summaryrefslogtreecommitdiff
path: root/i/pc104/initrd/conf/busybox/coreutils/od.c
diff options
context:
space:
mode:
Diffstat (limited to 'i/pc104/initrd/conf/busybox/coreutils/od.c')
-rw-r--r--i/pc104/initrd/conf/busybox/coreutils/od.c225
1 files changed, 225 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/coreutils/od.c b/i/pc104/initrd/conf/busybox/coreutils/od.c
new file mode 100644
index 0000000..0de9def
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/coreutils/od.c
@@ -0,0 +1,225 @@
+/* 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.
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ *
+ * Original copyright notice is retained at the end of this file.
+ */
+
+
+#include "busybox.h"
+#if ENABLE_DESKTOP
+/* This one provides -t (busybox's own build script needs it) */
+#include "od_bloaty.c"
+#else
+#include <getopt.h>
+
+#include "dump.h"
+
+#define isdecdigit(c) isdigit(c)
+#define ishexdigit(c) (isxdigit)(c)
+
+static void
+odoffset(int argc, char ***argvp)
+{
+ char *num, *p;
+ int base;
+ char *end;
+
+ /*
+ * The offset syntax of od(1) was genuinely bizarre. First, if
+ * it started with a plus it had to be an offset. Otherwise, if
+ * there were at least two arguments, a number or lower-case 'x'
+ * followed by a number makes it an offset. By default it was
+ * octal; if it started with 'x' or '0x' it was hex. If it ended
+ * in a '.', it was decimal. If a 'b' or 'B' was appended, it
+ * multiplied the number by 512 or 1024 byte units. There was
+ * no way to assign a block count to a hex offset.
+ *
+ * We assumes it's a file if the offset is bad.
+ */
+ p = **argvp;
+
+ if (!p) {
+ /* hey someone is probably piping to us ... */
+ return;
+ }
+
+ if ((*p != '+')
+ && (argc < 2
+ || (!isdecdigit(p[0])
+ && ((p[0] != 'x') || !ishexdigit(p[1])))))
+ return;
+
+ base = 0;
+ /*
+ * bb_dump_skip over leading '+', 'x[0-9a-fA-f]' or '0x', and
+ * set base.
+ */
+ if (p[0] == '+')
+ ++p;
+ if (p[0] == 'x' && ishexdigit(p[1])) {
+ ++p;
+ base = 16;
+ } else if (p[0] == '0' && p[1] == 'x') {
+ p += 2;
+ base = 16;
+ }
+
+ /* bb_dump_skip over the number */
+ if (base == 16)
+ for (num = p; ishexdigit(*p); ++p);
+ else
+ for (num = p; isdecdigit(*p); ++p);
+
+ /* check for no number */
+ if (num == p)
+ return;
+
+ /* if terminates with a '.', base is decimal */
+ if (*p == '.') {
+ if (base)
+ return;
+ base = 10;
+ }
+
+ bb_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)
+ bb_dump_skip = 0;
+ else {
+ if (*p) {
+ if (*p == 'b') {
+ bb_dump_skip *= 512;
+ ++p;
+ } else if (*p == 'B') {
+ bb_dump_skip *= 1024;
+ ++p;
+ }
+ }
+ if (*p)
+ bb_dump_skip = 0;
+ else {
+ ++*argvp;
+ /*
+ * If the offset uses a non-octal base, the base of
+ * the offset is changed as well. This isn't pretty,
+ * but it's easy.
+ */
+#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:
+ bb_dump_fshead->nextfu->fmt[TYPE_OFFSET]
+ = bb_dump_fshead->nextfs->nextfu->fmt[TYPE_OFFSET]
+ = x_or_d;
+ }
+ }
+ }
+ }
+}
+
+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[] = "aBbcDdeFfHhIiLlOoXxv";
+
+static const char od_o2si[] = {
+ 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);
+int od_main(int argc, char **argv)
+{
+ int ch;
+ int first = 1;
+ char *p;
+ bb_dump_vflag = FIRST;
+ bb_dump_length = -1;
+
+ while ((ch = getopt(argc, argv, od_opts)) > 0) {
+ if (ch == 'v') {
+ bb_dump_vflag = ALL;
+ } else if (((p = strchr(od_opts, ch)) != NULL) && (*p != '\0')) {
+ if (first) {
+ first = 0;
+ bb_dump_add("\"%07.7_Ao\n\"");
+ bb_dump_add("\"%07.7_ao \"");
+ } else {
+ bb_dump_add("\" \"");
+ }
+ bb_dump_add(add_strings[(int)od_o2si[(p-od_opts)]]);
+ } else { /* P, p, s, w, or other unhandled */
+ bb_show_usage();
+ }
+ }
+ if (!bb_dump_fshead) {
+ bb_dump_add("\"%07.7_Ao\n\"");
+ bb_dump_add("\"%07.7_ao \" 8/2 \"%06o \" \"\\n\"");
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ odoffset(argc, &argv);
+
+ return bb_dump_dump(argv);
+}
+#endif /* ENABLE_DESKTOP */
+
+/*-
+ * Copyright (c) 1990 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. 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.
+ */