2.9BSD - /usr/src/cmd/remind/main.c

   1: #include "remind.h"
   2: 
   3: main(argc, argv)
   4: int argc;
   5: char **argv;
   6: {       register int i;
   7:     register char *p;
   8:     int errflg;
   9:     struct passwd *pw;
  10: 
  11:     signal  (SIGHUP,SIG_IGN);          /* Ignore Hangups */
  12: 
  13:     m.nrcvrs = m.msgbytes = m.bits = m.dirsize = errflg = 0;
  14: 
  15:     for (i = 1; i++ < argc;)
  16:     {   p = *++argv;
  17:         if (*p>='a' && *p<='z')
  18:             puserid(p); /* Alphabetic -- Receiver id */
  19:         else if (*p == '-')
  20:             pflags(&p[1]);  /* -flags */
  21:         else if (getdt(p))      /* Anything else - date or time */
  22:             {       fprintf (stderr,invalid, p);
  23:                 errflg = -1;
  24:             }
  25:         /*
  26: 		while( *p ) *p++ = 0;
  27: 		**/
  28:     }
  29: 
  30:     Uid = getuid();
  31:     if((pw=getpwuid(Uid))==NULL)
  32:         strxfer("??",m.sender,3);
  33:     else
  34:     {
  35:         strcpy(m.sender,pw->pw_name);
  36:         if(!pw->pw_shell[0])
  37:             strcpy(shell,"/bin/sh");
  38:         else
  39:             strcpy(shell,pw->pw_shell);
  40:     }
  41: #ifdef DEBUG
  42: {
  43:     fprintf(stderr,"Original Uid = %d\n",Uid);
  44:     fprintf(stderr,"Sender = %s\n",m.sender);
  45: }
  46: #endif DEBUG
  47:     if (m.nrcvrs == 0)
  48:         puserid(m.sender);
  49:     if (checkusers() || errflg) exit(1);
  50: 
  51:     if (m.msgbytes == 0 && argc != 1) getmsg();
  52: 
  53:     m.nobytes = m.msgbytes + 8*m.nrcvrs + m.dirsize;
  54: 
  55: #ifndef DEBUG
  56:     while ((i = fork()) == -1) sleep(5);
  57:     if (i) exit(0);  /* The rest will be done in background mode */
  58: #endif DEBUG
  59: 
  60:     /*
  61: 	setpgrp();
  62: 	*/
  63:     if (dtime() && argc!=1)
  64:         deliver();
  65:     else
  66:         enqueue();
  67: 
  68: }

Defined functions