--- Libc/Libc-1725.40.4/libdarwin/stdio.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/*
- * Copyright (c) 2018 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 API
-int
-fcheck_np(FILE *f, size_t n, size_t expected)
-{
-	if (n == expected) {
-		return 0;
-	}
-	if (feof(f)) {
-		return EOF;
-	}
-	if (ferror(f)) {
-		return 1;
-	}
-	__builtin_unreachable();
-}
-
-os_fd_t
-dup_np(os_fd_t fd)
-{
-	os_fd_t dfd = -1;
-
-	while (true) {
-		dfd = dup(fd);
-
-		if (os_fd_valid(dfd)) {
-			break;
-		}
-
-		switch (errno) {
-		case EINTR:
-			break;
-		case EBADF:
-			os_crash("bad fd");
-		case EMFILE:
-		case ENFILE:
-			os_crash("failed to dup fd");
-		default:
-			os_crash("unhandled error: %s", symerror_np(errno));
-		}
-	}
-
-	return dfd;
-}
-
-os_fd_t
-claimfd_np(os_fd_t *fdp, const guardid_t *gdid, u_int gdflags)
-{
-	int ret = -1;
-	int fd = *fdp;
-
-	if (gdid) {
-		ret = change_fdguard_np(fd, NULL, 0, gdid, gdflags, NULL);
-		if (ret) {
-			os_crash("change_fdguard_np: %{darwin.errno}d", errno);
-		}
-	}
-
-	*fdp = -1;
-	return fd;
-}
-
-os_fd_t
-xferfd_np(os_fd_t *fdp, const guardid_t *gdid, u_int gdflags)
-{
-	int ret = -1;
-	int fd = *fdp;
-
-	ret = change_fdguard_np(fd, gdid, gdflags, NULL, 0, NULL);
-	if (ret) {
-		os_crash("change_fdguard_np: %{darwin.errno}d", errno);
-	}
-
-	*fdp = -1;
-	return fd;
-}
-
-void
-close_drop_np(os_fd_t *fdp, const guardid_t *gdid)
-{
-	int ret = -1;
-	int fd = *fdp;
-
-	if (gdid) {
-		ret = guarded_close_np(fd, gdid);
-	} else {
-		ret = close(fd);
-	}
-
-	posix_assert_zero(ret);
-	*fdp = -1;
-}
-
-void
-close_drop_optional_np(os_fd_t *fdp, const guardid_t *gdid)
-{
-	if (!os_fd_valid(*fdp)) {
-		return;
-	}
-	close_drop_np(fdp, gdid);
-}
-
-size_t
-zsnprintf_np(char *buff, size_t len, const char *fmt, ...)
-{
-	int np = 0;
-	va_list ap;
-
-	va_start(ap, fmt);
-	np = vsnprintf(buff, len, fmt, ap);
-	va_end(ap);
-
-	if (np < 0) {
-		np = 0;
-	} else if ((size_t)np >= len) {
-		np = (int)len - 1;
-	}
-
-	return (size_t)np;
-}
-
-void
-crfprintf_np(FILE *f, const char *fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	vcrfprintf_np(f, fmt, ap);
-	va_end(ap);
-}
-
-void
-vcrfprintf_np(FILE *f, const char *fmt, va_list ap)
-{
-	vfprintf(f, fmt, ap);
-	fprintf(f, "\n");
-}
-
-void
-wfprintf_np(FILE *f, ssize_t initpad, size_t pad, size_t width,
-		const char *fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	vwfprintf_np(f, initpad, pad, width, fmt, ap);
-	va_end(ap);
-}
-
-void
-vwfprintf_np(FILE *f, ssize_t initpad, size_t pad, size_t width,
-		const char *fmt, va_list ap)
-{
-	char *__os_free string = NULL;
-	char *__os_free working = NULL;
-	char *__os_free init_padding = NULL;
-	char *__os_free padding = NULL;
-	const char *curline = NULL;;
-	size_t left = 0;
-	size_t initpad_labs = (size_t)labs(initpad);
-	int ret = -1;
-
-	if (width && width <= pad) {
-		os_crash("width cannot be smaller than pad");
-	}
-	if (width && (initpad > 0) && width <= initpad_labs) {
-		os_crash("width cannot be smaller than initpad");
-	}
-	if (width && (initpad < 0) && width <= initpad_labs) {
-		os_crash("width cannot be smaller than negative initpad");
-	}
-
-	ret = vasprintf(&string, fmt, ap);
-	if (ret < 0 || !string) {
-		return;
-	}
-
-	left = (size_t)ret;
-	curline = string;
-
-	// The working buffer will always be large enough to handle any individual
-	// line. vasprintf(3) returns the number of characters printed not including
-	// the null terminator, so add space for that.
-	working = malloc(left + 1);
-	if (!working) {
-		return;
-	}
-
-	init_padding = malloc(initpad_labs + 1);
-	if (!init_padding) {
-		return;
-	}
-
-	if (initpad >= 0) {
-		memset(init_padding, ' ', initpad);
-		init_padding[initpad] = 0;
-	} else {
-		init_padding[0] = 0;
-	}
-
-	padding = malloc(pad + 1);
-	if (!padding) {
-		return;
-	}
-
-	memset(padding, ' ', pad);
-	padding[pad] = 0;
-
-	do {
-		size_t which_pad = pad;
-		char *which_padding = padding;
-		bool findspace = true;
-		size_t n2consume = 0;
-		char *breakchar = NULL;
-
-		if (curline == string) {
-			which_padding = init_padding;
-			which_pad = initpad_labs;
-		}
-
-		if (width == 0) {
-			// Width is unconstrained so just consume the entire string and
-			// indent any new lines within.
-			n2consume = left;
-			findspace = false;
-		} else {
-			n2consume = width - which_pad;
-			if (n2consume >= left) {
-				n2consume = left;
-				findspace = false;
-			}
-		}
-
-		strlcpy(working, curline, n2consume + 1);
-		breakchar = strchr(working, '\n');
-		if (!breakchar && findspace) {
-			// No new line within our maximally-constrained width of characters,
-			// so search for a space instead.
-			breakchar = strrchr(working, ' ');
-		}
-
-		if (breakchar) {
-			// Found something to break on, so nerf it and only consume the
-			// characters up until that break character.
-			*breakchar = 0;
-			n2consume = (size_t)(breakchar - working);
-			curline += n2consume + 1;
-		}
-
-		fprintf(f, "%s%s\n", which_padding, working);
-		left -= n2consume;
-	} while (left);
-}