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Fix FP memleak with array (#4133) 

* Fix #11019 FN memleak with redundant pointer op

* Style

* Fix #7705 FN: Memory leak not detected on struct member

* Fix FP memleak with function call, fix cppcheckError

* Fix FP memleak with array
This commit is contained in:
chrchr-github 2022-05-26 00:03:30 +02:00 committed by GitHub
parent 2b611709e2
commit 86763b7b0a
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2 changed files with 9 additions and 1 deletions
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2
lib/checkmemoryleak.cpp
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@ -795,7 +795,7 @@ void CheckMemoryLeakStructMember::checkStructVariable(const Variable * const var
return {};
const Token* top = varTok;
while (top->astParent()) {
if (top->astParent()->str() == "(")
if (Token::Match(top->astParent(), "(|["))
return {};
top = top->astParent();
}

8
test/testmemleak.cpp
View File

@ -1922,6 +1922,14 @@ private:
" sess->fp = popen(cmd, rcmd == RSH_PIPE_READ ? \"r\" : \"w\");\n"
"}\n", false);
ASSERT_EQUALS("", errout.str());
check("struct S { char* a[2]; };\n"
"enum E { E0, E1 };\n"
"void f(struct S* s, enum E e, const char* n) {\n"
" free(s->a[e]);\n"
" s->a[e] = strdup(n);\n"
"}\n", false);
ASSERT_EQUALS("", errout.str());
}
void failedAllocation() {