Last change
on this file since 577 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
512 bytes
|
Line | |
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1 | #include <wchar.h> |
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2 | #include <stdlib.h> |
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3 | #include <stdio.h> |
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4 | #include <reent.h> |
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5 | #include <string.h> |
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6 | #include "local.h" |
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7 | |
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8 | wint_t |
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9 | btowc (int c) |
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10 | { |
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11 | mbstate_t mbs; |
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12 | int retval = 0; |
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13 | wchar_t pwc; |
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14 | unsigned char b; |
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15 | |
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16 | if (c == EOF) |
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17 | return WEOF; |
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18 | |
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19 | b = (unsigned char)c; |
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20 | |
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21 | /* Put mbs in initial state. */ |
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22 | memset (&mbs, '\0', sizeof (mbs)); |
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23 | |
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24 | _REENT_CHECK_MISC(_REENT); |
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25 | |
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26 | retval = __MBTOWC (_REENT, &pwc, (const char *) &b, 1, &mbs); |
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27 | |
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28 | if (retval != 0 && retval != 1) |
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29 | return WEOF; |
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30 | |
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31 | return (wint_t)pwc; |
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32 | } |
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