notmuch show: Initial implementation (headers only)

We're using a delimiter syntax that Keith is optimistic about
being able to easily parse in emacs. Note: We're not escaping
any occurrence of the delimiters in the message yet, so we'll
need to fix that.

1 files changed, 11 insertions, 0 deletions

diff --git a/notmuch-private.h b/notmuch-private.h
index da36c300..39d5e757 100644
--- a/notmuch-private.h
+++ b/notmuch-private.h
@@ -280,6 +280,17 @@ const char *
 notmuch_message_file_get_header (notmuch_message_file_t *message,
 				 const char *header);
 
+/* Get the entire set of headers from an email message as a string.
+ *
+ * The returned value is owned by the notmuch message and is valid
+ * only until the message is closed. The caller should copy it if
+ * needing to modify the value or to hold onto it for longer.
+ *
+ * Returns NULL in the case of any error.
+ */
+const char *
+notmuch_message_file_get_all_headers (notmuch_message_file_t *message);
+
 /* date.c */
 
 /* Parse an RFC 8222 date string to a time_t value.