compiler-rt/test/msan/tsearch.cpp

   1 // RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
   2
   3 // tdestroy is a GNU extension
   4 // UNSUPPORTED: target={{.*(netbsd|freebsd).*}}
   5
   6 #include <assert.h>
   7 #include <search.h>
   8 #include <stdlib.h>
   9
  10 int compare(const void *pa, const void *pb) {
  11   int a = *(const int *)pa;
  12   int b = *(const int *)pb;
  13   if (a < b)
  14     return -1;
  15   else if (a > b)
  16     return 1;
  17   else
  18     return 0;
  19 }
  20
  21 void myfreenode(void *p) {
  22   delete (int *)p;
  23 }
  24
  25 int main(void) {
  26   void *root = NULL;
  27   for (int i = 0; i < 5; ++i) {
  28     int *p = new int(i);
  29     void *q = tsearch(p, &root, compare);
  30     if (q == NULL)
  31       exit(1);
  32     if (*(int **)q != p)
  33       delete p;
  34   }
  35
  36   tdestroy(root, myfreenode);
  37
  38   return 0;
  39 }