add Berkeley specific copyright

[unix-history] / usr / src / libexec / bugfiler / reply.c

/*
* Copyright (c) 1986, 1987 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of California at Berkeley. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/

#ifndef lint
static char sccsid[] = "@(#)reply.c     5.5 (Berkeley) %G%";
#endif /* not lint */

#include <bug.h>
#include <sys/file.h>
#include <stdio.h>

/*
* reply --
*      tell the user we got their silly little bug report
*/
reply()
{
       register char   *C,                     /* traveling pointer */
                       *to;                    /* who we're replying to */
       register int    afd,                    /* ack file descriptor */
                       rval;                   /* return value */
       FILE    *pf,                            /* pipe pointer */
               *popen();
       char    *index();

       if (mailhead[RPLY_TAG].found) {
               for (C = mailhead[RPLY_TAG].line + mailhead[RPLY_TAG].len;*C != '\n' && (*C == ' ' || *C == '\t');++C);
               if (*C)
                       goto gotone;
       }
       if (mailhead[FROM_TAG].found) {
               for (C = mailhead[FROM_TAG].line + mailhead[FROM_TAG].len;*C != '\n' && (*C == ' ' || *C == '\t');++C);
               if (*C)
                       goto gotone;
       }
       if (mailhead[CFROM_TAG].found) {
               for (C = mailhead[CFROM_TAG].line + mailhead[CFROM_TAG].len;*C != '\n' && (*C == ' ' || *C == '\t');++C);
               if (*C)
                       goto gotone;
       }
       return;

       /* if it's a foo <XXX>, get the XXX, else get foo (first string) */
gotone: if (to = index(C, '<'))
               for (C = ++to;*C != '\n' && *C != ' ' && *C != '\t' && *C != '>';++C);
       else {
               to = C;
               for (to = C++;*C != '\n' && *C != ' ' && *C != '\t';++C);
       }
       *C = EOS;

       if (!(pf = popen(MAIL_CMD, "w")))
               error("sendmail pipe failed.", CHN);

       fprintf(pf, "Reply-To: %s\nFrom: %s (Bugs Bunny)\nTo: %s\n", BUGS_HOME, BUGS_HOME, to);
       if (mailhead[SUBJ_TAG].found)
               fprintf(pf, "Subject: Re:%s", mailhead[SUBJ_TAG].line + mailhead[SUBJ_TAG].len);
       else
               fputs("Subject: Bug report acknowledgement.\n", pf);
       if (mailhead[DATE_TAG].found)
               fprintf(pf, "In-Acknowledgement-Of: Your message of %s", mailhead[DATE_TAG].line + mailhead[DATE_TAG].len);
       if (mailhead[MSG_TAG].found)
               fprintf(pf, "\t\t%s", mailhead[MSG_TAG].line);
       fputs("Precedence: bulk\n\n", pf);      /* vacation(1) uses this... */
       fflush(pf);

       (void)sprintf(bfr, "%s/%s", dir, ACK_FILE);
       if ((afd = open(bfr, O_RDONLY, 0)) >= 0) {
               while ((rval = read(afd, bfr, sizeof(bfr))) != ERR && rval)
                       (void)write(fileno(pf), bfr, rval);
               (void)close(afd);
       }
       pclose(pf);
}