--- xnu/xnu-12377.101.15/libsyscall/mach/string.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright (c) 2010 Apple Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_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. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * 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_OSREFERENCE_LICENSE_HEADER_END@
- */
-
-#include "string.h"
-
-static const char hex[] = "0123456789abcdef";
-
-static int
-_mach_strlen(const char *str)
-{
-	const char *p;
-	for (p = str; p; p++) {
-		if (*p == '\0') {
-			return (int)(p - str);
-		}
-	}
-	/* NOTREACHED */
-	return 0;
-}
-
-static void
-_mach_hex(char **buffer, int *length, unsigned long long n)
-{
-	char buf[32];
-	char *cp = buf + sizeof(buf);
-
-	if (n) {
-		*--cp = '\0';
-		while (n) {
-			*--cp = hex[n & 0xf];
-			n >>= 4;
-		}
-
-		int width = _mach_strlen(cp);
-		while (width > 0 && length > 0) {
-			*(*buffer)++ = *cp++;
-			(*length)--;
-			width--;
-		}
-	}
-}
-
-int
-_mach_vsnprintf(char *buffer, int length, const char *fmt, va_list ap)
-{
-	int width, max = length;
-	char *out_ptr = buffer;
-
-	// we only ever write n-1 bytes so we can put a \0 at the end
-	length--;
-	while (length > 0 && *fmt) {
-		if (*fmt == '\0') {
-			break;
-		}
-		if (*fmt != '%') {
-			*(out_ptr++) = *(fmt++);
-			length--;
-			continue;
-		}
-		fmt++;
-		// only going to support a specific subset of sprintf flags
-		// namely %s, %x, with no padding modifiers
-		switch (*fmt++) {
-		case 's':
-		{
-			char *cp = va_arg(ap, char*);
-			width = _mach_strlen(cp);
-			while (width > 0 && length > 0) {
-				*(out_ptr++) = *(cp++);
-				width--;
-				length--;
-			}
-			break;
-		}
-		case 'x':
-		{
-			_mach_hex(&out_ptr, &length, va_arg(ap, unsigned int));
-			break;
-		}
-		}
-	}
-	if (max > 0) {
-		*out_ptr = '\0';
-	}
-	return max - (length + 1); /* don't include the final NULL in the return value */
-}
-
-int
-_mach_snprintf(char *buffer, int length, const char *fmt, ...)
-{
-	int ret;
-	va_list ap;
-	va_start(ap, fmt);
-	ret = _mach_vsnprintf(buffer, length, fmt, ap);
-	va_end(ap);
-	return ret;
-}