1 /* go-int-to-string.c -- convert an integer to a string in Go.
3 Copyright 2009 The Go Authors. All rights reserved.
4 Use of this source code is governed by a BSD-style
5 license that can be found in the LICENSE file. */
13 __go_int_to_string (int v)
17 unsigned char *retdata;
18 struct __go_string ret;
27 buf[0] = 0xc0 + (v >> 6);
28 buf[1] = 0x80 + (v & 0x3f);
33 /* If the value is out of range for UTF-8, turn it into the
34 "replacement character". */
40 buf[0] = 0xe0 + (v >> 12);
41 buf[1] = 0x80 + ((v >> 6) & 0x3f);
42 buf[2] = 0x80 + (v & 0x3f);
47 buf[0] = 0xf0 + (v >> 18);
48 buf[1] = 0x80 + ((v >> 12) & 0x3f);
49 buf[2] = 0x80 + ((v >> 6) & 0x3f);
50 buf[3] = 0x80 + (v & 0x3f);
55 retdata = runtime_mallocgc (len, FlagNoPointers, 1, 0);
56 __builtin_memcpy (retdata, buf, len);