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52 lines
1 KiB
C
52 lines
1 KiB
C
#include <windows.h>
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#include <msvcrt/stdlib.h>
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#include <msvcrt/ctype.h>
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#if 1
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int mbtowc(wchar_t *dst, const char *str, size_t n)
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{
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// printf("\t\t\tmbtowc(%p, %p, %d) called.\n", dst, str, n);
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if (n <= 0 || !str)
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return 0;
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*dst = *str;
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if (!*str)
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return 0;
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return 1;
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}
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#else
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int mbtowc(wchar_t *dst, const char *str, size_t n)
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{
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if (n <= 0 || !str)
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return 0;
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if (!MultiByteToWideChar(CP_ACP, 0, str, n, dst, (dst == NULL) ? 0 : 1)) {
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DWORD err = GetLastError();
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switch (err) {
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case ERROR_INSUFFICIENT_BUFFER:
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break;
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case ERROR_INVALID_FLAGS:
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break;
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case ERROR_INVALID_PARAMETER:
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break;
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case ERROR_NO_UNICODE_TRANSLATION:
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break;
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default:
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return 1;
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}
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return -1;
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}
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/* return the number of bytes from src that have been used */
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if (!*str)
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return 0;
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if (n >= 2 && isleadbyte(*str) && str[1])
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return 2;
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return 1;
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}
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#endif
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