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Fix #11290 FP uninitdata with array member #8464

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Fix #11290 FP uninitdata with array member #8464

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81b5c63
Update checkuninitvar.cpp
chrchr-github Apr 20, 2026
8df3ff3
Update testuninitvar.cpp
chrchr-github Apr 20, 2026
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2 changes: 2 additions & 0 deletions lib/checkuninitvar.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1422,6 +1422,8 @@ int CheckUninitVar::isFunctionParUsage(const Token *vartok, const Library& libra
const bool isnullbad = library.isnullargbad(start->previous(), argumentNumber + 1);
if (indirect == 0 && pointer && !address && isnullbad && alloc == NO_ALLOC)
return 1;
if (vartok->varId() == 0 && vartok->valueType())
indirect = vartok->valueType()->pointer;
bool hasIndirect = false;
const bool isuninitbad = library.isuninitargbad(start->previous(), argumentNumber + 1, indirect, &hasIndirect);
if (alloc != NO_ALLOC)
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8 changes: 8 additions & 0 deletions test/testuninitvar.cpp
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Expand Up @@ -2173,6 +2173,14 @@ class TestUninitVar : public TestFixture {
" return p;\n"
"}\n");
ASSERT_EQUALS("", errout_str());

checkUninitVar("struct S { char c[10]; };\n" // #11290
"S* f() {\n"
" S* s = (S*)malloc(sizeof(S));\n"
" sprintf(s->c, \"abc\");\n"
" return s;\n"
"}\n");
ASSERT_EQUALS("", errout_str());
}

// class / struct..
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