1 files changed, 109 insertions, 0 deletions
diff --git a/rfc822/imaprefs.h b/rfc822/imaprefs.h
new file mode 100644
index 0000000..7c1d11f
--- /dev/null
+++ b/rfc822/imaprefs.h
@@ -0,0 +1,109 @@
+/*
+*/
+#ifndef	imaprefs_h
+#define	imaprefs_h
+
+/*
+** Copyright 2000-2003 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+#if	HAVE_CONFIG_H
+#include	"rfc822/config.h"
+#endif
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/*
+** Implement REFERENCES threading.
+*/
+
+/* The data structures */
+
+struct imap_refmsg {
+	struct imap_refmsg *next, *last;	/* Link list of all msgs */
+	struct imap_refmsg *parent;		/* my parent */
+	struct imap_refmsg *firstchild, *lastchild; /* Children link list */
+	struct imap_refmsg *prevsib, *nextsib;	/* Link list of siblings */
+
+	char isdummy;			/* this is a dummy node (for now) */
+	char flag2;			/* Additional flag */
+
+	char *msgid;			/* msgid of this message */
+
+	char *subj;			/* dynalloced subject of this msg */
+	time_t timestamp;		/* Timestamp */
+	unsigned long seqnum;		/* Sequence number */
+} ;
+
+struct imap_refmsgtable {
+        struct imap_refmsg *firstmsg, *lastmsg; /* Link list of all msgs */
+
+        /* hash table message id lookup */
+
+        struct imap_refmsghash *hashtable[512];
+
+        struct imap_subjlookup *subjtable[512];
+
+        struct imap_refmsg *rootptr;            /* The root */
+} ;
+
+struct imap_refmsgtable *rfc822_threadalloc(void);
+void rfc822_threadfree(struct imap_refmsgtable *);
+struct imap_refmsg *rfc822_threadmsg(struct imap_refmsgtable *mt,
+				     const char *msgidhdr,
+				     const char *refhdr,
+				     const char *subjheader,
+
+				     const char *dateheader,
+				     time_t dateheader_tm,
+				     /* Set one or other */
+
+				     unsigned long seqnum);
+
+struct imap_refmsg *rfc822_threadmsgrefs(struct imap_refmsgtable *mt,
+					 const char *msgid_s,
+					 const char * const * msgidList,
+					 const char *subjheader,
+					 const char *dateheader,
+					 time_t dateheader_tm,
+					 unsigned long seqnum);
+
+struct imap_refmsg *rfc822_thread(struct imap_refmsgtable *mt);
+
+	/* INTERNAL FUNCTIONS FOLLOW */
+
+
+struct imap_refmsghash {
+	struct imap_refmsghash *nexthash;
+	struct imap_refmsg *msg;
+} ;
+
+struct imap_subjlookup {
+	struct imap_subjlookup *nextsubj;
+	char *subj;
+	struct imap_refmsg *msg;
+	int msgisrefwd;
+} ;
+
+struct imap_refmsg *rfc822_threadallocmsg(struct imap_refmsgtable *mt,
+					  const char *msgid);
+void rfc822_threadprune(struct imap_refmsgtable *mt);
+struct imap_refmsg *rfc822_threadgetroot(struct imap_refmsgtable *mt);
+struct imap_refmsg *rfc822_threadsearchmsg(struct imap_refmsgtable *mt,
+					   const char *msgid);
+int rfc822_threadsortsubj(struct imap_refmsg *root);
+int rfc822_threadgathersubj(struct imap_refmsgtable *mt,
+			  struct imap_refmsg *root);
+int rfc822_threadmergesubj(struct imap_refmsgtable *mt,
+			   struct imap_refmsg *root);
+int rfc822_threadsortbydate(struct imap_refmsgtable *mt);
+
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif