Initial revision

1 files changed, 275 insertions, 0 deletions

diff --git a/src/system.h b/src/system.h
new file mode 100644
index 000000000..5e7636018
--- /dev/null
+++ b/src/system.h
@@ -0,0 +1,275 @@
+/* system-dependent definitions for fileutils programs.
+   Copyright (C) 1989, 1990, 1991 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* Include sys/types.h before this file.  */
+
+#include <sys/stat.h>
+
+#ifdef	STAT_MACROS_BROKEN
+#ifdef S_ISBLK
+#undef S_ISBLK
+#endif
+#ifdef S_ISCHR
+#undef S_ISCHR
+#endif
+#ifdef S_ISDIR
+#undef S_ISDIR
+#endif
+#ifdef S_ISFIFO
+#undef S_ISFIFO
+#endif
+#ifdef S_ISLNK
+#undef S_ISLNK
+#endif
+#ifdef S_ISMPB
+#undef S_ISMPB
+#endif
+#ifdef S_ISMPC
+#undef S_ISMPC
+#endif
+#ifdef S_ISNWK
+#undef S_ISNWK
+#endif
+#ifdef S_ISREG
+#undef S_ISREG
+#endif
+#ifdef S_ISSOCK
+#undef S_ISSOCK
+#endif
+#endif	/* STAT_MACROS_BROKEN.  */
+
+#ifndef S_ISREG			/* Doesn't have POSIX.1 stat stuff. */
+#define mode_t unsigned short
+#endif
+#if !defined(S_ISBLK) && defined(S_IFBLK)
+#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
+#endif
+#if !defined(S_ISCHR) && defined(S_IFCHR)
+#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
+#endif
+#if !defined(S_ISDIR) && defined(S_IFDIR)
+#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+#endif
+#if !defined(S_ISREG) && defined(S_IFREG)
+#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
+#endif
+#if !defined(S_ISFIFO) && defined(S_IFIFO)
+#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
+#endif
+#if !defined(S_ISLNK) && defined(S_IFLNK)
+#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
+#endif
+#if !defined(S_ISSOCK) && defined(S_IFSOCK)
+#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
+#endif
+#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
+#define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
+#define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
+#endif
+#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
+#define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
+#endif
+#if !defined(HAVE_MKFIFO)
+#define mkfifo(path, mode) (mknod ((path), (mode) | S_IFIFO, 0))
+#endif
+
+#ifndef _POSIX_SOURCE
+#include <sys/param.h>
+#endif
+
+/* <unistd.h> should be included before any preprocessor test
+   of _POSIX_VERSION.  */
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include "pathmax.h"
+
+#ifndef _POSIX_VERSION
+off_t lseek ();
+#endif
+
+#ifdef TM_IN_SYS_TIME
+#include <sys/time.h>
+#else
+#include <time.h>
+#endif
+
+/* Since major is a function on SVR4, we can't use `ifndef major'.  */
+#ifdef MAJOR_IN_MKDEV
+#include <sys/mkdev.h>
+#define HAVE_MAJOR
+#endif
+#ifdef MAJOR_IN_SYSMACROS
+#include <sys/sysmacros.h>
+#define HAVE_MAJOR
+#endif
+#ifdef major			/* Might be defined in sys/types.h.  */
+#define HAVE_MAJOR
+#endif
+
+#ifndef HAVE_MAJOR
+#define major(dev)  (((dev) >> 8) & 0xff)
+#define minor(dev)  ((dev) & 0xff)
+#define makedev(maj, min)  (((maj) << 8) | (min))
+#endif
+#undef HAVE_MAJOR
+
+#ifdef _POSIX_VERSION
+#include <utime.h>
+#else /* not _POSIX_VERSION */
+struct utimbuf
+{
+  long actime;
+  long modtime;
+};
+#endif /* _POSIX_VERSION */
+
+#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
+#include <string.h>
+#ifndef index
+#define index strchr
+#endif
+#ifndef rindex
+#define rindex strrchr
+#endif
+#ifndef bcopy
+#define bcopy(from, to, len) memcpy ((to), (from), (len))
+#endif
+#ifndef bzero
+#define bzero(s, n) memset ((s), 0, (n))
+#endif
+#else
+#include <strings.h>
+#endif
+
+#include <errno.h>
+#ifdef STDC_HEADERS
+#define getopt system_getopt
+#include <stdlib.h>
+#undef getopt
+#else /* not STDC_HEADERS */
+char *getenv ();
+extern int errno;
+#endif /* STDC_HEADERS */
+
+#if defined(HAVE_FCNTL_H) || defined(_POSIX_VERSION)
+#include <fcntl.h>
+#else
+#include <sys/file.h>
+#endif
+
+#ifndef SEEK_SET
+#define SEEK_SET 0
+#define SEEK_CUR 1
+#define SEEK_END 2
+#endif
+#ifndef F_OK
+#define F_OK 0
+#define X_OK 1
+#define W_OK 2
+#define R_OK 4
+#endif
+
+#if defined(DIRENT) || defined(_POSIX_VERSION)
+#include <dirent.h>
+#define NLENGTH(direct) (strlen((direct)->d_name))
+#else /* not (DIRENT or _POSIX_VERSION) */
+#define dirent direct
+#define NLENGTH(direct) ((direct)->d_namlen)
+#ifdef SYSNDIR
+#include <sys/ndir.h>
+#endif /* SYSNDIR */
+#ifdef SYSDIR
+#include <sys/dir.h>
+#endif /* SYSDIR */
+#ifdef NDIR
+#include <ndir.h>
+#endif /* NDIR */
+#endif /* DIRENT or _POSIX_VERSION */
+
+#ifdef VOID_CLOSEDIR
+/* Fake a return value. */
+#define CLOSEDIR(d) (closedir (d), 0)
+#else
+#define CLOSEDIR(d) closedir (d)
+#endif
+
+/* Get or fake the disk device blocksize.
+   Usually defined by sys/param.h (if at all).  */
+#ifndef DEV_BSIZE
+#ifdef BSIZE
+#define DEV_BSIZE BSIZE
+#else /* !BSIZE */
+#define DEV_BSIZE 4096
+#endif /* !BSIZE */
+#endif /* !DEV_BSIZE */
+
+/* Extract or fake data from a `struct stat'.
+   ST_BLKSIZE: Optimal I/O blocksize for the file, in bytes.
+   ST_NBLOCKS: Number of 512-byte blocks in the file
+   (including indirect blocks). */
+#ifndef HAVE_ST_BLOCKS
+# define ST_BLKSIZE(statbuf) DEV_BSIZE
+# if defined(_POSIX_SOURCE) || !defined(BSIZE) /* fileblocks.c uses BSIZE.  */
+#  define ST_NBLOCKS(statbuf) (((statbuf).st_size + 512 - 1) / 512)
+# else /* !_POSIX_SOURCE && BSIZE */
+#  define ST_NBLOCKS(statbuf) (st_blocks ((statbuf).st_size))
+# endif /* !_POSIX_SOURCE && BSIZE */
+#else /* HAVE_ST_BLOCKS */
+/* Some systems, like Sequents, return st_blksize of 0 on pipes. */
+# define ST_BLKSIZE(statbuf) ((statbuf).st_blksize > 0 \
+			       ? (statbuf).st_blksize : DEV_BSIZE)
+# if defined(hpux) || defined(__hpux__) || defined(__hpux)
+/* HP-UX counts st_blocks in 1024-byte units.
+   This loses when mixing HP-UX and BSD filesystems with NFS.  */
+#  define ST_NBLOCKS(statbuf) ((statbuf).st_blocks * 2)
+# else /* !hpux */
+#  if defined(_AIX) && defined(_I386)
+/* AIX PS/2 counts st_blocks in 4K units.  */
+#    define ST_NBLOCKS(statbuf) ((statbuf).st_blocks * 8)
+#  else /* not AIX PS/2 */
+#    define ST_NBLOCKS(statbuf) ((statbuf).st_blocks)
+#  endif /* not AIX PS/2 */
+# endif /* !hpux */
+#endif /* HAVE_ST_BLOCKS */
+
+/* Convert B 512-byte blocks to kilobytes if K is nonzero,
+   otherwise return it unchanged. */
+#define convert_blocks(b, k) ((k) ? ((b) + 1) / 2 : (b))
+
+#ifndef S_ISLNK
+#define lstat stat
+#endif
+
+#ifndef RETSIGTYPE
+#define RETSIGTYPE void
+#endif
+
+#ifdef __GNUC__
+#undef alloca
+#define alloca __builtin_alloca
+#else
+#ifdef HAVE_ALLOCA_H
+#include <alloca.h>
+#else
+#ifndef _AIX
+/* AIX alloca decl has to be the first thing in the file, bletch! */
+char *alloca ();
+#endif
+#endif
+#endif