2 files changed, 17 insertions, 7 deletions

diff --git a/mrbgems/mruby-bin-mruby/bintest/mruby.rb b/mrbgems/mruby-bin-mruby/bintest/mruby.rb
index e8b4c6d0f..35a108a9d 100644
--- a/mrbgems/mruby-bin-mruby/bintest/mruby.rb
+++ b/mrbgems/mruby-bin-mruby/bintest/mruby.rb
@@ -19,7 +19,7 @@ assert('regression for #1572') do
   script, bin = Tempfile.new('test.rb'), Tempfile.new('test.mrb')
   File.write script.path, 'p "ok"'
   system "#{cmd('mrbc')} -g -o #{bin.path} #{script.path}"
-  o = `#{cmd('mruby')} -b #{bin.path}`.strip
+  o = `#{cmd('mruby')} #{bin.path}`.strip
   assert_equal '"ok"', o
 end
 
@@ -33,7 +33,7 @@ assert '$0 value' do
 
   # .mrb file
   `#{cmd('mrbc')} -o "#{bin.path}" "#{script.path}"`
-  assert_equal "\"#{bin.path}\"", `#{cmd('mruby')} -b "#{bin.path}"`.chomp
+  assert_equal "\"#{bin.path}\"", `#{cmd('mruby')} "#{bin.path}"`.chomp
 
   # one liner
   assert_equal '"-e"', `#{cmd('mruby')} -e #{shellquote('p $0')}`.chomp
@@ -48,7 +48,7 @@ assert('float literal') do
   script, bin = Tempfile.new('test.rb'), Tempfile.new('test.mrb')
   File.write script.path, 'p [3.21, 2e308.infinite?, -2e308.infinite?]'
   system "#{cmd('mrbc')} -g -o #{bin.path} #{script.path}"
-  assert_equal "[3.21, 1, -1]", `#{cmd('mruby')} -b #{bin.path}`.chomp!
+  assert_equal "[3.21, 1, -1]", `#{cmd('mruby')} #{bin.path}`.chomp!
 end
 
 assert '__END__', '8.6' do
diff --git a/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c b/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
index e9bd4c326..c60a0945b 100644
--- a/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
+++ b/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c
@@ -12,6 +12,11 @@
 #include <mruby/variable.h>
 #include <mruby/proc.h>
 
+#if defined(_WIN32) || defined(_WIN64)
+# include <io.h> /* for setmode */
+# include <fcntl.h>
+#endif
+
 struct _args {
   FILE *rfp;
   char *cmdline;
@@ -218,7 +223,7 @@ parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
     }
     else {
       args->rfp = strcmp(argv[0], "-") == 0 ?
-        stdin : fopen(argv[0], args->mrbfile ? "rb" : "r");
+        stdin : fopen(argv[0], "rb");
       if (args->rfp == NULL) {
         fprintf(stderr, "%s: Cannot open program file: %s\n", opts->program, argv[0]);
         return EXIT_FAILURE;
@@ -228,6 +233,11 @@ parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
       argc--; argv++;
     }
   }
+#if defined(_WIN32) || defined(_WIN64)
+  if (args->rfp == stdin) {
+    setmode(_fileno(stdin), O_BINARY);
+  }
+#endif
   args->argv = (char **)mrb_realloc(mrb, args->argv, sizeof(char*) * (argc + 1));
   memcpy(args->argv, argv, (argc+1) * sizeof(char*));
   args->argc = argc;
@@ -309,7 +319,7 @@ main(int argc, char **argv)
     /* Load libraries */
     for (i = 0; i < args.libc; i++) {
       struct REnv *e;
-      FILE *lfp = fopen(args.libv[i], args.mrbfile ? "rb" : "r");
+      FILE *lfp = fopen(args.libv[i], "rb");
       if (lfp == NULL) {
         fprintf(stderr, "%s: Cannot open library file: %s\n", *argv, args.libv[i]);
         mrbc_context_free(mrb, c);
@@ -320,7 +330,7 @@ main(int argc, char **argv)
         v = mrb_load_irep_file_cxt(mrb, lfp, c);
       }
       else {
-        v = mrb_load_file_cxt(mrb, lfp, c);
+        v = mrb_load_detect_file_cxt(mrb, lfp, c);
       }
       fclose(lfp);
       e = mrb->c->cibase->env;
@@ -334,7 +344,7 @@ main(int argc, char **argv)
       v = mrb_load_irep_file_cxt(mrb, args.rfp, c);
     }
     else if (args.rfp) {
-      v = mrb_load_file_cxt(mrb, args.rfp, c);
+      v = mrb_load_detect_file_cxt(mrb, args.rfp, c);
     }
     else {
       char* utf8 = mrb_utf8_from_locale(args.cmdline, -1);