File indexing completed on 2024-04-21 05:41:32

 /*
     SPDX-FileCopyrightText: 2021 Milian Wolff <mail@milianw.de>
 
     SPDX-License-Identifier: LGPL-2.1-or-later
 */
 
 #include <stdint.h>
 #include <stdlib.h>
 
 // see upstream "documentation" at:
 // https://github.com/llvm-mirror/compiler-rt/blob/master/include/sanitizer/lsan_interface.h#L76
 __attribute__((used)) const char* __lsan_default_suppressions()
 {
     return "leak:foobar\nleak:^leak*Supp$\n";
 }
 
 inline void escape(void* p)
 {
     asm volatile("" : : "g"(p) : "memory");
 }
 
 __attribute__((noinline)) void* foobar()
 {
     void* ptr = malloc(1);
     escape(ptr);
     return ptr;
 }
 
 __attribute__((noinline)) void* leak()
 {
     void* ptr = malloc(2);
     escape(ptr);
     return ptr;
 }
 
 __attribute__((noinline)) void* leakFoo()
 {
     void* ptr = malloc(3);
     escape(ptr);
     return ptr;
 }
 
 __attribute__((noinline)) void* leakFooSupp()
 {
     void* ptr = malloc(4);
     escape(ptr);
     return ptr;
 }
 
 int main()
 {
     foobar();
     leak();
     leakFoo();
     leakFooSupp();
     return 0;
 }