+/* vi: set sw=4 ts=4: */
/*
* od implementation for busybox
* Based on code from util-linux v 2.11l
*
* Copyright (c) 1990
- * The Regents of the University of California. All rights reserved.
+ * The Regents of the University of California. All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*
* Original copyright notice is retained at the end of this file.
*/
-#include <ctype.h>
-#include <getopt.h>
-#include <stdlib.h>
-#include "dump.h"
-#include "busybox.h"
+//usage:#if !ENABLE_DESKTOP
+//usage:#define od_trivial_usage
+//usage: "[-aBbcDdeFfHhIiLlOovXx] [FILE]"
+//usage:#define od_full_usage "\n\n"
+//usage: "Print FILE (or stdin) unambiguously, as octal bytes by default"
+//usage:#endif
-extern FS *fshead; /* head of format strings */
-extern int blocksize; /* data block size */
-extern int length; /* max bytes to read */
+#include "libbb.h"
+#if ENABLE_DESKTOP
+/* This one provides -t (busybox's own build script needs it) */
+#include "od_bloaty.c"
+#else
-#define ishexdigit(c) \
- ((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'))
+#include "dump.h"
static void
-odoffset(int argc, char ***argvp)
+odoffset(dumper_t *dumper, int argc, char ***argvp)
{
- extern off_t skip;
- register char *num, *p;
+ char *num, *p;
int base;
char *end;
* We assumes it's a file if the offset is bad.
*/
p = **argvp;
- if (*p != '+' && (argc < 2 ||
- (!isdigit(p[0]) && (p[0] != 'x' || !ishexdigit(p[1])))))
+
+ if (!p) {
+ /* hey someone is probably piping to us ... */
+ return;
+ }
+
+ if ((*p != '+')
+ && (argc < 2
+ || (!isdigit(p[0])
+ && ((p[0] != 'x') || !isxdigit(p[1])))))
return;
base = 0;
*/
if (p[0] == '+')
++p;
- if (p[0] == 'x' && ishexdigit(p[1])) {
+ if (p[0] == 'x' && isxdigit(p[1])) {
++p;
base = 16;
} else if (p[0] == '0' && p[1] == 'x') {
/* skip over the number */
if (base == 16)
- for (num = p; ishexdigit(*p); ++p);
+ for (num = p; isxdigit(*p); ++p)
+ continue;
else
- for (num = p; isdigit(*p); ++p);
+ for (num = p; isdigit(*p); ++p)
+ continue;
/* check for no number */
if (num == p)
base = 10;
}
- skip = strtol(num, &end, base ? base : 8);
+ dumper->dump_skip = strtol(num, &end, base ? base : 8);
/* if end isn't the same as p, we got a non-octal digit */
if (end != p)
- skip = 0;
+ dumper->dump_skip = 0;
else {
if (*p) {
- if (*p == 'b')
- skip *= 512;
- else if (*p == 'B')
- skip *= 1024;
- ++p;
+ if (*p == 'b') {
+ dumper->dump_skip *= 512;
+ ++p;
+ } else if (*p == 'B') {
+ dumper->dump_skip *= 1024;
+ ++p;
+ }
}
if (*p)
- skip = 0;
+ dumper->dump_skip = 0;
else {
++*argvp;
/*
* the offset is changed as well. This isn't pretty,
* but it's easy.
*/
-#define TYPE_OFFSET 7
- if (base == 16) {
- fshead->nextfu->fmt[TYPE_OFFSET] = 'x';
- fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'x';
- } else if (base == 10) {
- fshead->nextfu->fmt[TYPE_OFFSET] = 'd';
- fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'd';
+#define TYPE_OFFSET 7
+ {
+ char x_or_d;
+ if (base == 16) {
+ x_or_d = 'x';
+ goto DO_X_OR_D;
+ }
+ if (base == 10) {
+ x_or_d = 'd';
+ DO_X_OR_D:
+ dumper->fshead->nextfu->fmt[TYPE_OFFSET]
+ = dumper->fshead->nextfs->nextfu->fmt[TYPE_OFFSET]
+ = x_or_d;
+ }
}
}
}
}
-static void odprecede(void)
-{
- static int first = 1;
-
- if (first) {
- first = 0;
- add("\"%07.7_Ao\n\"");
- add("\"%07.7_ao \"");
- } else
- add("\" \"");
-}
-
+static const char *const add_strings[] = {
+ "16/1 \"%3_u \" \"\\n\"", /* a */
+ "8/2 \" %06o \" \"\\n\"", /* B, o */
+ "16/1 \"%03o \" \"\\n\"", /* b */
+ "16/1 \"%3_c \" \"\\n\"", /* c */
+ "8/2 \" %05u \" \"\\n\"", /* d */
+ "4/4 \" %010u \" \"\\n\"", /* D */
+ "2/8 \" %21.14e \" \"\\n\"", /* e (undocumented in od), F */
+ "4/4 \" %14.7e \" \"\\n\"", /* f */
+ "4/4 \" %08x \" \"\\n\"", /* H, X */
+ "8/2 \" %04x \" \"\\n\"", /* h, x */
+ "4/4 \" %11d \" \"\\n\"", /* I, L, l */
+ "8/2 \" %6d \" \"\\n\"", /* i */
+ "4/4 \" %011o \" \"\\n\"", /* O */
+};
+
+static const char od_opts[] ALIGN1 = "aBbcDdeFfHhIiLlOoXxv";
+
+static const char od_o2si[] ALIGN1 = {
+ 0, 1, 2, 3, 5,
+ 4, 6, 6, 7, 8,
+ 9, 0xa, 0xb, 0xa, 0xa,
+ 0xb, 1, 8, 9,
+};
+
+int od_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int od_main(int argc, char **argv)
{
int ch;
- extern enum _vflag vflag;
- vflag = FIRST;
- length = -1;
-
- while ((ch = getopt(argc, argv, "aBbcDdeFfHhIiLlOoPpswvXx")) != EOF)
- switch (ch) {
- case 'a':
- odprecede();
- add("16/1 \"%3_u \" \"\\n\"");
- break;
- case 'B':
- case 'o':
- odprecede();
- add("8/2 \" %06o \" \"\\n\"");
- break;
- case 'b':
- odprecede();
- add("16/1 \"%03o \" \"\\n\"");
- break;
- case 'c':
- odprecede();
- add("16/1 \"%3_c \" \"\\n\"");
- break;
- case 'd':
- odprecede();
- add("8/2 \" %05u \" \"\\n\"");
- break;
- case 'D':
- odprecede();
- add("4/4 \" %010u \" \"\\n\"");
- break;
- case 'e': /* undocumented in od */
- case 'F':
- odprecede();
- add("2/8 \" %21.14e \" \"\\n\"");
- break;
-
- case 'f':
- odprecede();
- add("4/4 \" %14.7e \" \"\\n\"");
- break;
- case 'H':
- case 'X':
- odprecede();
- add("4/4 \" %08x \" \"\\n\"");
- break;
- case 'h':
- case 'x':
- odprecede();
- add("8/2 \" %04x \" \"\\n\"");
- break;
- case 'I':
- case 'L':
- case 'l':
- odprecede();
- add("4/4 \" %11d \" \"\\n\"");
- break;
- case 'i':
- odprecede();
- add("8/2 \" %6d \" \"\\n\"");
- break;
- case 'O':
- odprecede();
- add("4/4 \" %011o \" \"\\n\"");
- break;
- case 'v':
- vflag = ALL;
- break;
- case 'P':
- case 'p':
- case 's':
- case 'w':
- case '?':
- default:
- error_msg("od: od(1) has been deprecated for hexdump(1).\n");
- if (ch != '?') {
- error_msg("od: hexdump(1) compatibility doesn't support the -%c option%s\n",
- ch, ch == 's' ? "; see strings(1)." : ".");
+ int first = 1;
+ char *p;
+ dumper_t *dumper = alloc_dumper();
+
+ while ((ch = getopt(argc, argv, od_opts)) > 0) {
+ if (ch == 'v') {
+ dumper->dump_vflag = ALL;
+ } else if (((p = strchr(od_opts, ch)) != NULL) && (*p != '\0')) {
+ if (first) {
+ first = 0;
+ bb_dump_add(dumper, "\"%07.7_Ao\n\"");
+ bb_dump_add(dumper, "\"%07.7_ao \"");
+ } else {
+ bb_dump_add(dumper, "\" \"");
}
- show_usage();
+ bb_dump_add(dumper, add_strings[(int)od_o2si[(p - od_opts)]]);
+ } else { /* P, p, s, w, or other unhandled */
+ bb_show_usage();
}
-
- if (!fshead) {
- add("\"%07.7_Ao\n\"");
- add("\"%07.7_ao \" 8/2 \"%06o \" \"\\n\"");
+ }
+ if (!dumper->fshead) {
+ bb_dump_add(dumper, "\"%07.7_Ao\n\"");
+ bb_dump_add(dumper, "\"%07.7_ao \" 8/2 \"%06o \" \"\\n\"");
}
argc -= optind;
argv += optind;
- odoffset(argc, &argv);
+ odoffset(dumper, argc, &argv);
- return(dump(argv));
+ return bb_dump_dump(dumper, argv);
}
+#endif /* ENABLE_DESKTOP */
/*-
* Copyright (c) 1990 The Regents of the University of California.
projects / oweals / busybox.git / blobdiff