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/* _PDCLIB_bigint_tostring( _PDCLIB_bigint_t const *, char * )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#ifndef REGTEST
#include "pdclib/_PDCLIB_internal.h"
#include <inttypes.h>
#include <stdio.h>
#include <string.h>
char * _PDCLIB_bigint_tostring( _PDCLIB_bigint_t const * _PDCLIB_restrict value, char * _PDCLIB_restrict buffer )
{
char * rc = buffer;
strcpy( buffer, "0x" );
buffer += 2;
if ( value->size > 0 )
{
int i;
for ( i = value->size - 1; i >= 0; --i )
{
sprintf( buffer, "%08" PRIxLEAST32, value->data[i] );
buffer += 8;
}
}
else
{
strcpy( buffer, "00000000" );
}
return rc;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
#ifndef REGTEST
_PDCLIB_bigint_t value;
char buffer[ _PDCLIB_BIGINT_CHARS ];
_PDCLIB_bigint32( &value, 0 );
TESTCASE( strcmp( _PDCLIB_bigint_tostring( &value, buffer ), "0x00000000" ) == 0 );
_PDCLIB_bigint32( &value, UINT32_C( 0x12345678 ) );
TESTCASE( strcmp( _PDCLIB_bigint_tostring( &value, buffer ), "0x12345678" ) == 0 );
_PDCLIB_bigint64( &value, UINT64_C( 0x90abcdef12345678 ) );
TESTCASE( strcmp( _PDCLIB_bigint_tostring( &value, buffer ), "0x90abcdef12345678" ) == 0 );
#endif
return TEST_RESULTS;
}
#endif
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