592 lines
11 KiB
C
592 lines
11 KiB
C
#ifndef lint
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static char *sccsid = "@(#)cmd2.c 1.1 92/07/30 SMI"; /* from S5R2 1.1 */
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#endif
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#include "rcv.h"
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#include <sys/stat.h>
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/*
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* mailx -- a modified version of a University of California at Berkeley
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* mail program
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*
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* More user commands.
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*/
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/*
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* If any arguments were given, go to the next applicable argument
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* following dot, otherwise, go to the next applicable message.
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* If given as first command with no arguments, print first message.
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*/
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next(msgvec)
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int *msgvec;
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{
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register struct message *mp;
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register int *ip, *ip2;
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int list[2], mdot;
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if (*msgvec != NULL) {
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/*
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* If some messages were supplied, find the
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* first applicable one following dot using
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* wrap around.
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*/
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mdot = dot - &message[0] + 1;
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/*
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* Find the first message in the supplied
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* message list which follows dot.
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*/
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for (ip = msgvec; *ip != NULL; ip++)
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if (*ip > mdot)
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break;
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if (*ip == NULL)
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ip = msgvec;
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ip2 = ip;
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do {
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mp = &message[*ip2 - 1];
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if ((mp->m_flag & MDELETED) == 0) {
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dot = mp;
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goto hitit;
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}
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if (*ip2 != NULL)
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ip2++;
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if (*ip2 == NULL)
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ip2 = msgvec;
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} while (ip2 != ip);
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printf("No messages applicable\n");
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return(1);
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}
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/*
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* If this is the first command, select message 1.
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* Note that this must exist for us to get here at all.
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*/
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if (!sawcom)
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goto hitit;
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/*
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* Just find the next good message after dot, no
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* wraparound.
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*/
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for (mp = dot+1; mp < &message[msgCount]; mp++)
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if ((mp->m_flag & (MDELETED|MSAVED)) == 0)
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break;
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if (mp >= &message[msgCount]) {
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printf("At EOF\n");
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return(0);
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}
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dot = mp;
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hitit:
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/*
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* Print dot.
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*/
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list[0] = dot - &message[0] + 1;
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list[1] = NULL;
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return(type(list));
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}
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/*
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* Save a message in a file. Mark the message as saved
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* so we can discard when the user quits.
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*/
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save(str)
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char str[];
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{
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return(save1(str, 1));
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}
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/*
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* Copy a message to a file without affected its saved-ness
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*/
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copycmd(str)
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char str[];
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{
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return(save1(str, 0));
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}
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/*
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* Save/copy the indicated messages at the end of the passed file name.
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* If mark is true, mark the message "saved."
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*/
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save1(str, mark)
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char str[];
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{
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char *file, *cmd;
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int f, *msgvec;
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cmd = mark ? "save" : "copy";
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msgvec = (int *) salloc((msgCount + 2) * sizeof *msgvec);
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if ((file = snarf(str, &f, 0)) == NOSTR)
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file = Getf("MBOX");
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if (f==-1)
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return(1);
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if (!f) {
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*msgvec = first(0, MMNORM);
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if (*msgvec == NULL) {
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printf("No messages to %s.\n", cmd);
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return(1);
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}
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msgvec[1] = NULL;
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}
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if (f && getmsglist(str, msgvec, 0) < 0)
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return(1);
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if ((file = expand(file)) == NOSTR)
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return(1);
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savemsglist(file, msgvec, mark, 0);
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return(0);
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}
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Save(msgvec)
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int *msgvec;
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{
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return(Save1(msgvec, 1));
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}
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Copy(msgvec)
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int *msgvec;
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{
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return(Save1(msgvec, 0));
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}
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/*
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* save/copy the indicated messages at the end of a file named
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* by the sender of the first message in the msglist.
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*/
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Save1(msgvec, mark)
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int *msgvec;
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{
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register char *from;
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char recfile[BUFSIZ];
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from = striphosts(nameof(&message[*msgvec-1], 0));
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getrecf(from, recfile, 1);
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savemsglist(expand(recfile), msgvec, mark, 0);
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return(0);
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}
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/*
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* save a message list in a file.
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* if wr set, doing "write" instead
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* of "save" or "copy" so don't put
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* out first and last lines.
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*/
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int wr_linecount; /* count of lines written */
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int wr_charcount; /* char count of lines written */
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int wr_maxlines; /* total lines in message */
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savemsglist(file, msgvec, mark, wr)
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char *file;
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int *msgvec;
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{
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register int *ip, mesg;
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register struct message *mp;
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char *disp;
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FILE *obuf;
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struct stat statb;
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int lc, t;
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long cc;
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int wrputs();
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printf("\"%s\" ", file);
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fflush(stdout);
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if (stat(file, &statb) >= 0)
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disp = "[Appended]";
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else
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disp = "[New file]";
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if ((obuf = fopen(file, "a")) == NULL) {
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perror("");
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return;
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}
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cc = 0L;
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lc = 0;
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for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
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mesg = *ip;
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touch(mesg);
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mp = &message[mesg-1];
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wr_linecount = 0;
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wr_charcount = 0;
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if (wr) {
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wr_maxlines = mp->m_lines;
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t = msend(mp, obuf, 0, wrputs);
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} else {
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wr_maxlines = 0;
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t = msend(mp, obuf, (int)value("alwaysignore"), wrputs);
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}
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if (t < 0) {
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perror(file);
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fclose(obuf);
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return;
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}
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lc += t;
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cc += wr_charcount;
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if (wr)
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lc -= 2;
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if (mark)
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mp->m_flag |= MSAVED;
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}
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fflush(obuf);
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if (ferror(obuf))
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perror(file);
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fclose(obuf);
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printf("%s %d/%ld\n", disp, lc, cc);
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}
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wrputs(line, obuf)
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char *line;
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FILE *obuf;
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{
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wr_linecount++;
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/*
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* If doing "write" command and this is the first line or
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* the last line, don't write it out. Since we may add a
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* "Status" line the line count may be off by one so insist
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* that the last line is blank before we skip it.
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*/
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if (wr_maxlines && (wr_linecount == 1 ||
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(wr_linecount >= wr_maxlines && strcmp(line, "\n") == 0)))
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return;
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wr_charcount += strlen(line);
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fputs(line, obuf);
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}
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/*
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* Write the indicated messages at the end of the passed
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* file name, minus header and trailing blank line.
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*/
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swrite(str)
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char str[];
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{
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register char *file;
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int f, *msgvec;
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msgvec = (int *) salloc((msgCount + 2) * sizeof *msgvec);
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if ((file = snarf(str, &f, 1)) == NOSTR)
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return(1);
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if (f==-1)
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return(1);
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if ((file = expand(file)) == NOSTR)
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return(1);
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if (!f) {
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*msgvec = first(0, MMNORM);
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if (*msgvec == NULL) {
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printf("No messages to write.\n");
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return(1);
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}
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msgvec[1] = NULL;
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}
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if (f && getmsglist(str, msgvec, 0) < 0)
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return(1);
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if ((file = expand(file)) == NOSTR)
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return(1);
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savemsglist(file, msgvec, 1, 1);
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return(0);
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}
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/*
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* Snarf the file from the end of the command line and
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* return a pointer to it. If there is no file attached,
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* just return NOSTR. Put a null in front of the file
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* name so that the message list processing won't see it,
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* unless the file name is the only thing on the line, in
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* which case, return 0 in the reference flag variable.
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*/
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char *
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snarf(linebuf, flag, erf)
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char linebuf[];
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int *flag;
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{
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register char *cp;
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char end;
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*flag = 1;
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cp = strlen(linebuf) + linebuf - 1;
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/*
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* Strip away trailing blanks.
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*/
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while (*cp == ' ' && cp > linebuf)
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cp--;
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*++cp = 0;
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/*
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* Now see if string is quoted
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*/
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if (cp > linebuf && any(cp[-1], "'\"")) {
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end = *--cp;
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*cp = '\0';
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while (*cp != end && cp > linebuf)
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cp--;
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if (*cp != end) {
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printf("Syntax error: missing %c.\n", end);
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*flag = -1;
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return(NOSTR);
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}
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if (cp==linebuf)
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*flag = 0;
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*cp++ = '\0';
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return(cp);
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}
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/*
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* Now search for the beginning of the file name.
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*/
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while (cp > linebuf && !any(*cp, "\t "))
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cp--;
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if (*cp == '\0') {
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if (erf)
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printf("No file specified.\n");
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*flag = 0;
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return(NOSTR);
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}
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if (any(*cp, " \t"))
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*cp++ = 0;
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else
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*flag = 0;
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return(cp);
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}
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/*
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* Delete messages.
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*/
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delete(msgvec)
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int msgvec[];
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{
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return(delm(msgvec));
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}
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/*
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* Delete messages, then type the new dot.
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*/
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deltype(msgvec)
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int msgvec[];
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{
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int list[2];
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int lastdot;
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lastdot = dot - &message[0] + 1;
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if (delm(msgvec) >= 0) {
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list[0] = dot - &message[0];
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list[0]++;
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if (list[0] > lastdot) {
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touch(list[0]);
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list[1] = NULL;
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return(type(list));
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}
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printf("At EOF\n");
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return(0);
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}
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else {
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printf("No more messages\n");
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return(0);
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}
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}
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/*
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* Delete the indicated messages.
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* Set dot to some nice place afterwards.
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* Internal interface.
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*/
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delm(msgvec)
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int *msgvec;
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{
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register struct message *mp;
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register *ip, mesg;
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int last;
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last = NULL;
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for (ip = msgvec; *ip != NULL; ip++) {
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mesg = *ip;
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touch(mesg);
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mp = &message[mesg-1];
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mp->m_flag |= MDELETED|MTOUCH;
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mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX);
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last = mesg;
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}
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if (last != NULL) {
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dot = &message[last-1];
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last = first(0, MDELETED);
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if (last != NULL) {
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dot = &message[last-1];
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return(0);
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}
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else {
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dot = &message[0];
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return(-1);
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}
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}
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/*
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* Following can't happen -- it keeps lint happy
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*/
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return(-1);
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}
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/*
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* Undelete the indicated messages.
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*/
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undelete(msgvec)
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int *msgvec;
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{
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register struct message *mp;
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register *ip, mesg;
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for (ip = msgvec; ip-msgvec < msgCount; ip++) {
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mesg = *ip;
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if (mesg == 0)
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return(0);
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touch(mesg);
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mp = &message[mesg-1];
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dot = mp;
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mp->m_flag &= ~MDELETED;
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}
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return(0);
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}
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/*
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* Add the given header fields to the retained list.
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* If no arguments, print the current list of retained fields.
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*/
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retfield(list)
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char *list[];
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{
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char field[BUFSIZ];
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register int h;
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register struct ignore *igp;
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char **ap;
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if (argcount(list) == 0)
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return(retshow());
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for (ap = list; *ap != 0; ap++) {
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istrcpy(field, *ap);
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if (member(field, retain))
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continue;
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h = hash(field);
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igp = (struct ignore *) calloc(1, sizeof (struct ignore));
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igp->i_field = calloc(strlen(field) + 1, sizeof (char));
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strcpy(igp->i_field, field);
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igp->i_link = retain[h];
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retain[h] = igp;
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nretained++;
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}
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return(0);
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}
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/*
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* Print out all currently retained fields.
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*/
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retshow()
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{
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register int h, count;
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struct ignore *igp;
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char **ap, **ring;
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int igcomp();
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count = 0;
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for (h = 0; h < HSHSIZE; h++)
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for (igp = retain[h]; igp != 0; igp = igp->i_link)
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count++;
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if (count == 0) {
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printf("No fields currently being retained.\n");
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return(0);
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}
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ring = (char **) salloc((count + 1) * sizeof (char *));
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ap = ring;
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for (h = 0; h < HSHSIZE; h++)
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for (igp = retain[h]; igp != 0; igp = igp->i_link)
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*ap++ = igp->i_field;
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*ap = 0;
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qsort(ring, count, sizeof (char *), igcomp);
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for (ap = ring; *ap != 0; ap++)
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printf("%s\n", *ap);
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return(0);
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}
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/*
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* Add the given header fields to the ignored list.
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* If no arguments, print the current list of ignored fields.
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*/
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igfield(list)
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char *list[];
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{
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char field[BUFSIZ];
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register int h;
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register struct ignore *igp;
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char **ap;
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if (argcount(list) == 0)
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return(igshow());
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for (ap = list; *ap != 0; ap++) {
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if (isign(*ap))
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continue;
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istrcpy(field, *ap);
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h = hash(field);
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igp = (struct ignore *) calloc(1, sizeof (struct ignore));
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igp->i_field = calloc((unsigned) strlen(field) + 1, sizeof (char));
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strcpy(igp->i_field, field);
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igp->i_link = ignore[h];
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ignore[h] = igp;
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}
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return(0);
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}
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/*
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* Print out all currently ignored fields.
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*/
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igshow()
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{
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register int h, count;
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struct ignore *igp;
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char **ap, **ring;
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int igcomp();
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count = 0;
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for (h = 0; h < HSHSIZE; h++)
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for (igp = ignore[h]; igp != 0; igp = igp->i_link)
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count++;
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if (count == 0) {
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printf("No fields currently being ignored.\n");
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return(0);
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}
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ring = (char **) salloc((count + 1) * sizeof (char *));
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ap = ring;
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for (h = 0; h < HSHSIZE; h++)
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for (igp = ignore[h]; igp != 0; igp = igp->i_link)
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*ap++ = igp->i_field;
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*ap = 0;
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qsort((char *) ring, (unsigned) count, sizeof (char *), igcomp);
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for (ap = ring; *ap != 0; ap++)
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printf("%s\n", *ap);
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return(0);
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}
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/*
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* Compare two names for sorting ignored field list.
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*/
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igcomp(l, r)
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char **l, **r;
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{
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return(strcmp(*l, *r));
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}
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