From 875c3401a17f9264b83f5dd9c673cac1ca837e1a Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Fri, 4 Sep 2015 22:08:47 -0700
Subject: Bringing in Linenoise example.
* linenoise/example.c: New file.
---
linenoise/example.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 75 insertions(+)
create mode 100644 linenoise/example.c
(limited to 'linenoise/example.c')
diff --git a/linenoise/example.c b/linenoise/example.c
new file mode 100644
index 00000000..a5046fa3
--- /dev/null
+++ b/linenoise/example.c
@@ -0,0 +1,75 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "linenoise.h"
+
+typedef unsigned char mem_t;
+
+mem_t *chk_malloc(size_t n)
+{
+ return malloc(n);
+}
+
+mem_t *chk_realloc(mem_t *old, size_t size)
+{
+ return realloc(old, size);
+}
+
+void completion(const char *buf, lino_completions_t *lc) {
+ if (buf[0] == 'h') {
+ lino_add_completion(lc, "hello");
+ lino_add_completion(lc, "hello there");
+ }
+}
+
+int main(int argc, char **argv) {
+ char *line;
+ char *prgname = argv[0];
+
+ /* Parse options, with --multiline we enable multi line editing. */
+ while(argc > 1) {
+ argc--;
+ argv++;
+ if (!strcmp(*argv,"--multiline")) {
+ lino_set_multiline(1);
+ printf("Multi-line mode enabled.\n");
+ } else if (!strcmp(*argv,"--keycodes")) {
+ lino_print_keycodes();
+ exit(0);
+ } else {
+ fprintf(stderr, "Usage: %s [--multiline] [--keycodes]\n", prgname);
+ exit(1);
+ }
+ }
+
+ /* Set the completion callback. This will be called every time the
+ * user uses the <tab> key. */
+ lino_set_completion_cb(completion);
+
+ /* Load history from file. The history file is just a plain text file
+ * where entries are separated by newlines. */
+ lino_hist_load("history.txt"); /* Load the history at startup */
+
+ /* Now this is the main loop of the typical linenoise-based application.
+ * The call to linenoise() will block as long as the user types something
+ * and presses enter.
+ *
+ * The typed string is returned as a malloc() allocated string by
+ * linenoise, so the user needs to free() it. */
+ while((line = linenoise("hello> ")) != NULL) {
+ /* Do something with the string. */
+ if ((1 || line[0] != '\0') && line[0] != '/') {
+ printf("echo: '%s'\n", line);
+ lino_hist_add(line); /* Add to the history. */
+ lino_hist_save("history.txt"); /* Save the history on disk. */
+ } else if (!strncmp(line,"/historylen",11)) {
+ /* The "/historylen" command will change the history len. */
+ int len = atoi(line+11);
+ lino_hist_set_max_len(len);
+ } else if (line[0] == '/') {
+ printf("Unreconized command: %s\n", line);
+ }
+ free(line);
+ }
+ return 0;
+}
--
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