129 lines
3.2 KiB
C++
129 lines
3.2 KiB
C++
// RUN: %clang_cc1 -analyze -analyzer-checker=cplusplus.NewDelete,core,alpha.core.CallAndMessageUnInitRefArg -analyzer-output=text -verify %s
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// Passing uninitialized const data to unknown function
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#include "Inputs/system-header-simulator-cxx.h"
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void doStuff6(const int& c);
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void doStuff4(const int y);
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void doStuff3(int& g);
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void doStuff_uninit(const int *u);
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int f10(void) {
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int *ptr;
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ptr = new int; //
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if(*ptr) {
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doStuff4(*ptr);
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}
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delete ptr;
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return 0;
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}
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int f9(void) {
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int *ptr;
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ptr = new int; //
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doStuff_uninit(ptr); // no warning
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delete ptr;
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return 0;
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}
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int f8(void) {
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int *ptr;
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ptr = new int;
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*ptr = 25;
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doStuff_uninit(ptr); // no warning?
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delete ptr;
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return 0;
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}
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void f7(void) {
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int m = 3;
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doStuff6(m); // no warning
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}
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int& f6_1_sub(int &p) {
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return p;
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}
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void f6_1(void) {
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int t;
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int p = f6_1_sub(t); //expected-warning {{Assigned value is garbage or undefined}}
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//expected-note@-1 {{Calling 'f6_1_sub'}}
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//expected-note@-2 {{Returning from 'f6_1_sub'}}
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//expected-note@-3 {{Assigned value is garbage or undefined}}
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int q = p;
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doStuff6(q);
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}
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void f6_2(void) {
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int t; //expected-note {{'t' declared without an initial value}}
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int &p = t;
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int &s = p;
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int &q = s; //expected-note {{'q' initialized here}}
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doStuff6(q); //expected-warning {{Function call argument is an uninitialized value}}
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//expected-note@-1 {{Function call argument is an uninitialized value}}
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}
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void doStuff6_3(int& q_, int *ptr_) {}
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void f6_3(void) {
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int *ptr; //expected-note {{'ptr' declared without an initial value}}
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int t;
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int &p = t;
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int &s = p;
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int &q = s;
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doStuff6_3(q,ptr); //expected-warning {{Function call argument is an uninitialized value}}
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//expected-note@-1 {{Function call argument is an uninitialized value}}
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}
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void f6(void) {
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int k; // expected-note {{'k' declared without an initial value}}
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doStuff6(k); // expected-warning {{Function call argument is an uninitialized value}}
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// expected-note@-1 {{Function call argument is an uninitialized value}}
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}
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void f5(void) {
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int t;
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int* tp = &t; // expected-note {{'tp' initialized here}}
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doStuff_uninit(tp); // expected-warning {{Function call argument is a pointer to uninitialized value}}
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// expected-note@-1 {{Function call argument is a pointer to uninitialized value}}
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}
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void f4(void) {
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int y; // expected-note {{'y' declared without an initial value}}
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doStuff4(y); // expected-warning {{Function call argument is an uninitialized value}}
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// expected-note@-1 {{Function call argument is an uninitialized value}}
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}
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void f3(void) {
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int g;
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doStuff3(g); // no warning
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}
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int z;
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void f2(void) {
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doStuff_uninit(&z); // no warning
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}
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void f1(void) {
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int x_=5;
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doStuff_uninit(&x_); // no warning
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}
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void f_uninit(void) {
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int x;
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doStuff_uninit(&x); // expected-warning {{Function call argument is a pointer to uninitialized value}}
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// expected-note@-1 {{Function call argument is a pointer to uninitialized value}}
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}
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