From 3e4d592e8c4993847892894a436f2626480da05d Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 1 Oct 2007 16:48:32 +0200
Subject: improve signature extraction API

---
 signature.c | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

(limited to 'signature.c')

diff --git a/signature.c b/signature.c
index 228ff3f..1014ed3 100644
--- a/signature.c
+++ b/signature.c
@@ -14,9 +14,9 @@ void signature_init(void)
 	debug("antispam: signature header line is \"%s\"\n", signature_hdr);
 }
 
-int signature_extract(struct mailbox_transaction_context *t,
-		      struct mail *mail, struct siglist **list,
-		      bool from_spam)
+int signature_extract_to_list(struct mailbox_transaction_context *t,
+			      struct mail *mail, struct siglist **list,
+			      bool from_spam)
 {
 	const char *const *signatures;
 	struct siglist *item;
@@ -41,6 +41,24 @@ int signature_extract(struct mailbox_transaction_context *t,
 	return 0;
 }
 
+const char *signature_extract(struct mailbox_transaction_context *t,
+			      struct mail *mail)
+{
+	const char *const *signatures;
+
+	signatures = mail_get_headers(mail, signature_hdr);
+	if (!signatures || !signatures[0]) {
+		mail_storage_set_error(t->box->storage,
+				       "antispam signature not found");
+		return NULL;
+	}
+
+	while (signatures[1])
+		signatures++;
+
+	return signatures[0];
+}
+
 void signature_list_free(struct siglist **list)
 {
 	struct siglist *item, *next;
-- 
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