Implement a filter for quoting ^From. Use it for appending to UNIX mailboxes.

* libmailutils/fromflt.c: New file.
* libmailutils/Makefile.am (libmailutils_la_SOURCES): Add fromflt.c
* libmailutils/tests/testsuite.at: Include fromflt.at.
* include/mailutils/filter.h (mu_from_filter): New filter type.
* libmailutils/filter.c (mu_filter_get_list): Register mu_from_filter.

* libmailutils/fromflt.at: New file.
* libmailutils/tests/Makefile.am (TESTSUITE_AT): Add fromflt.at.
* libmailutils/tests/base64d.at: Mention `filter' in the keywords.
* libmailutils/tests/base64e.at: Likewise.
* libmailutils/tests/fltst.c (main): Fix argc check.

* libproto/mbox/mbox.c (append_message_to_stream): Use "FROM" filter.

1 files changed, 96 insertions, 0 deletions

diff --git a/libmailutils/tests/fromflt.at b/libmailutils/tests/fromflt.at
new file mode 100644
index 000000000..a5b331375
--- /dev/null
+++ b/libmailutils/tests/fromflt.at
@@ -0,0 +1,96 @@
+# This file is part of GNU Mailutils. -*- Autotest -*-
+# Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+#
+# GNU Mailutils 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 3, 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 GNU Mailutils.  If not, see <http://www.gnu.org/licenses/>.
+# This file is part of Mailfromd testsuite. 
+
+# -------------------------------------------
+# Data for 'From' filter tests.
+# -------------------------------------------
+
+m4_define([from_plain_text],[From this time on
+from that source
+ From stdin
+and
+From them
+])
+
+m4_define([from_encoded_text],[>From this time on
+from that source
+ From stdin
+and
+>From them
+])
+
+# -------------------------------------------
+# Test 'From' encoding
+# -------------------------------------------
+
+# Test read mode
+
+AT_SETUP([from filter encoding (read)])
+AT_KEYWORDS([from frome fromer encode])
+
+AT_CHECK([
+AT_DATA([input],from_plain_text)
+fltst from encode read < input
+],
+[0],
+[from_encoded_text])
+
+AT_CLEANUP
+
+# The same, in write mode
+
+AT_SETUP([from filter encoding (write)])
+AT_KEYWORDS([from frome fromew encode])
+
+AT_CHECK([
+AT_DATA([input],from_plain_text)
+fltst from encode write < input
+],
+[0],
+[from_encoded_text])
+
+AT_CLEANUP
+
+# -------------------------------------------
+# Test '>From' decoding
+# -------------------------------------------
+
+AT_SETUP([from filter decoding (read)])
+AT_KEYWORDS([from fromd fromdr decode])
+
+AT_CHECK([
+AT_DATA([input],from_encoded_text)
+fltst from decode read < input
+],
+[0],
+[from_plain_text])
+
+AT_CLEANUP
+
+# The same, in write mode
+
+AT_SETUP([from filter decoding (write)])
+AT_KEYWORDS([from fromd fromdw decode])
+
+AT_CHECK([
+AT_DATA([input],from_encoded_text)
+fltst from decode write < input
+],
+[0],
+[from_plain_text])
+
+AT_CLEANUP