diff options
Diffstat (limited to 'libgo/runtime/go-int-to-string.c')
-rw-r--r-- | libgo/runtime/go-int-to-string.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/libgo/runtime/go-int-to-string.c b/libgo/runtime/go-int-to-string.c deleted file mode 100644 index d90b1dd..0000000 --- a/libgo/runtime/go-int-to-string.c +++ /dev/null @@ -1,69 +0,0 @@ -/* 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 "runtime.h" -#include "arch.h" -#include "malloc.h" - -String -__go_int_to_string (intgo v) -{ - char buf[4]; - int len; - unsigned char *retdata; - String ret; - - /* A negative value is not valid UTF-8; turn it into the replacement - character. */ - if (v < 0) - v = 0xfffd; - - 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 the value is a surrogate pair, which is invalid in UTF-8, - turn it into the replacement character. */ - if (v >= 0xd800 && v < 0xe000) - 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, 0, FlagNoScan); - __builtin_memcpy (retdata, buf, len); - ret.str = retdata; - ret.len = len; - - return ret; -} |