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Unify memset usage across platforms and core:c/libc

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This commit is contained in:
gingerBill
2021-09-10 15:59:14 +01:00
parent c519ab9401
commit 12af657369
7 changed files with 4 additions and 174 deletions
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core/runtime/procs_windows_amd64.odin
-56
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@@ -26,59 +26,3 @@ windows_trap_type_assertion :: proc "contextless" () -> ! {
// @private
// @(link_name="_fltused")
// _fltused: i32 = 0x9875;
// @(link_name="memcpy")
memcpy :: proc "c" (dst, src: rawptr, len: int) -> rawptr {
foreign kernel32 {
RtlCopyMemory :: proc "c" (dst, src: rawptr, len: int) ---
}
if dst == nil || src == nil || len == 0 {
return dst
}
RtlCopyMemory(dst, src, len)
return dst
}
// @(link_name="memmove")
memmove :: proc "c" (dst, src: rawptr, len: int) -> rawptr {
foreign kernel32 {
RtlMoveMemory :: proc "c" (dst, src: rawptr, len: int) ---
}
if dst == nil || src == nil || len == 0 {
return dst
}
RtlMoveMemory(dst, src, len)
return dst
}
// @(link_name="memset")
memset :: proc "c" (ptr: rawptr, val: i32, len: int) -> rawptr #no_bounds_check {
if ptr != nil && len != 0 {
b := byte(val)
p := ([^]byte)(ptr)[:len]
for v in &p {
v = b
}
}
return ptr
}
// @(link_name="memcmp")
// memcmp :: proc "c" (dst, src: rawptr, len: int) -> i32 {
// if dst == nil || src == nil {
// return 0;
// }
// if dst == src {
// return 0;
// }
// d, s := uintptr(dst), uintptr(src);
// n := uintptr(len);
// for i := uintptr(0); i < n; i += 1 {
// x, y := (^byte)(d+i)^, (^byte)(s+i)^;
// if x != y {
// return x < y ? -1 : +1;
// }
// }
// return 0;
// }