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43 lines
1,008 B
C
43 lines
1,008 B
C
/*
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* COPYRIGHT: GNU GPL, see COPYING in the top level directory
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* PROJECT: ReactOS crt library
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* FILE: lib/sdk/crt/printf/_snwprintf.c
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* PURPOSE: Implementation of _snwprintf
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* PROGRAMMER: Timo Kreuzer
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*/
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#include <stdio.h>
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#include <stdarg.h>
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int _cdecl wstreamout(FILE *stream, const wchar_t *format, va_list argptr);
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int
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__cdecl
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_snwprintf(
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wchar_t *buffer,
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size_t count,
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const wchar_t *format,
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...)
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{
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va_list argptr;
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int result;
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FILE stream;
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stream._base = (char*)buffer;
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stream._ptr = stream._base;
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stream._bufsiz = count * sizeof(wchar_t);
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stream._cnt = stream._bufsiz;
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stream._flag = _IOSTRG | _IOWRT;
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stream._tmpfname = 0;
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stream._charbuf = 0;
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va_start(argptr, format);
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result = wstreamout(&stream, format, argptr);
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va_end(argptr);
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/* Only zero terminate if there is enough space left */
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if (stream._cnt >= sizeof(wchar_t)) *(wchar_t*)stream._ptr = L'\0';
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return result;
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}
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