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Diffstat (limited to 'mail_cmds/mail/def.h')
| -rw-r--r-- | mail_cmds/mail/def.h | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/mail_cmds/mail/def.h b/mail_cmds/mail/def.h new file mode 100644 index 0000000..3817a5f --- /dev/null +++ b/mail_cmds/mail/def.h @@ -0,0 +1,283 @@ +/* + * 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. + * 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. + * + * @(#)def.h 8.4 (Berkeley) 4/20/95 + * + * $FreeBSD: src/usr.bin/mail/def.h,v 1.8 2001/12/18 20:52:09 mikeh Exp $ + */ + +/* + * Mail -- a mail program + * + * Author: Kurt Shoens (UCB) March 25, 1978 + */ + +#ifndef DEF_H +#define DEF_H + +#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)); \ +} + +#endif /* DEF_H */ |