Merge branch 'master' into next

* master:
  fix pack-object buffer size
  mailinfo: decode underscore used in "Q" encoding properly.
  Reintroduce svn pools to solve the memory leak.
  pack-objects: do not stop at object that is "too small"

git-svnimport.perl

@@ -136,8 +136,10 @@ sub file {
 
 	print "... $rev $path ...\n" if $opt_v;
 	my (undef, $properties);
+	my $pool = SVN::Pool->new();
 	eval { (undef, $properties)
-		   = $self->{'svn'}->get_file($path,$rev,$fh); };
+		   = $self->{'svn'}->get_file($path,$rev,$fh,$pool); };
+	$pool->clear;
 	if($@) {
 		return undef if $@ =~ /Attempted to get checksum/;
 		die $@;

mailinfo.c

@@ -405,7 +405,7 @@ static unsigned hexval(int c)
 	return ~0;
 }
 
-static int decode_q_segment(char *in, char *ot, char *ep)
+static int decode_q_segment(char *in, char *ot, char *ep, int rfc2047)
 {
 	int c;
 	while ((c = *in++) != 0 && (in <= ep)) {
@@ -414,8 +414,10 @@ static int decode_q_segment(char *in, char *ot, char *ep)
 			if (d == '\n' || !d)
 				break; /* drop trailing newline */
 			*ot++ = ((hexval(d) << 4) | hexval(*in++));
+			continue;
 		}
-		else
+		if (rfc2047 && c == '_') /* rfc2047 4.2 (2) */
+			c = 0x20;
 		*ot++ = c;
 	}
 	*ot = 0;
@@ -547,7 +549,7 @@ static void decode_header_bq(char *it)
 			sz = decode_b_segment(cp + 3, piecebuf, ep);
 			break;
 		case 'q':
-			sz = decode_q_segment(cp + 3, piecebuf, ep);
+			sz = decode_q_segment(cp + 3, piecebuf, ep, 1);
 			break;
 		}
 		if (sz < 0)
@@ -569,7 +571,7 @@ static void decode_transfer_encoding(char *line)
 	switch (transfer_encoding) {
 	case TE_QP:
 		ep = line + strlen(line);
-		decode_q_segment(line, line, ep);
+		decode_q_segment(line, line, ep, 0);
 		break;
 	case TE_BASE64:
 		ep = line + strlen(line);

pack-objects.c

@@ -1052,7 +1052,7 @@ static int try_delta(struct unpacked *cur, struct unpacked *old, unsigned max_de
 	if (cur_entry->delta)
 		max_size = cur_entry->delta_size-1;
 	if (sizediff >= max_size)
-		return -1;
+		return 0;
 	delta_buf = diff_delta(old->data, oldsize,
 			       cur->data, size, &delta_size, max_size);
 	if (!delta_buf)
@@ -1231,7 +1231,7 @@ static void setup_progress_signal(void)
 int main(int argc, char **argv)
 {
 	SHA_CTX ctx;
-	char line[PATH_MAX + 20];
+	char line[40 + 1 + PATH_MAX + 2];
 	int window = 10, depth = 10, pack_to_stdout = 0;
 	struct object_entry **list;
 	int num_preferred_base = 0;