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
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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:
604 bytes
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Line | |
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1 | #include <wchar.h>
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2 |
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3 | static const unsigned char table[] = {
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4 | #include "nonspacing.h"
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5 | };
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6 |
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7 | static const unsigned char wtable[] = {
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8 | #include "wide.h"
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9 | };
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10 |
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11 | int wcwidth(wchar_t wc)
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12 | {
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13 | if (wc < 0xffU)
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14 | return (wc+1 & 0x7f) >= 0x21 ? 1 : wc ? -1 : 0;
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15 | if ((wc & 0xfffeffffU) < 0xfffe) {
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16 | if ((table[table[wc>>8]*32+((wc&255)>>3)]>>(wc&7))&1)
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17 | return 0;
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18 | if ((wtable[wtable[wc>>8]*32+((wc&255)>>3)]>>(wc&7))&1)
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19 | return 2;
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20 | return 1;
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21 | }
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22 | if ((wc & 0xfffe) == 0xfffe)
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23 | return -1;
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24 | if (wc-0x20000U < 0x20000)
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25 | return 2;
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26 | if (wc == 0xe0001 || wc-0xe0020U < 0x5f || wc-0xe0100 < 0xef)
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27 | return 0;
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28 | return 1;
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29 | }
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