glibc/malloc/alloc_buffer_copy_bytes.c

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/* Copy an array of bytes into the buffer.
Copyright (C) 2017-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <alloc_buffer.h>
#include <string.h>
/* This function works on a copy of the buffer object, so that it can
remain non-addressable in the caller. */
struct alloc_buffer
__libc_alloc_buffer_copy_bytes (struct alloc_buffer buf,
const void *src, size_t len)
{
void *ptr = alloc_buffer_alloc_bytes (&buf, len);
if (ptr != NULL)
memcpy (ptr, src, len);
return buf;
}
libc_hidden_def (__libc_alloc_buffer_copy_bytes)