From 5d7f82cb4369fdc37afb19b1733d9a4d43a541d8 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Fran=C3=A7ois=20Pinard?= <pinard@iro.umontreal.ca>
Date: Wed, 16 Nov 1994 02:47:32 +0000
Subject: [PATCH] *** empty log message ***

---
 src/buffer.c   | 19 +++++++++--------
 src/read_ffs.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+), 9 deletions(-)
 create mode 100644 src/read_ffs.c

diff --git a/src/buffer.c b/src/buffer.c
index 31e1283..4529810 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -440,11 +440,12 @@ child_open ()
 			{
 			  if (err < 0)
 			    {
-			      msg_perror ("can't write to compress");
+			      msg_perror ("can't write to compression program");
 			      exit (EX_SYSTEM);
 			    }
 			  else
-			    msg ("write to compress short %d bytes", count - err);
+			    msg ("write to compression program short %d bytes",
+				 count - err);
 			  count = (err < 0) ? 0 : err;
 			}
 		      ptr += count;
@@ -472,20 +473,20 @@ child_open ()
 		  /* EOF */
 		  if (err == 0)
 		    {
-		      if (f_compress < 2)
+		      if (!f_compress_block)
 			blocksize -= n;
 		      else
 			bzero (ar_block->charptr + blocksize - n, n);
 		      err = rmtwrite (archive, ar_block->charptr, blocksize);
 		      if (err != (blocksize))
 			writeerror (err);
-		      if (f_compress < 2)
+		      if (!f_compress_block)
 			blocksize += n;
 		      break;
 		    }
 		  if (n)
 		    {
-		      msg_perror ("can't read from compress");
+		      msg_perror ("can't read from compression program");
 		      exit (EX_SYSTEM);
 		    }
 		  err = rmtwrite (archive, ar_block->charptr, (int) blocksize);
@@ -500,10 +501,10 @@ child_open ()
     }
   /* So we should exec compress (-d) */
   if (ar_reading)
-    execlp ("compress", "compress", "-d", (char *) 0);
+    execlp (f_compressprog, f_compressprog, "-d", (char *) 0);
   else
-    execlp ("compress", "compress", (char *) 0);
-  msg_perror ("can't exec compress");
+    execlp (f_compressprog, f_compressprog, (char *) 0);
+  msg_perror ("can't exec %s", f_compressprog);
   _exit (EX_SYSTEM);
 }
 
@@ -573,7 +574,7 @@ open_archive (reading)
       exit (EX_ARGSBAD);
     }
 
-  if (f_compress)
+  if (f_compressprog)
     {
       if (reading == 2 || f_verify)
 	{
diff --git a/src/read_ffs.c b/src/read_ffs.c
new file mode 100644
index 0000000..18164cf
--- /dev/null
+++ b/src/read_ffs.c
@@ -0,0 +1,57 @@
+/* Read files directly from the fast file system
+   Copyright (C) 1992 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; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+dev_t lastdev;
+ino_t lastino;
+
+struct dinode ino;
+struct fs fs;
+off_t offset;
+int device_fd;
+
+int *sindir, *dindir, *tindir;
+int sindirblk, dindirblk, tindirblk;
+
+read_raw_file (fd, buf, len)
+     int fd;
+     char *buf;
+     int len;
+{
+  struct stat st;
+  off_t ntoread;
+  int log_blkno, phys_blkno;
+  
+  fstat (fd, &st);
+  if (st.st_dev != lastdev)
+    new_device (st.st_dev);
+  
+  if (st.st_ino != lastino)
+    new_inode (st.st_ino);
+
+  /* Only read single blocks at a time */
+  if (len > fs.fs_bsize)
+    len = fs.fs_bsize;
+  
+  /* Prune to the length of the file */
+  if (offset + len > ino.di_size)
+    len = ino.di_size - offset;
+  
+  log_blkno = lblkno (&fs, blkno);
+  
-- 
2.44.0