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vrb_move

vrb_move

Section: VRB Programmer's Manual (3) Updated: 2002-09-30
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NAME

vrb_move - read data into a VRB  

LIBRARY

-lvrb  

SYNOPSIS

#include <vrb.h>

size_t vrb_move(vrb_p target, vrb_p source, size_t size);  

DESCRIPTION

vrb_move moves data from one virtual ring buffer to another, up to the lesser of the available data in the source, the available space in the target, and the maximum size specified.  

ARGUMENTS

vrb_p target
specifies which virtual ring buffer to put data into.

vrb_p source
specifies which virtual ring buffer to get data from.

size_t size
specifies the maximum length to move, or ~0 for unlimited (all of buffer).  

RETURN VALUE

size_t
If successful, the actual length of data moved is returned. If an error occurs, ~0 is returned.  

ERRORS

If an error is returned, then errno will have the following value:
EINVAL
An invalid virtual ring buffer pointer was specified for either the target or the source.
 

SEE ALSO

vrb(3), vrb_capacity(3), vrb_data_len(3), vrb_data_ptr(3), vrb_destroy(3), vrb_get(3), vrb_get_min(3), vrb_give(3), vrb_init(3), vrb_init_opt(3), vrb_is_empty(3), vrb_is_full(3), vrb_is_not_empty(3), vrb_is_not_full(3), vrb_new(3), vrb_new_opt(3), vrb_put(3), vrb_put_all(3), vrb_read(3), vrb_read_min(3), vrb_resize(3), vrb_space_len(3), vrb_space_ptr(3), vrb_take(3), vrb_uninit(3), vrb_write(3), vrb_write_min(3)


 

Index

NAME
LIBRARY
SYNOPSIS
DESCRIPTION
ARGUMENTS
RETURN VALUE
ERRORS
SEE ALSO

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Time: 21:58:08 GMT, April 16, 2011