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fix:use builtin memmove

pull/9033/head
NikoMalik 2025-10-05 12:30:51 +03:00
parent 31ba6534cf
commit 1c0282d658
1 changed files with 1 additions and 12 deletions
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13
src/fastmem.zig
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@ -5,18 +5,7 @@ const assert = std.debug.assert;
/// Same as std.mem.copyForwards/Backwards but prefers libc memmove if it is /// Same as std.mem.copyForwards/Backwards but prefers libc memmove if it is
/// available because it is generally much faster. /// available because it is generally much faster.
pub inline fn move(comptime T: type, dest: []T, source: []const T) void { pub inline fn move(comptime T: type, dest: []T, source: []const T) void {
if (builtin.link_libc) { @memmove(dest, source);
_ = memmove(dest.ptr, source.ptr, source.len * @sizeOf(T));
} else {
// Depending on the ordering of the copy, we need to use the
// proper call here. Unfortunately this function call is
// too generic to know this at comptime.
if (@intFromPtr(dest.ptr) <= @intFromPtr(source.ptr)) {
std.mem.copyForwards(T, dest, source);
} else {
std.mem.copyBackwards(T, dest, source);
}
}
} }
/// Same as @memcpy but prefers libc memcpy if it is available /// Same as @memcpy but prefers libc memcpy if it is available