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dragonwell8_jdk
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cab1835f
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dragonwell8_jdk
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体验新版 GitCode,发现更多精彩内容 >>
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cab1835f
编写于
3月 03, 2014
作者:
P
prr
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
8034267: Probabilistic native crash
Reviewed-by: bae, serb, mschoene
上级
6d57d1cf
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
8 addition
and
25 deletion
+8
-25
src/share/native/sun/font/freetypeScaler.c
src/share/native/sun/font/freetypeScaler.c
+8
-25
未找到文件。
src/share/native/sun/font/freetypeScaler.c
浏览文件 @
cab1835f
...
...
@@ -177,18 +177,10 @@ static unsigned long ReadTTFontFileFunc(FT_Stream stream,
if
(
numBytes
>
FILEDATACACHESIZE
)
{
bBuffer
=
(
*
env
)
->
NewDirectByteBuffer
(
env
,
destBuffer
,
numBytes
);
if
(
bBuffer
!=
NULL
)
{
/* Loop until the read succeeds (or EOF).
* This should improve robustness in the event of a problem in
* the I/O system. If we find that we ever end up spinning here
* we are going to have to do some serious work to recover.
* Just returning without reading the data will cause a crash.
*/
while
(
bread
==
0
)
{
bread
=
(
*
env
)
->
CallIntMethod
(
env
,
scalerInfo
->
font2D
,
sunFontIDs
.
ttReadBlockMID
,
bBuffer
,
offset
,
numBytes
);
}
bread
=
(
*
env
)
->
CallIntMethod
(
env
,
scalerInfo
->
font2D
,
sunFontIDs
.
ttReadBlockMID
,
bBuffer
,
offset
,
numBytes
);
return
bread
;
}
else
{
/* We probably hit bug bug 4845371. For reasons that
...
...
@@ -224,19 +216,10 @@ static unsigned long ReadTTFontFileFunc(FT_Stream stream,
(
offset
+
FILEDATACACHESIZE
>
scalerInfo
->
fileSize
)
?
scalerInfo
->
fileSize
-
offset
:
FILEDATACACHESIZE
;
bBuffer
=
scalerInfo
->
directBuffer
;
/* Loop until all the read succeeds (or EOF).
* This should improve robustness in the event of a problem in
* the I/O system. If we find that we ever end up spinning here
* we are going to have to do some serious work to recover.
* Just returning without reading the data will cause a crash.
*/
while
(
bread
==
0
)
{
bread
=
(
*
env
)
->
CallIntMethod
(
env
,
scalerInfo
->
font2D
,
sunFontIDs
.
ttReadBlockMID
,
bBuffer
,
offset
,
scalerInfo
->
fontDataLength
);
}
bread
=
(
*
env
)
->
CallIntMethod
(
env
,
scalerInfo
->
font2D
,
sunFontIDs
.
ttReadBlockMID
,
bBuffer
,
offset
,
scalerInfo
->
fontDataLength
);
memcpy
(
destBuffer
,
scalerInfo
->
fontData
,
numBytes
);
return
numBytes
;
}
...
...
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