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+/*
+ * Copyright (c) 2000, 2001 by the California Institute of Technology.
+ *
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons
+ * to whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+ * OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
+ * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Except as contained in this notice, the name of a copyright holder
+ * shall not be used in advertising or otherwise to promote the sale, use
+ * or other dealings in this Software without prior written authorization
+ * of the copyright holder.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include <errno.h>
+#include <locale.h>
+
+#include <unistd.h>
+#include <sys/stat.h>
+
+#include "libtecla.h"
+
+int main(int argc, char *argv[])
+{
+ char *line; /* A line of input */
+ GetLine *gl; /* The line editor */
+ int major,minor,micro; /* The version number of the library */
+/*
+ * Create the line editor, specifying a max line length of 500 bytes,
+ * and 10000 bytes to allocate to storage of historical input lines.
+ */
+ gl = new_GetLine(500, 5000);
+ if(!gl)
+ return 1;
+/*
+ * If the user has the LC_CTYPE or LC_ALL environment variables set,
+ * enable display of characters corresponding to the specified locale.
+ */
+ (void) setlocale(LC_CTYPE, "");
+/*
+ * Lookup and display the version number of the library.
+ */
+ libtecla_version(&major, &minor, &micro);
+ printf("Welcome to the demo program of libtecla version %d.%d.%d\n",
+ major, minor, micro);
+/*
+ * Load history.
+ */
+ (void) gl_load_history(gl, "~/.demo_history", "#");
+/*
+ * Read lines of input from the user and print them to stdout.
+ */
+ do {
+/*
+ * Get a new line from the user.
+ */
+ line = gl_get_line(gl, "$ ", NULL, 0);
+ if(!line)
+ break;
+/*
+ * Display what was entered.
+ */
+ if(printf("You entered: %s", line) < 0 || fflush(stdout))
+ break;
+/*
+ * If the user types "exit", quit the program.
+ */
+ if(strcmp(line, "exit\n")==0)
+ break;
+ else if(strcmp(line, "history\n")==0)
+ gl_show_history(gl, stdout, "%N %T %H\n", 0, -1);
+ else if(strcmp(line, "size\n")==0) {
+ GlTerminalSize size = gl_terminal_size(gl, 80, 24);
+ printf("Terminal size = %d columns x %d lines.\n", size.ncolumn,
+ size.nline);
+ };
+ } while(1);
+/*
+ * Save historical command lines.
+ */
+ (void) gl_save_history(gl, "~/.demo_history", "#", -1);
+/*
+ * Clean up.
+ */
+ gl = del_GetLine(gl);
+ return 0;
+}
+