3 files changed, 11 insertions, 10 deletions
diff --git a/lib/std/hash/cityhash.zig b/lib/std/hash/cityhash.zig
index 23b3ce02da..d0884b135f 100644
--- a/lib/std/hash/cityhash.zig
+++ b/lib/std/hash/cityhash.zig
@@ -348,8 +348,8 @@ fn SMHasherTest(comptime hash_fn: anytype) u32 {
     var key: [256]u8 = undefined;
     var hashes_bytes: [256 * @sizeOf(HashResult)]u8 = undefined;
 
-    std.mem.set(u8, &key, 0);
-    std.mem.set(u8, &hashes_bytes, 0);
+    @memset(&key, 0);
+    @memset(&hashes_bytes, 0);
 
     var i: u32 = 0;
     while (i < 256) : (i += 1) {
diff --git a/lib/std/hash/wyhash.zig b/lib/std/hash/wyhash.zig
index 2f30c26b75..772395eab9 100644
--- a/lib/std/hash/wyhash.zig
+++ b/lib/std/hash/wyhash.zig
@@ -147,7 +147,7 @@ pub const Wyhash = struct {
 
         if (self.buf_len != 0 and self.buf_len + b.len >= 32) {
             off += 32 - self.buf_len;
-            mem.copy(u8, self.buf[self.buf_len..], b[0..off]);
+            @memcpy(self.buf[self.buf_len..][0..off], b[0..off]);
             self.state.update(self.buf[0..]);
             self.buf_len = 0;
         }
@@ -156,7 +156,8 @@ pub const Wyhash = struct {
         const aligned_len = remain_len - (remain_len % 32);
         self.state.update(b[off .. off + aligned_len]);
 
-        mem.copy(u8, self.buf[self.buf_len..], b[off + aligned_len ..]);
+        const src = b[off + aligned_len ..];
+        @memcpy(self.buf[self.buf_len..][0..src.len], src);
         self.buf_len += @intCast(u8, b[off + aligned_len ..].len);
     }
 
diff --git a/lib/std/hash/xxhash.zig b/lib/std/hash/xxhash.zig
index bf4877e029..88db1dc1bd 100644
--- a/lib/std/hash/xxhash.zig
+++ b/lib/std/hash/xxhash.zig
@@ -36,7 +36,7 @@ pub const XxHash64 = struct {
 
     pub fn update(self: *XxHash64, input: []const u8) void {
         if (input.len < 32 - self.buf_len) {
-            mem.copy(u8, self.buf[self.buf_len..], input);
+            @memcpy(self.buf[self.buf_len..][0..input.len], input);
             self.buf_len += input.len;
             return;
         }
@@ -45,7 +45,7 @@ pub const XxHash64 = struct {
 
         if (self.buf_len > 0) {
             i = 32 - self.buf_len;
-            mem.copy(u8, self.buf[self.buf_len..], input[0..i]);
+            @memcpy(self.buf[self.buf_len..][0..i], input[0..i]);
             self.processStripe(&self.buf);
             self.buf_len = 0;
         }
@@ -55,7 +55,7 @@ pub const XxHash64 = struct {
         }
 
         const remaining_bytes = input[i..];
-        mem.copy(u8, &self.buf, remaining_bytes);
+        @memcpy(self.buf[0..remaining_bytes.len], remaining_bytes);
         self.buf_len = remaining_bytes.len;
     }
 
@@ -165,7 +165,7 @@ pub const XxHash32 = struct {
 
     pub fn update(self: *XxHash32, input: []const u8) void {
         if (input.len < 16 - self.buf_len) {
-            mem.copy(u8, self.buf[self.buf_len..], input);
+            @memcpy(self.buf[self.buf_len..][0..input.len], input);
             self.buf_len += input.len;
             return;
         }
@@ -174,7 +174,7 @@ pub const XxHash32 = struct {
 
         if (self.buf_len > 0) {
             i = 16 - self.buf_len;
-            mem.copy(u8, self.buf[self.buf_len..], input[0..i]);
+            @memcpy(self.buf[self.buf_len..][0..i], input[0..i]);
             self.processStripe(&self.buf);
             self.buf_len = 0;
         }
@@ -184,7 +184,7 @@ pub const XxHash32 = struct {
         }
 
         const remaining_bytes = input[i..];
-        mem.copy(u8, &self.buf, remaining_bytes);
+        @memcpy(self.buf[0..remaining_bytes.len], remaining_bytes);
         self.buf_len = remaining_bytes.len;
     }