FreeRDP
TestEnvironmentGetEnvironmentStrings.c
1 
2 #include <stdio.h>
3 #include <winpr/crt.h>
4 #include <winpr/tchar.h>
5 #include <winpr/environment.h>
6 
7 int TestEnvironmentGetEnvironmentStrings(int argc, char* argv[])
8 {
9  int r = -1;
10 
11  WINPR_UNUSED(argc);
12  WINPR_UNUSED(argv);
13 
14  LPTCH lpszEnvironmentBlock = GetEnvironmentStrings();
15  if (!lpszEnvironmentBlock)
16  goto fail;
17 
18  TCHAR* p = lpszEnvironmentBlock;
19  while (p[0] && p[1])
20  {
21  const size_t max = _tcslen(p);
22  const int rc = _sntprintf(NULL, 0, _T("%s\n"), p);
23  if (rc < 1)
24  {
25  _tprintf(_T("test failed: return %d\n"), rc);
26  goto fail;
27  }
28  if (max != (size_t)(rc - 1))
29  {
30  _tprintf(_T("test failed: length %") _T(PRIuz) _T(" != %d [%s]\n"), max, rc - 1, p);
31  goto fail;
32  }
33  p += (max + 1);
34  }
35 
36  r = 0;
37 fail:
38  FreeEnvironmentStrings(lpszEnvironmentBlock);
39 
40  return r;
41 }