1 /* go-int-array-to-string.c -- convert an array of ints 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_array_to_string (const void* p, intgo len)
18 unsigned char *retdata;
22 ints = (const int32 *) p;
25 for (i = 0; i < len; ++i)
31 if (v < 0 || v > 0x10ffff)
44 retdata = runtime_mallocgc ((uintptr) slen, FlagNoPointers, 1, 0);
49 for (i = 0; i < len; ++i)
55 /* If V is out of range for UTF-8, substitute the replacement
57 if (v < 0 || v > 0x10ffff)
64 *s++ = 0xc0 | ((v >> 6) & 0x1f);
65 *s++ = 0x80 | (v & 0x3f);
69 *s++ = 0xe0 | ((v >> 12) & 0xf);
70 *s++ = 0x80 | ((v >> 6) & 0x3f);
71 *s++ = 0x80 | (v & 0x3f);
75 *s++ = 0xf0 | ((v >> 18) & 0x7);
76 *s++ = 0x80 | ((v >> 12) & 0x3f);
77 *s++ = 0x80 | ((v >> 6) & 0x3f);
78 *s++ = 0x80 | (v & 0x3f);
82 __go_assert (s - retdata == slen);