lib/crtdll/direct/chdrive.c

   1 #include <crtdll/direct.h>
   2 #include <crtdll/stdlib.h>
   3 #include <crtdll/ctype.h>
   4 #include <windows.h>
   5
   6 int cur_drive = 0;
   7
   8
   9
  10 int _chdrive( int drive )
  11 {
  12         char d[3];
  13         if (!( drive >= 1 && drive <= 26 ))
  14                 return -1;
  15
  16         if ( cur_drive != drive ) {
  17                 cur_drive = drive;
  18                 d[0] = toupper(cur_drive + '@');
  19                 d[1] = ':';
  20                 d[2] = 0;
  21                 SetCurrentDirectoryA(d);
  22         }
  23
  24
  25         return 0;
  26 }