X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Fupdate.c;h=de2786df3e86efc748692f0f5a6d585f220fd674;hb=4bde4f39d08f000f7e63a832b08a2525c1262f84;hp=0db091de9a809d1b3b2d5c103b45dd7977f10307;hpb=120e96c480fbfc5fa31fba0f59ba1a45953b838e;p=chaz%2Ftar

diff --git a/src/update.c b/src/update.c
index 0db091d..de2786d 100644
--- a/src/update.c
+++ b/src/update.c
@@ -1,11 +1,11 @@
 /* Update a tar archive.
 
    Copyright (C) 1988, 1992, 1994, 1996, 1997, 1999, 2000, 2001, 2003,
-   2004 Free Software Foundation, Inc.
+   2004, 2005, 2007, 2010 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
+   Free Software Foundation; either version 3, or (at your option) any later
    version.
 
    This program is distributed in the hope that it will be useful, but
@@ -47,7 +47,7 @@ char *output_start;
 static void
 append_file (char *file_name)
 {
-  int handle = open (file_name, O_RDONLY | O_BINARY);
+  int handle = openat (chdir_fd, file_name, O_RDONLY | O_BINARY);
   struct stat stat_data;
 
   if (handle < 0)
@@ -110,11 +110,13 @@ update_archive (void)
 
   name_gather ();
   open_archive (ACCESS_UPDATE);
-  xheader_write_global ();
+  buffer_write_global_xheader ();
 
   while (!found_end)
     {
-      enum read_header status = read_header (false);
+      enum read_header status = read_header (&current_header,
+                                             &current_stat_info,
+                                             read_header_auto);
 
       switch (status)
 	{
@@ -129,7 +131,7 @@ update_archive (void)
 	    decode_header (current_header, &current_stat_info,
 			   &current_format, 0);
 	    archive_format = current_format;
-	    
+
 	    if (subcommand_option == UPDATE_SUBCOMMAND
 		&& (name = name_scan (current_stat_info.file_name)) != NULL)
 	      {
@@ -137,9 +139,43 @@ update_archive (void)
 
 		chdir_do (name->change_dir);
 		if (deref_stat (dereference_option,
-				current_stat_info.file_name, &s) == 0
-		    && s.st_mtime <= current_stat_info.stat.st_mtime)
-		  add_avoided_name (current_stat_info.file_name);
+				current_stat_info.file_name, &s) == 0)
+		  {
+		    if (S_ISDIR (s.st_mode))
+		      {
+			char *p, *dirp;
+			DIR *stream;
+			int fd = openat (chdir_fd, name->name,
+					 open_read_flags | O_DIRECTORY);
+			if (fd < 0)
+			  open_error (name->name);
+			else if (! ((stream = fdopendir (fd))
+				    && (dirp = streamsavedir (stream))))
+			  savedir_error (name->name);
+			else
+			  {
+			    namebuf_t nbuf = namebuf_create (name->name);
+
+			    for (p = dirp; *p; p += strlen (p) + 1)
+			      addname (namebuf_name (nbuf, p),
+				       0, false, NULL);
+
+			    namebuf_free (nbuf);
+			    free (dirp);
+
+			    remname (name);
+			  }
+
+			if (stream
+			    ? closedir (stream) != 0
+			    : 0 <= fd && close (fd) != 0)
+			  savedir_error (name->name);
+		      }
+		    else if (tar_timespec_cmp (get_stat_mtime (&s),
+					       current_stat_info.mtime)
+			     <= 0)
+		      remname (name);
+		  }
 	      }
 
 	    skip_member ();
@@ -179,7 +215,6 @@ update_archive (void)
 	}
 
       tar_stat_destroy (&current_stat_info);
-      xheader_destroy (&extended_header);
       previous_status = status;
     }
 
@@ -188,10 +223,10 @@ update_archive (void)
   output_start = current_block->buffer;
 
   {
-    char *file_name;
-
-    while ((file_name = name_from_list ()) != NULL)
+    struct name const *p;
+    while ((p = name_from_list ()) != NULL)
       {
+	char *file_name = p->name;
 	if (excluded_name (file_name))
 	  continue;
 	if (interactive_option && !confirm ("add", file_name))
@@ -199,11 +234,12 @@ update_archive (void)
 	if (subcommand_option == CAT_SUBCOMMAND)
 	  append_file (file_name);
 	else
-	  dump_file (file_name, 1, (dev_t) 0);
+	  dump_file (0, file_name, file_name);
       }
   }
 
   write_eot ();
   close_archive ();
+  finish_deferred_unlinks ();
   names_notfound ();
 }