]> Dogcows Code - chaz/tar/commitdiff
(flush_read): Bugfix: the condition at line 714 included
authorSergey Poznyakoff <gray@gnu.org.ua>
Sun, 29 Feb 2004 10:15:45 +0000 (10:15 +0000)
committerSergey Poznyakoff <gray@gnu.org.ua>
Sun, 29 Feb 2004 10:15:45 +0000 (10:15 +0000)
      || (status > 0 && !read_full_records_option)

which is grossly wrong, since even if new_volume() below succeeds,
the subsequent call to rmtread will overwrite the chunk of data
already read in the buffer and thus spoil everything.

src/buffer.c

index a9660324d33e83eaeaef4f3ad230c4eaca3e9b17..7fd43f647e694020fa82f35265416d2229c70926 100644 (file)
@@ -310,7 +310,7 @@ open_archive (enum access_mode wanted_access)
     }
   else if (strcmp (archive_name_array[0], "-") == 0)
     {
-      read_full_records_option = 1; /* could be a pipe, be safe */
+      read_full_records_option = true; /* could be a pipe, be safe */
       if (verify_option)
        FATAL_ERROR ((0, 0, _("Cannot verify stdin/stdout archive")));
 
@@ -408,8 +408,10 @@ open_archive (enum access_mode wanted_access)
          else
            strcpy (record_start->header.name, volume_label_option);
 
-         assign_string (&current_stat_info.file_name, record_start->header.name);
-         current_stat_info.had_trailing_slash = strip_trailing_slashes (current_stat_info.file_name);
+         assign_string (&current_stat_info.file_name,
+                        record_start->header.name);
+         current_stat_info.had_trailing_slash =
+           strip_trailing_slashes (current_stat_info.file_name);
 
          record_start->header.typeflag = GNUTYPE_VOLHDR;
          TIME_TO_CHARS (start_time, record_start->header.mtime);
@@ -703,9 +705,14 @@ flush_read (void)
       return;
     }
 
+  /* The condition below used to include
+             || (status > 0 && !read_full_records_option)
+     This is incorrect since even if new_volume() succeeds, the
+     subsequent call to rmtread will overwrite the chunk of data
+     already read in the buffer, so the processing will fail */
+        
   if ((status == 0
-       || (status < 0 && errno == ENOSPC)
-       || (status > 0 && !read_full_records_option))
+       || (status < 0 && errno == ENOSPC))
       && multi_volume_option)
     {
       union block *cursor;
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