Last change
on this file since 352 was 352, checked in by coas-nagasima, 6 years ago |
arm向けASP3版ECNLを追加
|
-
Property svn:eol-style
set to
native
-
Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
|
File size:
874 bytes
|
Rev | Line | |
---|
[352] | 1 | #include <wchar.h>
|
---|
| 2 |
|
---|
| 3 | size_t wcsrtombs(char *restrict s, const wchar_t **restrict ws, size_t n, mbstate_t *restrict st)
|
---|
| 4 | {
|
---|
| 5 | const wchar_t *ws2;
|
---|
| 6 | char buf[4];
|
---|
| 7 | size_t N = n, l;
|
---|
| 8 | if (!s) {
|
---|
| 9 | for (n=0, ws2=*ws; *ws2; ws2++) {
|
---|
| 10 | if (*ws2 >= 0x80u) {
|
---|
| 11 | l = wcrtomb(buf, *ws2, 0);
|
---|
| 12 | if (!(l+1)) return -1;
|
---|
| 13 | n += l;
|
---|
| 14 | } else n++;
|
---|
| 15 | }
|
---|
| 16 | return n;
|
---|
| 17 | }
|
---|
| 18 | while (n>=4) {
|
---|
| 19 | if (**ws-1u >= 0x7fu) {
|
---|
| 20 | if (!**ws) {
|
---|
| 21 | *s = 0;
|
---|
| 22 | *ws = 0;
|
---|
| 23 | return N-n;
|
---|
| 24 | }
|
---|
| 25 | l = wcrtomb(s, **ws, 0);
|
---|
| 26 | if (!(l+1)) return -1;
|
---|
| 27 | s += l;
|
---|
| 28 | n -= l;
|
---|
| 29 | } else {
|
---|
| 30 | *s++ = **ws;
|
---|
| 31 | n--;
|
---|
| 32 | }
|
---|
| 33 | (*ws)++;
|
---|
| 34 | }
|
---|
| 35 | while (n) {
|
---|
| 36 | if (**ws-1u >= 0x7fu) {
|
---|
| 37 | if (!**ws) {
|
---|
| 38 | *s = 0;
|
---|
| 39 | *ws = 0;
|
---|
| 40 | return N-n;
|
---|
| 41 | }
|
---|
| 42 | l = wcrtomb(buf, **ws, 0);
|
---|
| 43 | if (!(l+1)) return -1;
|
---|
| 44 | if (l>n) return N-n;
|
---|
| 45 | wcrtomb(s, **ws, 0);
|
---|
| 46 | s += l;
|
---|
| 47 | n -= l;
|
---|
| 48 | } else {
|
---|
| 49 | *s++ = **ws;
|
---|
| 50 | n--;
|
---|
| 51 | }
|
---|
| 52 | (*ws)++;
|
---|
| 53 | }
|
---|
| 54 | return N;
|
---|
| 55 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.