Add support for command line editing and history.
Remove src/contrib/bind/bin/nslookup/commands.c as it is generated by lex from commands.l. Submitted by: lpc/cdcontrol patches originally by msmith. Reviewed by: msmith (in theory)
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=50039
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@ -95,12 +95,65 @@ static char sccsid[] = "@(#)commands.l 5.13 (Berkeley) 7/24/90";
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#include "port_before.h"
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#include <sys/types.h>
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#include <histedit.h>
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#include "port_after.h"
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#include "res.h"
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extern char rootServerName[];
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extern void PrintHelp();
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#define YY_INPUT(buf, result, max_size) \
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{ \
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nslookup_yy_input((char *)buf, &result, \
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max_size, yy_current_buffer->yy_is_interactive); \
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}
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const char *
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nslookup_prompt()
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{
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return ("> ");
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}
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int
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nslookup_yy_input(buf, result, max_size, intr)
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char * buf;
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int * result;
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int max_size;
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int intr;
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{
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static EditLine *el = NULL;
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static History *hist = NULL;
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int num = 0;
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const char *bp = NULL;
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if (intr) {
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if (!el) {
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el = el_init("nslookup", yyin, yyout);
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hist = history_init();
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history(hist, H_EVENT, 100);
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el_set(el, EL_HIST, history, hist);
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el_set(el, EL_EDITOR, "emacs");
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el_set(el, EL_PROMPT, nslookup_prompt);
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el_set(el, EL_SIGNAL, 1);
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}
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if ((bp = el_gets(el, &num)) == NULL || num == 0) {
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*result = 0;
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return;
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}
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*result = (num > max_size) ? max_size : num;
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strncpy(buf, bp, *result);
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history(hist, H_ENTER, bp);
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} else {
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if ( ((*result = fread( buf, 1, max_size, yyin )) == 0)
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&& ferror( yyin ) )
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yy_fatal_error( "input in flex scanner failed" );
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}
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return;
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}
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%}
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WS [ \t]
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FLET [A-Za-z0-9.*\\]
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@ -344,12 +344,7 @@ main(argc, argv)
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* Yylex returns 0 when ^D or 'exit' is typed.
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*/
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printf("> ");
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fflush(stdout);
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while(yylex()) {
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printf("> ");
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fflush(stdout);
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}
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while(yylex());
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}
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exit(0);
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}
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@ -1,4 +1,7 @@
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PROG= cdcontrol
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CFLAGS+= -Wall
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DPADD += ${LIBEDIT} ${LIBTERMCAP}
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LDADD += -ledit -ltermcap
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.include <bsd.prog.mk>
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@ -20,7 +20,7 @@
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#ifndef lint
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static const char rcsid[] =
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"$Id: cdcontrol.c,v 1.17 1998/01/26 00:57:54 jmz Exp $";
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"$Id: cdcontrol.c,v 1.18 1999/01/31 15:30:21 billf Exp $";
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#endif /* not lint */
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#include <ctype.h>
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@ -33,6 +33,7 @@ static const char rcsid[] =
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#include <sys/file.h>
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#include <sys/cdio.h>
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#include <sys/ioctl.h>
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#include <histedit.h>
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#define VERSION "2.0"
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@ -922,18 +923,48 @@ int status (int *trk, int *min, int *sec, int *frame)
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return s.data->header.audio_status;
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}
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char *input (int *cmd)
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const char *
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cdcontrol_prompt()
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{
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static char buf[80];
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return ("cdcontrol> ");
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}
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char *
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input (int *cmd)
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{
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#define MAXLINE 80
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static EditLine *el = NULL;
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static History *hist = NULL;
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static char buf[MAXLINE];
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int num = 0;
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const char *bp = NULL;
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char *p;
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do {
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if (verbose)
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fprintf (stderr, "cdcontrol> ");
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if (! fgets (buf, sizeof (buf), stdin)) {
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*cmd = CMD_QUIT;
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fprintf (stderr, "\r\n");
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return (0);
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if (verbose) {
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if (!el) {
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el = el_init("cdcontrol", stdin, stdout);
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hist = history_init();
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history(hist, H_EVENT, 100);
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el_set(el, EL_HIST, history, hist);
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el_set(el, EL_EDITOR, "emacs");
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el_set(el, EL_PROMPT, cdcontrol_prompt);
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el_set(el, EL_SIGNAL, 1);
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}
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if ((bp = el_gets(el, &num)) == NULL || num == 0)
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return (0);
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memcpy(buf, bp, (MAXLINE > num ? MAXLINE : num));
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buf[num] = 0;
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history(hist, H_ENTER, bp);
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#undef MAXLINE
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} else {
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if (! fgets (buf, sizeof (buf), stdin)) {
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*cmd = CMD_QUIT;
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fprintf (stderr, "\r\n");
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return (0);
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}
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}
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p = parse (buf, cmd);
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} while (! p);
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@ -1,5 +1,5 @@
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# From: @(#)Makefile 8.1 (Berkeley) 6/6/93
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# $Id: Makefile,v 1.4 1997/12/16 17:53:19 bde Exp $
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# $Id: Makefile,v 1.5 1998/03/07 09:47:57 bde Exp $
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PROG= lpc
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CFLAGS+=-I${.CURDIR}/../common_source ${CWARNFLAGS}
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@ -8,7 +8,7 @@ SRCS= lpc.c cmds.c cmdtab.c
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BINGRP= daemon
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BINMODE=2555
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.PATH: ${.CURDIR}/../common_source
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DPADD= ${LIBLPR}
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LDADD= ${LIBLPR}
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DPADD= ${LIBLPR} ${LIBEDIT} ${LIBTERMCAP}
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LDADD= ${LIBLPR} -ledit -ltermcap
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.include <bsd.prog.mk>
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@ -43,7 +43,7 @@ static const char copyright[] =
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static char sccsid[] = "@(#)lpc.c 8.3 (Berkeley) 4/28/95";
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#endif
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static const char rcsid[] =
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"$Id: lpc.c,v 1.7 1998/03/22 20:19:27 jb Exp $";
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"$Id: lpc.c,v 1.8 1998/09/11 18:49:31 wollman Exp $";
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#endif /* not lint */
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#include <sys/param.h>
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@ -59,6 +59,7 @@ static const char rcsid[] =
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#include <syslog.h>
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#include <string.h>
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#include <unistd.h>
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#include <histedit.h>
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#include "lp.h"
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#include "lpc.h"
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@ -79,13 +80,10 @@ static int fromatty;
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static char cmdline[MAX_CMDLINE];
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static int margc;
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static char *margv[MAX_MARGV];
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static int top;
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uid_t uid, euid;
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static jmp_buf toplevel;
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int main __P((int, char *[]));
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static void cmdscanner __P((int));
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static void cmdscanner __P((void));
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static struct cmd *getcmd __P((char *));
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static void intr __P((int));
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static void makeargv __P((void));
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@ -125,12 +123,10 @@ main(argc, argv)
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exit(0);
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}
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fromatty = isatty(fileno(stdin));
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top = setjmp(toplevel) == 0;
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if (top)
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if (!fromatty)
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signal(SIGINT, intr);
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for (;;) {
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cmdscanner(top);
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top = 1;
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cmdscanner();
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}
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}
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@ -138,32 +134,58 @@ static void
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intr(signo)
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int signo;
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{
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if (!fromatty)
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exit(0);
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longjmp(toplevel, 1);
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exit(0);
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}
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static char *
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lpc_prompt()
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{
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return("lpc> ");
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}
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/*
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* Command parser.
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*/
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static void
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cmdscanner(top)
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int top;
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cmdscanner()
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{
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register struct cmd *c;
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static EditLine *el = NULL;
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static History *hist = NULL;
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int num = 0;
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const char *bp = NULL;
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if (!top)
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putchar('\n');
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for (;;) {
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if (fromatty) {
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printf("lpc> ");
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fflush(stdout);
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if (!el) {
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el = el_init("lpc", stdin, stdout);
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hist = history_init();
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history(hist, H_EVENT, 100);
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el_set(el, EL_HIST, history, hist);
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el_set(el, EL_EDITOR, "emacs");
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el_set(el, EL_PROMPT, lpc_prompt);
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el_set(el, EL_SIGNAL, 1);
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}
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if ((bp = el_gets(el, &num)) == NULL || num == 0)
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return;
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memcpy(cmdline, bp, (MAX_CMDLINE > num ? MAX_CMDLINE : num));
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cmdline[num] = 0;
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history(hist, H_ENTER, bp);
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} else {
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if (fgets(cmdline, MAX_CMDLINE, stdin) == 0)
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quit(0, NULL);
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if (cmdline[0] == 0 || cmdline[0] == '\n')
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break;
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}
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if (fgets(cmdline, MAX_CMDLINE, stdin) == 0)
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quit(0, NULL);
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if (cmdline[0] == 0 || cmdline[0] == '\n')
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break;
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makeargv();
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if (margc == 0)
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continue;
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if (el_parse(el, margc, margv) != -1)
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continue;
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c = getcmd(margv[0]);
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if (c == (struct cmd *)-1) {
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printf("?Ambiguous command\n");
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@ -182,7 +204,6 @@ cmdscanner(top)
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else
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(*c->c_handler)(margc, margv);
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}
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longjmp(toplevel, 0);
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}
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static struct cmd *
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@ -1,4 +1,4 @@
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# $Id: Makefile,v 1.6 1998/05/03 05:14:56 peter Exp $
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# $Id: Makefile,v 1.7 1998/05/04 20:00:14 bde Exp $
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.include "${.CURDIR}/../named/Makefile.inc"
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@ -10,8 +10,8 @@ SRCS= main.c getinfo.c debug.c send.c skip.c list.c subr.c commands.l
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MAN8= nslookup.8
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CFLAGS+=-D_PATH_HELPFILE=\"${DESTHELP}/nslookup.help\"
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LDADD+= -ll
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DPADD+= ${LIBL}
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LDADD+= -ll -ledit -ltermcap
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DPADD+= ${LIBL} ${LIBEDIT} ${LIBTERMCAP}
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beforeinstall:
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${INSTALL} -c -o ${BINOWN} -g ${BINGRP} -m 444 \
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@ -1,11 +1,11 @@
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#
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# $Id: Makefile,v 1.8 1998/03/07 09:46:17 bde Exp $
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# $Id: Makefile,v 1.9 1998/03/19 15:12:05 bde Exp $
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#
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CFLAGS+= -I${.CURDIR}/../include
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DPADD= ${LIBNTP}
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LDADD= ${LIBNTP}
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DPADD= ${LIBNTP} ${LIBEDIT} ${LIBTERMCAP}
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LDADD= ${LIBNTP} -ledit -ltermcap
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PROG= xntpdc
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MAN8= ${.CURDIR}/../doc/xntpdc.8
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@ -8,6 +8,7 @@
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#include <sys/types.h>
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#include <sys/time.h>
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#include <netdb.h>
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#include <histedit.h>
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#include "ntpdc.h"
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#include "ntp_select.h"
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@ -210,7 +211,7 @@ int debug;
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/*
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* main - parse arguments and handle options
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*/
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void
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int
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main(argc, argv)
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int argc;
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char *argv[];
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@ -791,6 +792,11 @@ doquery(implcode, reqcode, auth, qitems, qsize, qdata, ritems, rsize, rdata,
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return res;
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}
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const char *
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xntpdc_prompt()
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{
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return (prompt);
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}
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/*
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* getcmds - read commands from the standard input and execute them
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@ -798,16 +804,34 @@ doquery(implcode, reqcode, auth, qitems, qsize, qdata, ritems, rsize, rdata,
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static void
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getcmds()
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{
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static EditLine *el = NULL;
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static History *hist = NULL;
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char line[MAXLINE];
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int num = 0;
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const char *bp = NULL;
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for (;;) {
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if (interactive) {
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(void) fputs(prompt, stderr);
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(void) fflush(stderr);
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}
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if (!el) {
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el = el_init("xntpdc", stdin, stdout);
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hist = history_init();
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history(hist, H_EVENT, 100);
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el_set(el, EL_HIST, history, hist);
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el_set(el, EL_EDITOR, "emacs");
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el_set(el, EL_PROMPT, xntpdc_prompt);
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el_set(el, EL_SIGNAL, 1);
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}
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if ((bp = el_gets(el, &num)) == NULL || num == 0)
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return;
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if (fgets(line, sizeof line, stdin) == NULL)
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return;
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memcpy(line, bp, (MAXLINE > num ? MAXLINE : num));
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line[num] = 0;
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history(hist, H_ENTER, bp);
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} else {
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if (fgets(line, sizeof line, stdin) == NULL)
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return;
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}
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docmd(line);
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}
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