blob: dfdad01abf9df948e5e82aeb5857622ececdcf13 (
plain)
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
|
// These functions are provided when not linking against libc because LLVM
// sometimes generates code that calls them.
// Note that these functions do not return `dest`, like the libc API.
// The semantics of these functions is dictated by the corresponding
// LLVM intrinsics, not by the libc API.
export fn memset(dest: ?&u8, c: u8, n: usize) {
@setDebugSafety(this, false);
if (n == 0)
return;
const d = ??dest;
var index: usize = 0;
while (index != n; index += 1)
d[index] = c;
}
export fn memcpy(noalias dest: ?&u8, noalias src: ?&const u8, n: usize) {
@setDebugSafety(this, false);
if (n == 0)
return;
const d = ??dest;
const s = ??src;
var index: usize = 0;
while (index != n; index += 1)
d[index] = s[index];
}
// Avoid dragging in the debug safety mechanisms into this .o file.
pub fn panic(message: []const u8) -> unreachable {
@unreachable();
}
|
