Scrivi count byte dal buffer specificato nel flusso.
Dettagli
Parametri
stream
Il flusso in cui scrivere.
buf
Il buffer da cui leggere.
count
Il numero di byte da scrivere.
Resi
true in caso di esito positivo, false in caso di errore di scrittura.
I campioni di contenuti e codice in questa pagina sono soggetti alle licenze descritte nella Licenza per i contenuti. Java e OpenJDK sono marchi o marchi registrati di Oracle e/o delle sue società consociate.
Ultimo aggiornamento 2025-07-27 UTC.
[[["Facile da capire","easyToUnderstand","thumb-up"],["Il problema è stato risolto","solvedMyProblem","thumb-up"],["Altra","otherUp","thumb-up"]],[["Mancano le informazioni di cui ho bisogno","missingTheInformationINeed","thumb-down"],["Troppo complicato/troppi passaggi","tooComplicatedTooManySteps","thumb-down"],["Obsoleti","outOfDate","thumb-down"],["Problema di traduzione","translationIssue","thumb-down"],["Problema relativo a esempi/codice","samplesCodeIssue","thumb-down"],["Altra","otherDown","thumb-down"]],["Ultimo aggiornamento 2025-07-27 UTC."],[],[],null,["# tuningfork::VectorStream Struct Reference\n\ntuningfork::VectorStream\n========================\n\n`#include \u003cprotobuf_nano_util.h\u003e`\n\nA view on the vector provided in `vec`.\n\nSummary\n-------\n\nNo ownership is taken.\n\n| Details ||\n|------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Parameters | |-------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `vec` | Example usage: ```css+lasso std::vector\u003cuint8_t\u003e v; VectorStream str {&v, 0}; pb_ostream_t stream = {VectorStream::Write, &str, SIZE_MAX, 0}; pb_encode(&stream, ...); ``` | |\n\n| ### Public attributes ||\n|-------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------|\n| [it](#structtuningfork_1_1_vector_stream_1a15e8cd3ec11280c7e7060563a197d195) | `size_t` The current position in the vector while decoding or encoding. |\n| [vec](#structtuningfork_1_1_vector_stream_1a3fc88833828997802f63f25ecfc9596e) | `std::vector\u003c uint8_t \u003e *` A vector of bytes that must be valid while `Read` or `Write` are called. |\n\n| ### Public static functions ||\n|-------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------|\n| [Read](#structtuningfork_1_1_vector_stream_1add5291b48820efba50df20aed1acf095)`(pb_istream_t *stream, uint8_t *buf, size_t count)` | `bool` Read `count` bytes from the stream to the given buffer. |\n| [Write](#structtuningfork_1_1_vector_stream_1a9a25c5eebeb2335dfcb069e247784cf8)`(pb_ostream_t *stream, const uint8_t *buf, size_t count)` | `bool` Write `count` bytes from the given buffer to the stream. |\n\nPublic attributes\n-----------------\n\n### it\n\n```scdoc\nsize_t tuningfork::VectorStream::it\n``` \nThe current position in the vector while decoding or encoding. \n\n### vec\n\n```scdoc\nstd::vector\u003c uint8_t \u003e * tuningfork::VectorStream::vec\n``` \nA vector of bytes that must be valid while `Read` or `Write` are called.\n\nThe vector will be resized as needed by `Write`.\n\nPublic static functions\n-----------------------\n\n### Read\n\n```scdoc\nbool tuningfork::VectorStream::Read(\n pb_istream_t *stream,\n uint8_t *buf,\n size_t count\n)\n``` \nRead `count` bytes from the stream to the given buffer.\n\n\u003cbr /\u003e\n\n| Details ||\n|-------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Parameters | |----------|------------------------------| | `stream` | The stream to read from. | | `buf` | The buffer to write to. | | `count` | The number of bytes to read. | |\n| **Returns** | true if successful, false on a read error. |\n\n### Write\n\n```gdscript\nbool tuningfork::VectorStream::Write(\n pb_ostream_t *stream,\n const uint8_t *buf,\n size_t count\n)\n``` \nWrite `count` bytes from the given buffer to the stream.\n\n\u003cbr /\u003e\n\n| Details ||\n|-------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Parameters | |----------|-------------------------------| | `stream` | The stream to write to. | | `buf` | The buffer to read from. | | `count` | The number of bytes to write. | |\n| **Returns** | true if successful, false on a write error. |"]]
