From 3f6e8ffe64b57b0eaba6812208e94500422ca40c Mon Sep 17 00:00:00 2001
From: Jeffrey Yasskin <jyasskin@gmail.com>
Date: Sun, 25 Jul 2010 00:36:03 -0700
Subject: Implement _str.len() to return the number of bytes, rename it to
 byte_len(), and add a test.

---
 src/rt/rust_builtin.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/rt')

diff --git a/src/rt/rust_builtin.cpp b/src/rt/rust_builtin.cpp
index 657109c6..d8d9b8d6 100644
--- a/src/rt/rust_builtin.cpp
+++ b/src/rt/rust_builtin.cpp
@@ -115,6 +115,12 @@ str_buf(rust_task *task, rust_str *s)
     return (char const *)&s->data[0];
 }
 
+extern "C" CDECL size_t
+str_byte_len(rust_task *task, rust_str *s)
+{
+    return s->fill - 1;  // -1 for the '\0' terminator.
+}
+
 extern "C" CDECL void *
 vec_buf(rust_task *task, type_desc *ty, rust_vec *v, size_t offset)
 {
-- 
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