/usr.bin/mail/def.h
https://bitbucket.org/freebsd/freebsd-head/ · C++ Header · 274 lines · 141 code · 40 blank · 93 comment · 0 complexity · 452cf13a70283a820764cac328a035fe MD5 · raw file
- /*
- * Copyright (c) 1980, 1993
- * The 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.
- * 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.
- *
- * @(#)def.h 8.4 (Berkeley) 4/20/95
- *
- * $FreeBSD$
- */
- /*
- * Mail -- a mail program
- *
- * Author: Kurt Shoens (UCB) March 25, 1978
- */
- #include <sys/param.h>
- #include <sys/stat.h>
- #include <ctype.h>
- #include <err.h>
- #include <paths.h>
- #include <signal.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <termios.h>
- #include <time.h>
- #include <unistd.h>
- #include "pathnames.h"
- #define APPEND /* New mail goes to end of mailbox */
- #define ESCAPE '~' /* Default escape for sending */
- #define NMLSIZE 1024 /* max names in a message list */
- #define PATHSIZE MAXPATHLEN /* Size of pathnames throughout */
- #define HSHSIZE 59 /* Hash size for aliases and vars */
- #define LINESIZE BUFSIZ /* max readable line width */
- #define STRINGSIZE ((unsigned)128) /* Dynamic allocation units */
- #define MAXARGC 1024 /* Maximum list of raw strings */
- #define MAXEXP 25 /* Maximum expansion of aliases */
- #define equal(a, b) (strcmp(a,b)==0)/* A nice function to string compare */
- struct message {
- short m_flag; /* flags, see below */
- short m_offset; /* offset in block of message */
- long m_block; /* block number of this message */
- long m_size; /* Bytes in the message */
- long m_lines; /* Lines in the message */
- };
- /*
- * flag bits.
- */
- #define MUSED (1<<0) /* entry is used, but this bit isn't */
- #define MDELETED (1<<1) /* entry has been deleted */
- #define MSAVED (1<<2) /* entry has been saved */
- #define MTOUCH (1<<3) /* entry has been noticed */
- #define MPRESERVE (1<<4) /* keep entry in sys mailbox */
- #define MMARK (1<<5) /* message is marked! */
- #define MODIFY (1<<6) /* message has been modified */
- #define MNEW (1<<7) /* message has never been seen */
- #define MREAD (1<<8) /* message has been read sometime. */
- #define MSTATUS (1<<9) /* message status has changed */
- #define MBOX (1<<10) /* Send this to mbox, regardless */
- /*
- * Given a file address, determine the block number it represents.
- */
- #define blockof(off) ((int)((off) / 4096))
- #define boffsetof(off) ((int)((off) % 4096))
- #define positionof(block, offset) ((off_t)(block) * 4096 + (offset))
- /*
- * Format of the command description table.
- * The actual table is declared and initialized
- * in lex.c
- */
- struct cmd {
- const char *c_name; /* Name of command */
- int (*c_func)(); /* Implementor of the command */
- short c_argtype; /* Type of arglist (see below) */
- short c_msgflag; /* Required flags of messages */
- short c_msgmask; /* Relevant flags of messages */
- };
- /* Yechh, can't initialize unions */
- #define c_minargs c_msgflag /* Minimum argcount for RAWLIST */
- #define c_maxargs c_msgmask /* Max argcount for RAWLIST */
- /*
- * Argument types.
- */
- #define MSGLIST 0 /* Message list type */
- #define STRLIST 1 /* A pure string */
- #define RAWLIST 2 /* Shell string list */
- #define NOLIST 3 /* Just plain 0 */
- #define NDMLIST 4 /* Message list, no defaults */
- #define P 040 /* Autoprint dot after command */
- #define I 0100 /* Interactive command bit */
- #define M 0200 /* Legal from send mode bit */
- #define W 0400 /* Illegal when read only bit */
- #define F 01000 /* Is a conditional command */
- #define T 02000 /* Is a transparent command */
- #define R 04000 /* Cannot be called from collect */
- /*
- * Oft-used mask values
- */
- #define MMNORM (MDELETED|MSAVED)/* Look at both save and delete bits */
- #define MMNDEL MDELETED /* Look only at deleted bit */
- /*
- * Structure used to return a break down of a head
- * line (hats off to Bill Joy!)
- */
- struct headline {
- char *l_from; /* The name of the sender */
- char *l_tty; /* His tty string (if any) */
- char *l_date; /* The entire date string */
- };
- #define GTO 1 /* Grab To: line */
- #define GSUBJECT 2 /* Likewise, Subject: line */
- #define GCC 4 /* And the Cc: line */
- #define GBCC 8 /* And also the Bcc: line */
- #define GREPLYTO 0x10 /* And the Reply-To: line */
- #define GINREPLYTO 0x20 /* The In-Reply-To: line */
- #define GMASK (GTO|GSUBJECT|GCC|GBCC|GREPLYTO|GINREPLYTO)
- /* Mask of places from whence */
- #define GNL 0x40 /* Print blank line after */
- #define GDEL 0x80 /* Entity removed from list */
- #define GCOMMA 0x100 /* detract puts in commas */
- /*
- * Structure used to pass about the current
- * state of the user-typed message header.
- */
- struct header {
- struct name *h_bcc; /* Blind carbon copies */
- struct name *h_cc; /* Carbon copies string */
- struct name *h_smopts; /* Sendmail options */
- struct name *h_to; /* Dynamic "To:" string */
- char *h_inreplyto; /* Reference */
- char *h_replyto; /* Reply address */
- char *h_subject; /* Subject string */
- };
- /*
- * Structure of namelist nodes used in processing
- * the recipients of mail and aliases and all that
- * kind of stuff.
- */
- struct name {
- struct name *n_flink; /* Forward link in list. */
- struct name *n_blink; /* Backward list link */
- short n_type; /* From which list it came */
- char *n_name; /* This fella's name */
- };
- /*
- * Structure of a variable node. All variables are
- * kept on a singly-linked list of these, rooted by
- * "variables"
- */
- struct var {
- struct var *v_link; /* Forward link to next variable */
- char *v_name; /* The variable's name */
- char *v_value; /* And it's current value */
- };
- struct group {
- struct group *ge_link; /* Next person in this group */
- char *ge_name; /* This person's user name */
- };
- struct grouphead {
- struct grouphead *g_link; /* Next grouphead in list */
- char *g_name; /* Name of this group */
- struct group *g_list; /* Users in group. */
- };
- /*
- * Structure of the hash table of ignored header fields
- */
- struct ignoretab {
- int i_count; /* Number of entries */
- struct ignore {
- struct ignore *i_link; /* Next ignored field in bucket */
- char *i_field; /* This ignored field */
- } *i_head[HSHSIZE];
- };
- /*
- * Token values returned by the scanner used for argument lists.
- * Also, sizes of scanner-related things.
- */
- #define TEOL 0 /* End of the command line */
- #define TNUMBER 1 /* A message number */
- #define TDASH 2 /* A simple dash */
- #define TSTRING 3 /* A string (possibly containing -) */
- #define TDOT 4 /* A "." */
- #define TUP 5 /* An "^" */
- #define TDOLLAR 6 /* A "$" */
- #define TSTAR 7 /* A "*" */
- #define TOPEN 8 /* An '(' */
- #define TCLOSE 9 /* A ')' */
- #define TPLUS 10 /* A '+' */
- #define TERROR 11 /* A lexical error */
- #define REGDEP 2 /* Maximum regret depth. */
- #define STRINGLEN 1024 /* Maximum length of string token */
- /*
- * Constants for conditional commands. These describe whether
- * we should be executing stuff or not.
- */
- #define CANY 0 /* Execute in send or receive mode */
- #define CRCV 1 /* Execute in receive mode only */
- #define CSEND 2 /* Execute in send mode only */
- /*
- * Kludges to handle the change from setexit / reset to setjmp / longjmp
- */
- #define setexit() setjmp(srbuf)
- #define reset(x) longjmp(srbuf, x)
- /*
- * Truncate a file to the last character written. This is
- * useful just before closing an old file that was opened
- * for read/write.
- */
- #define trunc(stream) { \
- (void)fflush(stream); \
- (void)ftruncate(fileno(stream), (off_t)ftell(stream)); \
- }