clang/test/Analysis/void-call-exit-modelling.c

   1 // RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc -analyzer-output text -verify %s
   2
   3 typedef __typeof(sizeof(int)) size_t;
   4 void *malloc(size_t size);
   5
   6 void inf_loop_break_callee() {
   7   void* data = malloc(10); // expected-note{{Memory is allocated}}
   8   while (1) { // expected-note{{Loop condition is true}}
   9     (void)data;
  10     break; // No note that we jump to the line above from this break
  11   } // expected-note@-1{{Execution jumps to the end of the function}}
  12 } // expected-warning{{Potential leak of memory pointed to by 'data'}}
  13 // expected-note@-1  {{Potential leak of memory pointed to by 'data'}}
  14
  15 void inf_loop_break_caller() {
  16   inf_loop_break_callee(); // expected-note{{Calling 'inf_loop_break_callee'}}
  17 }
  18
  19 void inf_loop_break_top() {
  20   void* data = malloc(10); // expected-note{{Memory is allocated}}
  21   while (1) { // expected-note{{Loop condition is true}}
  22     (void)data;
  23     break; // No note that we jump to the line above from this break
  24   } // expected-note@-1{{Execution jumps to the end of the function}}
  25 } // expected-warning{{Potential leak of memory pointed to by 'data'}}
  26 // expected-note@-1  {{Potential leak of memory pointed to by 'data'}}