Skip to content

Fix #14728 FP ctunullpointer with std::optional #8536

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
chrchr-github wants to merge 2 commits into
base: main
Choose a base branch
from
+11 −0
Open

Fix #14728 FP ctunullpointer with std::optional #8536

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
20e63bc
Update testnullpointer.cpp
chrchr-github May 7, 2026
046e0da
Update checknullpointer.cpp
chrchr-github May 7, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions lib/checknullpointer.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -187,6 +187,8 @@ bool CheckNullPointer::isPointerDeRef(const Token *tok, bool &unknown, const Set
// declaration of function pointer
if (tok->variable() && tok->variable()->nameToken() == tok)
return false;
if ((tok->valueType() && tok->valueType()->pointer == 0) && !astIsIterator(tok) && !astIsSmartPointer(tok))
return false;
if (!addressOf)
return true;
}
Expand Down
9 changes: 9 additions & 0 deletions test/testnullpointer.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4830,6 +4830,15 @@ class TestNullPointer : public TestFixture {
"[test.cpp:5:20]: note: Assignment 'f=fopen(notexist,t)', assigned value is 0\n"
"[test.cpp:6:8]: note: Calling function foo, 1st argument is null\n"
"[test.cpp:2:13]: note: Dereferencing argument f that is null\n", errout_str());

ctu("void g(std::optional<int>& o) {\n" // #14728
" *o = 1;\n"
"}\n"
"void f() {\n"
" std::optional<int> x = 0;\n"
" g(x);\n"
"}\n");
ASSERT_EQUALS("", errout_str());
}
};

Expand Down
Loading