glob.h

   1 /*
   2  * Heirloom mailx - a mail user agent derived from Berkeley Mail.
   3  *
   4  * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
   5  */
   6 /*
   7  * Copyright (c) 1980, 1993
   8  *      The Regents of the University of California.  All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  *      Sccsid @(#)glob.h       2.27 (gritter) 6/16/07
  39  */
  40
  41 /*
  42  * A bunch of global variable declarations lie herein.
  43  * def.h must be included first.
  44  */
  45
  46 #if defined(_MAIL_GLOBS_)
  47 #  undef  _E
  48 #  define _E
  49 #else
  50 #  define _E    extern
  51 #endif
  52
  53 _E int  msgCount;                       /* Count of messages read in */
  54 _E int  rcvmode;                        /* True if receiving mail */
  55 _E int  sawcom;                         /* Set after first command */
  56 _E int  Iflag;                          /* -I show Newsgroups: field */
  57 _E char *Tflag;                         /* -T temp file for netnews */
  58 _E int  senderr;                        /* An error while checking */
  59 _E int  edit;                           /* Indicates editing a file */
  60 _E int  noreset;                        /* String resets suspended */
  61 _E int  sourcing;                       /* Currently reading variant file */
  62 _E int  loading;                        /* Loading user definitions */
  63 _E enum condition       cond;           /* Current state of conditional exc. */
  64 _E struct mailbox mb;                   /* Current mailbox */
  65 _E int  image;                          /* File descriptor for image of msg */
  66 _E FILE *input;                         /* Current command input file */
  67 _E char mailname[PATHSIZE];             /* Name of current file */
  68 _E char mboxname[PATHSIZE];             /* Name of mbox */
  69 _E char prevfile[PATHSIZE];             /* Name of previous file */
  70 _E char *homedir;                       /* Path name of home directory */
  71 _E char *progname;                      /* our name */
  72 _E char *myname;                        /* My login name */
  73 extern const char *version;             /* version string */
  74 _E off_t mailsize;                      /* Size of system mailbox */
  75 _E struct message *dot;                 /* Pointer to current message */
  76 _E struct message *prevdot;             /* Previous current message */
  77 _E struct message *message;             /* The actual message structure */
  78 _E struct message *threadroot;          /* first threaded message */
  79 _E int msgspace;                        /* Number of allocated struct m */
  80 _E struct var *variables[HSHSIZE];      /* Pointer to active var list */
  81 _E struct grouphead *groups[HSHSIZE];   /* Pointer to active groups */
  82 _E struct ignoretab ignore[2];          /* ignored and retained fields
  83                                            0 is ignore, 1 is retain */
  84 _E struct ignoretab saveignore[2];      /* ignored and retained fields
  85                                            on save to folder */
  86 _E struct ignoretab allignore[2];       /* special, ignore all headers */
  87 _E struct ignoretab fwdignore[2];       /* fields to ignore for forwarding */
  88 _E char **altnames;                     /* List of alternate names for user */
  89 _E int  debug;                          /* Debug flag set */
  90 _E int  scrnwidth;                      /* Screen width, or best guess */
  91 _E int  scrnheight;                     /* Screen height, or best guess,
  92                                            for "header" command */
  93 _E int  realscreenheight;               /* the real screen height */
  94 _E gid_t        effectivegid;           /* Saved from when we started up */
  95 _E gid_t        realgid;                /* Saved from when we started up */
  96 _E int  exit_status;                    /* Exit status */
  97 _E int  is_a_tty[2];                    /* isatty(0), isatty(1) */
  98 _E int  did_print_dot;                  /* current message has been printed */
  99 _E int  tildeflag;                      /* enable tilde escapes */
 100 _E char *uflag;                         /* name given with -u option */
 101 _E struct shortcut      *shortcuts;     /* list of shortcuts */
 102 _E int  mb_cur_max;                     /* value of MB_CUR_MAX */
 103 _E int  imap_created_mailbox;           /* hack to get feedback from imap */
 104 _E int  unset_allow_undefined;          /* allow to unset undefined variables */
 105 _E int  inhook;                         /* currently executing a hook */
 106 _E int  starting;                       /* still in startup code */
 107 _E char *wantcharset;                   /* overrides the "charset" variable */
 108 _E int  utf8;                           /* UTF-8 encoding in use for locale */
 109 _E int  Rflag;                          /* open all folders read-only */
 110
 111 #ifdef  USE_SSL
 112 _E enum ssl_vrfy_level  ssl_vrfy_level; /* SSL verification level */
 113 #endif
 114
 115 #ifdef  HAVE_ICONV
 116 _E iconv_t iconvd;
 117 #endif
 118
 119 #ifdef  HAVE_CATGETS
 120 _E nl_catd      catd;
 121 #endif
 122
 123 /*
 124  * These are initialized strings.
 125  */
 126 extern char *us_ascii;                  /* "us-ascii" */
 127 extern const char *month_names[];
 128
 129 #include <setjmp.h>
 130
 131 _E sigjmp_buf   srbuf;
 132 _E int          interrupts;
 133 _E sighandler_type      handlerstacktop;
 134 #define handlerpush(f)  (savedtop = handlerstacktop, handlerstacktop = (f))
 135 #define handlerpop()    (handlerstacktop = savedtop)
 136 extern sighandler_type  dflpipe;
 137
 138 /*
 139  * The pointers for the string allocation routines,
 140  * there are NSPACE independent areas.
 141  * The first holds STRINGSIZE bytes, the next
 142  * twice as much, and so on.
 143  */
 144
 145 #define NSPACE  25                      /* Total number of string spaces */
 146 _E struct strings {
 147         char    *s_topFree;             /* Beginning of this area */
 148         char    *s_nextFree;            /* Next alloctable place here */
 149         unsigned s_nleft;               /* Number of bytes left here */
 150 } stringdope[NSPACE];
 151
 152 #undef  _E