816 lines
16 KiB
C
Executable File
816 lines
16 KiB
C
Executable File
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ident "@(#)cmd2.c 1.19 95/07/19 SMI" /* from SVr4.0 1.6.2.3 */
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#include "rcv.h"
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#include <locale.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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static int igshow(void);
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static int igcomp(const void *l, const void *r);
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static int save1(char str[], int mark);
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static int Save1(int *msgvec, int mark);
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static void savemsglist(char *file, int *msgvec, int flag);
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static int put1(char str[], int doign);
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static int svputs(const char *line, FILE *obuf);
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static int wrputs(const char *line, FILE *obuf);
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static int retshow(void);
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/* flags for savemsglist() */
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#define S_MARK 1 /* mark the message as saved */
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#define S_NOHEADER 2 /* don't write out the header */
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#define S_SAVING 4 /* doing save/copy */
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#define S_NOIGNORE 8 /* don't do ignore processing */
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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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int
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next(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(gettext("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(gettext("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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int
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save(char str[])
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{
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return(save1(str, S_MARK));
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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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int
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copycmd(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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static int
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save1(char str[], int mark)
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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(gettext("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 | S_SAVING);
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return(0);
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}
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int
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Save(int *msgvec)
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{
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return(Save1(msgvec, S_MARK));
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}
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int
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Copy(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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static int
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Save1(int *msgvec, int mark)
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{
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register char *from;
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char recfile[BUFSIZ];
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#ifdef notdef
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from = striphosts(nameof(&message[*msgvec-1], 0));
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#else
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from = nameof(&message[*msgvec-1]);
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#endif
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getrecf(from, recfile, 1);
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savemsglist(safeexpand(recfile), msgvec, mark | S_SAVING);
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return(0);
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}
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int
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sput(char str[])
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{
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return(put1(str, 0));
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}
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int
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Sput(char str[])
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{
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return(put1(str, S_NOIGNORE));
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}
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/*
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* Put the indicated messages at the end of the passed file name.
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*/
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static int
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put1(char str[], int doign)
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{
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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, 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(gettext("No messages to put.\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, doign);
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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 header.
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*/
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static int wr_linecount; /* count of lines written */
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static int wr_charcount; /* char count of lines written */
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static int wr_inlines; /* count of lines read */
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static long wr_maxlines; /* total lines in message */
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static int wr_inhead; /* in header of message */
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static void
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savemsglist(char *file, int *msgvec, int flag)
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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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long lc, cc, t;
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int bnry, mflag;
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printf("\"%s\" ", file);
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flush();
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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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lc = cc = 0;
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bnry = 0;
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if (flag & S_SAVING)
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mflag = (int)value("alwaysignore")?(M_IGNORE|M_SAVING):M_SAVING;
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else if (flag & S_NOIGNORE)
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mflag = 0;
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else
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mflag = M_IGNORE;
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for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) {
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mesg = *ip;
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mp = &message[mesg-1];
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if (!mp->m_text) {
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bnry = 1;
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}
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wr_linecount = 0;
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wr_charcount = 0;
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if (flag & S_NOHEADER) {
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wr_inhead = 1;
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wr_maxlines = mp->m_lines;
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wr_inlines = 0;
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t = msend(mp, obuf, 0, wrputs);
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} else {
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t = msend(mp, obuf, mflag, svputs);
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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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touch(mesg);
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dot = mp;
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lc += wr_linecount;
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cc += wr_charcount;
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if (flag & S_MARK)
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mp->m_flag |= MSAVED;
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}
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fflush(obuf);
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if (fferror(obuf))
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perror(file);
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fclose(obuf);
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if (!bnry) {
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printf("%s %ld/%ld\n", disp, lc, cc);
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} else {
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printf("%s binary/%ld\n", disp, cc);
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}
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}
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static int
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svputs(const char *line, FILE *obuf)
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{
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wr_linecount++;
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wr_charcount += strlen(line);
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return(fputs(line, obuf));
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}
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static int
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wrputs(const char *line, FILE *obuf)
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{
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/*
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* If this is a header 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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wr_inlines++;
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if (wr_inhead) {
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if (strcmp(line, "\n") == 0)
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wr_inhead = 0;
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return(0);
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}
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if (wr_inlines >= wr_maxlines && strcmp(line, "\n") == 0)
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return(0);
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wr_linecount++;
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wr_charcount += strlen(line);
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return(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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int
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swrite(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(gettext("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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savemsglist(file, msgvec, S_MARK|S_NOHEADER);
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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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/*
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* The following definitions are used to characterize the syntactic
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* category of the preceding character in the following parse procedure.
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* The variable pc_type assumes these values.
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*/
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#define SN_DELIM 1 /* Delimiter (<blank> or line beginning) */
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#define SN_TOKEN 2 /* A part of a token */
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#define SN_QUOTE 4 /* An entire quoted string (ie, "...") */
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char *
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snarf(char linebuf[], int *flag, int erf)
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{
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register char *p; /* utility pointer */
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register char qc; /* quotation character to match */
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register unsigned int pc_type; /* preceding character type */
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register char *tok_beg; /* beginning of last token */
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register char *tok_end; /* end of last token */
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char *line_beg; /* beginning of line, after */
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/* leading whitespace */
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/*
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* Skip leading whitespace.
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*/
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for (line_beg = linebuf;
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*line_beg && any(*line_beg, " \t");
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line_beg++) {
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/* empty body */
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}
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if (!*line_beg) {
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if (erf) {
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printf(gettext("No file specified\n."));
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}
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*flag = 0;
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return(NOSTR);
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}
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/*
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* Process line from left-to-right, 1 char at a time.
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*/
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for (pc_type = SN_DELIM, tok_beg = tok_end = NOSTR, p = line_beg;
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*p != '\0'; ) {
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if (any(*p, " \t")) {
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/* This character is a DELIMITER */
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if (pc_type & (SN_TOKEN|SN_QUOTE)) {
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tok_end = p - 1;
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}
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pc_type = SN_DELIM;
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p++;
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} else if ((qc = *p) == '"' || qc == '\'') {
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/* This character is a QUOTE character */
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if (pc_type == SN_TOKEN) {
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/* embedded quotation symbols are simply */
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/* token characters. */
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p++;
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continue;
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}
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/* Search for the matching QUOTE character */
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for (tok_beg = p, tok_end = NOSTR, p++;
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*p != '\0' && *p != qc;
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p++) {
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if (*p == '\\' && *(p+1) == qc) {
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p++;
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}
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}
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if (*p == '\0') {
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printf(gettext("Syntax error: missing "
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"%c.\n"), qc);
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*flag = -1;
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return(NOSTR);
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}
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tok_end = p;
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pc_type = SN_QUOTE;
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p++;
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} else {
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/* This character should be a TOKEN character */
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if (pc_type & (SN_DELIM|SN_TOKEN)) {
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if (pc_type & SN_DELIM) {
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tok_beg = p;
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tok_end = NOSTR;
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}
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} else {
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printf(gettext("improper quotes"
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" at \"%s\".\n"), p);
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*flag = -1;
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return(NOSTR);
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}
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if (*p == '\\' && *++p == '\0') {
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printf(gettext("\'\\\' at "
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"end of line.\n"));
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*flag = -1;
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return(NOSTR);
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}
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pc_type = SN_TOKEN;
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p++;
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}
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}
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if (pc_type == SN_TOKEN) {
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tok_end = p - 1;
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}
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if (tok_beg != NOSTR && tok_end != NOSTR) {
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if (tok_beg == line_beg) {
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*flag = 0;
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} else {
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tok_beg[-1] = '\0';
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*flag = 1;
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}
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tok_end[1] = '\0';
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return(tok_beg);
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} else {
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if (erf) {
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printf(gettext("No file specified\n."));
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}
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*flag = 0;
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return(NOSTR);
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}
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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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int
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deltype(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(gettext("At EOF\n"));
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return(0);
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}
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else {
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printf(gettext("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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*/
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int
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delm(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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|
|
|
/*
|
|
* Following can't happen -- it keeps lint happy
|
|
*/
|
|
|
|
return(-1);
|
|
}
|
|
|
|
/*
|
|
* Undelete the indicated messages.
|
|
*/
|
|
int
|
|
undelete(int *msgvec)
|
|
{
|
|
register struct message *mp;
|
|
register *ip, mesg;
|
|
|
|
for (ip = msgvec; ip-msgvec < msgCount; ip++) {
|
|
mesg = *ip;
|
|
if (mesg == 0)
|
|
return(0);
|
|
touch(mesg);
|
|
mp = &message[mesg-1];
|
|
dot = mp;
|
|
mp->m_flag &= ~MDELETED;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Add the given header fields to the retained list.
|
|
* If no arguments, print the current list of retained fields.
|
|
*/
|
|
int
|
|
retfield(char *list[])
|
|
{
|
|
char field[BUFSIZ];
|
|
register int h;
|
|
register struct ignore *igp;
|
|
char **ap;
|
|
|
|
if (argcount(list) == 0)
|
|
return(retshow());
|
|
for (ap = list; *ap != 0; ap++) {
|
|
istrcpy(field, *ap);
|
|
|
|
if (member(field, retain))
|
|
continue;
|
|
|
|
h = hash(field);
|
|
igp = (struct ignore *) calloc(1, sizeof (struct ignore));
|
|
igp->i_field = (char *)calloc(strlen(field) + 1, sizeof (char));
|
|
strcpy(igp->i_field, field);
|
|
igp->i_link = retain[h];
|
|
retain[h] = igp;
|
|
nretained++;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Print out all currently retained fields.
|
|
*/
|
|
static int
|
|
retshow(void)
|
|
{
|
|
register int h, count;
|
|
struct ignore *igp;
|
|
char **ap, **ring;
|
|
|
|
count = 0;
|
|
for (h = 0; h < HSHSIZE; h++)
|
|
for (igp = retain[h]; igp != 0; igp = igp->i_link)
|
|
count++;
|
|
if (count == 0) {
|
|
printf(gettext("No fields currently being retained.\n"));
|
|
return(0);
|
|
}
|
|
ring = (char **) salloc((count + 1) * sizeof (char *));
|
|
ap = ring;
|
|
for (h = 0; h < HSHSIZE; h++)
|
|
for (igp = retain[h]; igp != 0; igp = igp->i_link)
|
|
*ap++ = igp->i_field;
|
|
*ap = 0;
|
|
qsort(ring, count, sizeof (char *), igcomp);
|
|
for (ap = ring; *ap != 0; ap++)
|
|
printf("%s\n", *ap);
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Remove a list of fields from the retain list.
|
|
*/
|
|
int
|
|
unretfield(char *list[])
|
|
{
|
|
char **ap, field[BUFSIZ];
|
|
register int h, count = 0;
|
|
register struct ignore *ig1, *ig2;
|
|
|
|
if (argcount(list) == 0) {
|
|
for (h = 0; h < HSHSIZE; h++) {
|
|
ig1 = retain[h];
|
|
while (ig1) {
|
|
free(ig1->i_field);
|
|
ig2 = ig1->i_link;
|
|
free((char *) ig1);
|
|
ig1 = ig2;
|
|
count++;
|
|
}
|
|
retain[h] = NULL;
|
|
}
|
|
if (count == 0)
|
|
printf(gettext(
|
|
"No fields currently being retained.\n"));
|
|
nretained = 0;
|
|
return 0;
|
|
}
|
|
for (ap = list; *ap; ap++) {
|
|
istrcpy(field, *ap);
|
|
h = hash(field);
|
|
for (ig1 = retain[h]; ig1; ig2 = ig1, ig1 = ig1->i_link)
|
|
if (strcmp(ig1->i_field, field) == 0) {
|
|
if (ig1 == retain[h])
|
|
retain[h] = ig1->i_link;
|
|
else
|
|
ig2->i_link = ig1->i_link;
|
|
free(ig1->i_field);
|
|
free((char *) ig1);
|
|
nretained--;
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Add the given header fields to the ignored list.
|
|
* If no arguments, print the current list of ignored fields.
|
|
*/
|
|
int
|
|
igfield(char *list[])
|
|
{
|
|
char field[BUFSIZ];
|
|
register int h;
|
|
register struct ignore *igp;
|
|
char **ap;
|
|
|
|
if (argcount(list) == 0)
|
|
return(igshow());
|
|
for (ap = list; *ap != 0; ap++) {
|
|
if (isign(*ap, 0))
|
|
continue;
|
|
istrcpy(field, *ap);
|
|
h = hash(field);
|
|
igp = (struct ignore *) calloc(1, sizeof (struct ignore));
|
|
igp->i_field = (char *)calloc((unsigned) strlen(field) + 1,
|
|
sizeof (char));
|
|
strcpy(igp->i_field, field);
|
|
igp->i_link = ignore[h];
|
|
ignore[h] = igp;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Print out all currently ignored fields.
|
|
*/
|
|
static int
|
|
igshow(void)
|
|
{
|
|
register int h, count;
|
|
struct ignore *igp;
|
|
char **ap, **ring;
|
|
|
|
count = 0;
|
|
for (h = 0; h < HSHSIZE; h++)
|
|
for (igp = ignore[h]; igp != 0; igp = igp->i_link)
|
|
count++;
|
|
if (count == 0) {
|
|
printf(gettext("No fields currently being ignored.\n"));
|
|
return(0);
|
|
}
|
|
ring = (char **) salloc((count + 1) * sizeof (char *));
|
|
ap = ring;
|
|
for (h = 0; h < HSHSIZE; h++)
|
|
for (igp = ignore[h]; igp != 0; igp = igp->i_link)
|
|
*ap++ = igp->i_field;
|
|
*ap = 0;
|
|
qsort((char *) ring, (unsigned) count, sizeof (char *), igcomp);
|
|
for (ap = ring; *ap != 0; ap++)
|
|
printf("%s\n", *ap);
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Compare two names for sorting ignored field list.
|
|
*/
|
|
static int
|
|
igcomp(const void *l, const void *r)
|
|
{
|
|
return(strcmp(*(char **)l, *(char **)r));
|
|
}
|
|
|
|
/*
|
|
* Remove a list of fields from the ignore list.
|
|
*/
|
|
int
|
|
unigfield(char *list[])
|
|
{
|
|
char **ap, field[BUFSIZ];
|
|
register int h, count = 0;
|
|
register struct ignore *ig1, *ig2;
|
|
|
|
if (argcount(list) == 0) {
|
|
for (h = 0; h < HSHSIZE; h++) {
|
|
ig1 = ignore[h];
|
|
while (ig1) {
|
|
free(ig1->i_field);
|
|
ig2 = ig1->i_link;
|
|
free((char *) ig1);
|
|
ig1 = ig2;
|
|
count++;
|
|
}
|
|
ignore[h] = NULL;
|
|
}
|
|
if (count == 0)
|
|
printf(gettext("No fields currently being ignored.\n"));
|
|
return 0;
|
|
}
|
|
for (ap = list; *ap; ap++) {
|
|
istrcpy(field, *ap);
|
|
h = hash(field);
|
|
for (ig1 = ignore[h]; ig1; ig2 = ig1, ig1 = ig1->i_link)
|
|
if (strcmp(ig1->i_field, field) == 0) {
|
|
if (ig1 == ignore[h])
|
|
ignore[h] = ig1->i_link;
|
|
else
|
|
ig2->i_link = ig1->i_link;
|
|
free(ig1->i_field);
|
|
free((char *) ig1);
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|