File manager - Edit - /usr/share/doc/readline-devel-6.2/rl.c
Back
/* * 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 <stdio.h> #include <sys/types.h> #ifdef HAVE_STDLIB_H # include <stdlib.h> #else extern void exit(); #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++; /* 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); }
| ver. 1.4 |
.
| PHP 7.3.33 | Generation time: 0 |
proxy
|
phpinfo
|
Settings