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File: [cvs.NetBSD.org] / src / lib / libc / gen / dirent_private.h (download)

Revision 1.2, Sun May 4 18:53:26 2008 UTC (15 years, 11 months ago) by tonnerre
Branch: MAIN
CVS Tags: yamt-pf42-base4, yamt-pf42-base3, yamt-pf42-base2, wrstuden-revivesa-base-3, wrstuden-revivesa-base-2, wrstuden-revivesa-base-1, wrstuden-revivesa-base, wrstuden-revivesa, netbsd-5-base, netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-3-RELEASE, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2, netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, netbsd-5-1-5-RELEASE, netbsd-5-1-4-RELEASE, netbsd-5-1-3-RELEASE, netbsd-5-1-2-RELEASE, netbsd-5-1-1-RELEASE, netbsd-5-1, netbsd-5-0-RELEASE, netbsd-5-0-RC4, netbsd-5-0-RC3, netbsd-5-0-RC2, netbsd-5-0-RC1, netbsd-5-0-2-RELEASE, netbsd-5-0-1-RELEASE, netbsd-5-0, netbsd-5, matt-premerge-20091211, matt-nb5-pq3-base, matt-nb5-pq3, matt-nb5-mips64-u2-k2-k4-k7-k8-k9, matt-nb5-mips64-u1-k1-k5, matt-nb5-mips64-premerge-20101231, matt-nb5-mips64-premerge-20091211, matt-nb5-mips64-k15, matt-nb5-mips64, matt-nb4-mips64-k7-u2a-k9b, matt-mips64-base2, jym-xensuspend-nbase, jym-xensuspend-base, jym-xensuspend, hpcarm-cleanup-nbase, christos-time_t-nbase, christos-time_t-base
Branch point for: christos-time_t
Changes since 1.1: +3 -3 lines 

Fix a bug in the implementation of seekdir(). If the first entry in
a block has been unlinked, seekdir() may overshoot by one entry.
Thus, _readdir_unlinked() must not skip deleted entries when being
called from seekdir().
Christos agreed.

/*	$NetBSD: dirent_private.h,v 1.2 2008/05/04 18:53:26 tonnerre Exp $	*/

/*
 * One struct _dirpos is malloced to describe the current directory
 * position each time telldir is called. It records the current magic 
 * cookie returned by getdirentries and the offset within the buffer
 * associated with that return value.
 */
struct dirpos {
	struct dirpos *dp_next;	/* next structure in list */
	off_t	dp_seek;	/* magic cookie returned by getdirentries */
	long	dp_loc;		/* offset of entry in buffer */
};

struct _dirdesc;
void _seekdir_unlocked(struct _dirdesc *, long);
long _telldir_unlocked(struct _dirdesc *);
#ifndef __LIBC12_SOURCE__
struct dirent;
struct dirent *_readdir_unlocked(struct _dirdesc *, int)
    __RENAME(___readdir_unlocked50);
#endif