xref: /titanic_51/usr/src/lib/libast/common/features/fs (revision 3e14f97f673e8a630f076077de35afdd43dc1587)

set	prototyped
lib	_fxstat,__fxstat,_lxstat,__lxstat,_xmknod,__xmknod,_xstat,__xstat,lstat,mknod,sync sys/types.h sys/stat.h
lib	_fxstat64,__fxstat64,_lxstat64,__lxstat64,_xstat64,__xstat64 -D_LARGEFILE64_SOURCE sys/types.h sys/stat.h
mac	fstat,lstat,stat,mknod sys/types.h sys/stat.h

lcl	xstat -D_LARGEFILE64_SOURCE link{
	#include <sys/types.h>
	#include <sys/stat.h>
	struct stat64 { int xxx; }; /* disable if stat64 available */
	#if _STD_
	extern int stat(const char* path, struct stat* st)
	#else
	int stat(path, st)
	char*		path;
	struct stat*	st;
	#endif
	{
	#if _lib___xstat
		return __xstat(_STAT_VER, path, st);
	#else
		return _xstat(_STAT_VER, path, st);
	#endif
	}
	int
	main()
	{
		struct stat	st;
		return stat(".",&st) < 0;
	}
}end

lcl	xstat64 -D_LARGEFILE64_SOURCE link{
	#include <sys/types.h>
	#include <sys/stat.h>
	#if _STD_
	extern int stat64(const char* path, struct stat64* st)
	#else
	int stat64(path, st)
	char*		path;
	#endif
	{
	#if _lib___xstat64
		return __xstat64(_STAT_VER, path, st);
	#else
		return _xstat64(_STAT_VER, path, st);
	#endif
	}
	int
	main()
	{
		struct stat64	st;
		return stat64(".",&st) < 0;
	}
}end

header	sys/stat.h
header	sys/mkdev.h

extern	chmod		int	(const char*, mode_t)
extern	fstat		int	(int, struct stat*)
extern	lstat		int	(const char*, struct stat*)
extern	mkdir		int	(const char*, mode_t)
extern	mkfifo		int	(const char*, mode_t)
extern	mknod		int	(const char*, mode_t, dev_t)
extern	stat		int	(const char*, struct stat*)
extern	mkfifo		mode_t	(mode_t)

define	FS_default	"ufs"

macro{
	#include <sys/types.h>
	#include <sys/stat.h>
	#ifndef major
	#include <sys/param.h>
	#ifndef major
	#include <sys/sysmacros.h>
	#endif
	<<"#if defined(__STDPP__directive) && defined(__STDPP__initial)">>
	<<"__STDPP__directive pragma pp:initial">>
	<<"#endif">>
	<<"#ifndef major">>
	#ifdef major
	<<"#define major(x)">> major((x))
	#else
	#ifndef L_BITSMAJOR
	#define L_BITSMAJOR 8
	#endif
	#ifndef L_BITSMINOR
	#define L_BITSMINOR 8
	#endif
	#ifndef L_MAXMAJ
	#define L_MAXMAJ ((1<<L_BITSMAJOR)-1)
	#endif
	#ifndef L_MAXMIN
	#define L_MAXMIN ((1<<L_BITSMINOR)-1)
	#endif
	<<"#define major(x)">> ((int)(((unsigned)(x)>>L_BITSMINOR)&L_MAXMAJ))
	#endif
	<<"#endif">>
	<<"#ifndef minor">>
	#ifdef minor
	<<"#define minor(x)">> minor((x))
	#else
	<<"#define minor(x)">> ((int)((x)&L_MAXMIN))
	#endif
	<<"#endif">>
	<<"#ifndef makedev">>
	#ifdef makedev
	<<"#define makedev(x,y)">> makedev((x),(y))
	#else
	<<"#define makedev(x,y)">> ((dev_t)((((x)&0377)<<8)|((y)&0377)))
	#endif
	<<"#endif">>
	#endif
	<<"#if defined(__STDPP__directive) && defined(__STDPP__initial)">>
	<<"__STDPP__directive pragma pp:noinitial">>
	<<"#endif">>
}end fail{
	cat <<!
	#ifndef major
	#define major(x)	((int)(((unsigned)(x)>>8)&0377))
	#endif
	#ifndef minor
	#define minor(x)	((int)((x)&0377))
	#endif
	#ifndef makedev
	#define makedev(x,y)	((dev_t)((((x)&0377)<<8)|((y)&0377)))
	#endif
	!
}end

hdr	mntent,mnttab stdio.h
sys	mntent,mnttab stdio.h
sys	fs_types,mount,statfs,statvfs,vfs,vmount

mem	mnttab.mt_dev,mnttab.mt_filsys,mnttab.mt_fstyp sys/types.h mnttab.h
mem	mntent.mnt_opts,w_mntent.mnt_opts,mnttab.mnt_opts sys/types.h stdio.h mntent.h sys/mntent.h
mem	mntent.mnt_opts,mnttab.mnt_opts stdio.h sys/types.h mnttab.h sys/mnttab.h
mem	stat.st_blocks,stat.st_blksize,stat.st_rdev sys/types.h sys/stat.h
mem	statfs.f_files,statfs.f_bavail sys/types.h - sys/statfs.h - sys/vfs.h - sys/param.h sys/mount.h
mem	statvfs.f_basetype,statvfs.f_frsize sys/types.h sys/statvfs.h

ary	f_reserved7 sys/types.h sys/statvfs.h note{ statvfs.f_reserved7 can double for statvfs.f_basetype }end compile{
	int f(vp)struct statvfs* vp;{return vp->f_reserved7[0] = 1;}
}end

lib	getmntent,getmntinfo,mntctl,mntopen,mntread,mntclose,setmntent
lib	w_getmntent
lib	statfs,statvfs

lib	statfs4 sys/types.h - sys/statfs.h - sys/vfs.h - sys/mount.h compile{
	int f()
	{
		struct statfs fs;
		return statfs("/",&fs,sizeof(fs),0);
	}
}end

lib	getmntinfo_statvfs note{ getmntinfo uses statvfs -- since when? }end compile{
	#include <sys/types.h>
	#include <sys/mount.h>
	int
	gmi(struct statvfs* fs)
	{
		fs->f_flag = 0;
		return getmntinfo(fs, 0);
	}
}end

cat{
	#if _sys_statvfs
	#include <sys/statvfs.h>
	#if !_mem_statvfs_f_basetype
	#if _ary_f_reserved7
	#define f_basetype	f_reserved7
	#endif
	#endif
	#else
	#define _mem_f_basetype_statvfs	1
	#define _mem_f_frsize_statvfs	1
	struct statvfs
	{
	unsigned long	f_bsize;	/* fundamental file system block size */
	unsigned long	f_frsize;	/* fragment size */
	unsigned long	f_blocks;	/* total # of blocks of f_frsize on fs */
	unsigned long	f_bfree;	/* total # of free blocks of f_frsize */
	unsigned long	f_bavail;	/* # of free blocks avail to non-superuser */
	unsigned long	f_files;	/* total # of file nodes (inodes) */
	unsigned long	f_ffree;	/* total # of free file nodes */
	unsigned long	f_favail;	/* # of free nodes avail to non-superuser */
	unsigned long	f_fsid;		/* file system id (dev for now) */
	char		f_basetype[16]; /* target fs type name, null-terminated */
	unsigned long	f_flag;		/* bit-mask of flags */
	unsigned long	f_namemax;	/* maximum file name length */
	char		f_fstr[32];	/* filesystem-specific string */
	unsigned long	f_filler[16];	/* reserved for future expansion */
	};
	extern int	fstatvfs(int, struct statvfs*);
	extern int	statvfs(const char*, struct statvfs*);
	#endif
	#if _typ_off64_t
	#undef	off_t
	#define off_t	off64_t
	#endif
	#if _lib_statvfs64 && !defined(statvfs)
	#define statvfs		statvfs64
	#if !defined(__USE_LARGEFILE64)
	extern int		statvfs64(const char*, struct statvfs64*);
	#endif
	#endif
	#if _lib_fstatvfs64 && !defined(fstatvfs)
	#define fstatvfs	fstatvfs64
	#if !defined(__USE_LARGEFILE64)
	extern int		fstatvfs64(int, struct statvfs64*);
	#endif
	#endif
}end

str	st_fstype sys/types.h sys/stat.h note{ stat.st_fstype is a string }end compile{
	int f(st)struct stat* st;{return st->st_fstype[0];}
}end

int	st_fstype sys/types.h sys/stat.h note{ stat.st_fstype is an int }end compile{
	int f(st)struct stat* st;{return st->st_fstype = 1;}
}end

int	st_spare1 sys/types.h sys/stat.h note{ stat.st_spare1 is an int }end compile{
	int f(st)struct stat* st;{return st->st_spare1 = 1;}
}end

ary	st_spare4 sys/types.h sys/stat.h note{ stat.st_spare4 is an array }end compile{
	int f(st)struct stat* st;{return st->st_spare4[0] = 1;}
}end

ary	st_pad4 sys/types.h sys/stat.h note{ stat.st_pad4 is an array }end compile{
	int f(st)struct stat* st;{return st->st_pad4[0] = 1;}
}end