1QB_RB_CHUNK_ALLOC(3)       libqb Programmer's Manual      QB_RB_CHUNK_ALLOC(3)
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NAME

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

10       #include <qb/qbrb.h>
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12       void* qb_rb_chunk_alloc(
13           qb_ringbuffer_t   *rb, /* ringbuffer instance */
14           size_t             len  /* (in) the size to allocate. */
15       );
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PARAMS

18       rb  ringbuffer instance
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20       len (in) the size to allocate.
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DESCRIPTION

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

29       pointer to chunk to write to, or NULL (if no space).
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SEE ALSO

32       qb_rb_close(3), qb_rb_refcount_get(3), qb_rb_chmod(3), qb_rb_chown(3),
33       qb_rb_open(3), qb_rb_write_to_file(3), qb_rb_create_from_file(3),
34       qb_rb_chunks_used(3), qb_rb_chunk_reclaim(3), qb_rb_space_used(3),
35       qb_rb_chunk_write(3), qb_rb_shared_user_data_get(3),
36       qb_rb_chunk_commit(3), qb_rb_chunk_peek(3), qb_rb_space_free(3),
37       qb_rb_name_get(3), qb_rb_chunk_read(3)
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40       Copyright (C) 2010-2020 Red Hat, Inc.
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44LIBQB                             2021-11-12              QB_RB_CHUNK_ALLOC(3)
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