blob: fcda29db77e314dffd08f5d274efdfda7a6b8822 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/**
* slibc — Yet another C library
* Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
/**
* Copy a memory segment to another, non-overlapping, segment.
*
* @param whither The destination memory segment.
* @param whence The source memory segment.
* @param size The number of bytes to copy.
* @return `whither` is returned.
*/
void* memcpy(void* restrict whither, const void* restrict whence, size_t size)
{
char* d = whither;
const char* s = whence;
while (size--)
*d++ = *s++;
return whither;
}
|