Re: [OpenJDK 2D-Dev] RFR: JDK-8263362: Avoid division by 0 in java/awt/font/TextJustifier.java justify [v2]

2021-05-06 Thread Prasanta Sadhukhan
On Wed, 5 May 2021 14:11:16 GMT, Matthias Baesken  wrote:

>> In java/awt/font/TextJustifier.java justify-method there is a potential code 
>> path where divison by zero might happen , see also the Sonar finding 
>> https://sonarcloud.io/project/issues?id=shipilev_jdk=AXcqMwpm8sPJZZzONu1k=false=CRITICAL=BUG
>> 
>> 
>> boolean hitLimit = (weight == 0) || (!lastPass && ((delta < 0) 
>> == (delta < gslimit)));
>> boolean absorbing = hitLimit && absorbweight > 0;
>> // predivide delta by weight
>> float weightedDelta = delta / weight; // not used if weight == 0
>> 
>> In case of (weight == 0) the division should not be done because the value 
>> of weightedDelta is unused in this case anyway.
>
> Matthias Baesken has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   adjust absorbweight check

Marked as reviewed by psadhukhan (Reviewer).

-

PR: https://git.openjdk.java.net/jdk/pull/2912


Re: [OpenJDK 2D-Dev] RFR: JDK-8263362: Avoid division by 0 in java/awt/font/TextJustifier.java justify [v2]

2021-05-05 Thread Matthias Baesken
> In java/awt/font/TextJustifier.java justify-method there is a potential code 
> path where divison by zero might happen , see also the Sonar finding 
> https://sonarcloud.io/project/issues?id=shipilev_jdk=AXcqMwpm8sPJZZzONu1k=false=CRITICAL=BUG
> 
> 
> boolean hitLimit = (weight == 0) || (!lastPass && ((delta < 0) == 
> (delta < gslimit)));
> boolean absorbing = hitLimit && absorbweight > 0;
> // predivide delta by weight
> float weightedDelta = delta / weight; // not used if weight == 0
> 
> In case of (weight == 0) the division should not be done because the value of 
> weightedDelta is unused in this case anyway.

Matthias Baesken has updated the pull request incrementally with one additional 
commit since the last revision:

  adjust absorbweight check

-

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2912/files
  - new: https://git.openjdk.java.net/jdk/pull/2912/files/6b31126f..4e21791e

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk=2912=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk=2912=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2912.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2912/head:pull/2912

PR: https://git.openjdk.java.net/jdk/pull/2912