(try_new_volume): Attempt to continue if the name is apparently truncated in a GNU...

[chaz/tar] / src / buffer.c

diff --git a/src/buffer.c b/src/buffer.c
index a6daf3c9b3ae61774c52e09a61f913b211d09b9b..06b6901a58efc23f0b4dae90ed3729cd152e3f07 100644 (file)
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -453,7 +453,7 @@ _open_archive (enum access_mode wanted_access)
 
            archive = STDIN_FILENO;
 
-           type = check_compressed_archive (archive);
+           type = check_compressed_archive ();
            if (type != ct_none)
              FATAL_ERROR ((0, 0,
                            _("Archive is compressed. Use %s option"),
@@ -1151,9 +1151,19 @@ try_new_volume ()
       if (!continued_file_name
          || strcmp (continued_file_name, real_s_name))
        {
-         WARN ((0, 0, _("%s is not continued on this volume"),
-                quote (real_s_name)));
-         return false;
+         if ((archive_format == GNU_FORMAT || archive_format == OLDGNU_FORMAT)
+             && strlen (real_s_name) >= NAME_FIELD_SIZE
+             && strncmp (continued_file_name, real_s_name,
+                         NAME_FIELD_SIZE) == 0)
+           WARN ((0, 0,
+ _("%s is possibly continued on this volume: header contains truncated name"),
+                  quote (real_s_name)));
+         else
+           {
+             WARN ((0, 0, _("%s is not continued on this volume"),
+                    quote (real_s_name)));
+             return false;
+           }
        }
 
       s = continued_file_size + continued_file_offset;