xref: /freebsd/usr.bin/mail/glob.h (revision 2008043f386721d58158e37e0d7e50df8095942d)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1980, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)glob.h	8.1 (Berkeley) 6/6/93
32  */
33 
34 /*
35  * A bunch of global variable declarations lie herein.
36  * def.h must be included first.
37  */
38 
39 extern int	msgCount;			/* Count of messages read in */
40 extern int	rcvmode;			/* True if receiving mail */
41 extern int	sawcom;				/* Set after first command */
42 extern char	*Tflag;				/* -T temp file for netnews */
43 extern int	senderr;			/* An error while checking */
44 extern int	edit;				/* Indicates editing a file */
45 extern int	readonly;			/* Will be unable to rewrite file */
46 extern int	noreset;			/* String resets suspended */
47 extern int	sourcing;			/* Currently reading variant file */
48 extern int	loading;			/* Loading user definitions */
49 extern int	cond;				/* Current state of conditional exc. */
50 extern FILE	*itf;				/* Input temp file buffer */
51 extern FILE	*otf;				/* Output temp file buffer */
52 extern int	image;				/* File descriptor for image of msg */
53 extern FILE	*input;				/* Current command input file */
54 extern char	mailname[PATHSIZE];		/* Name of current file */
55 extern char	prevfile[PATHSIZE];		/* Name of previous file */
56 extern char	*homedir;			/* Path name of home directory */
57 extern char	*myname;			/* My login name */
58 extern off_t	mailsize;			/* Size of system mailbox */
59 extern int	lexnumber;			/* Number of TNUMBER from scan() */
60 extern char	lexstring[STRINGLEN];		/* String from TSTRING, scan() */
61 extern int	regretp;			/* Pointer to TOS of regret tokens */
62 extern int	regretstack[REGDEP];		/* Stack of regretted tokens */
63 extern char	*string_stack[REGDEP];		/* Stack of regretted strings */
64 extern int	numberstack[REGDEP];		/* Stack of regretted numbers */
65 extern struct	message	*dot;			/* Pointer to current message */
66 extern struct	message	*message;		/* The actual message structure */
67 extern struct	var	*variables[HSHSIZE];	/* Pointer to active var list */
68 extern struct	grouphead	*groups[HSHSIZE];/* Pointer to active groups */
69 extern struct	ignoretab	ignore[2];	/* ignored and retained fields
70 					   0 is ignore, 1 is retain */
71 extern struct	ignoretab	saveignore[2];	/* ignored and retained fields
72 					   on save to folder */
73 extern struct	ignoretab	ignoreall[2];	/* special, ignore all headers */
74 extern char	**altnames;			/* List of alternate names for user */
75 extern int	debug;				/* Debug flag set */
76 extern int	screenwidth;			/* Screen width, or best guess */
77 extern int	screenheight;			/* Screen height, or best guess,
78 					   for "header" command */
79 extern int	realscreenheight;		/* the real screen height */
80 
81 #include <setjmp.h>
82 
83 extern jmp_buf	srbuf;
84 
85 
86 /*
87  * The pointers for the string allocation routines,
88  * there are NSPACE independent areas.
89  * The first holds STRINGSIZE bytes, the next
90  * twice as much, and so on.
91  */
92 
93 #define	NSPACE	25			/* Total number of string spaces */
94 extern struct strings {
95 	char	*s_topFree;		/* Beginning of this area */
96 	char	*s_nextFree;		/* Next alloctable place here */
97 	unsigned s_nleft;		/* Number of bytes left here */
98 } stringdope[NSPACE];
99