2.9BSD - /usr/src/ucb/delivermail/addr.c

   1: # include "dlvrmail.h"
   2: 
   3: static char SccsId[] = "@(#)addr.c	2.1	11/5/80";
   4: 
   5: /*
   6: **  PUTONQ -- put an address node on the end of a queue
   7: **
   8: **	Parameters:
   9: **		a -- the address to put on the queue.
  10: **		q -- the queue to put it on.
  11: **
  12: **	Returns:
  13: **		none
  14: **
  15: **	Side Effects:
  16: **		none
  17: **
  18: **	Called By:
  19: **		alias
  20: **		recipient
  21: */
  22: 
  23: putonq(a, q)
  24:     register addrq *a;
  25:     register addrq *q;
  26: {
  27:     if (q->q_prev == NULL)
  28:     {
  29:         q->q_prev = q->q_next = a;
  30:         a->q_prev = NULL;
  31:     }
  32:     else
  33:     {
  34:         a->q_prev = q->q_prev;
  35:         q->q_prev->q_next = a;
  36:         q->q_prev = a;
  37:     }
  38:     a->q_next = NULL;
  39: }
  40: /*
  41: **  TKOFFQ -- remove address node from queue
  42: **
  43: **	Takes a node off of a queue, from anyplace in the queue.
  44: **
  45: **	Parameters:
  46: **		a -- the node to remove.
  47: **		q -- the queue to remove it from.
  48: **
  49: **	Returns:
  50: **		none
  51: **
  52: **	Side Effects:
  53: **		none
  54: **
  55: **	Called By:
  56: **		alias
  57: */
  58: 
  59: tkoffq(a, q)
  60:     register addrq *a;
  61:     register addrq *q;
  62: {
  63:     if (a->q_prev != NULL)
  64:         a->q_prev->q_next = a->q_next;
  65:     else
  66:         q->q_next = a->q_next;
  67:     if (a->q_next != NULL)
  68:         a->q_next->q_prev = a->q_prev;
  69:     else
  70:         q->q_prev = a->q_prev;
  71: }
  72: /*
  73: **  SAMEADDR -- Determine if tow addresses are the same
  74: **
  75: **	This is not just a straight comparison -- if the mailer doesn't
  76: **	care about the host we just ignore it, etc.
  77: **
  78: **	Parameters:
  79: **		a, b -- pointers to the internal forms to compare.
  80: **		wildflg -- if TRUE, 'a' may have no user specified,
  81: **			in which case it is to match anything.
  82: **
  83: **	Returns:
  84: **		TRUE -- they represent the same mailbox.
  85: **		FALSE -- they don't.
  86: **
  87: **	Side Effects:
  88: **		none.
  89: **
  90: **	Called By:
  91: **		recipient
  92: **		alias
  93: */
  94: 
  95: bool
  96: sameaddr(a, b, wildflg)
  97:     register addrq *a;
  98:     register addrq *b;
  99:     bool wildflg;
 100: {
 101:     /* if they don't have the same mailer, forget it */
 102:     if (a->q_mailer != b->q_mailer)
 103:         return (FALSE);
 104: 
 105:     /* if the user isn't the same, we can drop out */
 106:     if ((!wildflg || a->q_user[0] != '\0') && strcmp(a->q_user, b->q_user) != 0)
 107:         return (FALSE);
 108: 
 109:     /* if the mailer ignores hosts, we have succeeded! */
 110:     if (flagset(M_NOHOST, a->q_mailer->m_flags))
 111:         return (TRUE);
 112: 
 113:     /* otherwise compare hosts (but be careful for NULL ptrs) */
 114:     if (a->q_host == NULL || b->q_host == NULL)
 115:         return (FALSE);
 116:     if (strcmp(a->q_host, b->q_host) != 0)
 117:         return (FALSE);
 118: 
 119:     return (TRUE);
 120: }

Defined functions

Defined variables