Blame src/string/ntapi_tt_uintptr_to_hex_utf8.c

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/********************************************************/
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/*  ntapi: Native API core library                      */
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/*  Copyright (C) 2013--2017  Z. Gilboa                 */
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/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
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/********************************************************/
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#include <psxtypes/psxtypes.h>
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#include "ntapi_impl.h"
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static void __fastcall __ntapi_tt_uint_to_hex_utf8(
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	__in	const uint64_t	key,
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	__out	unsigned char *	buffer,
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	__in	unsigned	bits)
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{
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	unsigned	i;
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	uint32_t	hex_buf[4];
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	unsigned char *	hex_chars;
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	unsigned char *	uch;
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	unsigned	offset;
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	unsigned	bytes;
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	/* avoid using .rdata for that one */
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	hex_buf[0] = ('3' << 24) | ('2' << 16) | ('1' << 8) | '0';
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	hex_buf[1] = ('7' << 24) | ('6' << 16) | ('5' << 8) | '4';
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	hex_buf[2] = ('B' << 24) | ('A' << 16) | ('9' << 8) | '8';
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	hex_buf[3] = ('F' << 24) | ('E' << 16) | ('D' << 8) | 'C';
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	uch = (unsigned char *)&ke;;
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	hex_chars = (unsigned char *)&hex_buf;
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	bytes  = bits / 8;
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	offset = bits / 4;
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	for (i = 0; i < bytes; i++) {
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		buffer[offset - 1 - (i*2)] =	hex_chars[uch[i] % 16];
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		buffer[offset - 2 - (i*2)] =	hex_chars[uch[i] / 16];
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	}
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}
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void __fastcall __ntapi_tt_uint16_to_hex_utf8(
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	__in	const uint32_t	key,
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	__out	unsigned char *	buffer)
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{
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	__ntapi_tt_uint_to_hex_utf8(key,buffer,16);
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}
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void __fastcall __ntapi_tt_uint32_to_hex_utf8(
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	__in	const uint32_t	key,
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	__out	unsigned char *	buffer)
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{
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	__ntapi_tt_uint_to_hex_utf8(key,buffer,32);
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}
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void __fastcall __ntapi_tt_uint64_to_hex_utf8(
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	__in	const uint64_t	key,
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	__out	unsigned char *	buffer)
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{
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	__ntapi_tt_uint_to_hex_utf8(key,buffer,64);
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}
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void __fastcall __ntapi_tt_uintptr_to_hex_utf8(
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	__in	const uintptr_t	key,
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	__out	unsigned char *	buffer)
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{
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	#if (__SIZEOF_POINTER__ == 4)
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		__ntapi_tt_uint_to_hex_utf8(key,buffer,32);
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	#elif (__SIZEOF_POINTER__ == 8)
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		__ntapi_tt_uint_to_hex_utf8(key,buffer,64);
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	#endif
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}