diff options
| -rw-r--r-- | src/libcore/str.rs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/libcore/str.rs b/src/libcore/str.rs index aaf10365983..ecb9827b85e 100644 --- a/src/libcore/str.rs +++ b/src/libcore/str.rs @@ -1066,15 +1066,15 @@ Safety note: FIXME: rename to 'substr_len_chars' */ fn char_len_range(s: str, byte_start: uint, byte_len: uint) -> uint { - let i = byte_start; + let i = byte_start; + let byte_stop = i + byte_len; let len = 0u; - while i < byte_len { + while i < byte_stop { let chsize = utf8_char_width(s[i]); assert (chsize > 0u); len += 1u; i += chsize; } - assert (i == byte_len); ret len; } |