diff options
Diffstat (limited to 'CAN-binder/libs/nanopb/pb_encode.c')
| -rw-r--r-- | CAN-binder/libs/nanopb/pb_encode.c | 803 |
1 files changed, 0 insertions, 803 deletions
diff --git a/CAN-binder/libs/nanopb/pb_encode.c b/CAN-binder/libs/nanopb/pb_encode.c deleted file mode 100644 index 05d691d..0000000 --- a/CAN-binder/libs/nanopb/pb_encode.c +++ /dev/null @@ -1,803 +0,0 @@ -/* pb_encode.c -- encode a protobuf using minimal resources - * - * 2011 Petteri Aimonen <jpa@kapsi.fi> - */ - -#include "pb.h" -#include "pb_encode.h" -#include "pb_common.h" - -/* Use the GCC warn_unused_result attribute to check that all return values - * are propagated correctly. On other compilers and gcc before 3.4.0 just - * ignore the annotation. - */ -#if !defined(__GNUC__) || ( __GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 4) - #define checkreturn -#else - #define checkreturn __attribute__((warn_unused_result)) -#endif - -/************************************** - * Declarations internal to this file * - **************************************/ -typedef bool (*pb_encoder_t)(pb_ostream_t *stream, const pb_field_t *field, const void *src) checkreturn; - -static bool checkreturn buf_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count); -static bool checkreturn encode_array(pb_ostream_t *stream, const pb_field_t *field, const void *pData, size_t count, pb_encoder_t func); -static bool checkreturn encode_field(pb_ostream_t *stream, const pb_field_t *field, const void *pData); -static bool checkreturn default_extension_encoder(pb_ostream_t *stream, const pb_extension_t *extension); -static bool checkreturn encode_extension_field(pb_ostream_t *stream, const pb_field_t *field, const void *pData); -static void *pb_const_cast(const void *p); -static bool checkreturn pb_enc_varint(pb_ostream_t *stream, const pb_field_t *field, const void *src); -static bool checkreturn pb_enc_uvarint(pb_ostream_t *stream, const pb_field_t *field, const void *src); -static bool checkreturn pb_enc_svarint(pb_ostream_t *stream, const pb_field_t *field, const void *src); -static bool checkreturn pb_enc_fixed32(pb_ostream_t *stream, const pb_field_t *field, const void *src); -static bool checkreturn pb_enc_fixed64(pb_ostream_t *stream, const pb_field_t *field, const void *src); -static bool checkreturn pb_enc_bytes(pb_ostream_t *stream, const pb_field_t *field, const void *src); -static bool checkreturn pb_enc_string(pb_ostream_t *stream, const pb_field_t *field, const void *src); -static bool checkreturn pb_enc_submessage(pb_ostream_t *stream, const pb_field_t *field, const void *src); -static bool checkreturn pb_enc_fixed_length_bytes(pb_ostream_t *stream, const pb_field_t *field, const void *src); - -/* --- Function pointers to field encoders --- - * Order in the array must match pb_action_t LTYPE numbering. - */ -static const pb_encoder_t PB_ENCODERS[PB_LTYPES_COUNT] = { - &pb_enc_varint, - &pb_enc_uvarint, - &pb_enc_svarint, - &pb_enc_fixed32, - &pb_enc_fixed64, - - &pb_enc_bytes, - &pb_enc_string, - &pb_enc_submessage, - NULL, /* extensions */ - &pb_enc_fixed_length_bytes -}; - -/******************************* - * pb_ostream_t implementation * - *******************************/ - -static bool checkreturn buf_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count) -{ - size_t i; - pb_byte_t *dest = (pb_byte_t*)stream->state; - stream->state = dest + count; - - for (i = 0; i < count; i++) - dest[i] = buf[i]; - - return true; -} - -pb_ostream_t pb_ostream_from_buffer(pb_byte_t *buf, size_t bufsize) -{ - pb_ostream_t stream; -#ifdef PB_BUFFER_ONLY - stream.callback = (void*)1; /* Just a marker value */ -#else - stream.callback = &buf_write; -#endif - stream.state = buf; - stream.max_size = bufsize; - stream.bytes_written = 0; -#ifndef PB_NO_ERRMSG - stream.errmsg = NULL; -#endif - return stream; -} - -bool checkreturn pb_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count) -{ - if (stream->callback != NULL) - { - if (stream->bytes_written + count > stream->max_size) - PB_RETURN_ERROR(stream, "stream full"); - -#ifdef PB_BUFFER_ONLY - if (!buf_write(stream, buf, count)) - PB_RETURN_ERROR(stream, "io error"); -#else - if (!stream->callback(stream, buf, count)) - PB_RETURN_ERROR(stream, "io error"); -#endif - } - - stream->bytes_written += count; - return true; -} - -/************************* - * Encode a single field * - *************************/ - -/* Encode a static array. Handles the size calculations and possible packing. */ -static bool checkreturn encode_array(pb_ostream_t *stream, const pb_field_t *field, - const void *pData, size_t count, pb_encoder_t func) -{ - size_t i; - const void *p; - size_t size; - - if (count == 0) - return true; - - if (PB_ATYPE(field->type) != PB_ATYPE_POINTER && count > field->array_size) - PB_RETURN_ERROR(stream, "array max size exceeded"); - - /* We always pack arrays if the datatype allows it. */ - if (PB_LTYPE(field->type) <= PB_LTYPE_LAST_PACKABLE) - { - if (!pb_encode_tag(stream, PB_WT_STRING, field->tag)) - return false; - - /* Determine the total size of packed array. */ - if (PB_LTYPE(field->type) == PB_LTYPE_FIXED32) - { - size = 4 * count; - } - else if (PB_LTYPE(field->type) == PB_LTYPE_FIXED64) - { - size = 8 * count; - } - else - { - pb_ostream_t sizestream = PB_OSTREAM_SIZING; - p = pData; - for (i = 0; i < count; i++) - { - if (!func(&sizestream, field, p)) - return false; - p = (const char*)p + field->data_size; - } - size = sizestream.bytes_written; - } - - if (!pb_encode_varint(stream, (uint64_t)size)) - return false; - - if (stream->callback == NULL) - return pb_write(stream, NULL, size); /* Just sizing.. */ - - /* Write the data */ - p = pData; - for (i = 0; i < count; i++) - { - if (!func(stream, field, p)) - return false; - p = (const char*)p + field->data_size; - } - } - else - { - p = pData; - for (i = 0; i < count; i++) - { - if (!pb_encode_tag_for_field(stream, field)) - return false; - - /* Normally the data is stored directly in the array entries, but - * for pointer-type string and bytes fields, the array entries are - * actually pointers themselves also. So we have to dereference once - * more to get to the actual data. */ - if (PB_ATYPE(field->type) == PB_ATYPE_POINTER && - (PB_LTYPE(field->type) == PB_LTYPE_STRING || - PB_LTYPE(field->type) == PB_LTYPE_BYTES)) - { - if (!func(stream, field, *(const void* const*)p)) - return false; - } - else - { - if (!func(stream, field, p)) - return false; - } - p = (const char*)p + field->data_size; - } - } - - return true; -} - -/* In proto3, all fields are optional and are only encoded if their value is "non-zero". - * This function implements the check for the zero value. */ -static bool pb_check_proto3_default_value(const pb_field_t *field, const void *pData) -{ - pb_type_t type = field->type; - const void *pSize = (const char*)pData + field->size_offset; - - if (PB_HTYPE(type) == PB_HTYPE_REQUIRED) - { - /* Required proto2 fields inside proto3 submessage, pretty rare case */ - return false; - } - else if (PB_HTYPE(type) == PB_HTYPE_REPEATED) - { - /* Repeated fields inside proto3 submessage: present if count != 0 */ - return *(const pb_size_t*)pSize == 0; - } - else if (PB_HTYPE(type) == PB_HTYPE_ONEOF) - { - /* Oneof fields */ - return *(const pb_size_t*)pSize == 0; - } - else if (PB_HTYPE(type) == PB_HTYPE_OPTIONAL && field->size_offset) - { - /* Proto2 optional fields inside proto3 submessage */ - return *(const bool*)pSize == false; - } - - /* Rest is proto3 singular fields */ - - if (PB_ATYPE(type) == PB_ATYPE_STATIC) - { - if (PB_LTYPE(type) == PB_LTYPE_BYTES) - { - const pb_bytes_array_t *bytes = (const pb_bytes_array_t*)pData; - return bytes->size == 0; - } - else if (PB_LTYPE(type) == PB_LTYPE_STRING) - { - return *(const char*)pData == '\0'; - } - else if (PB_LTYPE(type) == PB_LTYPE_FIXED_LENGTH_BYTES) - { - /* Fixed length bytes is only empty if its length is fixed - * as 0. Which would be pretty strange, but we can check - * it anyway. */ - return field->data_size == 0; - } - else if (PB_LTYPE(type) == PB_LTYPE_SUBMESSAGE) - { - /* Check all fields in the submessage to find if any of them - * are non-zero. The comparison cannot be done byte-per-byte - * because the C struct may contain padding bytes that must - * be skipped. - */ - pb_field_iter_t iter; - if (pb_field_iter_begin(&iter, (const pb_field_t*)field->ptr, pb_const_cast(pData))) - { - do - { - if (!pb_check_proto3_default_value(iter.pos, iter.pData)) - { - return false; - } - } while (pb_field_iter_next(&iter)); - } - return true; - } - } - - { - /* Catch-all branch that does byte-per-byte comparison for zero value. - * - * This is for all pointer fields, and for static PB_LTYPE_VARINT, - * UVARINT, SVARINT, FIXED32, FIXED64, EXTENSION fields, and also - * callback fields. These all have integer or pointer value which - * can be compared with 0. - */ - pb_size_t i; - const char *p = (const char*)pData; - for (i = 0; i < field->data_size; i++) - { - if (p[i] != 0) - { - return false; - } - } - - return true; - } -} - -/* Encode a field with static or pointer allocation, i.e. one whose data - * is available to the encoder directly. */ -static bool checkreturn encode_basic_field(pb_ostream_t *stream, - const pb_field_t *field, const void *pData) -{ - pb_encoder_t func; - bool implicit_has; - const void *pSize = &implicit_has; - - func = PB_ENCODERS[PB_LTYPE(field->type)]; - - if (field->size_offset) - { - /* Static optional, repeated or oneof field */ - pSize = (const char*)pData + field->size_offset; - } - else if (PB_HTYPE(field->type) == PB_HTYPE_OPTIONAL) - { - /* Proto3 style field, optional but without explicit has_ field. */ - implicit_has = !pb_check_proto3_default_value(field, pData); - } - else - { - /* Required field, always present */ - implicit_has = true; - } - - if (PB_ATYPE(field->type) == PB_ATYPE_POINTER) - { - /* pData is a pointer to the field, which contains pointer to - * the data. If the 2nd pointer is NULL, it is interpreted as if - * the has_field was false. - */ - pData = *(const void* const*)pData; - implicit_has = (pData != NULL); - } - - switch (PB_HTYPE(field->type)) - { - case PB_HTYPE_REQUIRED: - if (!pData) - PB_RETURN_ERROR(stream, "missing required field"); - if (!pb_encode_tag_for_field(stream, field)) - return false; - if (!func(stream, field, pData)) - return false; - break; - - case PB_HTYPE_OPTIONAL: - if (*(const bool*)pSize) - { - if (!pb_encode_tag_for_field(stream, field)) - return false; - - if (!func(stream, field, pData)) - return false; - } - break; - - case PB_HTYPE_REPEATED: - if (!encode_array(stream, field, pData, *(const pb_size_t*)pSize, func)) - return false; - break; - - case PB_HTYPE_ONEOF: - if (*(const pb_size_t*)pSize == field->tag) - { - if (!pb_encode_tag_for_field(stream, field)) - return false; - - if (!func(stream, field, pData)) - return false; - } - break; - - default: - PB_RETURN_ERROR(stream, "invalid field type"); - } - - return true; -} - -/* Encode a field with callback semantics. This means that a user function is - * called to provide and encode the actual data. */ -static bool checkreturn encode_callback_field(pb_ostream_t *stream, - const pb_field_t *field, const void *pData) -{ - const pb_callback_t *callback = (const pb_callback_t*)pData; - -#ifdef PB_OLD_CALLBACK_STYLE - const void *arg = callback->arg; -#else - void * const *arg = &(callback->arg); -#endif - - if (callback->funcs.encode != NULL) - { - if (!callback->funcs.encode(stream, field, arg)) - PB_RETURN_ERROR(stream, "callback error"); - } - return true; -} - -/* Encode a single field of any callback or static type. */ -static bool checkreturn encode_field(pb_ostream_t *stream, - const pb_field_t *field, const void *pData) -{ - switch (PB_ATYPE(field->type)) - { - case PB_ATYPE_STATIC: - case PB_ATYPE_POINTER: - return encode_basic_field(stream, field, pData); - - case PB_ATYPE_CALLBACK: - return encode_callback_field(stream, field, pData); - - default: - PB_RETURN_ERROR(stream, "invalid field type"); - } -} - -/* Default handler for extension fields. Expects to have a pb_field_t - * pointer in the extension->type->arg field. */ -static bool checkreturn default_extension_encoder(pb_ostream_t *stream, - const pb_extension_t *extension) -{ - const pb_field_t *field = (const pb_field_t*)extension->type->arg; - - if (PB_ATYPE(field->type) == PB_ATYPE_POINTER) - { - /* For pointer extensions, the pointer is stored directly - * in the extension structure. This avoids having an extra - * indirection. */ - return encode_field(stream, field, &extension->dest); - } - else - { - return encode_field(stream, field, extension->dest); - } -} - -/* Walk through all the registered extensions and give them a chance - * to encode themselves. */ -static bool checkreturn encode_extension_field(pb_ostream_t *stream, - const pb_field_t *field, const void *pData) -{ - const pb_extension_t *extension = *(const pb_extension_t* const *)pData; - PB_UNUSED(field); - - while (extension) - { - bool status; - if (extension->type->encode) - status = extension->type->encode(stream, extension); - else - status = default_extension_encoder(stream, extension); - - if (!status) - return false; - - extension = extension->next; - } - - return true; -} - -/********************* - * Encode all fields * - *********************/ - -static void *pb_const_cast(const void *p) -{ - /* Note: this casts away const, in order to use the common field iterator - * logic for both encoding and decoding. */ - union { - void *p1; - const void *p2; - } t; - t.p2 = p; - return t.p1; -} - -bool checkreturn pb_encode(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct) -{ - pb_field_iter_t iter; - if (!pb_field_iter_begin(&iter, fields, pb_const_cast(src_struct))) - return true; /* Empty message type */ - - do { - if (PB_LTYPE(iter.pos->type) == PB_LTYPE_EXTENSION) - { - /* Special case for the extension field placeholder */ - if (!encode_extension_field(stream, iter.pos, iter.pData)) - return false; - } - else - { - /* Regular field */ - if (!encode_field(stream, iter.pos, iter.pData)) - return false; - } - } while (pb_field_iter_next(&iter)); - - return true; -} - -bool pb_encode_delimited(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct) -{ - return pb_encode_submessage(stream, fields, src_struct); -} - -bool pb_get_encoded_size(size_t *size, const pb_field_t fields[], const void *src_struct) -{ - pb_ostream_t stream = PB_OSTREAM_SIZING; - - if (!pb_encode(&stream, fields, src_struct)) - return false; - - *size = stream.bytes_written; - return true; -} - -/******************** - * Helper functions * - ********************/ -bool checkreturn pb_encode_varint(pb_ostream_t *stream, uint64_t value) -{ - pb_byte_t buffer[10]; - size_t i = 0; - - if (value <= 0x7F) - { - pb_byte_t v = (pb_byte_t)value; - return pb_write(stream, &v, 1); - } - - while (value) - { - buffer[i] = (pb_byte_t)((value & 0x7F) | 0x80); - value >>= 7; - i++; - } - buffer[i-1] &= 0x7F; /* Unset top bit on last byte */ - - return pb_write(stream, buffer, i); -} - -bool checkreturn pb_encode_svarint(pb_ostream_t *stream, int64_t value) -{ - uint64_t zigzagged; - if (value < 0) - zigzagged = ~((uint64_t)value << 1); - else - zigzagged = (uint64_t)value << 1; - - return pb_encode_varint(stream, zigzagged); -} - -bool checkreturn pb_encode_fixed32(pb_ostream_t *stream, const void *value) -{ - uint32_t val = *(const uint32_t*)value; - pb_byte_t bytes[4]; - bytes[0] = (pb_byte_t)(val & 0xFF); - bytes[1] = (pb_byte_t)((val >> 8) & 0xFF); - bytes[2] = (pb_byte_t)((val >> 16) & 0xFF); - bytes[3] = (pb_byte_t)((val >> 24) & 0xFF); - return pb_write(stream, bytes, 4); -} - -bool checkreturn pb_encode_fixed64(pb_ostream_t *stream, const void *value) -{ - uint64_t val = *(const uint64_t*)value; - pb_byte_t bytes[8]; - bytes[0] = (pb_byte_t)(val & 0xFF); - bytes[1] = (pb_byte_t)((val >> 8) & 0xFF); - bytes[2] = (pb_byte_t)((val >> 16) & 0xFF); - bytes[3] = (pb_byte_t)((val >> 24) & 0xFF); - bytes[4] = (pb_byte_t)((val >> 32) & 0xFF); - bytes[5] = (pb_byte_t)((val >> 40) & 0xFF); - bytes[6] = (pb_byte_t)((val >> 48) & 0xFF); - bytes[7] = (pb_byte_t)((val >> 56) & 0xFF); - return pb_write(stream, bytes, 8); -} - -bool checkreturn pb_encode_tag(pb_ostream_t *stream, pb_wire_type_t wiretype, uint32_t field_number) -{ - uint64_t tag = ((uint64_t)field_number << 3) | wiretype; - return pb_encode_varint(stream, tag); -} - -bool checkreturn pb_encode_tag_for_field(pb_ostream_t *stream, const pb_field_t *field) -{ - pb_wire_type_t wiretype; - switch (PB_LTYPE(field->type)) - { - case PB_LTYPE_VARINT: - case PB_LTYPE_UVARINT: - case PB_LTYPE_SVARINT: - wiretype = PB_WT_VARINT; - break; - - case PB_LTYPE_FIXED32: - wiretype = PB_WT_32BIT; - break; - - case PB_LTYPE_FIXED64: - wiretype = PB_WT_64BIT; - break; - - case PB_LTYPE_BYTES: - case PB_LTYPE_STRING: - case PB_LTYPE_SUBMESSAGE: - case PB_LTYPE_FIXED_LENGTH_BYTES: - wiretype = PB_WT_STRING; - break; - - default: - PB_RETURN_ERROR(stream, "invalid field type"); - } - - return pb_encode_tag(stream, wiretype, field->tag); -} - -bool checkreturn pb_encode_string(pb_ostream_t *stream, const pb_byte_t *buffer, size_t size) -{ - if (!pb_encode_varint(stream, (uint64_t)size)) - return false; - - return pb_write(stream, buffer, size); -} - -bool checkreturn pb_encode_submessage(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct) -{ - /* First calculate the message size using a non-writing substream. */ - pb_ostream_t substream = PB_OSTREAM_SIZING; - size_t size; - bool status; - - if (!pb_encode(&substream, fields, src_struct)) - { -#ifndef PB_NO_ERRMSG - stream->errmsg = substream.errmsg; -#endif - return false; - } - - size = substream.bytes_written; - - if (!pb_encode_varint(stream, (uint64_t)size)) - return false; - - if (stream->callback == NULL) - return pb_write(stream, NULL, size); /* Just sizing */ - - if (stream->bytes_written + size > stream->max_size) - PB_RETURN_ERROR(stream, "stream full"); - - /* Use a substream to verify that a callback doesn't write more than - * what it did the first time. */ - substream.callback = stream->callback; - substream.state = stream->state; - substream.max_size = size; - substream.bytes_written = 0; -#ifndef PB_NO_ERRMSG - substream.errmsg = NULL; -#endif - - status = pb_encode(&substream, fields, src_struct); - - stream->bytes_written += substream.bytes_written; - stream->state = substream.state; -#ifndef PB_NO_ERRMSG - stream->errmsg = substream.errmsg; -#endif - - if (substream.bytes_written != size) - PB_RETURN_ERROR(stream, "submsg size changed"); - - return status; -} - -/* Field encoders */ - -static bool checkreturn pb_enc_varint(pb_ostream_t *stream, const pb_field_t *field, const void *src) -{ - int64_t value = 0; - - if (field->data_size == sizeof(int_least8_t)) - value = *(const int_least8_t*)src; - else if (field->data_size == sizeof(int_least16_t)) - value = *(const int_least16_t*)src; - else if (field->data_size == sizeof(int32_t)) - value = *(const int32_t*)src; - else if (field->data_size == sizeof(int64_t)) - value = *(const int64_t*)src; - else - PB_RETURN_ERROR(stream, "invalid data_size"); - - return pb_encode_varint(stream, (uint64_t)value); -} - -static bool checkreturn pb_enc_uvarint(pb_ostream_t *stream, const pb_field_t *field, const void *src) -{ - uint64_t value = 0; - - if (field->data_size == sizeof(uint_least8_t)) - value = *(const uint_least8_t*)src; - else if (field->data_size == sizeof(uint_least16_t)) - value = *(const uint_least16_t*)src; - else if (field->data_size == sizeof(uint32_t)) - value = *(const uint32_t*)src; - else if (field->data_size == sizeof(uint64_t)) - value = *(const uint64_t*)src; - else - PB_RETURN_ERROR(stream, "invalid data_size"); - - return pb_encode_varint(stream, value); -} - -static bool checkreturn pb_enc_svarint(pb_ostream_t *stream, const pb_field_t *field, const void *src) -{ - int64_t value = 0; - - if (field->data_size == sizeof(int_least8_t)) - value = *(const int_least8_t*)src; - else if (field->data_size == sizeof(int_least16_t)) - value = *(const int_least16_t*)src; - else if (field->data_size == sizeof(int32_t)) - value = *(const int32_t*)src; - else if (field->data_size == sizeof(int64_t)) - value = *(const int64_t*)src; - else - PB_RETURN_ERROR(stream, "invalid data_size"); - - return pb_encode_svarint(stream, value); -} - -static bool checkreturn pb_enc_fixed64(pb_ostream_t *stream, const pb_field_t *field, const void *src) -{ - PB_UNUSED(field); - return pb_encode_fixed64(stream, src); -} - -static bool checkreturn pb_enc_fixed32(pb_ostream_t *stream, const pb_field_t *field, const void *src) -{ - PB_UNUSED(field); - return pb_encode_fixed32(stream, src); -} - -static bool checkreturn pb_enc_bytes(pb_ostream_t *stream, const pb_field_t *field, const void *src) -{ - const pb_bytes_array_t *bytes = NULL; - - bytes = (const pb_bytes_array_t*)src; - - if (src == NULL) - { - /* Treat null pointer as an empty bytes field */ - return pb_encode_string(stream, NULL, 0); - } - - if (PB_ATYPE(field->type) == PB_ATYPE_STATIC && - PB_BYTES_ARRAY_T_ALLOCSIZE(bytes->size) > field->data_size) - { - PB_RETURN_ERROR(stream, "bytes size exceeded"); - } - - return pb_encode_string(stream, bytes->bytes, bytes->size); -} - -static bool checkreturn pb_enc_string(pb_ostream_t *stream, const pb_field_t *field, const void *src) -{ - size_t size = 0; - size_t max_size = field->data_size; - const char *p = (const char*)src; - - if (PB_ATYPE(field->type) == PB_ATYPE_POINTER) - max_size = (size_t)-1; - - if (src == NULL) - { - size = 0; /* Treat null pointer as an empty string */ - } - else - { - /* strnlen() is not always available, so just use a loop */ - while (size < max_size && *p != '\0') - { - size++; - p++; - } - } - - return pb_encode_string(stream, (const pb_byte_t*)src, size); -} - -static bool checkreturn pb_enc_submessage(pb_ostream_t *stream, const pb_field_t *field, const void *src) -{ - if (field->ptr == NULL) - PB_RETURN_ERROR(stream, "invalid field descriptor"); - - return pb_encode_submessage(stream, (const pb_field_t*)field->ptr, src); -} - -static bool checkreturn pb_enc_fixed_length_bytes(pb_ostream_t *stream, const pb_field_t *field, const void *src) -{ - return pb_encode_string(stream, (const pb_byte_t*)src, field->data_size); -} - |