diff options
Diffstat (limited to 'usr.bin/hexdump/hexdump.c')
-rw-r--r-- | usr.bin/hexdump/hexdump.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/usr.bin/hexdump/hexdump.c b/usr.bin/hexdump/hexdump.c new file mode 100644 index 0000000..fec0b10 --- /dev/null +++ b/usr.bin/hexdump/hexdump.c @@ -0,0 +1,112 @@ +/* + * 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. + */ + +#ifndef lint +static char copyright[] = +"@(#) Copyright (c) 1989, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)hexdump.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ + +#include <sys/types.h> + +#include <errno.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "hexdump.h" + +FS *fshead; /* head of format strings */ +int blocksize; /* data block size */ +int exitval; /* final exit value */ +int length = -1; /* max bytes to read */ + +int +main(argc, argv) + int argc; + char *argv[]; +{ + register FS *tfs; + char *p; + + if (!(p = rindex(argv[0], 'o')) || strcmp(p, "od")) + newsyntax(argc, &argv); + else + oldsyntax(argc, &argv); + + /* figure out the data block size */ + for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) { + tfs->bcnt = size(tfs); + if (blocksize < tfs->bcnt) + blocksize = tfs->bcnt; + } + /* rewrite the rules, do syntax checking */ + for (tfs = fshead; tfs; tfs = tfs->nextfs) + rewrite(tfs); + + (void)next(argv); + display(); + exit(exitval); +} + +#if __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +void +#if __STDC__ +err(const char *fmt, ...) +#else +err(fmt, va_alist) + char *fmt; + va_dcl +#endif +{ + va_list ap; +#if __STDC__ + va_start(ap, fmt); +#else + va_start(ap); +#endif + (void)fprintf(stderr, "hexdump: "); + (void)vfprintf(stderr, fmt, ap); + va_end(ap); + (void)fprintf(stderr, "\n"); + exit(1); + /* NOTREACHED */ +} |