commit d325b95: [Minor] Add method to iterate through all headers

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2021-10-14 17:57:08 +0100
URL: https://github.com/rspamd/rspamd/commit/d325b95656c091b75e0520d71ac865eb7bb047eb

[Minor] Add method to iterate through all headers

---
 src/libmime/mime_headers.c | 16 ++++++++++++++++
 src/libmime/mime_headers.h | 10 ++++++++++
 2 files changed, 26 insertions(+)

diff --git a/src/libmime/mime_headers.c b/src/libmime/mime_headers.c
index 3deb26a08..76ae1770a 100644
--- a/src/libmime/mime_headers.c
+++ b/src/libmime/mime_headers.c
@@ -958,6 +958,22 @@ rspamd_mime_headers_count (struct rspamd_mime_headers_table *hdrs)
 	return 0;
 }
 
+bool
+rspamd_mime_headers_foreach(const struct rspamd_mime_headers_table *hdrs,
+								 rspamd_hdr_traverse_func_t func, void *ud)
+{
+	const gchar *name;
+	struct rspamd_mime_header *hdr;
+
+	kh_foreach(&hdrs->htb, name, hdr, {
+		if (!func(name, hdr, ud)) {
+			return false;
+		}
+	});
+
+	return true;
+}
+
 static void
 rspamd_message_headers_dtor (struct rspamd_mime_headers_table *hdrs)
 {
diff --git a/src/libmime/mime_headers.h b/src/libmime/mime_headers.h
index 7174f9e8f..43dd26e87 100644
--- a/src/libmime/mime_headers.h
+++ b/src/libmime/mime_headers.h
@@ -167,6 +167,16 @@ struct rspamd_mime_headers_table* rspamd_message_headers_new (void);
  */
 gsize rspamd_mime_headers_count (struct rspamd_mime_headers_table *hdrs);
 
+typedef bool(rspamd_hdr_traverse_func_t)(const gchar *, const struct rspamd_mime_header *, void *);
+/**
+ * Traverse all headers in a table
+ * @param func
+ * @param ud
+ * @return
+ */
+bool rspamd_mime_headers_foreach(const struct rspamd_mime_headers_table *,
+		rspamd_hdr_traverse_func_t func, void *ud);
+
 /**
  * Strip rfc822 CFWS sequences from a string in place
  * @param input input