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-rw-r--r--release/picobsd/tinyware/ash/output.c584
1 files changed, 0 insertions, 584 deletions
diff --git a/release/picobsd/tinyware/ash/output.c b/release/picobsd/tinyware/ash/output.c
deleted file mode 100644
index f390a2d..0000000
--- a/release/picobsd/tinyware/ash/output.c
+++ /dev/null
@@ -1,584 +0,0 @@
-/* $NetBSD: output.c,v 1.19 1997/07/04 21:02:18 christos Exp $ */
-
-/*-
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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.
- */
-
-#include <sys/cdefs.h>
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)output.c 8.2 (Berkeley) 5/4/95";
-#else
-__RCSID("$NetBSD: output.c,v 1.19 1997/07/04 21:02:18 christos Exp $");
-#endif
-#endif /* not lint */
-
-/*
- * 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.
- * Our output routines may be smaller than the stdio routines.
- */
-
-#include <sys/types.h> /* quad_t */
-#include <sys/ioctl.h>
-
-#include <stdio.h> /* defines BUFSIZ */
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
-
-#include "shell.h"
-#include "syntax.h"
-#include "output.h"
-#include "memalloc.h"
-#include "error.h"
-
-
-#define OUTBUFSIZ BUFSIZ
-#define BLOCK_OUT -2 /* output to a fixed block of memory */
-#define MEM_OUT -3 /* output to dynamically allocated memory */
-#define OUTPUT_ERR 01 /* error occurred on output */
-
-
-struct output output = {NULL, 0, NULL, OUTBUFSIZ, 1, 0};
-struct output errout = {NULL, 0, NULL, 100, 2, 0};
-struct output memout = {NULL, 0, NULL, 0, MEM_OUT, 0};
-struct output *out1 = &output;
-struct output *out2 = &errout;
-
-
-
-#ifdef mkinit
-
-INCLUDE "output.h"
-INCLUDE "memalloc.h"
-
-RESET {
- out1 = &output;
- out2 = &errout;
- if (memout.buf != NULL) {
- ckfree(memout.buf);
- memout.buf = NULL;
- }
-}
-
-#endif
-
-
-#ifdef notdef /* no longer used */
-/*
- * Set up an output file to write to memory rather than a file.
- */
-
-void
-open_mem(block, length, file)
- char *block;
- int length;
- struct output *file;
- {
- file->nextc = block;
- file->nleft = --length;
- file->fd = BLOCK_OUT;
- file->flags = 0;
-}
-#endif
-
-
-void
-out1str(p)
- const char *p;
- {
- outstr(p, out1);
-}
-
-
-void
-out2str(p)
- const char *p;
- {
- outstr(p, out2);
-}
-
-
-void
-outstr(p, file)
- const char *p;
- struct output *file;
- {
- while (*p)
- outc(*p++, file);
- if (file == out2)
- flushout(file);
-}
-
-
-char out_junk[16];
-
-
-void
-emptyoutbuf(dest)
- struct output *dest;
- {
- int offset;
-
- if (dest->fd == BLOCK_OUT) {
- dest->nextc = out_junk;
- dest->nleft = sizeof out_junk;
- dest->flags |= OUTPUT_ERR;
- } else if (dest->buf == NULL) {
- INTOFF;
- dest->buf = ckmalloc(dest->bufsize);
- dest->nextc = dest->buf;
- dest->nleft = dest->bufsize;
- INTON;
- } else if (dest->fd == MEM_OUT) {
- offset = dest->bufsize;
- INTOFF;
- dest->bufsize <<= 1;
- dest->buf = ckrealloc(dest->buf, dest->bufsize);
- dest->nleft = dest->bufsize - offset;
- dest->nextc = dest->buf + offset;
- INTON;
- } else {
- flushout(dest);
- }
- dest->nleft--;
-}
-
-
-void
-flushall() {
- flushout(&output);
- flushout(&errout);
-}
-
-
-void
-flushout(dest)
- 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;
- dest->nleft = dest->bufsize;
-}
-
-
-void
-freestdout() {
- INTOFF;
- if (output.buf) {
- ckfree(output.buf);
- output.buf = NULL;
- output.nleft = 0;
- }
- INTON;
-}
-
-
-#ifdef __STDC__
-void
-outfmt(struct output *file, char *fmt, ...) {
- va_list ap;
-
- va_start(ap, fmt);
- doformat(file, fmt, ap);
- va_end(ap);
-}
-
-
-void
-out1fmt(char *fmt, ...) {
- va_list ap;
-
- va_start(ap, fmt);
- doformat(out1, fmt, ap);
- va_end(ap);
-}
-
-void
-dprintf(char *fmt, ...) {
- va_list ap;
-
- va_start(ap, fmt);
- doformat(out2, fmt, ap);
- va_end(ap);
- flushout(out2);
-}
-
-void
-fmtstr(char *outbuf, int length, char *fmt, ...) {
- va_list ap;
- struct output strout;
-
- va_start(ap, fmt);
- strout.nextc = outbuf;
- strout.nleft = length;
- strout.fd = BLOCK_OUT;
- strout.flags = 0;
- doformat(&strout, fmt, ap);
- outc('\0', &strout);
- if (strout.flags & OUTPUT_ERR)
- outbuf[length - 1] = '\0';
-}
-
-#else /* not __STDC__ */
-
-void
-outfmt(va_alist)
- va_dcl
- {
- va_list ap;
- struct output *file;
- char *fmt;
-
- va_start(ap);
- file = va_arg(ap, struct output *);
- fmt = va_arg(ap, char *);
- doformat(file, fmt, ap);
- va_end(ap);
-}
-
-
-void
-out1fmt(va_alist)
- va_dcl
- {
- va_list ap;
- char *fmt;
-
- va_start(ap);
- fmt = va_arg(ap, char *);
- doformat(out1, fmt, ap);
- va_end(ap);
-}
-
-void
-dprintf(va_alist)
- va_dcl
- {
- va_list ap;
- char *fmt;
-
- va_start(ap);
- fmt = va_arg(ap, char *);
- doformat(out2, fmt, ap);
- va_end(ap);
- flushout(out2);
-}
-
-void
-fmtstr(va_alist)
- va_dcl
- {
- va_list ap;
- struct output strout;
- char *outbuf;
- int length;
- char *fmt;
-
- va_start(ap);
- outbuf = va_arg(ap, char *);
- length = va_arg(ap, int);
- fmt = va_arg(ap, char *);
- strout.nextc = outbuf;
- strout.nleft = length;
- strout.fd = BLOCK_OUT;
- strout.flags = 0;
- doformat(&strout, fmt, ap);
- outc('\0', &strout);
- if (strout.flags & OUTPUT_ERR)
- outbuf[length - 1] = '\0';
-}
-#endif /* __STDC__ */
-
-
-/*
- * Formatted output. This routine handles a subset of the printf formats:
- * - Formats supported: d, u, o, X, s, and c.
- * - The x format is also accepted but is treated like X.
- * - The l and q modifiers are accepted.
- * - The - and # flags are accepted; # only works with the o format.
- * - Width and precision may be specified with any format except c.
- * - An * may be given for the width or precision.
- * - The obsolete practice of preceding the width with a zero to get
- * zero padding is not supported; use the precision field.
- * - A % may be printed by writing %% in the format string.
- */
-
-#define TEMPSIZE 24
-
-static const char digit[] = "0123456789ABCDEF";
-
-
-void
-doformat(dest, f, ap)
- struct output *dest;
- char *f; /* format string */
- va_list ap;
- {
- char c;
- char temp[TEMPSIZE];
- int flushleft;
- int sharp;
- int width;
- int prec;
- int islong;
- int isquad;
- char *p;
- int sign;
-#ifdef BSD4_4
- quad_t l;
- u_quad_t num;
-#else
- long l;
- u_long num;
-#endif
- unsigned base;
- int len;
- int size;
- int pad;
-
- while ((c = *f++) != '\0') {
- if (c != '%') {
- outc(c, dest);
- continue;
- }
- flushleft = 0;
- sharp = 0;
- width = 0;
- prec = -1;
- islong = 0;
- isquad = 0;
- for (;;) {
- if (*f == '-')
- flushleft++;
- else if (*f == '#')
- sharp++;
- else
- break;
- f++;
- }
- if (*f == '*') {
- width = va_arg(ap, int);
- f++;
- } else {
- while (is_digit(*f)) {
- width = 10 * width + digit_val(*f++);
- }
- }
- if (*f == '.') {
- if (*++f == '*') {
- prec = va_arg(ap, int);
- f++;
- } else {
- prec = 0;
- while (is_digit(*f)) {
- prec = 10 * prec + digit_val(*f++);
- }
- }
- }
- if (*f == 'l') {
- islong++;
- f++;
- } else if (*f == 'q') {
- isquad++;
- f++;
- }
- switch (*f) {
- case 'd':
-#ifdef BSD4_4
- if (isquad)
- l = va_arg(ap, quad_t);
- else
-#endif
- if (islong)
- l = va_arg(ap, long);
- else
- l = va_arg(ap, int);
- sign = 0;
- num = l;
- if (l < 0) {
- num = -l;
- sign = 1;
- }
- base = 10;
- goto number;
- case 'u':
- base = 10;
- goto uns_number;
- case 'o':
- base = 8;
- goto uns_number;
- case 'x':
- /* we don't implement 'x'; treat like 'X' */
- case 'X':
- base = 16;
-uns_number: /* an unsigned number */
- sign = 0;
-#ifdef BSD4_4
- if (isquad)
- num = va_arg(ap, u_quad_t);
- else
-#endif
- if (islong)
- num = va_arg(ap, unsigned long);
- else
- num = va_arg(ap, unsigned int);
-number: /* process a number */
- p = temp + TEMPSIZE - 1;
- *p = '\0';
- while (num) {
- *--p = digit[num % base];
- num /= base;
- }
- len = (temp + TEMPSIZE - 1) - p;
- if (prec < 0)
- prec = 1;
- if (sharp && *f == 'o' && prec <= len)
- prec = len + 1;
- pad = 0;
- if (width) {
- size = len;
- if (size < prec)
- size = prec;
- size += sign;
- pad = width - size;
- if (flushleft == 0) {
- while (--pad >= 0)
- outc(' ', dest);
- }
- }
- if (sign)
- outc('-', dest);
- prec -= len;
- while (--prec >= 0)
- outc('0', dest);
- while (*p)
- outc(*p++, dest);
- while (--pad >= 0)
- outc(' ', dest);
- break;
- case 's':
- p = va_arg(ap, char *);
- pad = 0;
- if (width) {
- len = strlen(p);
- if (prec >= 0 && len > prec)
- len = prec;
- pad = width - len;
- if (flushleft == 0) {
- while (--pad >= 0)
- outc(' ', dest);
- }
- }
- prec++;
- while (--prec != 0 && *p)
- outc(*p++, dest);
- while (--pad >= 0)
- outc(' ', dest);
- break;
- case 'c':
- c = va_arg(ap, int);
- outc(c, dest);
- break;
- default:
- outc(*f, dest);
- break;
- }
- f++;
- }
-}
-
-
-
-/*
- * Version of write which resumes after a signal is caught.
- */
-
-int
-xwrite(fd, buf, nbytes)
- int fd;
- 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;
- }
- }
-}
-
-
-/*
- * Version of ioctl that retries after a signal is caught.
- * XXX unused function
- */
-
-int
-xioctl(fd, request, arg)
- int fd;
- unsigned long request;
- char * arg;
-{
- int i;
-
- while ((i = ioctl(fd, request, arg)) == -1 && errno == EINTR);
- return i;
-}
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