memcheck/tests/linux/dlclose_leak_so.c

   1 /* dlclose_leak_so.c */
   2
   3 #include <stdlib.h>
   4
   5 /** Makes a jump based on an uninitialized variable in order to make sure
   6  * errors reported while the dlopen'ed object is loaded work. */
   7 int jmp_on_uninit(void) {
   8     int uninit[27];
   9     __asm__ __volatile("":::"cc","memory");
  10     if(uninit[13]) {
  11         return 1;
  12     } else {
  13         return 0;
  14     }
  15 }
  16
  17 /** Leak 1 byte of memory. This is to test the stack check reported after the
  18  *  object has been dlclose'd. */
  19 char* alloc_1_byte(void) {
  20     return (char*)malloc(1);
  21 }