shell_cmds-170.tar.gz

[apple/shell_cmds.git] / hexdump / hexsyntax.c

diff --git a/hexdump/hexsyntax.c b/hexdump/hexsyntax.c
new file mode 100644 (file)
index 0000000..9961f2f
--- /dev/null
+++ b/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);
+}