test/clib/lseek.c

   1 #include <unistd.h>
   2 #include <sys/stat.h>
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include "test.h"
   6
   7 int fd;
   8
   9 int main()
  10 {
  11     struct stat buf;
  12     int size = 12345;
  13     fd = mkstemp("T:lseekXXXXXX");
  14
  15     TEST((lseek(fd, size, SEEK_SET) == size));
  16     TEST((fstat(fd, &buf) != -1));
  17     TEST((buf.st_size == size));
  18
  19     TEST((lseek(fd, 0, SEEK_SET) == 0));
  20     TEST((lseek(fd, 100, SEEK_CUR) == 100));
  21     TEST((lseek(fd, -100, SEEK_CUR) == 0));
  22
  23     TEST((lseek(fd, 0, SEEK_END) == size));
  24     TEST((lseek(fd, -size, SEEK_END) == 0));
  25
  26     close(fd);
  27     return OK;
  28 }
  29
  30 void cleanup()
  31 {
  32     close(fd);
  33 }