Last change
on this file since 362 was 337, checked in by coas-nagasima, 6 years ago |
ASP3版ECNLを追加
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-
Property svn:eol-style
set to
native
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Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
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File size:
810 bytes
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Rev | Line | |
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[337] | 1 | #include <stdlib.h>
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| 2 | #include <wchar.h>
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| 3 | #include <errno.h>
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| 4 | #include "internal.h"
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| 5 |
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| 6 | size_t wcrtomb(char *restrict s, wchar_t wc, mbstate_t *restrict st)
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| 7 | {
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| 8 | if (!s) return 1;
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| 9 | if ((unsigned)wc < 0x80) {
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| 10 | *s = wc;
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| 11 | return 1;
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| 12 | } else if (MB_CUR_MAX == 1) {
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| 13 | if (!IS_CODEUNIT(wc)) {
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| 14 | errno = EILSEQ;
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| 15 | return -1;
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| 16 | }
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| 17 | *s = wc;
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| 18 | return 1;
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| 19 | } else if ((unsigned)wc < 0x800) {
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| 20 | *s++ = 0xc0 | (wc>>6);
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| 21 | *s = 0x80 | (wc&0x3f);
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| 22 | return 2;
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| 23 | } else if ((unsigned)wc < 0xd800 || (unsigned)wc-0xe000 < 0x2000) {
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| 24 | *s++ = 0xe0 | (wc>>12);
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| 25 | *s++ = 0x80 | ((wc>>6)&0x3f);
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| 26 | *s = 0x80 | (wc&0x3f);
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| 27 | return 3;
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| 28 | } else if ((unsigned)wc-0x10000 < 0x100000) {
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| 29 | *s++ = 0xf0 | (wc>>18);
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| 30 | *s++ = 0x80 | ((wc>>12)&0x3f);
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| 31 | *s++ = 0x80 | ((wc>>6)&0x3f);
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| 32 | *s = 0x80 | (wc&0x3f);
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| 33 | return 4;
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| 34 | }
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| 35 | errno = EILSEQ;
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| 36 | return -1;
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| 37 | }
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