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Add libedit support to tftp.

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This commit is contained in:
Matthew N. Dodd 2001-10-19 00:23:07 +00:00
parent ce1e0bbc8f
commit c33ed45032
2 changed files with 46 additions and 8 deletions
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2
usr.bin/tftp/Makefile
View File

@ -1,6 +1,8 @@
# $FreeBSD$
# @(#)Makefile 8.1 (Berkeley) 6/6/93
PROG= tftp
SRCS= main.c tftp.c tftpsubs.c
LDADD= -ledit -ltermcap
.include <bsd.prog.mk>

52
usr.bin/tftp/main.c
View File

@ -70,10 +70,14 @@ static const char rcsid[] =
#include <string.h>
#include <unistd.h>
#include <histedit.h>
#include "extern.h"
#define TIMEOUT 5 /* secs between rexmt's */
#define MAXLINE 200
struct sockaddr_in peeraddr;
int f;
short port;
@ -81,10 +85,9 @@ int trace;
int verbose;
int connected;
char mode[32];
char line[200];
char line[MAXLINE];
int margc;
char *margv[20];
char *prompt = "tftp";
jmp_buf toplevel;
void intr();
struct servent *sp;
@ -589,6 +592,11 @@ tail(filename)
return (filename);
}
static const char *
command_prompt() {
return ("tftp> ");
}
/*
* Command parser.
*/
@ -597,14 +605,42 @@ command()
{
register struct cmd *c;
char *cp;
static EditLine *el = NULL;
static History *hist = NULL;
HistEvent he;
const char * bp;
int len, num;
int verbose;
verbose = isatty(0);
if (verbose) {
el = el_init("tftp", stdin, stdout, stderr);
hist = history_init();
history(hist, &he, H_EVENT, 100);
el_set(el, EL_HIST, history, hist);
el_set(el, EL_EDITOR, "emacs");
el_set(el, EL_PROMPT, command_prompt);
el_set(el, EL_SIGNAL, 1);
el_source(el, NULL);
}
for (;;) {
printf("%s> ", prompt);
if (fgets(line, sizeof line , stdin) == 0) {
if (feof(stdin)) {
exit(0);
} else {
continue;
if (verbose) {
if ((bp = el_gets(el, &num)) == NULL || num == 0)
exit(0);
len = (num > MAXLINE) ? MAXLINE : num;
memcpy(line, bp, len);
line[len] = '\0';
history(hist, &he, H_ENTER, bp);
} else {
if (fgets(line, sizeof line , stdin) == 0) {
if (feof(stdin)) {
exit(0);
} else {
continue;
}
}
}
if ((cp = strchr(line, '\n')))