glibc/misc/mntent.h
1996-11-15 04:08:00 +00:00

105 lines
3.8 KiB
C

/* <mntent.h> -- Utilities for reading/writing fstab, mtab, etc.
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _MNTENT_H
#define _MNTENT_H 1
#include <features.h>
#define __need_FILE
#include <stdio.h>
#include <paths.h>
/* File listing canonical interesting mount points. */
#define MNTTAB _PATH_MNTTAB /* Deprecated alias. */
/* File listing currently active mount points. */
#define MOUNTED _PATH_MOUNTED /* Deprecated alias. */
/* General filesystem types. */
#define MNTTYPE_IGNORE "ignore" /* Ignore this entry. */
#define MNTTYPE_NFS "nfs" /* Network file system. */
#define MNTTYPE_SWAP "swap" /* Swap device. */
/* Generic mount options. */
#define MNTOPT_DEFAULTS "defaults" /* Use all default options. */
#define MNTOPT_RO "ro" /* Read only. */
#define MNTOPT_RW "rw" /* Read/write. */
#define MNTOPT_SUID "suid" /* Set uid allowed. */
#define MNTOPT_NOSUID "nosuid" /* No set uid allowed. */
#define MNTOPT_NOAUTO "noauto" /* Do not auto mount. */
__BEGIN_DECLS
/* Structure describing a mount table entry. */
struct mntent
{
char *mnt_fsname; /* Device or server for filesystem. */
char *mnt_dir; /* Directory mounted on. */
char *mnt_type; /* Type of filesystem: ufs, nfs, etc. */
char *mnt_opts; /* Comma-separated options for fs. */
int mnt_freq; /* Dump frequency (in days). */
int mnt_passno; /* Pass number for `fsck'. */
};
/* Prepare to begin reading and/or writing mount table entries from the
beginning of FILE. MODE is as for `fopen'. */
extern FILE *__setmntent __P ((__const char *__file, __const char *__mode));
extern FILE *setmntent __P ((__const char *__file, __const char *__mode));
/* Read one mount table entry from STREAM. Returns a pointer to storage
reused on the next call, or null for EOF or error (use feof/ferror to
check). */
extern struct mntent *getmntent __P ((FILE *__stream));
#ifdef __USE_REENTRANT
/* Reentrant version of the above function. */
extern struct mntent *__getmntent_r __P ((FILE *__stream,
struct mntent *__result,
char *__buffer, int __bufsize));
extern struct mntent *getmntent_r __P ((FILE *__stream,
struct mntent *__result,
char *__buffer, int __bufsize));
#endif
/* Write the mount table entry described by MNT to STREAM.
Return zero on success, nonzero on failure. */
extern int __addmntent __P ((FILE *__stream, __const struct mntent *__mnt));
extern int addmntent __P ((FILE *__stream, __const struct mntent *__mnt));
/* Close a stream opened with `setmntent'. */
extern int __endmntent __P ((FILE *__stream));
extern int endmntent __P ((FILE *__stream));
/* Search MNT->mnt_opts for an option matching OPT.
Returns the address of the substring, or null if none found. */
extern char *__hasmntopt __P ((__const struct mntent *__mnt,
__const char *__opt));
extern char *hasmntopt __P ((__const struct mntent *__mnt,
__const char *__opt));
__END_DECLS
#endif /* mntent.h */