Last change
on this file since 445 was 444, checked in by coas-nagasima, 4 years ago |
muslのソースコードを追加
|
-
Property svn:eol-style
set to
native
-
Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
|
File size:
573 bytes
|
Line | |
---|
1 | #include <uchar.h>
|
---|
2 | #include <errno.h>
|
---|
3 | #include <wchar.h>
|
---|
4 |
|
---|
5 | size_t c16rtomb(char *restrict s, char16_t c16, mbstate_t *restrict ps)
|
---|
6 | {
|
---|
7 | static unsigned internal_state;
|
---|
8 | if (!ps) ps = (void *)&internal_state;
|
---|
9 | unsigned *x = (unsigned *)ps;
|
---|
10 | wchar_t wc;
|
---|
11 |
|
---|
12 | if (!s) {
|
---|
13 | if (*x) goto ilseq;
|
---|
14 | return 1;
|
---|
15 | }
|
---|
16 |
|
---|
17 | if (!*x && c16 - 0xd800u < 0x400) {
|
---|
18 | *x = c16 - 0xd7c0 << 10;
|
---|
19 | return 0;
|
---|
20 | }
|
---|
21 |
|
---|
22 | if (*x) {
|
---|
23 | if (c16 - 0xdc00u >= 0x400) goto ilseq;
|
---|
24 | else wc = *x + c16 - 0xdc00;
|
---|
25 | *x = 0;
|
---|
26 | } else {
|
---|
27 | wc = c16;
|
---|
28 | }
|
---|
29 | return wcrtomb(s, wc, 0);
|
---|
30 |
|
---|
31 | ilseq:
|
---|
32 | *x = 0;
|
---|
33 | errno = EILSEQ;
|
---|
34 | return -1;
|
---|
35 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.