cmake/Tests/TestsWorkingDirectory/main.c

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#if defined(_WIN32) &&                                                        \
  (defined(_MSC_VER) || defined(__WATCOMC__) || defined(__BORLANDC__) ||      \
   defined(__MINGW32__) || defined(__ORANGEC__))

#  include <direct.h>
#  include <io.h>

#  if defined(__WATCOMC__)
#    include <direct.h>
#    define _getcwd getcwd
#  endif

static const char* Getcwd(char* buf, unsigned int len)
{
  const char* ret = _getcwd(buf, len);
  char* p = NULL;
  if (!ret) {
    fprintf(stderr, "No current working directory.\n");
    abort();
  }
  // make sure the drive letter is capital
  if (strlen(buf) > 1 && buf[1] == ':') {
    buf[0] = toupper(buf[0]);
  }
  for (p = buf; *p; ++p) {
    if (*p == '\\') {
      *p = '/';
    }
  }
  return ret;
}

#else
#  include <fcntl.h>
#  include <unistd.h>

#  include <sys/types.h>

static const char* Getcwd(char* buf, unsigned int len)
{
  const char* ret = getcwd(buf, len);
  if (!ret) {
    fprintf(stderr, "No current working directory\n");
    abort();
  }
  return ret;
}

#endif

int main(int argc, char* argv[])
{
  char buf[2048];
  const char* cwd = Getcwd(buf, sizeof(buf));

  return strcmp(cwd, argv[1]);
}