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-rw-r--r--mrbgems/mruby-test/driver.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mrbgems/mruby-test/driver.c b/mrbgems/mruby-test/driver.c
index da0d721d4..df9df9e42 100644
--- a/mrbgems/mruby-test/driver.c
+++ b/mrbgems/mruby-test/driver.c
@@ -66,6 +66,7 @@ t_printstr(mrb_state *mrb, mrb_value obj)
s = RSTRING_PTR(obj);
len = RSTRING_LEN(obj);
fwrite(s, len, 1, stdout);
+ fflush(stdout);
}
}