anj_bytes_or_string_value_t Struct Reference

#include <defs.h>

Data Fields
const void *	data
size_t	offset
size_t	chunk_length
size_t	full_length_hint

Detailed Description

Represents a (possibly partial) string or opaque value.

Field Documentation

chunk_length

size_t chunk_length

Length (in bytes) of valid data available at data.

• In output contexts, if both chunk_length and full_length_hint are set to 0 and data is non-NULL, then the buffer is assumed to contain a null-terminated string, and its length will be determined using strlen().

data

const void* data

Pointer to the data buffer.

In output contexts (e.g., responding to a Read), this points to the data that will be sent to the LwM2M server. In input contexts (e.g., handling a Write), this points to the data received from the server.

full_length_hint

size_t full_length_hint

Full size (in bytes) of the entire resource, if known.

• If all of offset, chunk_length and full_length_hint are 0, this is treated as a zero-length resource.
• In output contexts, this must be either 0 or equal to chunk_length. Any other value will be considered an error.
• In input contexts, this will remain 0 when receiving content formats that do not include length metadata (e.g., Plain Text). Once the last chunk is received, the field will be set to offset + chunk_length to indicate completion.

offset

size_t offset

Offset (in bytes) from the beginning of the full resource value that the current data chunk represents.

• In output contexts, this must always be set to 0.
• In input contexts, this value may be non-zero when parsing a large resource split across multiple incoming packets.

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The documentation for this struct was generated from the following file:

• include_public/anj/defs.h