diff options
Diffstat (limited to 'shell_cmds/hexdump/hexsyntax.c')
| -rw-r--r-- | shell_cmds/hexdump/hexsyntax.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/shell_cmds/hexdump/hexsyntax.c b/shell_cmds/hexdump/hexsyntax.c new file mode 100644 index 0000000..9961f2f --- /dev/null +++ b/shell_cmds/hexdump/hexsyntax.c @@ -0,0 +1,147 @@ +/*- + * Copyright (c) 1990, 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. + */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)hexsyntax.c 8.2 (Berkeley) 5/4/95"; +#endif +#endif /* not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD: src/usr.bin/hexdump/hexsyntax.c,v 1.12 2002/09/04 23:29:01 dwmalone Exp $"); + +#include <sys/types.h> + +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "hexdump.h" + +off_t skip; /* bytes to skip */ + +void +newsyntax(int argc, char ***argvp) +{ + int ch; + char *p, **argv; + + argv = *argvp; + if ((p = rindex(argv[0], 'h')) != NULL && + strcmp(p, "hd") == 0) { + /* "Canonical" format, implies -C. */ + add("\"%08.8_Ax\n\""); + add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" "); + add("\" |\" 16/1 \"%_p\" \"|\\n\""); + } + while ((ch = getopt(argc, argv, "bcCde:f:n:os:vx")) != -1) + switch (ch) { + case 'b': + add("\"%07.7_Ax\n\""); + add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\""); + break; + case 'c': + add("\"%07.7_Ax\n\""); + add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\""); + break; + case 'C': + add("\"%08.8_Ax\n\""); + add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" "); + add("\" |\" 16/1 \"%_p\" \"|\\n\""); + break; + case 'd': + add("\"%07.7_Ax\n\""); + add("\"%07.7_ax \" 8/2 \" %05u \" \"\\n\""); + break; + case 'e': + add(optarg); + break; + case 'f': + addfile(optarg); + break; + case 'n': + if ((length = atoi(optarg)) < 0) + errx(1, "%s: bad length value", optarg); + break; + case 'o': + add("\"%07.7_Ax\n\""); + add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\""); + break; + case 's': + if ((skip = strtoll(optarg, &p, 0)) < 0) + errx(1, "%s: bad skip value", optarg); + switch(*p) { + case 'b': + skip *= 512; + break; + case 'k': + skip *= 1024; + break; + case 'm': + skip *= 1048576; + break; + case 'g': + skip *= 1073741824; + break; + } + break; + case 'v': + vflag = ALL; + break; + case 'x': + add("\"%07.7_Ax\n\""); + add("\"%07.7_ax \" 8/2 \" %04x \" \"\\n\""); + break; + case '?': + usage(); + } + + if (!fshead) { + add("\"%07.7_Ax\n\""); + add("\"%07.7_ax \" 16/1 \"%02x \" \"\\n\""); + } + + *argvp += optind; +} + +void +usage(void) +{ + (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", +"usage: hexdump [-bcCdovx] [-e fmt] [-f fmt_file] [-n length]", +" [-s skip] [file ...]", +" hd [-bcdovx] [-e fmt] [-f fmt_file] [-n length]", +" [-s skip] [file ...]"); + exit(1); +} |