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-rw-r--r--elegoo/pb/pb_encode.c862
1 files changed, 0 insertions, 862 deletions
diff --git a/elegoo/pb/pb_encode.c b/elegoo/pb/pb_encode.c
deleted file mode 100644
index b67b79b..0000000
--- a/elegoo/pb/pb_encode.c
+++ /dev/null
@@ -1,862 +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);
-
-#ifdef PB_WITHOUT_64BIT
-#define pb_int64_t int32_t
-#define pb_uint64_t uint32_t
-
-static bool checkreturn pb_encode_negative_varint(pb_ostream_t *stream, pb_uint64_t value);
-#else
-#define pb_int64_t int64_t
-#define pb_uint64_t uint64_t
-#endif
-
-/* --- 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, (pb_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_encode_nullterminated(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct)
-{
- const pb_byte_t zero = 0;
-
- if (!pb_encode(stream, fields, src_struct))
- return false;
-
- return pb_write(stream, &zero, 1);
-}
-
-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 *
- ********************/
-
-#ifdef PB_WITHOUT_64BIT
-bool checkreturn pb_encode_negative_varint(pb_ostream_t *stream, pb_uint64_t value)
-{
- pb_byte_t buffer[10];
- size_t i = 0;
- size_t compensation = 32;/* we need to compensate 32 bits all set to 1 */
-
- while (value)
- {
- buffer[i] = (pb_byte_t)((value & 0x7F) | 0x80);
- value >>= 7;
- if (compensation)
- {
- /* re-set all the compensation bits we can or need */
- size_t bits = compensation > 7 ? 7 : compensation;
- value ^= (pb_uint64_t)((0xFFu >> (8 - bits)) << 25); /* set the number of bits needed on the lowest of the most significant 7 bits */
- compensation -= bits;
- }
- i++;
- }
- buffer[i - 1] &= 0x7F; /* Unset top bit on last byte */
-
- return pb_write(stream, buffer, i);
-}
-#endif
-
-bool checkreturn pb_encode_varint(pb_ostream_t *stream, pb_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, pb_int64_t value)
-{
- pb_uint64_t zigzagged;
- if (value < 0)
- zigzagged = ~((pb_uint64_t)value << 1);
- else
- zigzagged = (pb_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);
-}
-
-#ifndef PB_WITHOUT_64BIT
-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);
-}
-#endif
-
-bool checkreturn pb_encode_tag(pb_ostream_t *stream, pb_wire_type_t wiretype, uint32_t field_number)
-{
- pb_uint64_t tag = ((pb_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, (pb_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, (pb_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)
-{
- pb_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(pb_int64_t))
- value = *(const pb_int64_t*)src;
- else
- PB_RETURN_ERROR(stream, "invalid data_size");
-
-#ifdef PB_WITHOUT_64BIT
- if (value < 0)
- return pb_encode_negative_varint(stream, (pb_uint64_t)value);
- else
-#endif
- return pb_encode_varint(stream, (pb_uint64_t)value);
-}
-
-static bool checkreturn pb_enc_uvarint(pb_ostream_t *stream, const pb_field_t *field, const void *src)
-{
- pb_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(pb_uint64_t))
- value = *(const pb_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)
-{
- pb_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(pb_int64_t))
- value = *(const pb_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);
-#ifndef PB_WITHOUT_64BIT
- return pb_encode_fixed64(stream, src);
-#else
- PB_UNUSED(src);
- PB_RETURN_ERROR(stream, "no 64bit support");
-#endif
-}
-
-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);
-}
-