From 4306fe798fc92e3a59c1dd3b020f6131c2e80ab4 Mon Sep 17 00:00:00 2001
From: kyab <kyossi212@gmail.com>
Date: Thu, 18 Jul 2013 00:14:03 +0900
Subject: Save mirb history when readline enabled

---
 mrbgems/mruby-bin-mirb/tools/mirb/mirb.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/mrbgems/mruby-bin-mirb/tools/mirb/mirb.c b/mrbgems/mruby-bin-mirb/tools/mirb/mirb.c
index eb7194f30..9f030c112 100644
--- a/mrbgems/mruby-bin-mirb/tools/mirb/mirb.c
+++ b/mrbgems/mruby-bin-mirb/tools/mirb/mirb.c
@@ -15,11 +15,19 @@
 #include <mruby/data.h>
 #include <mruby/compile.h>
 #ifdef ENABLE_READLINE
+#include <limits.h>
 #include <readline/readline.h>
 #include <readline/history.h>
 #endif
 #include <mruby/string.h>
 
+
+#ifdef ENABLE_READLINE
+static const char *history_file_name = ".mirb_history";
+char history_path[PATH_MAX];
+#endif
+
+
 static void
 p(mrb_state *mrb, mrb_value obj, int prompt)
 {
@@ -268,6 +276,16 @@ main(int argc, char **argv)
   if (args.verbose) cxt->dump_result = 1;
 
   ai = mrb_gc_arena_save(mrb);
+
+#ifdef ENABLE_READLINE
+  using_history();
+  strcpy(history_path, getenv("HOME"));
+  strcat(history_path, "/");
+  strcat(history_path, history_file_name);
+  read_history(history_path);
+#endif
+
+
   while (TRUE) {
 #ifndef ENABLE_READLINE
     print_cmdline(code_block_open);
@@ -361,5 +379,9 @@ main(int argc, char **argv)
   mrbc_context_free(mrb, cxt);
   mrb_close(mrb);
 
+#ifdef ENABLE_READLINE
+  write_history(history_path);
+#endif
+
   return 0;
 }
-- 
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