Fix #11290 FP uninitdata with array member (#8464)

Author: chrchr-github

lib/checkuninitvar.cpp

@@ -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)

test/testuninitvar.cpp

@@ -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..