| /* Common parts of the nanopb library. Most of these are quite low-level |
| * stuff. For the high-level interface, see pb_encode.h and pb_decode.h. |
| */ |
| |
| #ifndef PB_H_INCLUDED |
| #define PB_H_INCLUDED |
| |
| /***************************************************************** |
| * Nanopb compilation time options. You can change these here by * |
| * uncommenting the lines, or on the compiler command line. * |
| *****************************************************************/ |
| |
| /* Enable support for dynamically allocated fields */ |
| /* #define PB_ENABLE_MALLOC 1 */ |
| |
| /* Define this if your CPU / compiler combination does not support |
| * unaligned memory access to packed structures. */ |
| /* #define PB_NO_PACKED_STRUCTS 1 */ |
| |
| /* Increase the number of required fields that are tracked. |
| * A compiler warning will tell if you need this. */ |
| /* #define PB_MAX_REQUIRED_FIELDS 256 */ |
| |
| /* Add support for tag numbers > 255 and fields larger than 255 bytes. */ |
| /* #define PB_FIELD_16BIT 1 */ |
| |
| /* Add support for tag numbers > 65536 and fields larger than 65536 bytes. */ |
| /* #define PB_FIELD_32BIT 1 */ |
| |
| /* Disable support for error messages in order to save some code space. */ |
| /* #define PB_NO_ERRMSG 1 */ |
| |
| /* Disable support for custom streams (support only memory buffers). */ |
| /* #define PB_BUFFER_ONLY 1 */ |
| |
| /* Switch back to the old-style callback function signature. |
| * This was the default until nanopb-0.2.1. */ |
| /* #define PB_OLD_CALLBACK_STYLE */ |
| |
| |
| /****************************************************************** |
| * You usually don't need to change anything below this line. * |
| * Feel free to look around and use the defined macros, though. * |
| ******************************************************************/ |
| |
| |
| /* Version of the nanopb library. Just in case you want to check it in |
| * your own program. */ |
| #define NANOPB_VERSION nanopb-0.3.9.1 |
| |
| /* Include all the system headers needed by nanopb. You will need the |
| * definitions of the following: |
| * - strlen, memcpy, memset functions |
| * - [u]int_least8_t, uint_fast8_t, [u]int_least16_t, [u]int32_t, [u]int64_t |
| * - size_t |
| * - bool |
| * |
| * If you don't have the standard header files, you can instead provide |
| * a custom header that defines or includes all this. In that case, |
| * define PB_SYSTEM_HEADER to the path of this file. |
| */ |
| #ifdef PB_SYSTEM_HEADER |
| #include PB_SYSTEM_HEADER |
| #else |
| #include <stdint.h> |
| #include <stddef.h> |
| #include <stdbool.h> |
| #include <string.h> |
| |
| #ifdef PB_ENABLE_MALLOC |
| #include <stdlib.h> |
| #endif |
| #endif |
| |
| /* Macro for defining packed structures (compiler dependent). |
| * This just reduces memory requirements, but is not required. |
| */ |
| #if defined(PB_NO_PACKED_STRUCTS) |
| /* Disable struct packing */ |
| # define PB_PACKED_STRUCT_START |
| # define PB_PACKED_STRUCT_END |
| # define pb_packed |
| #elif defined(__GNUC__) || defined(__clang__) |
| /* For GCC and clang */ |
| # define PB_PACKED_STRUCT_START |
| # define PB_PACKED_STRUCT_END |
| # define pb_packed __attribute__((packed)) |
| #elif defined(__ICCARM__) || defined(__CC_ARM) |
| /* For IAR ARM and Keil MDK-ARM compilers */ |
| # define PB_PACKED_STRUCT_START _Pragma("pack(push, 1)") |
| # define PB_PACKED_STRUCT_END _Pragma("pack(pop)") |
| # define pb_packed |
| #elif defined(_MSC_VER) && (_MSC_VER >= 1500) |
| /* For Microsoft Visual C++ */ |
| # define PB_PACKED_STRUCT_START __pragma(pack(push, 1)) |
| # define PB_PACKED_STRUCT_END __pragma(pack(pop)) |
| # define pb_packed |
| #else |
| /* Unknown compiler */ |
| # define PB_PACKED_STRUCT_START |
| # define PB_PACKED_STRUCT_END |
| # define pb_packed |
| #endif |
| |
| /* Handly macro for suppressing unreferenced-parameter compiler warnings. */ |
| #ifndef PB_UNUSED |
| #define PB_UNUSED(x) (void)(x) |
| #endif |
| |
| /* Compile-time assertion, used for checking compatible compilation options. |
| * If this does not work properly on your compiler, use |
| * #define PB_NO_STATIC_ASSERT to disable it. |
| * |
| * But before doing that, check carefully the error message / place where it |
| * comes from to see if the error has a real cause. Unfortunately the error |
| * message is not always very clear to read, but you can see the reason better |
| * in the place where the PB_STATIC_ASSERT macro was called. |
| */ |
| #ifndef PB_NO_STATIC_ASSERT |
| #ifndef PB_STATIC_ASSERT |
| #define PB_STATIC_ASSERT(COND,MSG) typedef char PB_STATIC_ASSERT_MSG(MSG, __LINE__, __COUNTER__)[(COND)?1:-1]; |
| #define PB_STATIC_ASSERT_MSG(MSG, LINE, COUNTER) PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER) |
| #define PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER) pb_static_assertion_##MSG##LINE##COUNTER |
| #endif |
| #else |
| #define PB_STATIC_ASSERT(COND,MSG) |
| #endif |
| |
| /* Number of required fields to keep track of. */ |
| #ifndef PB_MAX_REQUIRED_FIELDS |
| #define PB_MAX_REQUIRED_FIELDS 64 |
| #endif |
| |
| #if PB_MAX_REQUIRED_FIELDS < 64 |
| #error You should not lower PB_MAX_REQUIRED_FIELDS from the default value (64). |
| #endif |
| |
| /* List of possible field types. These are used in the autogenerated code. |
| * Least-significant 4 bits tell the scalar type |
| * Most-significant 4 bits specify repeated/required/packed etc. |
| */ |
| |
| typedef uint_least8_t pb_type_t; |
| |
| /**** Field data types ****/ |
| |
| /* Numeric types */ |
| #define PB_LTYPE_VARINT 0x00 /* int32, int64, enum, bool */ |
| #define PB_LTYPE_UVARINT 0x01 /* uint32, uint64 */ |
| #define PB_LTYPE_SVARINT 0x02 /* sint32, sint64 */ |
| #define PB_LTYPE_FIXED32 0x03 /* fixed32, sfixed32, float */ |
| #define PB_LTYPE_FIXED64 0x04 /* fixed64, sfixed64, double */ |
| |
| /* Marker for last packable field type. */ |
| #define PB_LTYPE_LAST_PACKABLE 0x04 |
| |
| /* Byte array with pre-allocated buffer. |
| * data_size is the length of the allocated PB_BYTES_ARRAY structure. */ |
| #define PB_LTYPE_BYTES 0x05 |
| |
| /* String with pre-allocated buffer. |
| * data_size is the maximum length. */ |
| #define PB_LTYPE_STRING 0x06 |
| |
| /* Submessage |
| * submsg_fields is pointer to field descriptions */ |
| #define PB_LTYPE_SUBMESSAGE 0x07 |
| |
| /* Extension pseudo-field |
| * The field contains a pointer to pb_extension_t */ |
| #define PB_LTYPE_EXTENSION 0x08 |
| |
| /* Byte array with inline, pre-allocated byffer. |
| * data_size is the length of the inline, allocated buffer. |
| * This differs from PB_LTYPE_BYTES by defining the element as |
| * pb_byte_t[data_size] rather than pb_bytes_array_t. */ |
| #define PB_LTYPE_FIXED_LENGTH_BYTES 0x09 |
| |
| /* Number of declared LTYPES */ |
| #define PB_LTYPES_COUNT 0x0A |
| #define PB_LTYPE_MASK 0x0F |
| |
| /**** Field repetition rules ****/ |
| |
| #define PB_HTYPE_REQUIRED 0x00 |
| #define PB_HTYPE_OPTIONAL 0x10 |
| #define PB_HTYPE_REPEATED 0x20 |
| #define PB_HTYPE_ONEOF 0x30 |
| #define PB_HTYPE_MASK 0x30 |
| |
| /**** Field allocation types ****/ |
| |
| #define PB_ATYPE_STATIC 0x00 |
| #define PB_ATYPE_POINTER 0x80 |
| #define PB_ATYPE_CALLBACK 0x40 |
| #define PB_ATYPE_MASK 0xC0 |
| |
| #define PB_ATYPE(x) ((x) & PB_ATYPE_MASK) |
| #define PB_HTYPE(x) ((x) & PB_HTYPE_MASK) |
| #define PB_LTYPE(x) ((x) & PB_LTYPE_MASK) |
| |
| /* Data type used for storing sizes of struct fields |
| * and array counts. |
| */ |
| #if defined(PB_FIELD_32BIT) |
| typedef uint32_t pb_size_t; |
| typedef int32_t pb_ssize_t; |
| #elif defined(PB_FIELD_16BIT) |
| typedef uint_least16_t pb_size_t; |
| typedef int_least16_t pb_ssize_t; |
| #else |
| typedef uint_least8_t pb_size_t; |
| typedef int_least8_t pb_ssize_t; |
| #endif |
| #define PB_SIZE_MAX ((pb_size_t)-1) |
| |
| /* Data type for storing encoded data and other byte streams. |
| * This typedef exists to support platforms where uint8_t does not exist. |
| * You can regard it as equivalent on uint8_t on other platforms. |
| */ |
| typedef uint_least8_t pb_byte_t; |
| |
| /* This structure is used in auto-generated constants |
| * to specify struct fields. |
| * You can change field sizes if you need structures |
| * larger than 256 bytes or field tags larger than 256. |
| * The compiler should complain if your .proto has such |
| * structures. Fix that by defining PB_FIELD_16BIT or |
| * PB_FIELD_32BIT. |
| */ |
| PB_PACKED_STRUCT_START |
| typedef struct pb_field_s pb_field_t; |
| struct pb_field_s { |
| pb_size_t tag; |
| pb_type_t type; |
| pb_size_t data_offset; /* Offset of field data, relative to previous field. */ |
| pb_ssize_t size_offset; /* Offset of array size or has-boolean, relative to data */ |
| pb_size_t data_size; /* Data size in bytes for a single item */ |
| pb_size_t array_size; /* Maximum number of entries in array */ |
| |
| /* Field definitions for submessage |
| * OR default value for all other non-array, non-callback types |
| * If null, then field will zeroed. */ |
| const void *ptr; |
| } pb_packed; |
| PB_PACKED_STRUCT_END |
| |
| /* Make sure that the standard integer types are of the expected sizes. |
| * Otherwise fixed32/fixed64 fields can break. |
| * |
| * If you get errors here, it probably means that your stdint.h is not |
| * correct for your platform. |
| */ |
| #ifndef PB_WITHOUT_64BIT |
| PB_STATIC_ASSERT(sizeof(int64_t) == 2 * sizeof(int32_t), INT64_T_WRONG_SIZE) |
| PB_STATIC_ASSERT(sizeof(uint64_t) == 2 * sizeof(uint32_t), UINT64_T_WRONG_SIZE) |
| #endif |
| |
| /* This structure is used for 'bytes' arrays. |
| * It has the number of bytes in the beginning, and after that an array. |
| * Note that actual structs used will have a different length of bytes array. |
| */ |
| #define PB_BYTES_ARRAY_T(n) struct { pb_size_t size; pb_byte_t bytes[n]; } |
| #define PB_BYTES_ARRAY_T_ALLOCSIZE(n) ((size_t)n + offsetof(pb_bytes_array_t, bytes)) |
| |
| struct pb_bytes_array_s { |
| pb_size_t size; |
| pb_byte_t bytes[1]; |
| }; |
| typedef struct pb_bytes_array_s pb_bytes_array_t; |
| |
| /* This structure is used for giving the callback function. |
| * It is stored in the message structure and filled in by the method that |
| * calls pb_decode. |
| * |
| * The decoding callback will be given a limited-length stream |
| * If the wire type was string, the length is the length of the string. |
| * If the wire type was a varint/fixed32/fixed64, the length is the length |
| * of the actual value. |
| * The function may be called multiple times (especially for repeated types, |
| * but also otherwise if the message happens to contain the field multiple |
| * times.) |
| * |
| * The encoding callback will receive the actual output stream. |
| * It should write all the data in one call, including the field tag and |
| * wire type. It can write multiple fields. |
| * |
| * The callback can be null if you want to skip a field. |
| */ |
| typedef struct pb_istream_s pb_istream_t; |
| typedef struct pb_ostream_s pb_ostream_t; |
| typedef struct pb_callback_s pb_callback_t; |
| struct pb_callback_s { |
| #ifdef PB_OLD_CALLBACK_STYLE |
| /* Deprecated since nanopb-0.2.1 */ |
| union { |
| bool (*decode)(pb_istream_t *stream, const pb_field_t *field, void *arg); |
| bool (*encode)(pb_ostream_t *stream, const pb_field_t *field, const void *arg); |
| } funcs; |
| #else |
| /* New function signature, which allows modifying arg contents in callback. */ |
| union { |
| bool (*decode)(pb_istream_t *stream, const pb_field_t *field, void **arg); |
| bool (*encode)(pb_ostream_t *stream, const pb_field_t *field, void * const *arg); |
| } funcs; |
| #endif |
| |
| /* Free arg for use by callback */ |
| void *arg; |
| }; |
| |
| /* Wire types. Library user needs these only in encoder callbacks. */ |
| typedef enum { |
| PB_WT_VARINT = 0, |
| PB_WT_64BIT = 1, |
| PB_WT_STRING = 2, |
| PB_WT_32BIT = 5 |
| } pb_wire_type_t; |
| |
| /* Structure for defining the handling of unknown/extension fields. |
| * Usually the pb_extension_type_t structure is automatically generated, |
| * while the pb_extension_t structure is created by the user. However, |
| * if you want to catch all unknown fields, you can also create a custom |
| * pb_extension_type_t with your own callback. |
| */ |
| typedef struct pb_extension_type_s pb_extension_type_t; |
| typedef struct pb_extension_s pb_extension_t; |
| struct pb_extension_type_s { |
| /* Called for each unknown field in the message. |
| * If you handle the field, read off all of its data and return true. |
| * If you do not handle the field, do not read anything and return true. |
| * If you run into an error, return false. |
| * Set to NULL for default handler. |
| */ |
| bool (*decode)(pb_istream_t *stream, pb_extension_t *extension, |
| uint32_t tag, pb_wire_type_t wire_type); |
| |
| /* Called once after all regular fields have been encoded. |
| * If you have something to write, do so and return true. |
| * If you do not have anything to write, just return true. |
| * If you run into an error, return false. |
| * Set to NULL for default handler. |
| */ |
| bool (*encode)(pb_ostream_t *stream, const pb_extension_t *extension); |
| |
| /* Free field for use by the callback. */ |
| const void *arg; |
| }; |
| |
| struct pb_extension_s { |
| /* Type describing the extension field. Usually you'll initialize |
| * this to a pointer to the automatically generated structure. */ |
| const pb_extension_type_t *type; |
| |
| /* Destination for the decoded data. This must match the datatype |
| * of the extension field. */ |
| void *dest; |
| |
| /* Pointer to the next extension handler, or NULL. |
| * If this extension does not match a field, the next handler is |
| * automatically called. */ |
| pb_extension_t *next; |
| |
| /* The decoder sets this to true if the extension was found. |
| * Ignored for encoding. */ |
| bool found; |
| }; |
| |
| /* Memory allocation functions to use. You can define pb_realloc and |
| * pb_free to custom functions if you want. */ |
| #ifdef PB_ENABLE_MALLOC |
| # ifndef pb_realloc |
| # define pb_realloc(ptr, size) realloc(ptr, size) |
| # endif |
| # ifndef pb_free |
| # define pb_free(ptr) free(ptr) |
| # endif |
| #endif |
| |
| /* This is used to inform about need to regenerate .pb.h/.pb.c files. */ |
| #define PB_PROTO_HEADER_VERSION 30 |
| |
| /* These macros are used to declare pb_field_t's in the constant array. */ |
| /* Size of a structure member, in bytes. */ |
| #define pb_membersize(st, m) (sizeof ((st*)0)->m) |
| /* Number of entries in an array. */ |
| #define pb_arraysize(st, m) (pb_membersize(st, m) / pb_membersize(st, m[0])) |
| /* Delta from start of one member to the start of another member. */ |
| #define pb_delta(st, m1, m2) ((int)offsetof(st, m1) - (int)offsetof(st, m2)) |
| /* Marks the end of the field list */ |
| #define PB_LAST_FIELD {0,(pb_type_t) 0,0,0,0,0,0} |
| |
| /* Macros for filling in the data_offset field */ |
| /* data_offset for first field in a message */ |
| #define PB_DATAOFFSET_FIRST(st, m1, m2) (offsetof(st, m1)) |
| /* data_offset for subsequent fields */ |
| #define PB_DATAOFFSET_OTHER(st, m1, m2) (offsetof(st, m1) - offsetof(st, m2) - pb_membersize(st, m2)) |
| /* data offset for subsequent fields inside an union (oneof) */ |
| #define PB_DATAOFFSET_UNION(st, m1, m2) (PB_SIZE_MAX) |
| /* Choose first/other based on m1 == m2 (deprecated, remains for backwards compatibility) */ |
| #define PB_DATAOFFSET_CHOOSE(st, m1, m2) (int)(offsetof(st, m1) == offsetof(st, m2) \ |
| ? PB_DATAOFFSET_FIRST(st, m1, m2) \ |
| : PB_DATAOFFSET_OTHER(st, m1, m2)) |
| |
| /* Required fields are the simplest. They just have delta (padding) from |
| * previous field end, and the size of the field. Pointer is used for |
| * submessages and default values. |
| */ |
| #define PB_REQUIRED_STATIC(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_STATIC | PB_HTYPE_REQUIRED | ltype, \ |
| fd, 0, pb_membersize(st, m), 0, ptr} |
| |
| /* Optional fields add the delta to the has_ variable. */ |
| #define PB_OPTIONAL_STATIC(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_STATIC | PB_HTYPE_OPTIONAL | ltype, \ |
| fd, \ |
| pb_delta(st, has_ ## m, m), \ |
| pb_membersize(st, m), 0, ptr} |
| |
| #define PB_SINGULAR_STATIC(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_STATIC | PB_HTYPE_OPTIONAL | ltype, \ |
| fd, 0, pb_membersize(st, m), 0, ptr} |
| |
| /* Repeated fields have a _count field and also the maximum number of entries. */ |
| #define PB_REPEATED_STATIC(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_STATIC | PB_HTYPE_REPEATED | ltype, \ |
| fd, \ |
| pb_delta(st, m ## _count, m), \ |
| pb_membersize(st, m[0]), \ |
| pb_arraysize(st, m), ptr} |
| |
| /* Allocated fields carry the size of the actual data, not the pointer */ |
| #define PB_REQUIRED_POINTER(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_POINTER | PB_HTYPE_REQUIRED | ltype, \ |
| fd, 0, pb_membersize(st, m[0]), 0, ptr} |
| |
| /* Optional fields don't need a has_ variable, as information would be redundant */ |
| #define PB_OPTIONAL_POINTER(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_POINTER | PB_HTYPE_OPTIONAL | ltype, \ |
| fd, 0, pb_membersize(st, m[0]), 0, ptr} |
| |
| /* Same as optional fields*/ |
| #define PB_SINGULAR_POINTER(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_POINTER | PB_HTYPE_OPTIONAL | ltype, \ |
| fd, 0, pb_membersize(st, m[0]), 0, ptr} |
| |
| /* Repeated fields have a _count field and a pointer to array of pointers */ |
| #define PB_REPEATED_POINTER(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_POINTER | PB_HTYPE_REPEATED | ltype, \ |
| fd, pb_delta(st, m ## _count, m), \ |
| pb_membersize(st, m[0]), 0, ptr} |
| |
| /* Callbacks are much like required fields except with special datatype. */ |
| #define PB_REQUIRED_CALLBACK(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_CALLBACK | PB_HTYPE_REQUIRED | ltype, \ |
| fd, 0, pb_membersize(st, m), 0, ptr} |
| |
| #define PB_OPTIONAL_CALLBACK(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_CALLBACK | PB_HTYPE_OPTIONAL | ltype, \ |
| fd, 0, pb_membersize(st, m), 0, ptr} |
| |
| #define PB_SINGULAR_CALLBACK(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_CALLBACK | PB_HTYPE_OPTIONAL | ltype, \ |
| fd, 0, pb_membersize(st, m), 0, ptr} |
| |
| #define PB_REPEATED_CALLBACK(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_CALLBACK | PB_HTYPE_REPEATED | ltype, \ |
| fd, 0, pb_membersize(st, m), 0, ptr} |
| |
| /* Optional extensions don't have the has_ field, as that would be redundant. |
| * Furthermore, the combination of OPTIONAL without has_ field is used |
| * for indicating proto3 style fields. Extensions exist in proto2 mode only, |
| * so they should be encoded according to proto2 rules. To avoid the conflict, |
| * extensions are marked as REQUIRED instead. |
| */ |
| #define PB_OPTEXT_STATIC(tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_STATIC | PB_HTYPE_REQUIRED | ltype, \ |
| 0, \ |
| 0, \ |
| pb_membersize(st, m), 0, ptr} |
| |
| #define PB_OPTEXT_POINTER(tag, st, m, fd, ltype, ptr) \ |
| PB_OPTIONAL_POINTER(tag, st, m, fd, ltype, ptr) |
| |
| #define PB_OPTEXT_CALLBACK(tag, st, m, fd, ltype, ptr) \ |
| PB_OPTIONAL_CALLBACK(tag, st, m, fd, ltype, ptr) |
| |
| /* The mapping from protobuf types to LTYPEs is done using these macros. */ |
| #define PB_LTYPE_MAP_BOOL PB_LTYPE_VARINT |
| #define PB_LTYPE_MAP_BYTES PB_LTYPE_BYTES |
| #define PB_LTYPE_MAP_DOUBLE PB_LTYPE_FIXED64 |
| #define PB_LTYPE_MAP_ENUM PB_LTYPE_VARINT |
| #define PB_LTYPE_MAP_UENUM PB_LTYPE_UVARINT |
| #define PB_LTYPE_MAP_FIXED32 PB_LTYPE_FIXED32 |
| #define PB_LTYPE_MAP_FIXED64 PB_LTYPE_FIXED64 |
| #define PB_LTYPE_MAP_FLOAT PB_LTYPE_FIXED32 |
| #define PB_LTYPE_MAP_INT32 PB_LTYPE_VARINT |
| #define PB_LTYPE_MAP_INT64 PB_LTYPE_VARINT |
| #define PB_LTYPE_MAP_MESSAGE PB_LTYPE_SUBMESSAGE |
| #define PB_LTYPE_MAP_SFIXED32 PB_LTYPE_FIXED32 |
| #define PB_LTYPE_MAP_SFIXED64 PB_LTYPE_FIXED64 |
| #define PB_LTYPE_MAP_SINT32 PB_LTYPE_SVARINT |
| #define PB_LTYPE_MAP_SINT64 PB_LTYPE_SVARINT |
| #define PB_LTYPE_MAP_STRING PB_LTYPE_STRING |
| #define PB_LTYPE_MAP_UINT32 PB_LTYPE_UVARINT |
| #define PB_LTYPE_MAP_UINT64 PB_LTYPE_UVARINT |
| #define PB_LTYPE_MAP_EXTENSION PB_LTYPE_EXTENSION |
| #define PB_LTYPE_MAP_FIXED_LENGTH_BYTES PB_LTYPE_FIXED_LENGTH_BYTES |
| |
| /* This is the actual macro used in field descriptions. |
| * It takes these arguments: |
| * - Field tag number |
| * - Field type: BOOL, BYTES, DOUBLE, ENUM, UENUM, FIXED32, FIXED64, |
| * FLOAT, INT32, INT64, MESSAGE, SFIXED32, SFIXED64 |
| * SINT32, SINT64, STRING, UINT32, UINT64 or EXTENSION |
| * - Field rules: REQUIRED, OPTIONAL or REPEATED |
| * - Allocation: STATIC, CALLBACK or POINTER |
| * - Placement: FIRST or OTHER, depending on if this is the first field in structure. |
| * - Message name |
| * - Field name |
| * - Previous field name (or field name again for first field) |
| * - Pointer to default value or submsg fields. |
| */ |
| |
| #define PB_FIELD(tag, type, rules, allocation, placement, message, field, prevfield, ptr) \ |
| PB_ ## rules ## _ ## allocation(tag, message, field, \ |
| PB_DATAOFFSET_ ## placement(message, field, prevfield), \ |
| PB_LTYPE_MAP_ ## type, ptr) |
| |
| /* Field description for repeated static fixed count fields.*/ |
| #define PB_REPEATED_FIXED_COUNT(tag, type, placement, message, field, prevfield, ptr) \ |
| {tag, PB_ATYPE_STATIC | PB_HTYPE_REPEATED | PB_LTYPE_MAP_ ## type, \ |
| PB_DATAOFFSET_ ## placement(message, field, prevfield), \ |
| 0, \ |
| pb_membersize(message, field[0]), \ |
| pb_arraysize(message, field), ptr} |
| |
| /* Field description for oneof fields. This requires taking into account the |
| * union name also, that's why a separate set of macros is needed. |
| */ |
| #define PB_ONEOF_STATIC(u, tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_STATIC | PB_HTYPE_ONEOF | ltype, \ |
| fd, pb_delta(st, which_ ## u, u.m), \ |
| pb_membersize(st, u.m), 0, ptr} |
| |
| #define PB_ONEOF_POINTER(u, tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_POINTER | PB_HTYPE_ONEOF | ltype, \ |
| fd, pb_delta(st, which_ ## u, u.m), \ |
| pb_membersize(st, u.m[0]), 0, ptr} |
| |
| #define PB_ONEOF_FIELD(union_name, tag, type, rules, allocation, placement, message, field, prevfield, ptr) \ |
| PB_ONEOF_ ## allocation(union_name, tag, message, field, \ |
| PB_DATAOFFSET_ ## placement(message, union_name.field, prevfield), \ |
| PB_LTYPE_MAP_ ## type, ptr) |
| |
| #define PB_ANONYMOUS_ONEOF_STATIC(u, tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_STATIC | PB_HTYPE_ONEOF | ltype, \ |
| fd, pb_delta(st, which_ ## u, m), \ |
| pb_membersize(st, m), 0, ptr} |
| |
| #define PB_ANONYMOUS_ONEOF_POINTER(u, tag, st, m, fd, ltype, ptr) \ |
| {tag, PB_ATYPE_POINTER | PB_HTYPE_ONEOF | ltype, \ |
| fd, pb_delta(st, which_ ## u, m), \ |
| pb_membersize(st, m[0]), 0, ptr} |
| |
| #define PB_ANONYMOUS_ONEOF_FIELD(union_name, tag, type, rules, allocation, placement, message, field, prevfield, ptr) \ |
| PB_ANONYMOUS_ONEOF_ ## allocation(union_name, tag, message, field, \ |
| PB_DATAOFFSET_ ## placement(message, field, prevfield), \ |
| PB_LTYPE_MAP_ ## type, ptr) |
| |
| /* These macros are used for giving out error messages. |
| * They are mostly a debugging aid; the main error information |
| * is the true/false return value from functions. |
| * Some code space can be saved by disabling the error |
| * messages if not used. |
| * |
| * PB_SET_ERROR() sets the error message if none has been set yet. |
| * msg must be a constant string literal. |
| * PB_GET_ERROR() always returns a pointer to a string. |
| * PB_RETURN_ERROR() sets the error and returns false from current |
| * function. |
| */ |
| #ifdef PB_NO_ERRMSG |
| #define PB_SET_ERROR(stream, msg) PB_UNUSED(stream) |
| #define PB_GET_ERROR(stream) "(errmsg disabled)" |
| #else |
| #define PB_SET_ERROR(stream, msg) (stream->errmsg = (stream)->errmsg ? (stream)->errmsg : (msg)) |
| #define PB_GET_ERROR(stream) ((stream)->errmsg ? (stream)->errmsg : "(none)") |
| #endif |
| |
| #define PB_RETURN_ERROR(stream, msg) return PB_SET_ERROR(stream, msg), false |
| |
| #endif |
