Provided by: libbson-doc_1.3.1-1_all
NAME
bson_reader_read_func_t - A callback function that will be called by bson_reader_t to read the next chunk of data from the underlying opaque file descriptor.
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 \&.
COLOPHON
This page is part of libbson. Please report any bugs at https://jira.mongodb.org/browse/CDRIVER.