| 1 | // Test that unused globals are included in the root set. |
| 2 | // RUN: %clangxx_lsan -O2 %s -DTEST_LIB -c -o %t.o |
| 3 | // RUN: %clangxx_lsan -O2 %s %t.o -o %t |
| 4 | // RUN: %env_lsan_opts="use_stacks=0:use_registers=0:use_globals=1" %run %t 2>&1 | FileCheck %s --implicit-check-not=leak |
| 5 | // RUN: %env_lsan_opts="" %run %t 2>&1 | FileCheck %s --implicit-check-not=leak |
| 6 | |
| 7 | // FIXME: This check is not very important and fails on arm7. |
| 8 | // %env_lsan_opts="use_stacks=0:use_registers=0:use_globals=0" not %run %t 2>&1 | FileCheck %s --check-prefixes=LEAK |
| 9 | |
| 10 | #include <stdio.h> |
| 11 | #include <stdlib.h> |
| 12 | #include <string.h> |
| 13 | |
| 14 | #ifdef TEST_LIB |
| 15 | |
| 16 | void set(char *a) { |
| 17 | strcpy(a, "hello" ); |
| 18 | } |
| 19 | |
| 20 | #else |
| 21 | |
| 22 | static void *g; |
| 23 | |
| 24 | void set(char *a); |
| 25 | void foo(void *a) { |
| 26 | // Store from a different function to suppress global localization. |
| 27 | g = a; |
| 28 | } |
| 29 | |
| 30 | int main() { |
| 31 | char a[10]; |
| 32 | set(a); |
| 33 | char *b = strdup(s: a); |
| 34 | printf(format: "%p %s\n" , b, b); |
| 35 | g = b; |
| 36 | } |
| 37 | |
| 38 | #endif |
| 39 | |
| 40 | // LEAK: LeakSanitizer: detected memory leaks |
| 41 | |