25 lines
471 B
C
25 lines
471 B
C
#include <mlvalues.h>
|
|
#include "unix.h"
|
|
|
|
#ifdef HAS_UNISTD
|
|
#include <unistd.h>
|
|
#else
|
|
#define SEEK_SET 0
|
|
#define SEEK_CUR 1
|
|
#define SEEK_END 2
|
|
#endif
|
|
|
|
static int seek_command_table[] = {
|
|
SEEK_SET, SEEK_CUR, SEEK_END
|
|
};
|
|
|
|
value unix_lseek(fd, ofs, cmd) /* ML */
|
|
value fd, ofs, cmd;
|
|
{
|
|
long ret;
|
|
ret = lseek(Int_val(fd), Long_val(ofs),
|
|
seek_command_table[Int_val(cmd)]);
|
|
if (ret == -1) uerror("lseek", Nothing);
|
|
return Val_long(ret);
|
|
}
|