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path: root/i/pc104/initrd/conf/busybox/util-linux/hexdump.c
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Diffstat (limited to 'i/pc104/initrd/conf/busybox/util-linux/hexdump.c')
-rw-r--r--i/pc104/initrd/conf/busybox/util-linux/hexdump.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/util-linux/hexdump.c b/i/pc104/initrd/conf/busybox/util-linux/hexdump.c
new file mode 100644
index 0000000..cddd185
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/util-linux/hexdump.c
@@ -0,0 +1,102 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * hexdump implementation for busybox
+ * Based on code from util-linux v 2.11l
+ *
+ * Copyright (c) 1989
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Licensed under GPLv2 or later, see file License in this tarball for details.
+ */
+
+#include "busybox.h"
+#include <getopt.h>
+#include "dump.h"
+
+static void bb_dump_addfile(char *name)
+{
+ char *p;
+ FILE *fp;
+ char *buf;
+
+ fp = xfopen(name, "r");
+
+ while ((buf = xmalloc_getline(fp)) != NULL) {
+ p = skip_whitespace(buf);
+
+ if (*p && (*p != '#')) {
+ bb_dump_add(p);
+ }
+ free(buf);
+ }
+ fclose(fp);
+}
+
+static const char * const add_strings[] = {
+ "\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"", /* b */
+ "\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"", /* c */
+ "\"%07.7_ax \" 8/2 \" %05u \" \"\\n\"", /* d */
+ "\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"", /* o */
+ "\"%07.7_ax \" 8/2 \" %04x \" \"\\n\"", /* x */
+};
+
+static const char add_first[] = "\"%07.7_Ax\n\"";
+
+static const char hexdump_opts[] = "bcdoxCe:f:n:s:v";
+
+static const struct suffix_mult suffixes[] = {
+ {"b", 512 },
+ {"k", 1024 },
+ {"m", 1024*1024 },
+ {NULL, 0 }
+};
+
+int hexdump_main(int argc, char **argv);
+int hexdump_main(int argc, char **argv)
+{
+ const char *p;
+ int ch;
+
+ bb_dump_vflag = FIRST;
+ bb_dump_length = -1;
+
+ while ((ch = getopt(argc, argv, hexdump_opts)) > 0) {
+ p = strchr(hexdump_opts, ch);
+ if (!p)
+ bb_show_usage();
+ if ((p - hexdump_opts) < 5) {
+ bb_dump_add(add_first);
+ bb_dump_add(add_strings[(int)(p - hexdump_opts)]);
+ } else if (ch == 'C') {
+ bb_dump_add("\"%08.8_Ax\n\"");
+ bb_dump_add("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" ");
+ bb_dump_add("\" |\" 16/1 \"%_p\" \"|\\n\"");
+ } else {
+ /* Save a little bit of space below by omitting the 'else's. */
+ if (ch == 'e') {
+ bb_dump_add(optarg);
+ } /* else */
+ if (ch == 'f') {
+ bb_dump_addfile(optarg);
+ } /* else */
+ if (ch == 'n') {
+ bb_dump_length = xatoi_u(optarg);
+ } /* else */
+ if (ch == 's') {
+ bb_dump_skip = xatoul_range_sfx(optarg, 0, LONG_MAX, suffixes);
+ } /* else */
+ if (ch == 'v') {
+ bb_dump_vflag = ALL;
+ }
+ }
+ }
+
+ if (!bb_dump_fshead) {
+ bb_dump_add(add_first);
+ bb_dump_add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
+ }
+
+ argv += optind;
+
+ return bb_dump_dump(argv);
+}