69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
/***
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*vwprintf.c - wprintf from a var args pointer
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*
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* Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* defines vwprintf() - print formatted data from an argument list pointer
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*
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*Revision History:
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* 05-16-92 KRS Created from vprintf.c
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*
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*******************************************************************************/
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#include <cruntime.h>
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#include <stdio.h>
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#include <wchar.h>
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#include <assert.h>
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#include <stdarg.h>
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#include <internal.h>
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#include <file2.h>
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#include <os2dll.h>
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/***
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*int vwprintf(format, ap) - print formatted data from an argument list pointer
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*
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*Purpose:
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* Prints formatted data items to stdout. Uses a pointer to a
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* variable length list of arguments instead of an argument list.
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*
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*Entry:
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* wchar_t *format - format string, describes data format to write
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* va_list ap - pointer to variable length arg list
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*
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*Exit:
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* returns number of wide characters written
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*
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*Exceptions:
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*
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*******************************************************************************/
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int _CALLTYPE1 vwprintf (
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const wchar_t *format,
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va_list ap
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)
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/*
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* stdout 'V'ariable, 'W'char_t 'PRINT', 'F'ormatted
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*/
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{
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REG1 FILE *stream = stdout;
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REG2 int buffing;
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REG3 int retval;
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#ifdef MTHREAD
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int index;
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#endif
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assert(format != NULL);
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#ifdef MTHREAD
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index = _iob_index(stream);
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#endif
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_lock_str(index);
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buffing = _stbuf(stream);
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retval = _woutput(stream, format, ap );
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_ftbuf(buffing, stream);
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_unlock_str(index);
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return(retval);
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}
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