WAFirebaseImpl.git

3.8.5

lpw

2020-09-01 a6c01451f65c7fc139844333f37345283d5f4354

commit \| author \| age
a6c014	1	/* Common parts of the nanopb library. Most of these are quite low-level
L	2	* stuff. For the high-level interface, see pb_encode.h and pb_decode.h.
	3	*/
	4
	5	#ifndef PB_H_INCLUDED
	6	#define PB_H_INCLUDED
	7
	8	/*****************************************************************
	9	* Nanopb compilation time options. You can change these here by *
	10	* uncommenting the lines, or on the compiler command line. *
	11	*****************************************************************/
	12
	13	/* Enable support for dynamically allocated fields */
	14	/* #define PB_ENABLE_MALLOC 1 */
	15
	16	/* Define this if your CPU / compiler combination does not support
	17	* unaligned memory access to packed structures. */
	18	/* #define PB_NO_PACKED_STRUCTS 1 */
	19
	20	/* Increase the number of required fields that are tracked.
	21	* A compiler warning will tell if you need this. */
	22	/* #define PB_MAX_REQUIRED_FIELDS 256 */
	23
	24	/* Add support for tag numbers > 255 and fields larger than 255 bytes. */
	25	/* #define PB_FIELD_16BIT 1 */
	26
	27	/* Add support for tag numbers > 65536 and fields larger than 65536 bytes. */
	28	/* #define PB_FIELD_32BIT 1 */
	29
	30	/* Disable support for error messages in order to save some code space. */
	31	/* #define PB_NO_ERRMSG 1 */
	32
	33	/* Disable support for custom streams (support only memory buffers). */
	34	/* #define PB_BUFFER_ONLY 1 */
	35
	36	/* Switch back to the old-style callback function signature.
	37	* This was the default until nanopb-0.2.1. */
	38	/* #define PB_OLD_CALLBACK_STYLE */
	39
	40
	41	/* Don't encode scalar arrays as packed. This is only to be used when
	42	* the decoder on the receiving side cannot process packed scalar arrays.
	43	* Such example is older protobuf.js. */
	44	/* #define PB_ENCODE_ARRAYS_UNPACKED 1 */
	45
	46	/******************************************************************
	47	* You usually don't need to change anything below this line. *
	48	* Feel free to look around and use the defined macros, though. *
	49	******************************************************************/
	50
	51
	52	/* Version of the nanopb library. Just in case you want to check it in
	53	* your own program. */
	54	#define NANOPB_VERSION nanopb-0.3.9.6
	55
	56	/* Include all the system headers needed by nanopb. You will need the
	57	* definitions of the following:
	58	* - strlen, memcpy, memset functions
	59	* - [u]int_least8_t, uint_fast8_t, [u]int_least16_t, [u]int32_t, [u]int64_t
	60	* - size_t
	61	* - bool
	62	*
	63	* If you don't have the standard header files, you can instead provide
	64	* a custom header that defines or includes all this. In that case,
	65	* define PB_SYSTEM_HEADER to the path of this file.
	66	*/
	67	#ifdef PB_SYSTEM_HEADER
	68	#include PB_SYSTEM_HEADER
	69	#else
	70	#include <stdint.h>
	71	#include <stddef.h>
	72	#include <stdbool.h>
	73	#include <string.h>
	74
	75	#ifdef PB_ENABLE_MALLOC
	76	#include <stdlib.h>
	77	#endif
	78	#endif
	79
	80	/* Macro for defining packed structures (compiler dependent).
	81	* This just reduces memory requirements, but is not required.
	82	*/
	83	#if defined(PB_NO_PACKED_STRUCTS)
	84	/* Disable struct packing */
	85	# define PB_PACKED_STRUCT_START
	86	# define PB_PACKED_STRUCT_END
	87	# define pb_packed
	88	#elif defined(__GNUC__) \|\| defined(__clang__)
	89	/* For GCC and clang */
	90	# define PB_PACKED_STRUCT_START
	91	# define PB_PACKED_STRUCT_END
	92	# define pb_packed __attribute__((packed))
	93	#elif defined(__ICCARM__) \|\| defined(__CC_ARM)
	94	/* For IAR ARM and Keil MDK-ARM compilers */
	95	# define PB_PACKED_STRUCT_START _Pragma("pack(push, 1)")
	96	# define PB_PACKED_STRUCT_END _Pragma("pack(pop)")
	97	# define pb_packed
	98	#elif defined(_MSC_VER) && (_MSC_VER >= 1500)
	99	/* For Microsoft Visual C++ */
	100	# define PB_PACKED_STRUCT_START __pragma(pack(push, 1))
	101	# define PB_PACKED_STRUCT_END __pragma(pack(pop))
	102	# define pb_packed
	103	#else
	104	/* Unknown compiler */
	105	# define PB_PACKED_STRUCT_START
	106	# define PB_PACKED_STRUCT_END
	107	# define pb_packed
	108	#endif
	109
	110	/* Handly macro for suppressing unreferenced-parameter compiler warnings. */
	111	#ifndef PB_UNUSED
	112	#define PB_UNUSED(x) (void)(x)
	113	#endif
	114
	115	/* Compile-time assertion, used for checking compatible compilation options.
	116	* If this does not work properly on your compiler, use
	117	* #define PB_NO_STATIC_ASSERT to disable it.
	118	*
	119	* But before doing that, check carefully the error message / place where it
	120	* comes from to see if the error has a real cause. Unfortunately the error
	121	* message is not always very clear to read, but you can see the reason better
	122	* in the place where the PB_STATIC_ASSERT macro was called.
	123	*/
	124	#ifndef PB_NO_STATIC_ASSERT
	125	#ifndef PB_STATIC_ASSERT
	126	#define PB_STATIC_ASSERT(COND,MSG) typedef char PB_STATIC_ASSERT_MSG(MSG, __LINE__, __COUNTER__)[(COND)?1:-1];
	127	#define PB_STATIC_ASSERT_MSG(MSG, LINE, COUNTER) PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER)
	128	#define PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER) pb_static_assertion_##MSG##LINE##COUNTER
	129	#endif
	130	#else
	131	#define PB_STATIC_ASSERT(COND,MSG)
	132	#endif
	133
	134	/* Number of required fields to keep track of. */
	135	#ifndef PB_MAX_REQUIRED_FIELDS
	136	#define PB_MAX_REQUIRED_FIELDS 64
	137	#endif
	138
	139	#if PB_MAX_REQUIRED_FIELDS < 64
	140	#error You should not lower PB_MAX_REQUIRED_FIELDS from the default value (64).
	141	#endif
	142
	143	/* List of possible field types. These are used in the autogenerated code.
	144	* Least-significant 4 bits tell the scalar type
	145	* Most-significant 4 bits specify repeated/required/packed etc.
	146	*/
	147
	148	typedef uint_least8_t pb_type_t;
	149
	150	/** Field data types **/
	151
	152	/* Numeric types */
	153	#define PB_LTYPE_BOOL 0x00 /* bool */
	154	#define PB_LTYPE_VARINT 0x01 /* int32, int64, enum, bool */
	155	#define PB_LTYPE_UVARINT 0x02 /* uint32, uint64 */
	156	#define PB_LTYPE_SVARINT 0x03 /* sint32, sint64 */
	157	#define PB_LTYPE_FIXED32 0x04 /* fixed32, sfixed32, float */
	158	#define PB_LTYPE_FIXED64 0x05 /* fixed64, sfixed64, double */
	159
	160	/* Marker for last packable field type. */
	161	#define PB_LTYPE_LAST_PACKABLE 0x05
	162
	163	/* Byte array with pre-allocated buffer.
	164	* data_size is the length of the allocated PB_BYTES_ARRAY structure. */
	165	#define PB_LTYPE_BYTES 0x06
	166
	167	/* String with pre-allocated buffer.
	168	* data_size is the maximum length. */
	169	#define PB_LTYPE_STRING 0x07
	170
	171	/* Submessage
	172	* submsg_fields is pointer to field descriptions */
	173	#define PB_LTYPE_SUBMESSAGE 0x08
	174
	175	/* Extension pseudo-field
	176	* The field contains a pointer to pb_extension_t */
	177	#define PB_LTYPE_EXTENSION 0x09
	178
	179	/* Byte array with inline, pre-allocated byffer.
	180	* data_size is the length of the inline, allocated buffer.
	181	* This differs from PB_LTYPE_BYTES by defining the element as
	182	* pb_byte_t[data_size] rather than pb_bytes_array_t. */
	183	#define PB_LTYPE_FIXED_LENGTH_BYTES 0x0A
	184
	185	/* Number of declared LTYPES */
	186	#define PB_LTYPES_COUNT 0x0B
	187	#define PB_LTYPE_MASK 0x0F
	188
	189	/** Field repetition rules **/
	190
	191	#define PB_HTYPE_REQUIRED 0x00
	192	#define PB_HTYPE_OPTIONAL 0x10
	193	#define PB_HTYPE_REPEATED 0x20
	194	#define PB_HTYPE_ONEOF 0x30
	195	#define PB_HTYPE_MASK 0x30
	196
	197	/** Field allocation types **/
	198
	199	#define PB_ATYPE_STATIC 0x00
	200	#define PB_ATYPE_POINTER 0x80
	201	#define PB_ATYPE_CALLBACK 0x40
	202	#define PB_ATYPE_MASK 0xC0
	203
	204	#define PB_ATYPE(x) ((x) & PB_ATYPE_MASK)
	205	#define PB_HTYPE(x) ((x) & PB_HTYPE_MASK)
	206	#define PB_LTYPE(x) ((x) & PB_LTYPE_MASK)
	207
	208	/* Data type used for storing sizes of struct fields
	209	* and array counts.
	210	*/
	211	#if defined(PB_FIELD_32BIT)
	212	typedef uint32_t pb_size_t;
	213	typedef int32_t pb_ssize_t;
	214	#elif defined(PB_FIELD_16BIT)
	215	typedef uint_least16_t pb_size_t;
	216	typedef int_least16_t pb_ssize_t;
	217	#else
	218	typedef uint_least8_t pb_size_t;
	219	typedef int_least8_t pb_ssize_t;
	220	#endif
	221	#define PB_SIZE_MAX ((pb_size_t)-1)
	222
	223	/* Data type for storing encoded data and other byte streams.
	224	* This typedef exists to support platforms where uint8_t does not exist.
	225	* You can regard it as equivalent on uint8_t on other platforms.
	226	*/
	227	typedef uint_least8_t pb_byte_t;
	228
	229	/* This structure is used in auto-generated constants
	230	* to specify struct fields.
	231	* You can change field sizes if you need structures
	232	* larger than 256 bytes or field tags larger than 256.
	233	* The compiler should complain if your .proto has such
	234	* structures. Fix that by defining PB_FIELD_16BIT or
	235	* PB_FIELD_32BIT.
	236	*/
	237	PB_PACKED_STRUCT_START
	238	typedef struct pb_field_s pb_field_t;
	239	struct pb_field_s {
	240	pb_size_t tag;
	241	pb_type_t type;
	242	pb_size_t data_offset; /* Offset of field data, relative to previous field. */
	243	pb_ssize_t size_offset; /* Offset of array size or has-boolean, relative to data */
	244	pb_size_t data_size; /* Data size in bytes for a single item */
	245	pb_size_t array_size; /* Maximum number of entries in array */
	246
	247	/* Field definitions for submessage
	248	* OR default value for all other non-array, non-callback types
	249	* If null, then field will zeroed. */
	250	const void *ptr;
	251	} pb_packed;
	252	PB_PACKED_STRUCT_END
	253
	254	/* Make sure that the standard integer types are of the expected sizes.
	255	* Otherwise fixed32/fixed64 fields can break.
	256	*
	257	* If you get errors here, it probably means that your stdint.h is not
	258	* correct for your platform.
	259	*/
	260	#ifndef PB_WITHOUT_64BIT
	261	PB_STATIC_ASSERT(sizeof(int64_t) == 2 * sizeof(int32_t), INT64_T_WRONG_SIZE)
	262	PB_STATIC_ASSERT(sizeof(uint64_t) == 2 * sizeof(uint32_t), UINT64_T_WRONG_SIZE)
	263	#endif
	264
	265	/* This structure is used for 'bytes' arrays.
	266	* It has the number of bytes in the beginning, and after that an array.
	267	* Note that actual structs used will have a different length of bytes array.
	268	*/
	269	#define PB_BYTES_ARRAY_T(n) struct { pb_size_t size; pb_byte_t bytes[n]; }
	270	#define PB_BYTES_ARRAY_T_ALLOCSIZE(n) ((size_t)n + offsetof(pb_bytes_array_t, bytes))
	271
	272	struct pb_bytes_array_s {
	273	pb_size_t size;
	274	pb_byte_t bytes[1];
	275	};
	276	typedef struct pb_bytes_array_s pb_bytes_array_t;
	277
	278	/* This structure is used for giving the callback function.
	279	* It is stored in the message structure and filled in by the method that
	280	* calls pb_decode.
	281	*
	282	* The decoding callback will be given a limited-length stream
	283	* If the wire type was string, the length is the length of the string.
	284	* If the wire type was a varint/fixed32/fixed64, the length is the length
	285	* of the actual value.
	286	* The function may be called multiple times (especially for repeated types,
	287	* but also otherwise if the message happens to contain the field multiple
	288	* times.)
	289	*
	290	* The encoding callback will receive the actual output stream.
	291	* It should write all the data in one call, including the field tag and
	292	* wire type. It can write multiple fields.
	293	*
	294	* The callback can be null if you want to skip a field.
	295	*/
	296	typedef struct pb_istream_s pb_istream_t;
	297	typedef struct pb_ostream_s pb_ostream_t;
	298	typedef struct pb_callback_s pb_callback_t;
	299	struct pb_callback_s {
	300	#ifdef PB_OLD_CALLBACK_STYLE
	301	/* Deprecated since nanopb-0.2.1 */
	302	union {
	303	bool (decode)(pb_istream_t stream, const pb_field_t field, void arg);
	304	bool (encode)(pb_ostream_t stream, const pb_field_t field, const void arg);
	305	} funcs;
	306	#else
	307	/* New function signature, which allows modifying arg contents in callback. */
	308	union {
	309	bool (decode)(pb_istream_t stream, const pb_field_t field, void *arg);
	310	bool (encode)(pb_ostream_t stream, const pb_field_t field, void const *arg);
	311	} funcs;
	312	#endif
	313
	314	/* Free arg for use by callback */
	315	void *arg;
	316	};
	317
	318	/* Wire types. Library user needs these only in encoder callbacks. */
	319	typedef enum {
	320	PB_WT_VARINT = 0,
	321	PB_WT_64BIT = 1,
	322	PB_WT_STRING = 2,
	323	PB_WT_32BIT = 5
	324	} pb_wire_type_t;
	325
	326	/* Structure for defining the handling of unknown/extension fields.
	327	* Usually the pb_extension_type_t structure is automatically generated,
	328	* while the pb_extension_t structure is created by the user. However,
	329	* if you want to catch all unknown fields, you can also create a custom
	330	* pb_extension_type_t with your own callback.
	331	*/
	332	typedef struct pb_extension_type_s pb_extension_type_t;
	333	typedef struct pb_extension_s pb_extension_t;
	334	struct pb_extension_type_s {
	335	/* Called for each unknown field in the message.
	336	* If you handle the field, read off all of its data and return true.
	337	* If you do not handle the field, do not read anything and return true.
	338	* If you run into an error, return false.
	339	* Set to NULL for default handler.
	340	*/
	341	bool (decode)(pb_istream_t stream, pb_extension_t *extension,
	342	uint32_t tag, pb_wire_type_t wire_type);
	343
	344	/* Called once after all regular fields have been encoded.
	345	* If you have something to write, do so and return true.
	346	* If you do not have anything to write, just return true.
	347	* If you run into an error, return false.
	348	* Set to NULL for default handler.
	349	*/
	350	bool (encode)(pb_ostream_t stream, const pb_extension_t *extension);
	351
	352	/* Free field for use by the callback. */
	353	const void *arg;
	354	};
	355
	356	struct pb_extension_s {
	357	/* Type describing the extension field. Usually you'll initialize
	358	* this to a pointer to the automatically generated structure. */
	359	const pb_extension_type_t *type;
	360
	361	/* Destination for the decoded data. This must match the datatype
	362	* of the extension field. */
	363	void *dest;
	364
	365	/* Pointer to the next extension handler, or NULL.
	366	* If this extension does not match a field, the next handler is
	367	* automatically called. */
	368	pb_extension_t *next;
	369
	370	/* The decoder sets this to true if the extension was found.
	371	* Ignored for encoding. */
	372	bool found;
	373	};
	374
	375	/* Memory allocation functions to use. You can define pb_realloc and
	376	* pb_free to custom functions if you want. */
	377	#ifdef PB_ENABLE_MALLOC
	378	# ifndef pb_realloc
	379	# define pb_realloc(ptr, size) realloc(ptr, size)
	380	# endif
	381	# ifndef pb_free
	382	# define pb_free(ptr) free(ptr)
	383	# endif
	384	#endif
	385
	386	/* This is used to inform about need to regenerate .pb.h/.pb.c files. */
	387	#define PB_PROTO_HEADER_VERSION 30
	388
	389	/* These macros are used to declare pb_field_t's in the constant array. */
	390	/* Size of a structure member, in bytes. */
	391	#define pb_membersize(st, m) (sizeof ((st*)0)->m)
	392	/* Number of entries in an array. */
	393	#define pb_arraysize(st, m) (pb_membersize(st, m) / pb_membersize(st, m[0]))
	394	/* Delta from start of one member to the start of another member. */
	395	#define pb_delta(st, m1, m2) ((int)offsetof(st, m1) - (int)offsetof(st, m2))
	396	/* Marks the end of the field list */
	397	#define PB_LAST_FIELD {0,(pb_type_t) 0,0,0,0,0,0}
	398
	399	/* Macros for filling in the data_offset field */
	400	/* data_offset for first field in a message */
	401	#define PB_DATAOFFSET_FIRST(st, m1, m2) (offsetof(st, m1))
	402	/* data_offset for subsequent fields */
	403	#define PB_DATAOFFSET_OTHER(st, m1, m2) (offsetof(st, m1) - offsetof(st, m2) - pb_membersize(st, m2))
	404	/* data offset for subsequent fields inside an union (oneof) */
	405	#define PB_DATAOFFSET_UNION(st, m1, m2) (PB_SIZE_MAX)
	406	/* Choose first/other based on m1 == m2 (deprecated, remains for backwards compatibility) */
	407	#define PB_DATAOFFSET_CHOOSE(st, m1, m2) (int)(offsetof(st, m1) == offsetof(st, m2) \
	408	? PB_DATAOFFSET_FIRST(st, m1, m2) \
	409	: PB_DATAOFFSET_OTHER(st, m1, m2))
	410
	411	/* Required fields are the simplest. They just have delta (padding) from
	412	* previous field end, and the size of the field. Pointer is used for
	413	* submessages and default values.
	414	*/
	415	#define PB_REQUIRED_STATIC(tag, st, m, fd, ltype, ptr) \
	416	{tag, PB_ATYPE_STATIC \| PB_HTYPE_REQUIRED \| ltype, \
	417	fd, 0, pb_membersize(st, m), 0, ptr}
	418
	419	/* Optional fields add the delta to the has_ variable. */
	420	#define PB_OPTIONAL_STATIC(tag, st, m, fd, ltype, ptr) \
	421	{tag, PB_ATYPE_STATIC \| PB_HTYPE_OPTIONAL \| ltype, \
	422	fd, \
	423	pb_delta(st, has_ ## m, m), \
	424	pb_membersize(st, m), 0, ptr}
	425
	426	#define PB_SINGULAR_STATIC(tag, st, m, fd, ltype, ptr) \
	427	{tag, PB_ATYPE_STATIC \| PB_HTYPE_OPTIONAL \| ltype, \
	428	fd, 0, pb_membersize(st, m), 0, ptr}
	429
	430	/* Repeated fields have a _count field and also the maximum number of entries. */
	431	#define PB_REPEATED_STATIC(tag, st, m, fd, ltype, ptr) \
	432	{tag, PB_ATYPE_STATIC \| PB_HTYPE_REPEATED \| ltype, \
	433	fd, \
	434	pb_delta(st, m ## _count, m), \
	435	pb_membersize(st, m[0]), \
	436	pb_arraysize(st, m), ptr}
	437
	438	/* Allocated fields carry the size of the actual data, not the pointer */
	439	#define PB_REQUIRED_POINTER(tag, st, m, fd, ltype, ptr) \
	440	{tag, PB_ATYPE_POINTER \| PB_HTYPE_REQUIRED \| ltype, \
	441	fd, 0, pb_membersize(st, m[0]), 0, ptr}
	442
	443	/* Optional fields don't need a has_ variable, as information would be redundant */
	444	#define PB_OPTIONAL_POINTER(tag, st, m, fd, ltype, ptr) \
	445	{tag, PB_ATYPE_POINTER \| PB_HTYPE_OPTIONAL \| ltype, \
	446	fd, 0, pb_membersize(st, m[0]), 0, ptr}
	447
	448	/* Same as optional fields*/
	449	#define PB_SINGULAR_POINTER(tag, st, m, fd, ltype, ptr) \
	450	{tag, PB_ATYPE_POINTER \| PB_HTYPE_OPTIONAL \| ltype, \
	451	fd, 0, pb_membersize(st, m[0]), 0, ptr}
	452
	453	/* Repeated fields have a _count field and a pointer to array of pointers */
	454	#define PB_REPEATED_POINTER(tag, st, m, fd, ltype, ptr) \
	455	{tag, PB_ATYPE_POINTER \| PB_HTYPE_REPEATED \| ltype, \
	456	fd, pb_delta(st, m ## _count, m), \
	457	pb_membersize(st, m[0]), 0, ptr}
	458
	459	/* Callbacks are much like required fields except with special datatype. */
	460	#define PB_REQUIRED_CALLBACK(tag, st, m, fd, ltype, ptr) \
	461	{tag, PB_ATYPE_CALLBACK \| PB_HTYPE_REQUIRED \| ltype, \
	462	fd, 0, pb_membersize(st, m), 0, ptr}
	463
	464	#define PB_OPTIONAL_CALLBACK(tag, st, m, fd, ltype, ptr) \
	465	{tag, PB_ATYPE_CALLBACK \| PB_HTYPE_OPTIONAL \| ltype, \
	466	fd, 0, pb_membersize(st, m), 0, ptr}
	467
	468	#define PB_SINGULAR_CALLBACK(tag, st, m, fd, ltype, ptr) \
	469	{tag, PB_ATYPE_CALLBACK \| PB_HTYPE_OPTIONAL \| ltype, \
	470	fd, 0, pb_membersize(st, m), 0, ptr}
	471
	472	#define PB_REPEATED_CALLBACK(tag, st, m, fd, ltype, ptr) \
	473	{tag, PB_ATYPE_CALLBACK \| PB_HTYPE_REPEATED \| ltype, \
	474	fd, 0, pb_membersize(st, m), 0, ptr}
	475
	476	/* Optional extensions don't have the has_ field, as that would be redundant.
	477	* Furthermore, the combination of OPTIONAL without has_ field is used
	478	* for indicating proto3 style fields. Extensions exist in proto2 mode only,
	479	* so they should be encoded according to proto2 rules. To avoid the conflict,
	480	* extensions are marked as REQUIRED instead.
	481	*/
	482	#define PB_OPTEXT_STATIC(tag, st, m, fd, ltype, ptr) \
	483	{tag, PB_ATYPE_STATIC \| PB_HTYPE_REQUIRED \| ltype, \
	484	0, \
	485	0, \
	486	pb_membersize(st, m), 0, ptr}
	487
	488	#define PB_OPTEXT_POINTER(tag, st, m, fd, ltype, ptr) \
	489	PB_OPTIONAL_POINTER(tag, st, m, fd, ltype, ptr)
	490
	491	#define PB_OPTEXT_CALLBACK(tag, st, m, fd, ltype, ptr) \
	492	PB_OPTIONAL_CALLBACK(tag, st, m, fd, ltype, ptr)
	493
	494	/* The mapping from protobuf types to LTYPEs is done using these macros. */
	495	#define PB_LTYPE_MAP_BOOL PB_LTYPE_BOOL
	496	#define PB_LTYPE_MAP_BYTES PB_LTYPE_BYTES
	497	#define PB_LTYPE_MAP_DOUBLE PB_LTYPE_FIXED64
	498	#define PB_LTYPE_MAP_ENUM PB_LTYPE_VARINT
	499	#define PB_LTYPE_MAP_UENUM PB_LTYPE_UVARINT
	500	#define PB_LTYPE_MAP_FIXED32 PB_LTYPE_FIXED32
	501	#define PB_LTYPE_MAP_FIXED64 PB_LTYPE_FIXED64
	502	#define PB_LTYPE_MAP_FLOAT PB_LTYPE_FIXED32
	503	#define PB_LTYPE_MAP_INT32 PB_LTYPE_VARINT
	504	#define PB_LTYPE_MAP_INT64 PB_LTYPE_VARINT
	505	#define PB_LTYPE_MAP_MESSAGE PB_LTYPE_SUBMESSAGE
	506	#define PB_LTYPE_MAP_SFIXED32 PB_LTYPE_FIXED32
	507	#define PB_LTYPE_MAP_SFIXED64 PB_LTYPE_FIXED64
	508	#define PB_LTYPE_MAP_SINT32 PB_LTYPE_SVARINT
	509	#define PB_LTYPE_MAP_SINT64 PB_LTYPE_SVARINT
	510	#define PB_LTYPE_MAP_STRING PB_LTYPE_STRING
	511	#define PB_LTYPE_MAP_UINT32 PB_LTYPE_UVARINT
	512	#define PB_LTYPE_MAP_UINT64 PB_LTYPE_UVARINT
	513	#define PB_LTYPE_MAP_EXTENSION PB_LTYPE_EXTENSION
	514	#define PB_LTYPE_MAP_FIXED_LENGTH_BYTES PB_LTYPE_FIXED_LENGTH_BYTES
	515
	516	/* This is the actual macro used in field descriptions.
	517	* It takes these arguments:
	518	* - Field tag number
	519	* - Field type: BOOL, BYTES, DOUBLE, ENUM, UENUM, FIXED32, FIXED64,
	520	* FLOAT, INT32, INT64, MESSAGE, SFIXED32, SFIXED64
	521	* SINT32, SINT64, STRING, UINT32, UINT64 or EXTENSION
	522	* - Field rules: REQUIRED, OPTIONAL or REPEATED
	523	* - Allocation: STATIC, CALLBACK or POINTER
	524	* - Placement: FIRST or OTHER, depending on if this is the first field in structure.
	525	* - Message name
	526	* - Field name
	527	* - Previous field name (or field name again for first field)
	528	* - Pointer to default value or submsg fields.
	529	*/
	530
	531	#define PB_FIELD(tag, type, rules, allocation, placement, message, field, prevfield, ptr) \
	532	PB_ ## rules ## _ ## allocation(tag, message, field, \
	533	PB_DATAOFFSET_ ## placement(message, field, prevfield), \
	534	PB_LTYPE_MAP_ ## type, ptr)
	535
	536	/* Field description for repeated static fixed count fields.*/
	537	#define PB_REPEATED_FIXED_COUNT(tag, type, placement, message, field, prevfield, ptr) \
	538	{tag, PB_ATYPE_STATIC \| PB_HTYPE_REPEATED \| PB_LTYPE_MAP_ ## type, \
	539	PB_DATAOFFSET_ ## placement(message, field, prevfield), \
	540	0, \
	541	pb_membersize(message, field[0]), \
	542	pb_arraysize(message, field), ptr}
	543
	544	/* Field description for oneof fields. This requires taking into account the
	545	* union name also, that's why a separate set of macros is needed.
	546	*/
	547	#define PB_ONEOF_STATIC(u, tag, st, m, fd, ltype, ptr) \
	548	{tag, PB_ATYPE_STATIC \| PB_HTYPE_ONEOF \| ltype, \
	549	fd, pb_delta(st, which_ ## u, u.m), \
	550	pb_membersize(st, u.m), 0, ptr}
	551
	552	#define PB_ONEOF_POINTER(u, tag, st, m, fd, ltype, ptr) \
	553	{tag, PB_ATYPE_POINTER \| PB_HTYPE_ONEOF \| ltype, \
	554	fd, pb_delta(st, which_ ## u, u.m), \
	555	pb_membersize(st, u.m[0]), 0, ptr}
	556
	557	#define PB_ONEOF_FIELD(union_name, tag, type, rules, allocation, placement, message, field, prevfield, ptr) \
	558	PB_ONEOF_ ## allocation(union_name, tag, message, field, \
	559	PB_DATAOFFSET_ ## placement(message, union_name.field, prevfield), \
	560	PB_LTYPE_MAP_ ## type, ptr)
	561
	562	#define PB_ANONYMOUS_ONEOF_STATIC(u, tag, st, m, fd, ltype, ptr) \
	563	{tag, PB_ATYPE_STATIC \| PB_HTYPE_ONEOF \| ltype, \
	564	fd, pb_delta(st, which_ ## u, m), \
	565	pb_membersize(st, m), 0, ptr}
	566
	567	#define PB_ANONYMOUS_ONEOF_POINTER(u, tag, st, m, fd, ltype, ptr) \
	568	{tag, PB_ATYPE_POINTER \| PB_HTYPE_ONEOF \| ltype, \
	569	fd, pb_delta(st, which_ ## u, m), \
	570	pb_membersize(st, m[0]), 0, ptr}
	571
	572	#define PB_ANONYMOUS_ONEOF_FIELD(union_name, tag, type, rules, allocation, placement, message, field, prevfield, ptr) \
	573	PB_ANONYMOUS_ONEOF_ ## allocation(union_name, tag, message, field, \
	574	PB_DATAOFFSET_ ## placement(message, field, prevfield), \
	575	PB_LTYPE_MAP_ ## type, ptr)
	576
	577	/* These macros are used for giving out error messages.
	578	* They are mostly a debugging aid; the main error information
	579	* is the true/false return value from functions.
	580	* Some code space can be saved by disabling the error
	581	* messages if not used.
	582	*
	583	* PB_SET_ERROR() sets the error message if none has been set yet.
	584	* msg must be a constant string literal.
	585	* PB_GET_ERROR() always returns a pointer to a string.
	586	* PB_RETURN_ERROR() sets the error and returns false from current
	587	* function.
	588	*/
	589	#ifdef PB_NO_ERRMSG
	590	#define PB_SET_ERROR(stream, msg) PB_UNUSED(stream)
	591	#define PB_GET_ERROR(stream) "(errmsg disabled)"
	592	#else
	593	#define PB_SET_ERROR(stream, msg) (stream->errmsg = (stream)->errmsg ? (stream)->errmsg : (msg))
	594	#define PB_GET_ERROR(stream) ((stream)->errmsg ? (stream)->errmsg : "(none)")
	595	#endif
	596
	597	#define PB_RETURN_ERROR(stream, msg) return PB_SET_ERROR(stream, msg), false
	598
	599	#endif