C++: Static variables are initialized to zero or null by compiler #20129
+52
−0
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Static variables are initialized to zero or null by compiler, no need to get an initializer of them. See https://stackoverflow.com/questions/13251083/the-initialization-of-static-variables-in-c See 6.7.8/10 in the C99 Standard. A relevant PR: github#16527
geoffw0
reviewed
Jul 28, 2025
| --- | ||
| category: minorAnalysis | ||
| --- | ||
| * The "GlobalVariable not initialized" query (`cpp/not-initialised`) no longer reports an alert on static global variables that has no dereference. |
There was a problem hiding this comment.
Suggested change
| * The "GlobalVariable not initialized" query (`cpp/not-initialised`) no longer reports an alert on static global variables that has no dereference. | |
| * The "Initialization code not run" query (`cpp/initialization-not-run`) no longer reports an alert on static global variables that has no dereference. |
cpp/ql/test/query-tests/Critical/InitialisationNotRun/InitialisationNotRun.qlref
Show resolved
Hide resolved
CPP: Add .expected file for the InitialisationNotRun test
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Static variables are initialized to zero or null by compilers; there is no need to get an initializer for them.
See https://stackoverflow.com/questions/13251083/the-initialization-of-static-variables-in-c
See 6.7.8/10 in the C99 Standard
Please see a relevant PR: #16527