QB_RB_CHUNK_ALLOC(3)       libqb Programmer's Manual      QB_RB_CHUNK_ALLOC(3)

NAME
       qb_rb_chunk_alloc - Allocate space for a chunk of the given size.


SYNOPSIS
       #include <qb/qbrb.h>

       void * qb_rb_chunk_alloc(
           qb_ringbuffer_t   *rb,
           size_t             len
       );

PARAMS
       rb  ringbuffer instance

       len (in) the size to allocate.

DESCRIPTION
       If type == QB_RB_FLAG_OVERWRITE and NULL is returned, memory corruption
       of the memory file has occurred. The ringbuffer should be destroyed. If
       type == QB_RB_NORMAL then when there is not enough space it will return
       NULL.

RETURN VALUE
       pointer to chunk to write to, or NULL (if no space).

SEE ALSO
       qb_rb_close(3), qb_rb_refcount_get(3), qb_rb_chmod(3), qb_rb_chown(3),
       qb_rb_open(3), qb_rb_write_to_file(3), qb_rb_create_from_file(3),
       qb_rb_chunks_used(3), qb_rb_chunk_reclaim(3), qb_rb_space_used(3),
       qb_rb_chunk_write(3), qb_rb_shared_user_data_get(3),
       qb_rb_chunk_commit(3), qb_rb_chunk_peek(3), qb_rb_space_free(3),
       qb_rb_name_get(3), qb_rb_chunk_read(3)

COPYRIGHT
       Copyright (C) 2010-2020 Red Hat, Inc.

LIBQB                             2021-03-03              QB_RB_CHUNK_ALLOC(3)