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File 0006-lib-mail-Refactor-code-to-make-the-next-commit-small.patch of Package dovecot22 (Revision 6576f436c94c527ed34cdb9adc06a43b)

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From 18a7a161c8dae6f630770a3cbab7374a0c3dd732 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <timo.sirainen@dovecot.fi>
Date: Tue, 9 Jan 2018 11:33:59 -0500
Subject: [PATCH 6/7] lib-mail: Refactor code to make the next commit smaller

---
 src/lib-mail/message-address.c |  4 ++--
 src/lib-mail/message-id.c      | 30 +++++++++++++-----------------
 src/lib-mail/message-parser.c  |  5 ++---
 3 files changed, 17 insertions(+), 22 deletions(-)

diff --git a/src/lib-mail/message-address.c b/src/lib-mail/message-address.c
index 88d638a..afeef88 100644
--- a/src/lib-mail/message-address.c
+++ b/src/lib-mail/message-address.c
@@ -400,9 +400,9 @@ message_address_parse_real(pool_t pool, const unsigned char *data, size_t size,
 
 	if (rfc822_skip_lwsp(&ctx.parser) <= 0) {
 		/* no addresses */
-		return NULL;
+	} else {
+		(void)parse_address_list(&ctx, max_addresses);
 	}
-	(void)parse_address_list(&ctx, max_addresses);
 	return ctx.first_addr;
 }
 
diff --git a/src/lib-mail/message-id.c b/src/lib-mail/message-id.c
index d6aa357..772535b 100644
--- a/src/lib-mail/message-id.c
+++ b/src/lib-mail/message-id.c
@@ -9,6 +9,7 @@ static bool get_untokenized_msgid(const char **msgid_p, string_t *msgid)
 {
 	struct rfc822_parser_context parser;
 	int ret;
+	bool success = FALSE;
 
 	rfc822_parser_init(&parser, (const unsigned char *)*msgid_p,
 			   strlen(*msgid_p), NULL);
@@ -27,23 +28,18 @@ static bool get_untokenized_msgid(const char **msgid_p, string_t *msgid)
 		ret = rfc822_parse_quoted_string(&parser, msgid);
 	else
 		ret = rfc822_parse_dot_atom(&parser, msgid);
-	if (ret <= 0)
-		return FALSE;
-
-	if (*parser.data != '@')
-		return FALSE;
-	str_append_c(msgid, '@');
-	parser.data++;
-	rfc822_skip_lwsp(&parser);
-
-	if (rfc822_parse_dot_atom(&parser, msgid) <= 0)
-		return FALSE;
-
-	if (*parser.data != '>')
-		return FALSE;
-
-	*msgid_p = (const char *)parser.data + 1;
-	return TRUE;
+	if (ret > 0 && *parser.data == '@') {
+		str_append_c(msgid, '@');
+		parser.data++;
+		rfc822_skip_lwsp(&parser);
+
+		if (rfc822_parse_dot_atom(&parser, msgid) > 0 &&
+		    *parser.data == '>') {
+			*msgid_p = (const char *)parser.data + 1;
+			success = TRUE;
+		}
+	}
+	return success;
 }
 
 static void strip_lwsp(char *str)
diff --git a/src/lib-mail/message-parser.c b/src/lib-mail/message-parser.c
index 8caf7d8..b95448a 100644
--- a/src/lib-mail/message-parser.c
+++ b/src/lib-mail/message-parser.c
@@ -499,9 +499,8 @@ static void parse_content_type(struct message_parser_ctx *ctx,
 			ctx->part->flags |= MESSAGE_PART_FLAG_MULTIPART_DIGEST;
 	}
 
-	if (ret < 0)
-		return;
-	if ((ctx->part->flags & MESSAGE_PART_FLAG_MULTIPART) == 0 ||
+	if (ret < 0 ||
+	    (ctx->part->flags & MESSAGE_PART_FLAG_MULTIPART) == 0 ||
 	    ctx->last_boundary != NULL)
 		return;
 
-- 
2.1.4

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File 0006-lib-mail-Refactor-code-to-make-the-next-commit-small.patch of Package dovecot22 (Revision 6576f436c94c527ed34cdb9adc06a43b)

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