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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [runtime/] [go-int-to-string.c] - Rev 848
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/* go-int-to-string.c -- convert an integer to a string in Go. Copyright 2009 The Go Authors. All rights reserved. Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. */ #include "go-string.h" #include "runtime.h" #include "arch.h" #include "malloc.h" struct __go_string __go_int_to_string (int v) { char buf[4]; int len; unsigned char *retdata; struct __go_string ret; if (v <= 0x7f) { buf[0] = v; len = 1; } else if (v <= 0x7ff) { buf[0] = 0xc0 + (v >> 6); buf[1] = 0x80 + (v & 0x3f); len = 2; } else { /* If the value is out of range for UTF-8, turn it into the "replacement character". */ if (v > 0x10ffff) v = 0xfffd; if (v <= 0xffff) { buf[0] = 0xe0 + (v >> 12); buf[1] = 0x80 + ((v >> 6) & 0x3f); buf[2] = 0x80 + (v & 0x3f); len = 3; } else { buf[0] = 0xf0 + (v >> 18); buf[1] = 0x80 + ((v >> 12) & 0x3f); buf[2] = 0x80 + ((v >> 6) & 0x3f); buf[3] = 0x80 + (v & 0x3f); len = 4; } } retdata = runtime_mallocgc (len, FlagNoPointers, 1, 0); __builtin_memcpy (retdata, buf, len); ret.__data = retdata; ret.__length = len; return ret; }
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