1 /* $OpenBSD: msg.h,v 1.3 2001/01/29 01:58:31 niklas Exp $ */ 2 3 /*- 4 * Copyright (c) 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * Copyright (c) 1993, 1994, 1995, 1996 7 * Keith Bostic. All rights reserved. 8 * 9 * See the LICENSE file for redistribution information. 10 * 11 * @(#)msg.h 10.10 (Berkeley) 5/10/96 12 */ 13 14 /* 15 * Common messages (continuation or confirmation). 16 */ 17 typedef enum { 18 CMSG_CONF, CMSG_CONT, CMSG_CONT_EX, 19 CMSG_CONT_R, CMSG_CONT_S, CMSG_CONT_Q } cmsg_t; 20 21 /* 22 * Message types. 23 * 24 * !!! 25 * In historical vi, O_VERBOSE didn't exist, and O_TERSE made the error 26 * messages shorter. In this implementation, O_TERSE has no effect and 27 * O_VERBOSE results in informational displays about common errors, for 28 * naive users. 29 * 30 * M_NONE Display to the user, no reformatting, no nothing. 31 * 32 * M_BERR Error: M_ERR if O_VERBOSE, else bell. 33 * M_ERR Error: Display in inverse video. 34 * M_INFO Info: Display in normal video. 35 * M_SYSERR Error: M_ERR, using strerror(3) message. 36 * M_VINFO Info: M_INFO if O_VERBOSE, else ignore. 37 * 38 * The underlying message display routines only need to know about M_NONE, 39 * M_ERR and M_INFO -- all the other message types are converted into one 40 * of them by the message routines. 41 */ 42 typedef enum { 43 M_NONE = 1, M_BERR, M_ERR, M_INFO, M_SYSERR, M_VINFO } mtype_t; 44 45 /* 46 * There are major problems with error messages being generated by routines 47 * preparing the screen to display error messages. It's possible for the 48 * editor to generate messages before we have a screen in which to display 49 * them, or during the transition between ex (and vi startup) and a true vi. 50 * There's a queue in the global area to hold them. 51 * 52 * If SC_EX/SC_VI is set, that's the mode that the editor is in. If the flag 53 * S_SCREEN_READY is set, that means that the screen is prepared to display 54 * messages. 55 */ 56 typedef struct _msgh MSGH; /* MSGS list head structure. */ 57 LIST_HEAD(_msgh, _msg); 58 struct _msg { 59 LIST_ENTRY(_msg) q; /* Linked list of messages. */ 60 mtype_t mtype; /* Message type: M_NONE, M_ERR, M_INFO. */ 61 char *buf; /* Message buffer. */ 62 size_t len; /* Message length. */ 63 }; 64 65 /* Flags to msgq_status(). */ 66 #define MSTAT_SHOWLAST 0x01 /* Show the line number of the last line. */ 67 #define MSTAT_TRUNCATE 0x02 /* Truncate the file name if it's too long. */ 68