Adding upstream version 5.2.37.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
This commit is contained in:
parent
cf91100bce
commit
fa1b3d3922
1435 changed files with 757174 additions and 0 deletions
166
lib/readline/examples/rl.c
Normal file
166
lib/readline/examples/rl.c
Normal file
|
@ -0,0 +1,166 @@
|
|||
/*
|
||||
* rl - command-line interface to read a line from the standard input
|
||||
* (or another fd) using readline.
|
||||
*
|
||||
* usage: rl [-p prompt] [-u unit] [-d default] [-n nchars]
|
||||
*/
|
||||
|
||||
/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of the GNU Readline Library (Readline), a library for
|
||||
reading lines of text with interactive input and history editing.
|
||||
|
||||
Readline is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
Readline is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with Readline. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#if defined (HAVE_CONFIG_H)
|
||||
# include <config.h>
|
||||
#endif
|
||||
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#ifdef HAVE_STDLIB_H
|
||||
# include <stdlib.h>
|
||||
#else
|
||||
extern void exit();
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_LOCALE_H
|
||||
# include <locale.h>
|
||||
#endif
|
||||
|
||||
#if defined (READLINE_LIBRARY)
|
||||
# include "posixstat.h"
|
||||
# include "readline.h"
|
||||
# include "history.h"
|
||||
#else
|
||||
# include <sys/stat.h>
|
||||
# include <readline/readline.h>
|
||||
# include <readline/history.h>
|
||||
#endif
|
||||
|
||||
extern int optind;
|
||||
extern char *optarg;
|
||||
|
||||
#if !defined (strchr) && !defined (__STDC__)
|
||||
extern char *strrchr();
|
||||
#endif
|
||||
|
||||
static char *progname;
|
||||
static char *deftext;
|
||||
|
||||
static int
|
||||
set_deftext ()
|
||||
{
|
||||
if (deftext)
|
||||
{
|
||||
rl_insert_text (deftext);
|
||||
deftext = (char *)NULL;
|
||||
rl_startup_hook = (rl_hook_func_t *)NULL;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
usage()
|
||||
{
|
||||
fprintf (stderr, "%s: usage: %s [-p prompt] [-u unit] [-d default] [-n nchars]\n",
|
||||
progname, progname);
|
||||
}
|
||||
|
||||
int
|
||||
main (argc, argv)
|
||||
int argc;
|
||||
char **argv;
|
||||
{
|
||||
char *temp, *prompt;
|
||||
struct stat sb;
|
||||
int opt, fd, nch;
|
||||
FILE *ifp;
|
||||
|
||||
progname = strrchr(argv[0], '/');
|
||||
if (progname == 0)
|
||||
progname = argv[0];
|
||||
else
|
||||
progname++;
|
||||
|
||||
#ifdef HAVE_SETLOCALE
|
||||
setlocale (LC_ALL, "");
|
||||
#endif
|
||||
|
||||
/* defaults */
|
||||
prompt = "readline$ ";
|
||||
fd = nch = 0;
|
||||
deftext = (char *)0;
|
||||
|
||||
while ((opt = getopt(argc, argv, "p:u:d:n:")) != EOF)
|
||||
{
|
||||
switch (opt)
|
||||
{
|
||||
case 'p':
|
||||
prompt = optarg;
|
||||
break;
|
||||
case 'u':
|
||||
fd = atoi(optarg);
|
||||
if (fd < 0)
|
||||
{
|
||||
fprintf (stderr, "%s: bad file descriptor `%s'\n", progname, optarg);
|
||||
exit (2);
|
||||
}
|
||||
break;
|
||||
case 'd':
|
||||
deftext = optarg;
|
||||
break;
|
||||
case 'n':
|
||||
nch = atoi(optarg);
|
||||
if (nch < 0)
|
||||
{
|
||||
fprintf (stderr, "%s: bad value for -n: `%s'\n", progname, optarg);
|
||||
exit (2);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
usage ();
|
||||
exit (2);
|
||||
}
|
||||
}
|
||||
|
||||
if (fd != 0)
|
||||
{
|
||||
if (fstat (fd, &sb) < 0)
|
||||
{
|
||||
fprintf (stderr, "%s: %d: bad file descriptor\n", progname, fd);
|
||||
exit (1);
|
||||
}
|
||||
ifp = fdopen (fd, "r");
|
||||
rl_instream = ifp;
|
||||
}
|
||||
|
||||
if (deftext && *deftext)
|
||||
rl_startup_hook = set_deftext;
|
||||
|
||||
if (nch > 0)
|
||||
rl_num_chars_to_read = nch;
|
||||
|
||||
temp = readline (prompt);
|
||||
|
||||
/* Test for EOF. */
|
||||
if (temp == 0)
|
||||
exit (1);
|
||||
|
||||
printf ("%s\n", temp);
|
||||
exit (0);
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue