test/seektest.c

   1 #include <proto/dos.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4
   5 int main()
   6 {
   7     BPTR fh = BNULL;
   8     int maxsize = 524288;
   9     char * buffer = NULL;
  10     int filepos = 0;
  11     int writesize = 0;
  12
  13     buffer = malloc(maxsize);
  14
  15     printf("Enter writesize (< 524288)\n");
  16     scanf("%d", &writesize);
  17
  18     fh = Open("seek_test_file", MODE_NEWFILE);
  19     FWrite(fh, (STRPTR)buffer, writesize, 1);
  20     Flush(fh);
  21     printf("File pos: %d\n", (int)Seek(fh, 0, OFFSET_CURRENT));
  22     filepos = Seek(fh, writesize, OFFSET_BEGINNING);
  23
  24     if (filepos == -1)
  25         printf("ERROR for size: %d, IoErr: %d\n", (int)writesize, (int)IoErr());
  26     else
  27         printf("OK\n");
  28
  29     free(buffer);
  30
  31     Close(fh);
  32     return 0;
  33 }
  34