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Annotation of 41BSD/cmd/delivermail/dlvrmail.h, revision 1.1

1.1     ! root        1: /*
        !             2: **  DLVRMAIL.H -- Global definitions for delivermail.
        !             3: **
        !             4: **     Most of these are actually allocated in globals.c
        !             5: **
        !             6: **     @(#)dlvrmail.h  1.6     10/18/80
        !             7: */
        !             8: 
        !             9: 
        !            10: 
        !            11: 
        !            12: # include "useful.h"
        !            13: 
        !            14: /*
        !            15: **  Manifest constants.
        !            16: */
        !            17: 
        !            18: # define MAXLINE       256     /* maximum line length */
        !            19: # define MAXNAME       128     /* maximum length of a name */
        !            20: # define MAXFIELD      2500    /* maximum total length of a header field */
        !            21: # define MAXPV         15      /* maximum # of parms to mailers */
        !            22: # define MAXHOP                30      /* maximum value of HopCount */
        !            23: # define ALIASFILE     "/usr/lib/aliases"      /* location of alias file */
        !            24: 
        !            25: 
        !            26: 
        !            27: 
        !            28: 
        !            29: /*
        !            30: **  Mailer definition structure.
        !            31: **     Every mailer known to the system is declared in this
        !            32: **     structure.  It defines the pathname of the mailer, some
        !            33: **     flags associated with it, and the argument vector to
        !            34: **     pass to it.  The flags are defined in conf.c
        !            35: **
        !            36: **     The argument vector is expanded before actual use.  Every-
        !            37: **     thing is passed through except for things starting with "$".
        !            38: **     "$x" defines some interpolation, as described in conf.c
        !            39: **     "$x" where x is unknown expands to "x", so use "$$" to get "$".
        !            40: */
        !            41: 
        !            42: struct mailer
        !            43: {
        !            44:        char    *m_mailer;      /* pathname of the mailer to use */
        !            45:        short   m_flags;        /* status flags, see below */
        !            46:        short   m_badstat;      /* the status code to use on unknown error */
        !            47:        char    **m_local;      /* list of local names for this host */
        !            48:        char    *m_argv[MAXPV]; /* template argument vector */
        !            49: };
        !            50: 
        !            51: # define M_FOPT                0001    /* mailer takes picky -f flag */
        !            52: # define M_ROPT                0002    /* mailer takes picky -r flag */
        !            53: # define M_QUIET       0004    /* don't print error on bad status */
        !            54: # define M_RESTR       0010    /* must be daemon to execute */
        !            55: # define M_HDR         0020    /* insert From line */
        !            56: # define M_NOHOST      0040    /* ignore host in comparisons */
        !            57: # define M_STRIPQ      0100    /* strip quote characters from user/host */
        !            58: 
        !            59: extern struct mailer Mailer[];
        !            60: 
        !            61: 
        !            62: /*
        !            63: **  Address structure.
        !            64: **     Addresses are stored internally in this structure.
        !            65: */
        !            66: 
        !            67: struct address
        !            68: {
        !            69:        char            *q_paddr;       /* the printname for the address */
        !            70:        char            *q_user;        /* user name */
        !            71:        char            *q_host;        /* host name */
        !            72:        struct mailer   *q_mailer;      /* mailer to use */
        !            73:        struct address  *q_next;        /* chain */
        !            74:        struct address  *q_prev;        /* back pointer */
        !            75: };
        !            76: 
        !            77: typedef struct address addrq;
        !            78: 
        !            79: /* some other primitives */
        !            80: # define nxtinq(q)     ((q)->q_next)
        !            81: # define clearq(q)     (q)->q_next = (q)->q_prev = NULL
        !            82: 
        !            83: extern addrq SendQ;            /* queue of people to send to */
        !            84: extern addrq AliasQ;           /* queue of people that are aliases */
        !            85: 
        !            86: 
        !            87: /*
        !            88: **  Parse structure.
        !            89: **     This table drives the parser which determines the network
        !            90: **     to send the mail to.
        !            91: */
        !            92: 
        !            93: struct parsetab
        !            94: {
        !            95:        char    p_char;         /* trigger character */
        !            96:        char    p_mailer;       /* the index of the mailer to call */
        !            97:        short   p_flags;        /* see below */
        !            98:        char    *p_arg;         /* extra info needed for some flags */
        !            99: };
        !           100: 
        !           101: # define P_MAP         0001    /* map p_char -> p_arg[0] */
        !           102: # define P_HLAST       0002    /* host is last, & right associative */
        !           103: # define P_ONE         0004    /* can only be one p_char in addr */
        !           104: # define P_MOVE                0010    /* send untouched to host p_arg */
        !           105: # define P_USR_UPPER   0020    /* don't map UPPER->lower in user names */
        !           106: # define P_HST_UPPER   0040    /* don't map UPPER->lower in host names */
        !           107: 
        !           108: 
        !           109: 
        !           110: 
        !           111: /*
        !           112: **  Global variables.
        !           113: */
        !           114: 
        !           115: extern bool    ArpaFmt;        /* if set, message is in arpanet fmt */
        !           116: extern bool    FromFlag;       /* if set, "From" person is explicit */
        !           117: extern bool    Debug;          /* if set, debugging info */
        !           118: extern bool    MailBack;       /* mail back response on error */
        !           119: extern bool    BerkNet;        /* called from BerkNet */
        !           120: extern bool    WriteBack;      /* write back response on error */
        !           121: extern bool    NoAlias;        /* if set, don't do any aliasing */
        !           122: extern bool    ForceMail;      /* if set, mail even if already got a copy */
        !           123: extern bool    MeToo;          /* send to the sender also */
        !           124: extern bool    UseMsgId;       /* put msg-id's in all msgs [conf.c] */
        !           125: extern bool    IgnrDot;        /* don't let dot end messages */
        !           126: extern bool    SaveFrom;       /* save leading "From" lines */
        !           127: extern int     Errors;         /* set if errors */
        !           128: extern int     ExitStat;       /* exit status code */
        !           129: extern char    InFileName[];   /* input file name */
        !           130: extern char    Transcript[];   /* the transcript file name */
        !           131: extern char    MsgId[];        /* the message id for this message */
        !           132: extern addrq   From;           /* the person it is from */
        !           133: extern char    *To;            /* the target person */
        !           134: extern int     HopCount;       /* hop count */
        !           135: 
        !           136: 
        !           137: # include      <sysexits.h>
        !           138: 
        !           139: # define flagset(bits, word)   ((bits) & (word))
        !           140: # define setstat(s)            { if (ExitStat == EX_OK) ExitStat = s; }

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