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-rw-r--r--bin/1sh/output.c376
1 files changed, 0 insertions, 376 deletions
diff --git a/bin/1sh/output.c b/bin/1sh/output.c
deleted file mode 100644
index af93ec6d..00000000
--- a/bin/1sh/output.c
+++ /dev/null
@@ -1,376 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright (c) 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Kenneth Almquist.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)output.c	8.2 (Berkeley) 5/4/95";
-#endif
-#endif /* not lint */
-#include <sys/cdefs.h>
-/* $FreeBSD: releng/12.1/bin/sh/output.c 345613 2019-03-27 21:53:44Z jilles $ */
-
-/*
- * Shell output routines.  We use our own output routines because:
- *	When a builtin command is interrupted we have to discard
- *		any pending output.
- *	When a builtin command appears in back quotes, we want to
- *		save the output of the command in a region obtained
- *		via malloc, rather than doing a fork and reading the
- *		output of the command via a pipe.
- */
-
-#include <stdio.h>	/* defines BUFSIZ */
-#include <string.h>
-#include <stdarg.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <wchar.h>
-#include <wctype.h>
-
-#include "shell.h"
-#include "syntax.h"
-#include "output.h"
-#include "memalloc.h"
-#include "error.h"
-#include "var.h"
-
-
-#define OUTBUFSIZ BUFSIZ
-#define MEM_OUT -2		/* output to dynamically allocated memory */
-#define OUTPUT_ERR 01		/* error occurred on output */
-
-static int doformat_wr(void *, const char *, int);
-
-struct output output = {NULL, NULL, NULL, OUTBUFSIZ, 1, 0};
-struct output errout = {NULL, NULL, NULL, 256, 2, 0};
-struct output memout = {NULL, NULL, NULL, 64, MEM_OUT, 0};
-struct output *out1 = &output;
-struct output *out2 = &errout;
-
-void
-outcslow(int c, struct output *file)
-{
-	outc(c, file);
-}
-
-void
-out1str(const char *p)
-{
-	outstr(p, out1);
-}
-
-void
-out1qstr(const char *p)
-{
-	outqstr(p, out1);
-}
-
-void
-out2str(const char *p)
-{
-	outstr(p, out2);
-}
-
-void
-out2qstr(const char *p)
-{
-	outqstr(p, out2);
-}
-
-void
-outstr(const char *p, struct output *file)
-{
-	outbin(p, strlen(p), file);
-}
-
-static void
-byteseq(int ch, struct output *file)
-{
-	char seq[4];
-
-	seq[0] = '\\';
-	seq[1] = (ch >> 6 & 0x3) + '0';
-	seq[2] = (ch >> 3 & 0x7) + '0';
-	seq[3] = (ch & 0x7) + '0';
-	outbin(seq, 4, file);
-}
-
-static void
-outdqstr(const char *p, struct output *file)
-{
-	const char *end;
-	mbstate_t mbs;
-	size_t clen;
-	wchar_t wc;
-
-	memset(&mbs, '\0', sizeof(mbs));
-	end = p + strlen(p);
-	outstr("$'", file);
-	while ((clen = mbrtowc(&wc, p, end - p + 1, &mbs)) != 0) {
-		if (clen == (size_t)-2) {
-			while (p < end)
-				byteseq(*p++, file);
-			break;
-		}
-		if (clen == (size_t)-1) {
-			memset(&mbs, '\0', sizeof(mbs));
-			byteseq(*p++, file);
-			continue;
-		}
-		if (wc == L'\n')
-			outcslow('\n', file), p++;
-		else if (wc == L'\r')
-			outstr("\\r", file), p++;
-		else if (wc == L'\t')
-			outstr("\\t", file), p++;
-		else if (!iswprint(wc)) {
-			for (; clen > 0; clen--)
-				byteseq(*p++, file);
-		} else {
-			if (wc == L'\'' || wc == L'\\')
-				outcslow('\\', file);
-			outbin(p, clen, file);
-			p += clen;
-		}
-	}
-	outcslow('\'', file);
-}
-
-/* Like outstr(), but quote for re-input into the shell. */
-void
-outqstr(const char *p, struct output *file)
-{
-	int i;
-
-	if (p[0] == '\0') {
-		outstr("''", file);
-		return;
-	}
-	for (i = 0; p[i] != '\0'; i++) {
-		if ((p[i] > '\0' && p[i] < ' ' && p[i] != '\n') ||
-		    (p[i] & 0x80) != 0 || p[i] == '\'') {
-			outdqstr(p, file);
-			return;
-		}
-	}
-
-	if (p[strcspn(p, "|&;<>()$`\\\" \n*?[~#=")] == '\0' ||
-			strcmp(p, "[") == 0) {
-		outstr(p, file);
-		return;
-	}
-
-	outcslow('\'', file);
-	outstr(p, file);
-	outcslow('\'', file);
-}
-
-void
-outbin(const void *data, size_t len, struct output *file)
-{
-	const char *p;
-
-	p = data;
-	while (len-- > 0)
-		outc(*p++, file);
-}
-
-void
-emptyoutbuf(struct output *dest)
-{
-	int offset, newsize;
-
-	if (dest->buf == NULL) {
-		INTOFF;
-		dest->buf = ckmalloc(dest->bufsize);
-		dest->nextc = dest->buf;
-		dest->bufend = dest->buf + dest->bufsize;
-		INTON;
-	} else if (dest->fd == MEM_OUT) {
-		offset = dest->nextc - dest->buf;
-		newsize = dest->bufsize << 1;
-		INTOFF;
-		dest->buf = ckrealloc(dest->buf, newsize);
-		dest->bufsize = newsize;
-		dest->bufend = dest->buf + newsize;
-		dest->nextc = dest->buf + offset;
-		INTON;
-	} else {
-		flushout(dest);
-	}
-}
-
-
-void
-flushall(void)
-{
-	flushout(&output);
-	flushout(&errout);
-}
-
-
-void
-flushout(struct output *dest)
-{
-
-	if (dest->buf == NULL || dest->nextc == dest->buf || dest->fd < 0)
-		return;
-	if (xwrite(dest->fd, dest->buf, dest->nextc - dest->buf) < 0)
-		dest->flags |= OUTPUT_ERR;
-	dest->nextc = dest->buf;
-}
-
-
-void
-freestdout(void)
-{
-	output.nextc = output.buf;
-}
-
-
-int
-outiserror(struct output *file)
-{
-	return (file->flags & OUTPUT_ERR);
-}
-
-
-void
-outclearerror(struct output *file)
-{
-	file->flags &= ~OUTPUT_ERR;
-}
-
-
-void
-outfmt(struct output *file, const char *fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	doformat(file, fmt, ap);
-	va_end(ap);
-}
-
-
-void
-out1fmt(const char *fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	doformat(out1, fmt, ap);
-	va_end(ap);
-}
-
-void
-out2fmt_flush(const char *fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	doformat(out2, fmt, ap);
-	va_end(ap);
-	flushout(out2);
-}
-
-void
-fmtstr(char *outbuf, int length, const char *fmt, ...)
-{
-	va_list ap;
-
-	INTOFF;
-	va_start(ap, fmt);
-	vsnprintf(outbuf, length, fmt, ap);
-	va_end(ap);
-	INTON;
-}
-
-static int
-doformat_wr(void *cookie, const char *buf, int len)
-{
-	struct output *o;
-
-	o = (struct output *)cookie;
-	outbin(buf, len, o);
-
-	return (len);
-}
-
-void
-doformat(struct output *dest, const char *f, va_list ap)
-{
-	FILE *fp;
-
-	if ((fp = fwopen(dest, doformat_wr)) != NULL) {
-		vfprintf(fp, f, ap);
-		fclose(fp);
-	}
-}
-
-FILE *
-out1fp(void)
-{
-	return fwopen(out1, doformat_wr);
-}
-
-/*
- * Version of write which resumes after a signal is caught.
- */
-
-int
-xwrite(int fd, const char *buf, int nbytes)
-{
-	int ntry;
-	int i;
-	int n;
-
-	n = nbytes;
-	ntry = 0;
-	for (;;) {
-		i = write(fd, buf, n);
-		if (i > 0) {
-			if ((n -= i) <= 0)
-				return nbytes;
-			buf += i;
-			ntry = 0;
-		} else if (i == 0) {
-			if (++ntry > 10)
-				return nbytes - n;
-		} else if (errno != EINTR) {
-			return -1;
-		}
-	}
-}