NAME

       bson_reader_read_func_t - bson_reader_read_func_t

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

       2018, MongoDB, Inc