test/dos/examinelock.c

   1 #include <dos/dos.h>
   2 #include <proto/dos.h>
   3 #include <stdio.h>
   4
   5 int main(int argc, char **argv)
   6 {
   7     BPTR fh;
   8
   9     if (argc < 2)
  10     {
  11         printf("Usage: %s <file name>\n", argv[0]);
  12         return 1;
  13     }
  14
  15     fh = Lock(argv[1], SHARED_LOCK);
  16
  17     if (fh != BNULL)
  18     {
  19         struct FileInfoBlock *fib = AllocDosObject(DOS_FIB, NULL);
  20
  21         if (fib != NULL)
  22         {
  23             if (Examine(fh, fib))
  24             {
  25                 printf("Got FIB:\n");
  26                 printf("Filename   = %s\n"    , fib->fib_FileName);
  27                 printf("Protection = 0x%08X\n", (unsigned)fib->fib_Protection);
  28             }
  29             else
  30             {
  31                 printf("Examine() failed, ioerr = %d\n", (int)IoErr());
  32             }
  33             FreeDosObject(DOS_FIB, fib);
  34         }
  35         else
  36         {
  37             printf("couldn't allocate fileinfoblock\n");
  38         }
  39
  40         UnLock(fh);
  41     }
  42     else
  43     {
  44         printf("couldn't lock file\n");
  45     }
  46
  47     return 0;
  48 }