1 files changed, 125 insertions, 0 deletions
diff --git a/lib/readline/examples/histexamp.c b/lib/readline/examples/histexamp.c
new file mode 100644
index 0000000..3b43674
--- /dev/null
+++ b/lib/readline/examples/histexamp.c
@@ -0,0 +1,125 @@
+/* histexamp.c - history library example program. */
+
+/* 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/>.
+*/
+
+#include <stdio.h>
+
+#ifdef READLINE_LIBRARY
+#  include "history.h"
+#else
+#  include <readline/history.h>
+#endif
+
+#include <string.h>
+
+main (argc, argv)
+     int argc;
+     char **argv;
+{
+  char line[1024], *t;
+  int len, done;
+
+  line[0] = 0;
+  done = 0;
+
+  using_history ();
+  while (!done)
+    {
+      printf ("history$ ");
+      fflush (stdout);
+      t = fgets (line, sizeof (line) - 1, stdin);
+      if (t && *t)
+	{
+	  len = strlen (t);
+	  if (t[len - 1] == '\n')
+	    t[len - 1] = '\0';
+	}
+
+      if (!t)
+	strcpy (line, "quit");
+
+      if (line[0])
+	{
+	  char *expansion;
+	  int result;
+
+	  using_history ();
+
+	  result = history_expand (line, &expansion);
+	  if (result)
+	    fprintf (stderr, "%s\n", expansion);
+
+	  if (result < 0 || result == 2)
+	    {
+	      free (expansion);
+	      continue;
+	    }
+
+	  add_history (expansion);
+	  strncpy (line, expansion, sizeof (line) - 1);
+	  free (expansion);
+	}
+
+      if (strcmp (line, "quit") == 0)
+	done = 1;
+      else if (strcmp (line, "save") == 0)
+	write_history ("history_file");
+      else if (strcmp (line, "read") == 0)
+	read_history ("history_file");
+      else if (strcmp (line, "list") == 0)
+	{
+	  register HIST_ENTRY **the_list;
+	  register int i;
+	  time_t tt;
+	  char timestr[128];
+
+	  the_list = history_list ();
+	  if (the_list)
+	    for (i = 0; the_list[i]; i++)
+	      {
+	      	tt = history_get_time (the_list[i]);
+		if (tt)
+		  strftime (timestr, sizeof (timestr), "%a %R", localtime(&tt));
+		else
+		  strcpy (timestr, "??");
+	        printf ("%d: %s: %s\n", i + history_base, timestr, the_list[i]->line);
+	      }
+	}
+      else if (strncmp (line, "delete", 6) == 0)
+	{
+	  int which;
+	  if ((sscanf (line + 6, "%d", &which)) == 1)
+	    {
+	      HIST_ENTRY *entry = remove_history (which);
+	      if (!entry)
+		fprintf (stderr, "No such entry %d\n", which);
+	      else
+		{
+		  free (entry->line);
+		  free (entry);
+		}
+	    }
+	  else
+	    {
+	      fprintf (stderr, "non-numeric arg given to `delete'\n");
+	    }
+	}
+    }
+}