From 6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 17:38:56 +0200
Subject: Adding upstream version 5.2.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 lib/readline/examples/rl.c | 166 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 166 insertions(+)
 create mode 100644 lib/readline/examples/rl.c

(limited to 'lib/readline/examples/rl.c')

diff --git a/lib/readline/examples/rl.c b/lib/readline/examples/rl.c
new file mode 100644
index 0000000..39e5b8e
--- /dev/null
+++ b/lib/readline/examples/rl.c
@@ -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);
+}
-- 
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