added mailbox_lock_t type and appropiate changes

added name to authors file

 Jakob Kaivo <jkaivo@ndn.net>
 Jeff Bailey <jbailey@gnu.org>
-
+Sean 'Shaleh' Perry <shaleh@debian.org>

+Sean 'Shaleh' Perry <shaleh@debian.org>  Mon,  4 Oct 1999 14:28:35 -0700
+
+	* changed lock(int mode) to lock(mailbox_lock_t mode), this will allow
+	   the type to be chnaged later without affecting code compatibility
+	* added name to AUTHORS
+	* noticed mention of IMAP4 server and went back to coding it (-:
+
 1999-10-03  Jeff Bailey  <jbailey@cr499794-a.crdva1.bc.wave.home.com>
 
 	* mail/mail.c: Support --help, --version.

@@ -38,9 +38,13 @@
 #define mbox_lock(m,n)		m->_lock(m,n)
 
 /* Lock settings */
-#define MO_ULOCK	0
-#define MO_RLOCK	1
-#define MO_WLOCK	2
+/*
+ * define this way so that it is opaque and can later become a struct w/o
+ * people noticing (-:
+ *
+ */
+enum _mailbox_lock_t {MO_ULOCK, MO_RLOCK, MO_WLOCK}; /* new type */
+typedef enum _mailbox_lock_t mailbox_lock_t;
 
 typedef struct _mailbox
   {
@@ -58,7 +62,7 @@ typedef struct _mailbox
     int (*_expunge) __P ((struct _mailbox *));
     int (*_add_message) __P ((struct _mailbox *, char *));
     int (*_is_deleted) __P ((struct _mailbox *, unsigned int));
-    int (*_lock) __P((struct _mailbox *, unsigned int));
+    int (*_lock) __P((struct _mailbox *, mailbox_lock_t));
     char *(*_get_body) __P ((struct _mailbox *, unsigned int));
     char *(*_get_header) __P ((struct _mailbox *, unsigned int));
   }
@@ -70,5 +74,3 @@ char *mbox_header_line __P ((mailbox *mbox, unsigned int num, const char *header
 char *mbox_body_lines __P ((mailbox *mbox, unsigned int num, unsigned int lines));
 
 #endif
-
-

@@ -361,7 +361,7 @@ unixmbox_get_header (mailbox * mbox, unsigned int num)
  * Get locking code from Procmail and/or Exim
  */
 int
-unixmbox_lock (mailbox *mbox, unsigned int mode)
+unixmbox_lock (mailbox *mbox, mailbox_lock_t mode)
 {
   unixmbox_data *data = mbox->_data;
   data->lockmode = mode;

@@ -55,7 +55,7 @@ typedef struct _unixmbox_data
   {
     unixmbox_message *messages;
     FILE *file;
-    int lockmode;
+    mailbox_lock_t lockmode;
   }
 unixmbox_data;
 
@@ -65,7 +65,7 @@ int unixmbox_delete (mailbox *mbox, unsigned int num);
 int unixmbox_undelete (mailbox *mbox, unsigned int num);
 int unixmbox_expunge (mailbox *mbox);
 int unixmbox_is_deleted (mailbox *mbox, unsigned int num);
-int unixmbox_lock (mailbox *mbox, unsigned int mode);
+int unixmbox_lock (mailbox *mbox, mailbox_lock_t mode);
 int unixmbox_add_message (mailbox *mbox, char *message);
 char *unixmbox_get_body (mailbox *mbox, unsigned int num);
 char *unixmbox_get_header (mailbox *mbox, unsigned int num);