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-rw-r--r--cpukit/libmisc/shell/hexdump-conv.c186
1 files changed, 186 insertions, 0 deletions
diff --git a/cpukit/libmisc/shell/hexdump-conv.c b/cpukit/libmisc/shell/hexdump-conv.c
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+++ b/cpukit/libmisc/shell/hexdump-conv.c
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 1989, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifndef lint
+static const char sccsid[] = "@(#)conv.c 8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/usr.bin/hexdump/conv.c,v 1.9 2006/07/31 14:17:04 jkoshy Exp $");
+
+#include <sys/types.h>
+
+#include <assert.h>
+#include <ctype.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+#include <wctype.h>
+#include "hexdump.h"
+
+void
+conv_c(rtems_shell_hexdump_globals* globals, PR *pr, u_char *p, size_t bufsize)
+{
+ char buf[10];
+ char const *str;
+ wchar_t wc;
+ size_t clen, oclen;
+ int converr, pad, width;
+ char peekbuf[MB_LEN_MAX];
+
+ if (pr->mbleft > 0) {
+ str = "**";
+ pr->mbleft--;
+ goto strpr;
+ }
+
+ switch(*p) {
+ case '\0':
+ str = "\\0";
+ goto strpr;
+ /* case '\a': */
+ case '\007':
+ str = "\\a";
+ goto strpr;
+ case '\b':
+ str = "\\b";
+ goto strpr;
+ case '\f':
+ str = "\\f";
+ goto strpr;
+ case '\n':
+ str = "\\n";
+ goto strpr;
+ case '\r':
+ str = "\\r";
+ goto strpr;
+ case '\t':
+ str = "\\t";
+ goto strpr;
+ case '\v':
+ str = "\\v";
+ goto strpr;
+ default:
+ break;
+ }
+ /*
+ * Multibyte characters are disabled for hexdump(1) for backwards
+ * compatibility and consistency (none of its other output formats
+ * recognize them correctly).
+ */
+ converr = 0;
+ if (odmode && MB_CUR_MAX > 1) {
+ oclen = 0;
+retry:
+ clen = mbrtowc(&wc, (char*)p, bufsize, &pr->mbstate);
+ if (clen == 0)
+ clen = 1;
+ else if (clen == (size_t)-1 || (clen == (size_t)-2 &&
+ buf == peekbuf)) {
+ memset(&pr->mbstate, 0, sizeof(pr->mbstate));
+ wc = *p;
+ clen = 1;
+ converr = 1;
+ } else if (clen == (size_t)-2) {
+ /*
+ * Incomplete character; peek ahead and see if we
+ * can complete it.
+ */
+ oclen = bufsize;
+ bufsize = peek(globals, p = (u_char*)peekbuf, MB_CUR_MAX);
+ goto retry;
+ }
+ clen += oclen;
+ } else {
+ wc = *p;
+ clen = 1;
+ }
+ if (!converr && iswprint(wc)) {
+ if (!odmode) {
+ *pr->cchar = 'c';
+ (void)printf(pr->fmt, (int)wc);
+ } else {
+ *pr->cchar = 'C';
+ assert(strcmp(pr->fmt, "%3C") == 0);
+ width = wcwidth(wc);
+ assert(width >= 0);
+ pad = 3 - width;
+ if (pad < 0)
+ pad = 0;
+ (void)printf("%*s%lc", pad, "", wc);
+ pr->mbleft = clen - 1;
+ }
+ } else {
+ (void)sprintf(buf, "%03o", (int)*p);
+ str = buf;
+strpr: *pr->cchar = 's';
+ (void)printf(pr->fmt, str);
+ }
+}
+
+void
+conv_u(rtems_shell_hexdump_globals* globals, PR *pr, u_char *p)
+{
+ static char const * list[] = {
+ "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
+ "bs", "ht", "lf", "vt", "ff", "cr", "so", "si",
+ "dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb",
+ "can", "em", "sub", "esc", "fs", "gs", "rs", "us",
+ };
+
+ /* od used nl, not lf */
+ if (*p <= 0x1f) {
+ *pr->cchar = 's';
+ if (odmode && *p == 0x0a)
+ (void)printf(pr->fmt, "nl");
+ else
+ (void)printf(pr->fmt, list[*p]);
+ } else if (*p == 0x7f) {
+ *pr->cchar = 's';
+ (void)printf(pr->fmt, "del");
+ } else if (odmode && *p == 0x20) { /* od replaced space with sp */
+ *pr->cchar = 's';
+ (void)printf(pr->fmt, " sp");
+ } else if (isprint(*p)) {
+ *pr->cchar = 'c';
+ (void)printf(pr->fmt, *p);
+ } else {
+ *pr->cchar = 'x';
+ (void)printf(pr->fmt, (int)*p);
+ }
+}