lib/msvcrt/direct/chdrive.c

   1 #include <windows.h>
   2 #include <msvcrt/ctype.h>
   3 #include <msvcrt/direct.h>
   4 #include <msvcrt/stdlib.h>
   5
   6
   7 int cur_drive = 0;
   8
   9
  10 /*
  11  * @implemented
  12  */
  13 int _chdrive(int drive)
  14 {
  15     char d[3];
  16
  17     if (!( drive >= 1 && drive <= 26))
  18         return -1;
  19     if (cur_drive != drive) {
  20         cur_drive = drive;
  21         d[0] = toupper(cur_drive + '@');
  22         d[1] = ':';
  23         d[2] = 0;
  24         SetCurrentDirectoryA(d);
  25     }
  26     return 0;
  27 }