/* * Copyright (c) 2009-2021, Google LLC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Google LLC nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef UPB_LEX_ROUND_TRIP_H_ #define UPB_LEX_ROUND_TRIP_H_ // Must be last. #include "upb/port/def.inc" // Encodes a float or double that is round-trippable, but as short as possible. // These routines are not fully optimal (not guaranteed to be shortest), but are // short-ish and match the implementation that has been used in protobuf since // the beginning. // The given buffer size must be at least kUpb_RoundTripBufferSize. enum { kUpb_RoundTripBufferSize = 32 }; #ifdef __cplusplus extern "C" { #endif void _upb_EncodeRoundTripDouble(double val, char* buf, size_t size); void _upb_EncodeRoundTripFloat(float val, char* buf, size_t size); #ifdef __cplusplus } /* extern "C" */ #endif #include "upb/port/undef.inc" #endif /* UPB_LEX_ROUND_TRIP_H_ */