--- libmalloc/libmalloc-521.120.7/src/malloc_common.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * Copyright (c) 2018-2023 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 "internal.h"
-
-#pragma mark -
-#pragma mark Utility Functions
-
-// libplatform does not have strstr() and we don't want to add any new
-// dependencies on libc, so we have to implement a version of strstr()
-// here. Fortunately, as it's only used to look for boot arguments, it does not
-// have to be efficient. We can also assume that the source string is
-// nul-terminated. Eventually, we will move the function to a more central
-// location and use it to replace other uses of strstr().
-const char * __null_terminated
-malloc_common_strstr(const char * __null_terminated src, const char * __counted_by(target_len) target, size_t target_len)
-{
-#if !MALLOC_TARGET_EXCLAVES
-	const char *next = src;
-	while (*next) {
-		if (!strncmp(next, target, target_len)) {
-			return next;
-		}
-		next++;
-	}
-	return NULL;
-#else
-	return strstr(src, __unsafe_null_terminated_from_indexable(target, target + target_len));
-#endif // MALLOC_TARGET_EXCLAVES
-}
-
-// Converts a string to a long. If a non-numeric value is found, the
-// return value is whatever has been accumulated so far. end_ptr always points
-// to the character that caused the conversion to stop. We can't use strtol()
-// etc because that would add a new dependency on libc. Eventually, this
-// function could be made generally available within the library and used to
-// replace the existing calls to strtol(). Currenly only handles non-negative
-// numbers and does not detect overflow.
-long
-malloc_common_convert_to_long(const char * __null_terminated ptr, const char * __null_terminated *end_ptr)
-{
-#if !MALLOC_TARGET_EXCLAVES
-	long value = 0;
-	while (*ptr) {
-		char c = *ptr;
-		if (c < '0' || c > '9') {
-			break;
-		}
-		value = value * 10 + (c - '0');
-		ptr++;
-	}
-	*end_ptr = ptr;
-	return value;
-#else
-	return strtol(ptr, (char * __null_terminated *)end_ptr, 10);
-#endif // MALLOC_TARGET_EXCLAVES
-}
-
-// Looks for a sequence of the form "key=value" in the string 'src' and
-// returns the location of the first character of 'value', or NULL if not
-// found. No spaces are permitted around the "=".
-const char * __null_terminated
-malloc_common_value_for_key(const char * __null_terminated src, const char * __null_terminated key)
-{
-	const char * __null_terminated ptr = src;
-	size_t keylen = strlen(key);
-	while ((ptr = malloc_common_strstr(ptr, __unsafe_forge_bidi_indexable(const char *, key, keylen), keylen)) != NULL) {
-		// Workaround for indexable pointers being incrementable by one only
-		for (size_t i = 0; i < keylen; ++i) {
-			++ptr;
-		}
-		if (*ptr == '=') {
-			return ptr + 1;
-		}
-	}
-	return NULL;
-}
-
-// Looks for a sequence of the form "key=value" in the string 'src' and
-// returns the location of the first character of 'value'. No spaces are
-// permitted around the "=". The value is copied to 'bufp', up to the first
-// whitespace or nul character and bounded by maxlen, and nul-terminated.
-// Returns bufp if the key was found, NULL if not.
-const char * __null_terminated
-malloc_common_value_for_key_copy(const char * __null_terminated src, const char * __null_terminated key,
-							   char * __counted_by(maxlen) bufp, size_t maxlen)
-{
-	const char * __null_terminated ptr = malloc_common_value_for_key(src, key);
-	if (ptr) {
-		size_t to_len = maxlen;
-		char * __counted_by(to_len) to = bufp;
-		while (to_len > 1) { // Always leave room for a '\0'
-			char c = *ptr++;
-			if (c == '\0' || c == ' ' || c == '\t' || c == '\n') {
-				break;
-			}
-			*to = c;
-			++to;
-			to_len--;
-		}
-		*to = '\0';	// Always nul-terminate
-		return __unsafe_null_terminated_from_indexable(bufp, to);
-	}
-	return NULL;
-}
-
-unsigned
-malloc_zone_batch_malloc_fallback(malloc_zone_t *zone, size_t size,
-		void * __unsafe_indexable * __counted_by(num_requested)  results, unsigned num_requested)
-{
-	unsigned allocated;
-	for (allocated = 0; allocated < num_requested; allocated++) {
-		void *ptr = zone->malloc(zone, size);
-		if (!ptr) {
-			break;
-		}
-
-		results[allocated] = ptr;
-	}
-
-	return allocated;
-}
-
-void
-malloc_zone_batch_free_fallback(malloc_zone_t *zone,
-		void * __unsafe_indexable * __counted_by(count) to_be_freed,
-		unsigned count)
-{
-	for (unsigned i = 1; i <= count; i++) {
-		// Note: we iterate backward because nano and magazine malloc both do,
-		// although that seems likely to just be a vestigial codegen
-		// optimization for ancient non-optimizing compilers
-		void * __unsafe_indexable ptr = to_be_freed[count - i];
-		if (ptr) {
-			zone->free(zone, ptr);
-		}
-	}
-}
-
-size_t
-malloc_zone_pressure_relief_fallback(malloc_zone_t *zone, size_t goal)
-{
-	return 0;
-}