*** empty log message ***

src/gnu.c

@@ -470,7 +470,7 @@ int device;
 
 	for(n=namelist;n;n=n->next) {
 		if(!strcmp(n->name,p)) {
-			n->dir_contents = new_buf;
+		  	n->dir_contents = new_buf ? new_buf : "\0\0\0\0";
 			break;
 		}
 	}

src/port.h

@@ -0,0 +1,169 @@
+/* Portability declarations.  Requires sys/types.h.
+   Copyright (C) 1988 Free Software Foundation
+
+This file is part of GNU Tar.
+
+GNU Tar 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.
+
+GNU Tar 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 GNU Tar; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "pathmax.h"
+
+#ifdef _POSIX_VERSION
+#include <sys/wait.h>
+#else /* !_POSIX_VERSION */
+#define WIFSTOPPED(w) (((w) & 0xff) == 0x7f)
+#define WIFSIGNALED(w) (((w) & 0xff) != 0x7f && ((w) & 0xff) != 0)
+#define WIFEXITED(w) (((w) & 0xff) == 0)
+
+#define WSTOPSIG(w) (((w) >> 8) & 0xff)
+#define WTERMSIG(w) ((w) & 0x7f)
+#define WEXITSTATUS(w) (((w) >> 8) & 0xff)
+#endif /* _POSIX_VERSION */
+
+/* nonstandard */
+#ifndef WIFCOREDUMPED
+#define WIFCOREDUMPED(w) (((w) & 0x80) != 0)
+#endif
+
+#ifdef __MSDOS__
+/* missing things from sys/stat.h */
+#define	S_ISUID		0
+#define	S_ISGID		0
+#define	S_ISVTX		0
+
+/* device stuff */
+#define	makedev(ma, mi)		((ma << 8) | mi)
+#define	major(dev)		(dev)
+#define	minor(dev)		(dev)
+typedef long off_t;
+#endif	/* __MSDOS__ */
+
+#if defined(__STDC__) || defined(__TURBOC__)
+#define PTR void *
+#else
+#define PTR char *
+#define const
+#endif
+
+/* Since major is a function on SVR4, we can't just use `ifndef major'.  */
+#ifdef major			/* Might be defined in sys/types.h.  */
+#define HAVE_MAJOR
+#endif
+
+#if !defined(HAVE_MAJOR) && defined(MAJOR_IN_MKDEV)
+#include <sys/mkdev.h>
+#define HAVE_MAJOR
+#endif
+
+#if !defined(HAVE_MAJOR) && defined(MAJOR_IN_SYSMACROS)
+#include <sys/sysmacros.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
+
+#if defined(STDC_HEADERS) || defined(USG)
+#include <string.h>
+#if !defined(__MSDOS__) && !defined(STDC_HEADERS)
+#include <memory.h>
+#endif
+#define index strchr
+#define rindex strrchr
+#define bcopy(s, d, n) memcpy(d, s, n)
+#define bzero(s, n) memset(s, 0, n)
+#define bcmp memcmp
+#else
+#include <strings.h>
+#endif
+
+#if defined(STDC_HEADERS)
+#include <stdlib.h>
+#else
+char *malloc(), *realloc();
+char *getenv();
+#endif
+
+#ifndef _POSIX_VERSION
+#ifdef __MSDOS__
+#include <io.h>
+#else				/* !__MSDOS__ */
+off_t lseek();
+#endif				/* !__MSDOS__ */
+char *getcwd();
+#endif /* !_POSIX_VERSION */
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+#ifndef	O_BINARY
+#define	O_BINARY	0
+#endif
+#ifndef O_CREAT
+#define O_CREAT		0
+#endif
+#ifndef	O_NDELAY
+#define	O_NDELAY	0
+#endif
+#ifndef	O_RDONLY
+#define	O_RDONLY	0
+#endif
+#ifndef O_RDWR
+#define O_RDWR		2
+#endif
+
+#include <sys/stat.h>
+#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)
+#define mkfifo(path, mode) (mknod ((path), (mode) | S_IFIFO, 0))
+#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(S_ISCTG) && defined(S_IFCTG) /* contiguous file */
+#define S_ISCTG(m) (((m) & S_IFMT) == S_IFCTG)
+#endif
+#if !defined(S_ISVTX)
+#define S_ISVTX 0001000
+#endif

src/testpad.c

@@ -0,0 +1,67 @@
+/* Find out if we need the pad field in the header for this machine
+   Copyright (C) 1991 Free Software Foundation
+
+   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 <stdio.h>
+
+struct inc
+{
+  char a[20];
+  char b[20];
+};
+
+struct test1
+{
+  char a;
+  struct inc in[5];
+};
+
+struct test2
+{
+  char a;
+  char b;
+  struct inc in[5];
+};
+
+void
+main ()
+{
+  struct test1 t1;
+  struct test2 t2;
+  int t1diff, t2diff;
+  FILE *fp = fopen("testpad.h", "w");
+
+  if (fp == 0)
+    {
+      fprintf (stderr, "testpad: cannot open ");
+      fflush (stderr);
+      perror ("testpad.h");
+      exit (1);
+    }
+
+  t1diff = (char *)&t1.in[0] - (char *)&t1;
+  t2diff = (char *)&t2.in[0] - (char *)&t2;
+  
+  if (t2diff == t1diff + 1)
+    fprintf (fp, "#define NEEDPAD\n");
+  else if (t1diff != t2diff)
+    fprintf (stderr, "Cannot determine padding for tar struct, \n\
+will try with none.\n");
+
+  fclose (fp);
+  exit (0);
+}