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darwin/libc_hooks.c Libc-1725.40.4 /dev/null
--- Libc/Libc-1725.40.4/darwin/libc_hooks.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
-* Copyright (c) 2024 Apple Inc. All rights reserved.
-*
-* @APPLE_LICENSE_HEADER_START@
-*
-* This file contains Original Code and/or Modifications of Original Code
-* as defined in and that are subject to the Apple Public Source License
-* Version 2.0 (the 'License'). You may not use this file except in
-* compliance with the License. Please obtain a copy of the License at
-* http://www.opensource.apple.com/apsl/ and read it before using this
-* file.
-*
-* The Original Code and all software distributed under the License are
-* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
-* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
-* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
-* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
-* Please see the License for the specific language governing rights and
-* limitations under the License.
-*
-* @APPLE_LICENSE_HEADER_END@
-*/
-
-#include "libc_hooks.h"
-
-#include <assert.h>
-
-__attribute__((visibility("hidden"))) libc_hooks_t libc_hooks;
-
-void
-libc_set_introspection_hooks(const libc_hooks_t *new_hooks, libc_hooks_t *old_hooks, size_t size) {
-	// Any version of the hooks always contains at least the version as the first field
-	assert(size >= sizeof(libc_hooks_version));
-
-	if (old_hooks) {
-		// There are no older versions of the SPI so we can just assert here
-		assert(size >= sizeof(libc_hooks));
-
-		// If caller is offering an oversized libc_hooks_t, it could be
-		// from a later version of the SPI zero that part out
-		if (size > sizeof(libc_hooks))
-			bzero(old_hooks + sizeof(libc_hooks), size - sizeof(libc_hooks));
-
-		// We have the room to copy the current libc_hooks back to the user
-		*old_hooks = libc_hooks;
-	}
-
-	if (new_hooks) {
-		// There are no older versions of the SPI so we can just assert here
-		assert(new_hooks->version >= libc_hooks_version);
-
-		// The size had better be at least big enough to hold our libc_hooks
-		// since libc_hooks is only allowed to grow
-		assert(size >= sizeof(libc_hooks));
-
-		// Copy new_hooks since it's lifetime of new_hooks is unknowable.
-		libc_hooks = *new_hooks;
-
-		// Set the version since we might have been offered a version of
-		// libc_hooks_t from the future that we don't know what to do with.
-		libc_hooks.version = libc_hooks_version;
-	}
-}