[dovecot-cvs] dovecot/src/lib-mail istream-header-filter.c, 1.33, 1.34

[cras at dovecot.org]

Update of /var/lib/cvs/dovecot/src/lib-mail
In directory talvi:/tmp/cvs-serv2173/lib-mail

Modified Files:
	istream-header-filter.c 
Log Message:
Handle i_stream_stat() better.



Index: istream-header-filter.c
===================================================================
RCS file: /var/lib/cvs/dovecot/src/lib-mail/istream-header-filter.c,v
retrieving revision 1.33
retrieving revision 1.34
diff -u -d -r1.33 -r1.34
--- istream-header-filter.c	14 Jan 2006 18:47:35 -0000	1.33
+++ istream-header-filter.c	8 Jun 2006 19:26:53 -0000	1.34
@@ -235,21 +235,26 @@
 	return ret;
 }
 
-static void _seek(struct _istream *stream, uoff_t v_offset,
-		  bool mark __attr_unused__)
+static void parse_header(struct header_filter_istream *mstream)
 {
-	struct header_filter_istream *mstream =
-		(struct header_filter_istream *)stream;
 	size_t pos;
 
 	while (!mstream->header_read) {
-		if (_read(stream) == -1)
+		if (_read(&mstream->istream) == -1)
 			break;
 
-		(void)i_stream_get_data(&stream->istream, &pos);
-		i_stream_skip(&stream->istream, pos);
+		(void)i_stream_get_data(&mstream->istream.istream, &pos);
+		i_stream_skip(&mstream->istream.istream, pos);
 	}
+}
+
+static void _seek(struct _istream *stream, uoff_t v_offset,
+		  bool mark __attr_unused__)
+{
+	struct header_filter_istream *mstream =
+		(struct header_filter_istream *)stream;
 
+	parse_header(mstream);
 	stream->istream.v_offset = v_offset;
 	stream->skip = stream->pos = 0;
 	stream->buffer = NULL;
@@ -280,9 +285,22 @@
 }
 
 static const struct stat *
-_stat(struct _istream *stream, bool exact __attr_unused__)
+_stat(struct _istream *stream, bool exact)
 {
-	/* return size and others as unknown */
+	struct header_filter_istream *mstream =
+		(struct header_filter_istream *)stream;
+	const struct stat *st;
+
+	st = i_stream_stat(mstream->input, exact);
+	if (st == NULL || st->st_size == -1 || !exact)
+		return st;
+
+	parse_header(mstream);
+
+	stream->statbuf = *st;
+	stream->statbuf.st_size -=
+		(off_t)mstream->header_size.physical_size -
+		(off_t)mstream->header_size.virtual_size;
 	return &stream->statbuf;
 }