Mercurial > hg > cdb

view seek.h @ 12:0e21568dec72

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
allocate a Cdb struct rather than using a single static one, note that cdb_free does _not_ call alloc_free, just releases the map, in fact alloc_free is not called anywhere!
author Henry S. Thompson <ht@inf.ed.ac.uk>
date Mon, 03 Feb 2025 17:31:23 +0000
parents 3bfef1f22a97
children
line wrap: on
line source

#ifndef SEEK_H
#define SEEK_H
#include <sys/types.h>
#include <unistd.h>
#include "uint32.h"

typedef uint32 seek_pos;

extern seek_pos seek_cur(int);

extern int seek_set(int,seek_pos);
extern int seek_end(int);

extern int seek_trunc(int,seek_pos);

#define seek_begin(fd) (seek_set((fd),(seek_pos) 0))

#endif