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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
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File size:
512 bytes
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| 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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