🚀 go-pugleaf

Look at the Windows API function GetFullPathName

For instance, these lines are cut from working code.  The call to
GetFullPathName causes the possibly relative path to be expanded so that it
can be compared to the path to the system directory.  While the source file
is C++, I think these parts are the same for C langauge.

  -----------------
  #include <windows.h>
          :
  const char *not_sys_dir = "Error: \"%s\" is a system directory\n";
  const char *usage = (a string telling saying how to use the prog)
          :
  char  env_buf[MAX_PATH];
  char  full_buf[MAX_PATH];
  char *namep;

  GetFullPathName(dir_name, sizeof(full_buf), full_buf, &namep);
  GetEnvironmentVariable("SystemRoot", env_buf, sizeof(env_buf));

  if (!strnicmp(env_buf, full_buf, lstrlen(env_buf)))
    {
    ErrorMsgFormatted(not_sys_dir, full_buf, usage);
    /* ErrorMsgFormatted is a function provided by the program */
    return 1;
    }
  -----------------

.  Ed

> Luiz Rafael Culik Guimaraes wrote in message
> news:3e7c4c63@newsgroups.borland.com...
>
> > You would first have to resolve the relative path
> > into a full path, and then
> > you can use the VCL's ExtractFileDrive() function.
>
> In C please,  I don�t use VCL