143 lines
4.0 KiB
C
143 lines
4.0 KiB
C
/*
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* Copyright (c) Huawei Technologies Co., Ltd. 2014-2018. All rights reserved.
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* Description: By defining corresponding macro for UNICODE string and including "output.inl",
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* this file generates real underlying function used by printf family API.
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* Author: lishunda
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* Create: 2014-02-25
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*/
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/* If some platforms don't have wchar.h, dont't include it */
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#if !(defined(SECUREC_VXWORKS_PLATFORM))
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/* If there is no macro above, it will cause compiling alarm */
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#if defined(_MSC_VER) && (_MSC_VER >= 1400)
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#ifndef _CRTIMP_ALTERNATIVE
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#define _CRTIMP_ALTERNATIVE /* Comment microsoft *_s function */
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#endif
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#ifndef __STDC_WANT_SECURE_LIB__
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#define __STDC_WANT_SECURE_LIB__ 0
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#endif
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#endif
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#include <wchar.h>
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#endif
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/* Disable wchar func to clear vs warning */
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#define SECUREC_ENABLE_WCHAR_FUNC 0
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#define SECUREC_FORMAT_OUTPUT_INPUT 1
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#ifndef SECUREC_FOR_WCHAR
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#define SECUREC_FOR_WCHAR
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#endif
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#if defined(SECUREC_WARP_OUTPUT) && SECUREC_WARP_OUTPUT
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#undef SECUREC_WARP_OUTPUT
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#define SECUREC_WARP_OUTPUT 0
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#endif
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#include "secureprintoutput.h"
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#define SECUREC_CHAR(x) L ## x
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#define SECUREC_WRITE_MULTI_CHAR SecWriteMultiCharW
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#define SECUREC_WRITE_STRING SecWriteStringW
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SECUREC_INLINE void SecWriteCharW(wchar_t ch, SecPrintfStream *f, int *pnumwritten);
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SECUREC_INLINE void SecWriteMultiCharW(wchar_t ch, int num, SecPrintfStream *f, int *pnumwritten);
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SECUREC_INLINE void SecWriteStringW(const wchar_t *string, int len, SecPrintfStream *f, int *pnumwritten);
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SECUREC_INLINE int SecPutWcharStrEndingZero(SecPrintfStream *str, int zeroCount);
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#include "output.inl"
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/*
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* Wide character formatted output implementation
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*/
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int SecVswprintfImpl(wchar_t *string, size_t sizeInWchar, const wchar_t *format, va_list argList)
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{
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SecPrintfStream str;
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int retVal; /* If initialization causes e838 */
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str.cur = (char *)string;
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/* This count include \0 character, Must be greater than zero */
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str.count = (int)(sizeInWchar * sizeof(wchar_t));
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retVal = SecOutputSW(&str, format, argList);
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if (retVal >= 0 && SecPutWcharStrEndingZero(&str, (int)sizeof(wchar_t)) == 0) {
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return (retVal);
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} else if (str.count < 0) {
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/* The buffer was too small; we return truncation */
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string[sizeInWchar - 1] = L'\0';
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return SECUREC_PRINTF_TRUNCATE;
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}
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string[0] = L'\0';
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return -1;
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}
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/*
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* Output a wide character zero end into the SecPrintfStream structure
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*/
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SECUREC_INLINE int SecPutWcharStrEndingZero(SecPrintfStream *str, int zeroCount)
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{
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int i = 0;
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while (i < zeroCount && SecPutZeroChar(str) == 0) {
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++i;
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}
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if (i == zeroCount) {
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return 0;
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}
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return -1;
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}
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/*
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* Output a wide character into the SecPrintfStream structure
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*/
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SECUREC_INLINE int SecPutCharW(wchar_t ch, SecPrintfStream *f)
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{
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if (((f)->count -= (int)sizeof(wchar_t)) >= 0) {
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*(wchar_t *)(void *)(f->cur) = ch;
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f->cur += sizeof(wchar_t);
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return 0;
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}
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return -1;
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}
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/*
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* Output a wide character into the SecPrintfStream structure, returns the number of characters written
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*/
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SECUREC_INLINE void SecWriteCharW(wchar_t ch, SecPrintfStream *f, int *pnumwritten)
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{
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if (SecPutCharW(ch, f) == 0) {
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*pnumwritten = *pnumwritten + 1;
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} else {
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*pnumwritten = -1;
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}
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}
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/*
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* Output multiple wide character into the SecPrintfStream structure, returns the number of characters written
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*/
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SECUREC_INLINE void SecWriteMultiCharW(wchar_t ch, int num, SecPrintfStream *f, int *pnumwritten)
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{
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int count = num;
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while (count-- > 0) {
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SecWriteCharW(ch, f, pnumwritten);
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if (*pnumwritten == -1) {
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break;
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}
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}
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}
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/*
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* Output a wide string into the SecPrintfStream structure, returns the number of characters written
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*/
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SECUREC_INLINE void SecWriteStringW(const wchar_t *string, int len, SecPrintfStream *f, int *pnumwritten)
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{
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const wchar_t *str = string;
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int count = len;
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while (count-- > 0) {
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SecWriteCharW(*str, f, pnumwritten);
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++str;
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if (*pnumwritten == -1) {
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break;
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}
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}
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}
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