godot/thirdparty/icu4c/common/udataswp.cpp

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*
*   Copyright (C) 2003-2014, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
*******************************************************************************
*   file name:  udataswp.c
*   encoding:   UTF-8
*   tab size:   8 (not used)
*   indentation:4
*
*   created on: 2003jun05
*   created by: Markus W. Scherer
*
*   Definitions for ICU data transformations for different platforms,
*   changing between big- and little-endian data and/or between
*   charset families (ASCII<->EBCDIC).
*/

#include <stdarg.h>
#include "unicode/utypes.h"
#include "unicode/udata.h" /* UDataInfo */
#include "ucmndata.h" /* DataHeader */
#include "cmemory.h"
#include "udataswp.h"

/* swapping primitives ------------------------------------------------------ */

static int32_t U_CALLCONV
uprv_swapArray16(const UDataSwapper *ds,
                 const void *inData, int32_t length, void *outData,
                 UErrorCode *pErrorCode) { … }

static int32_t U_CALLCONV
uprv_copyArray16(const UDataSwapper *ds,
                 const void *inData, int32_t length, void *outData,
                 UErrorCode *pErrorCode) { … }

static int32_t U_CALLCONV
uprv_swapArray32(const UDataSwapper *ds,
                 const void *inData, int32_t length, void *outData,
                 UErrorCode *pErrorCode) { … }

static int32_t U_CALLCONV
uprv_copyArray32(const UDataSwapper *ds,
                 const void *inData, int32_t length, void *outData,
                 UErrorCode *pErrorCode) { … }

static int32_t U_CALLCONV
uprv_swapArray64(const UDataSwapper *ds,
                 const void *inData, int32_t length, void *outData,
                 UErrorCode *pErrorCode) { … }

static int32_t U_CALLCONV
uprv_copyArray64(const UDataSwapper *ds,
                 const void *inData, int32_t length, void *outData,
                 UErrorCode *pErrorCode) { … }

static uint16_t U_CALLCONV
uprv_readSwapUInt16(uint16_t x) { … }

static uint16_t U_CALLCONV
uprv_readDirectUInt16(uint16_t x) { … }

static uint32_t U_CALLCONV
uprv_readSwapUInt32(uint32_t x) { … }

static uint32_t U_CALLCONV
uprv_readDirectUInt32(uint32_t x) { … }

static void U_CALLCONV
uprv_writeSwapUInt16(uint16_t *p, uint16_t x) { … }

static void U_CALLCONV
uprv_writeDirectUInt16(uint16_t *p, uint16_t x) { … }

static void U_CALLCONV
uprv_writeSwapUInt32(uint32_t *p, uint32_t x) { … }

static void U_CALLCONV
uprv_writeDirectUInt32(uint32_t *p, uint32_t x) { … }

U_CAPI int16_t U_EXPORT2
udata_readInt16(const UDataSwapper *ds, int16_t x) { … }

U_CAPI int32_t U_EXPORT2
udata_readInt32(const UDataSwapper *ds, int32_t x) { … }

/**
 * Swap a block of invariant, NUL-terminated strings, but not padding
 * bytes after the last string.
 * @internal
 */
U_CAPI int32_t U_EXPORT2
udata_swapInvStringBlock(const UDataSwapper *ds,
                         const void *inData, int32_t length, void *outData,
                         UErrorCode *pErrorCode) { … }

U_CAPI void U_EXPORT2
udata_printError(const UDataSwapper *ds,
                 const char *fmt,
                 ...) { … }

/* swap a data header ------------------------------------------------------- */

U_CAPI int32_t U_EXPORT2
udata_swapDataHeader(const UDataSwapper *ds,
                     const void *inData, int32_t length, void *outData,
                     UErrorCode *pErrorCode) { … }

/* API functions ------------------------------------------------------------ */

U_CAPI UDataSwapper * U_EXPORT2
udata_openSwapper(UBool inIsBigEndian, uint8_t inCharset,
                  UBool outIsBigEndian, uint8_t outCharset,
                  UErrorCode *pErrorCode) { … }

U_CAPI UDataSwapper * U_EXPORT2
udata_openSwapperForInputData(const void *data, int32_t length,
                              UBool outIsBigEndian, uint8_t outCharset,
                              UErrorCode *pErrorCode) { … }

U_CAPI void U_EXPORT2
udata_closeSwapper(UDataSwapper *ds) { … }