutEngine.cpp
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@ -179,6 +179,10 @@ JNIEXPORT void JNICALL Java_sun_font_SunLayoutEngine_nativeLayout
FontInstanceAdapter fia(env, font2d, strike, mat, 72, 72, (le_int32) upem, (TTLayoutTableCache *) layoutTables); FontInstanceAdapter fia(env, font2d, strike, mat, 72, 72, (le_int32) upem, (TTLayoutTableCache *) layoutTables);
LEErrorCode success = LE_NO_ERROR; LEErrorCode success = LE_NO_ERROR;
LayoutEngine *engine = LayoutEngine::layoutEngineFactory(&fia, script, lang, typo_flags & TYPO_MASK, success); LayoutEngine *engine = LayoutEngine::layoutEngineFactory(&fia, script, lang, typo_flags & TYPO_MASK, success);
if (engine == NULL) {
env->SetIntField(gvdata, gvdCountFID, -1); // flag failure
return;
}
if (min < 0) min = 0; if (max < min) max = min; /* defensive coding */ if (min < 0) min = 0; if (max < min) max = min; /* defensive coding */
// have to copy, yuck, since code does upcalls now. this will be soooo slow // have to copy, yuck, since code does upcalls now. this will be soooo slow