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[src/trunk]: src/usr.bin/ftp ftp: add -? for help. improve synopsis
details: https://anonhg.NetBSD.org/src/rev/eba05195de1e
branches: trunk
changeset: 936074:eba05195de1e
user: lukem <lukem%NetBSD.org@localhost>
date: Sat Jul 18 03:00:37 2020 +0000
description:
ftp: add -? for help. improve synopsis
Add -? to display usage synopsis and help to stdout.
This allows for "ftp -? | less", which is more user friendly.
Errors still show usage to stderr.
Consistency improvements in some usage text.
diffstat:
usr.bin/ftp/ftp.1 | 27 +++++++++--
usr.bin/ftp/main.c | 110 +++++++++++++++++++++++++++++++++++++------------
usr.bin/ftp/version.h | 4 +-
3 files changed, 106 insertions(+), 35 deletions(-)
diffs (280 lines):
diff -r effc938dd8ef -r eba05195de1e usr.bin/ftp/ftp.1
--- a/usr.bin/ftp/ftp.1 Fri Jul 17 21:59:30 2020 +0000
+++ b/usr.bin/ftp/ftp.1 Sat Jul 18 03:00:37 2020 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: ftp.1,v 1.141 2020/07/15 19:23:44 uwe Exp $
+.\" $NetBSD: ftp.1,v 1.142 2020/07/18 03:00:37 lukem Exp $
.\"
.\" Copyright (c) 1996-2020 The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -57,7 +57,7 @@
.\"
.\" @(#)ftp.1 8.3 (Berkeley) 10/9/94
.\"
-.Dd July 15, 2020
+.Dd July 18, 2020
.Dt FTP 1
.Os
.Sh NAME
@@ -65,7 +65,7 @@
.Nd Internet file transfer program
.Sh SYNOPSIS
.Nm
-.Op Fl 46AadefginpRtVv
+.Op Fl 46AadefginpRtVv?
.Op Fl N Ar netrc
.Op Fl o Ar output
.Op Fl P Ar port
@@ -121,7 +121,7 @@
.Ar host Oo Li \&: Ar port Oc
.Li / Ar path
.Op Li /
-.Op Li ;type= Ar X
+.Op Li ;type= Ar type
.Oc
.Sm on
.Ek
@@ -138,6 +138,19 @@
.Oc
.Sm on
.Ek
+.Bk -words
+.\" [https://[user[:password]@]host[:port]/path]
+.Sm off
+.Oo
+.Li https://
+.Oo Ar user
+.Op Li \&: Ar password
+.Li \&@ Oc
+.Ar host Oo Li \&: Ar port Oc
+.Li / Ar path
+.Oc
+.Sm on
+.Ek
.Ar \&...
.Nm
.Bk -words
@@ -316,6 +329,8 @@
Refer to
.Ic xferbuf
for more information.
+.It Fl ?
+Display help to stdout, and exit.
.El
.Pp
The client host with which
@@ -1581,10 +1596,10 @@
in the current directory.
Otherwise, the full remote name is used as the local name,
relative to the local root directory.
-.\" ftp://[user[:password]@]host[:port]/path[/][;type=X]
+.\" ftp://[user[:password]@]host[:port]/path[/][;type=type]
.It Li ftp:// Ns Oo Ar user Ns Oo Ns Li \&: Ns Ar password Oc Ns Li \&@ Oc \
Ns Ar host Ns Oo Li \&: Ns Ar port Oc Ns Li / Ns Ar path Ns Oo Li / Oc \
-Ns Oo Li ;type= Ns Ar X Oc
+Ns Oo Li ;type= Ns Ar type Oc
An
.Tn FTP
URL, retrieved using the
diff -r effc938dd8ef -r eba05195de1e usr.bin/ftp/main.c
--- a/usr.bin/ftp/main.c Fri Jul 17 21:59:30 2020 +0000
+++ b/usr.bin/ftp/main.c Sat Jul 18 03:00:37 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: main.c,v 1.126 2019/02/04 04:09:13 mrg Exp $ */
+/* $NetBSD: main.c,v 1.127 2020/07/18 03:00:37 lukem Exp $ */
/*-
* Copyright (c) 1996-2015 The NetBSD Foundation, Inc.
@@ -98,7 +98,7 @@
#if 0
static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 10/9/94";
#else
-__RCSID("$NetBSD: main.c,v 1.126 2019/02/04 04:09:13 mrg Exp $");
+__RCSID("$NetBSD: main.c,v 1.127 2020/07/18 03:00:37 lukem Exp $");
#endif
#endif /* not lint */
@@ -130,7 +130,8 @@
#define NO_PROXY "no_proxy" /* env var with list of non-proxied
* hosts, comma or space separated */
-__dead static void usage(void);
+static int usage(void);
+static int usage_help(void);
static void setupoption(const char *, const char *, const char *);
int
@@ -266,7 +267,7 @@
}
}
- while ((ch = getopt(argc, argv, "46AadefginN:o:pP:q:r:Rs:tT:u:vVx:")) != -1) {
+ while ((ch = getopt(argc, argv, "?46AadefginN:o:pP:q:r:Rs:tT:u:vVx:")) != -1) {
switch (ch) {
case '4':
family = AF_INET;
@@ -378,15 +379,15 @@
if (*cp == '\0') {
warnx("Bad throttle value `%s'",
optarg);
- usage();
- /* NOTREACHED */
+ return usage();
}
targv[targc++] = cp;
if (targc >= 5)
break;
}
- if (parserate(targc, targv, 1) == -1)
- usage();
+ if (parserate(targc, targv, 1) == -1) {
+ return usage();
+ }
free(oac);
break;
}
@@ -415,8 +416,14 @@
rcvbuf_size = sndbuf_size;
break;
+ case '?':
+ if (optopt == '?') {
+ return usage_help();
+ }
+ return usage();
+
default:
- usage();
+ errx(1, "unimplemented option -%c", ch);
}
}
/* set line buffering on ttyout */
@@ -572,8 +579,9 @@
retry_connect = 0; /* connected, stop hiding msgs */
}
}
- if (isupload)
- usage();
+ if (isupload) {
+ return usage();
+ }
#ifndef NO_EDITCOMPLETE
controlediting();
@@ -836,7 +844,6 @@
slrflag++;
INC_CHKCURSOR(stringbase);
return ((*sb == '!') ? bangstr : dollarstr);
- /* NOTREACHED */
case 1:
slrflag++;
altarg = stringbase;
@@ -965,7 +972,7 @@
cmd = argv[0];
isusage = (strcmp(cmd, "usage") == 0);
if (argc == 0 || (isusage && argc == 1)) {
- UPRINTF("usage: %s [command [...]]\n", cmd);
+ UPRINTF("usage: %s [command ...]\n", cmd);
return;
}
if (argc == 1) {
@@ -1044,20 +1051,69 @@
set_option(name, value ? value : defaultvalue, 0);
}
-void
+static void
+synopsis(FILE * stream)
+{
+ const char * progname = getprogname();
+
+ fprintf(stream,
+"usage: %s [-46AadefginpRtVv] [-N NETRC] [-o OUTPUT] [-P PORT] [-q QUITTIME]\n"
+" [-r RETRY] [-s SRCADDR] [-T DIR,MAX[,INC]] [-x XFERSIZE]\n"
+" [[USER@]HOST [PORT]]\n"
+" [[USER@]HOST:[PATH][/]]\n"
+" [file:///PATH]\n"
+" [ftp://[USER[:PASSWORD]@]HOST[:PORT]/PATH[/][;type=TYPE]]\n";
+" [http://[USER[:PASSWORD]@]HOST[:PORT]/PATH]\n";
+#ifdef WITH_SSL
+" [https://[USER[:PASSWORD]@]HOST[:PORT]/PATH]\n";
+#endif
+" ...\n"
+" %s -u URL FILE ...\n"
+" %s -?\n",
+ progname, progname, progname);
+}
+
+static int
+usage_help(void)
+{
+ synopsis(stdout);
+#ifndef NO_USAGE
+ printf(
+" -4 Only use IPv4 addresses\n"
+" -6 Only use IPv6 addresses\n"
+" -A Force active mode\n"
+" -a Use anonymous login\n"
+" -d Enable debugging\n"
+" -e Disable command-line editing\n"
+" -f Force cache reload for FTP or HTTP proxy transfers\n"
+" -g Disable file name globbing\n"
+" -i Disable interactive prompt during multiple file transfers\n"
+" -N NETRC Use NETRC instead of ~/.netrc\n"
+" -n Disable auto-login\n"
+" -o OUTPUT Save auto-fetched files to OUTPUT\n"
+" -P PORT Use port PORT\n"
+" -p Force passive mode\n"
+" -q QUITTIME Quit if connection stalls for QUITTIME seconds\n"
+" -R Restart non-proxy auto-fetch\n"
+" -r RETRY Retry failed connection attempts after RETRY seconds\n"
+" -s SRCADDR Use source address SRCADDR\n"
+" -t Enable packet tracing\n"
+" -T DIR,MAX[,INC]\n"
+" Set maximum transfer rate for direction DIR to MAX bytes/s,\n"
+" with optional increment INC bytes/s\n"
+" -u URL URL to upload file arguments to\n"
+" -V Disable verbose and progress\n"
+" -v Enable verbose and progress\n"
+" -x XFERSIZE Set socket send and receive size to XFERSIZE\n"
+" -? Display this help and exit\n"
+ );
+#endif
+ return EXIT_SUCCESS;
+}
+
+static int
usage(void)
{
- const char *progname = getprogname();
-
- (void)fprintf(stderr,
-"usage: %s [-46AadefginpRtVv] [-N netrc] [-o outfile] [-P port] [-q quittime]\n"
-" [-r retry] [-s srcaddr] [-T dir,max[,inc]] [-x xferbufsize]\n"
-" [[user@]host [port]] [host:path[/]] [file:///file]\n"
-" [ftp://[user[:pass]@]host[:port]/path[/]]\n";
-" [http://[user[:pass]@]host[:port]/path] [...]\n"
-#ifdef WITH_SSL
-" [https://[user[:pass]@]host[:port]/path] [...]\n"
-#endif
-" %s -u URL file [...]\n", progname, progname);
- exit(1);
+ synopsis(stderr);
+ return EXIT_FAILURE;
}
diff -r effc938dd8ef -r eba05195de1e usr.bin/ftp/version.h
--- a/usr.bin/ftp/version.h Fri Jul 17 21:59:30 2020 +0000
+++ b/usr.bin/ftp/version.h Sat Jul 18 03:00:37 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: version.h,v 1.90 2020/07/11 02:19:31 lukem Exp $ */
+/* $NetBSD: version.h,v 1.91 2020/07/18 03:00:37 lukem Exp $ */
/*-
* Copyright (c) 1999-2020 The NetBSD Foundation, Inc.
@@ -34,5 +34,5 @@
#endif
#ifndef FTP_VERSION
-#define FTP_VERSION "20200711"
+#define FTP_VERSION "20200718"
#endif
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