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Fixed #1138 (improve check: dereferencing uninitialized pointer)

This commit is contained in:
Daniel Marjamäki 2009-12-27 17:20:34 +01:00
parent c3886a5803
commit 738987a686
2 changed files with 13 additions and 0 deletions
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6
lib/checkother.cpp
View File

@ -1673,6 +1673,12 @@ private:
ExecutionPath::bailOutVar(checks, tok.varId()); ExecutionPath::bailOutVar(checks, tok.varId());
return &tok; return &tok;
} }
if (Token::Match(tok.tokAt(-2), "[,(=] *"))
{
use(foundError, checks, &tok);
return &tok;
}
} }
return &tok; return &tok;
} }

7
test/testother.cpp
View File

@ -991,6 +991,13 @@ private:
"}\n"); "}\n");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str()); ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: p\n", errout.str());
checkUninitVar("static void foo()\n"
"{\n"
" int *x;\n"
" int y = *x;\n"
"}\n");
ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: x\n", errout.str());
checkUninitVar("static int foo()\n" checkUninitVar("static int foo()\n"
"{\n" "{\n"
" int ret;\n" " int ret;\n"