asio C++ library

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buffer_copy (4 of 30 overloads)

Copies bytes from a source buffer to a target buffer.

std::size_t buffer_copy(
    const mutable_buffer & target,
    const mutable_buffers_1 & source);
Parameters

target

A modifiable buffer representing the memory region to which the bytes will be copied.

source

A modifiable buffer representing the memory region from which the bytes will be copied. The contents of the source buffer will not be modified.

Return Value

The number of bytes copied.

Remarks

The number of bytes copied is the lesser of:

This function is implemented in terms of memcpy, and consequently it cannot be used to copy between overlapping memory regions.


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