Function PgbsonToHexadecimalString

pg_documentdb_core/src/io/pgbson.c:169–187

* Converts a pgbson to a hexadecimal string representation. */

 * Converts a pgbson to a hexadecimal string representation.
 */
const char *
PgbsonToHexadecimalString(const pgbson *bsonDocument)
{
	size_t binarySize = VARSIZE_ANY_EXHDR(bsonDocument);
	size_t hexEncodedSize = binarySize * 2;
	size_t hexStringSize = hexEncodedSize + 1 + BsonHexPrefixLength; /* add \0 and prefix "BSONHEX"; */
	char *hexString = palloc(hexStringSize);

	memcpy(hexString, BsonHexPrefix, BsonHexPrefixLength);

	const char *pgbsonData = VARDATA_ANY(bsonDocument);

	uint64 hexStringActualSize = hex_encode(pgbsonData, binarySize,
											&hexString[BsonHexPrefixLength]);
	Assert(hexStringActualSize == hexEncodedSize);

	hexString[hexStringActualSize + BsonHexPrefixLength] = 0;
	return hexString;
}


/*