bson_reader_read_func_t(3)
| BSON_READER_READ_FUNC_T(3) | libbson | BSON_READER_READ_FUNC_T(3) |
SYNOPSIS
typedef ssize_t (*bson_reader_read_func_t) (void *handle,
void *buf,
size_t count);
PARAMETERS
- handle: The handle to read from.
- buf: The buffer to read into.
- count: The number of bytes to read.
DESCRIPTION
A callback function that will be called by bson_reader_t <> to read the next chunk of data from the underlying opaque file descriptor.
This function is meant to operate similar to the read(2) function as part of libc on UNIX-like systems.
RETURNS
0 for end of stream.
-1 for a failure on read.
A value greater than zero for the number of bytes read into buf.
Author
MongoDB, Inc
Copyright
2009-present, MongoDB, Inc.
| February 10, 2026 | 1.30.7 |
