usr.bin/mail/glob.h

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)glob.h      5.20 (Berkeley) 6/25/90
 */

/*
 * A bunch of global variable declarations lie herein.
 * def.h must be included first.
 */

int     msgCount;                       /* Count of messages read in */
int     rcvmode;                        /* True if receiving mail */
int     sawcom;                         /* Set after first command */
char    *Tflag;                         /* -T temp file for netnews */
int     senderr;                        /* An error while checking */
int     edit;                           /* Indicates editing a file */
int     readonly;                       /* Will be unable to rewrite file */
int     noreset;                        /* String resets suspended */
int     sourcing;                       /* Currently reading variant file */
int     loading;                        /* Loading user definitions */
int     cond;                           /* Current state of conditional exc. */
FILE    *itf;                           /* Input temp file buffer */
FILE    *otf;                           /* Output temp file buffer */
int     image;                          /* File descriptor for image of msg */
FILE    *input;                         /* Current command input file */
char    mailname[PATHSIZE];             /* Name of current file */
char    prevfile[PATHSIZE];             /* Name of previous file */
char    *homedir;                       /* Path name of home directory */
char    *myname;                        /* My login name */
off_t   mailsize;                       /* Size of system mailbox */
int     lexnumber;                      /* Number of TNUMBER from scan() */
char    lexstring[STRINGLEN];           /* String from TSTRING, scan() */
int     regretp;                        /* Pointer to TOS of regret tokens */
int     regretstack[REGDEP];            /* Stack of regretted tokens */
char    *string_stack[REGDEP];          /* Stack of regretted strings */
int     numberstack[REGDEP];            /* Stack of regretted numbers */
struct  message *dot;                   /* Pointer to current message */
struct  message *message;               /* The actual message structure */
struct  var     *variables[HSHSIZE];    /* Pointer to active var list */
struct  grouphead       *groups[HSHSIZE];/* Pointer to active groups */
struct  ignoretab       ignore[2];      /* ignored and retained fields
                                           0 is ignore, 1 is retain */
struct  ignoretab       saveignore[2];  /* ignored and retained fields
                                           on save to folder */
struct  ignoretab       ignoreall[2];   /* special, ignore all headers */
char    **altnames;                     /* List of alternate names for user */
int     debug;                          /* Debug flag set */
int     screenwidth;                    /* Screen width, or best guess */
int     screenheight;                   /* Screen height, or best guess,
                                           for "header" command */
int     realscreenheight;               /* the real screen height */

#include <setjmp.h>

jmp_buf srbuf;


/*
 * The pointers for the string allocation routines,
 * there are NSPACE independent areas.
 * The first holds STRINGSIZE bytes, the next
 * twice as much, and so on.
 */

#define NSPACE  25                      /* Total number of string spaces */
struct strings {
        char    *s_topFree;             /* Beginning of this area */
        char    *s_nextFree;            /* Next alloctable place here */
        unsigned s_nleft;               /* Number of bytes left here */
} stringdope[NSPACE];