File: tsearch.cc

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (39 lines) | stat: -rw-r--r-- 663 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t

// tdestroy is a GNU extension
// UNSUPPORTED: netbsd

#include <assert.h>
#include <search.h>
#include <stdlib.h>

int compare(const void *pa, const void *pb) {
  int a = *(const int *)pa;
  int b = *(const int *)pb;
  if (a < b)
    return -1;
  else if (a > b)
    return 1;
  else
    return 0;
}

void myfreenode(void *p) {
  delete (int *)p;
}

int main(void) {
  void *root = NULL;
  for (int i = 0; i < 5; ++i) {
    int *p = new int(i);
    void *q = tsearch(p, &root, compare);
    if (q == NULL)
      exit(1);
    if (*(int **)q != p)
      delete p;
  }

  tdestroy(root, myfreenode);

  return 0;
}