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. */
12 __go_int_to_string (int v)
16 unsigned char *retdata;
17 struct __go_string ret;
26 buf[0] = 0xc0 + (v >> 6);
27 buf[1] = 0x80 + (v & 0x3f);
32 /* If the value is out of range for UTF-8, turn it into the
33 "replacement character". */
39 buf[0] = 0xe0 + (v >> 12);
40 buf[1] = 0x80 + ((v >> 6) & 0x3f);
41 buf[2] = 0x80 + (v & 0x3f);
46 buf[0] = 0xf0 + (v >> 18);
47 buf[1] = 0x80 + ((v >> 12) & 0x3f);
48 buf[2] = 0x80 + ((v >> 6) & 0x3f);
49 buf[3] = 0x80 + (v & 0x3f);
54 retdata = runtime_mallocgc (len, RefNoPointers, 1, 0);
55 __builtin_memcpy (retdata, buf, len);