1// Print matched suppressions only if print_suppressions=1 AND at least one is
2// matched. Default is print_suppressions=true.
3// RUN: LSAN_BASE="use_registers=0:use_stacks=0"
4// RUN: %clangxx_lsan %s -o %t
5// RUN: LSAN_OPTIONS=$LSAN_BASE:print_suppressions=0 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-dont-print
6// RUN: LSAN_OPTIONS=$LSAN_BASE %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-dont-print
7// RUN: LSAN_OPTIONS=$LSAN_BASE:print_suppressions=0 %run %t foo 2>&1 | FileCheck %s --check-prefix=CHECK-dont-print
8// RUN: LSAN_OPTIONS=$LSAN_BASE %run %t foo 2>&1 | FileCheck %s --check-prefix=CHECK-print
9
10#include <stdio.h>
11#include <stdlib.h>
12
13#include "sanitizer/lsan_interface.h"
14
15extern "C"
16const char *__lsan_default_suppressions() {
17  return "leak:*LSanTestLeakingFunc*";
18}
19
20void LSanTestLeakingFunc() {
21  void *p = malloc(666);
22  fprintf(stderr, "Test alloc: %p.\n", p);
23}
24
25int main(int argc, char **argv) {
26  printf("print for nonempty output\n");
27  if (argc > 1)
28    LSanTestLeakingFunc();
29  return 0;
30}
31// CHECK-print: Suppressions used:
32// CHECK-print: 1 666 *LSanTestLeakingFunc*
33// CHECK-dont-print-NOT: Suppressions used:
34