#include <getopt.h>
#include <stdlib.h>
#include <string.h>
-#include "dump.h"
#include "busybox.h"
+#include "dump.h"
-extern off_t skip; /* bytes to skip */
-
-extern FS *fshead; /* head of format strings */
-extern int blocksize; /* data block size */
-extern int length; /* max bytes to read */
-
-void addfile(char *name)
+static void bb_dump_addfile(char *name)
{
register char *p;
FILE *fp;
- int ch;
- char buf[2048 + 1];
+ char *buf;
- if (!(fp = fopen(name, "r"))) {
- error_msg_and_die("hexdump: can't read %s.\n", name);
- }
- while (fgets(buf, sizeof(buf), fp)) {
- if (!(p = index(buf, '\n'))) {
- error_msg("hexdump: line too long.\n");
- while ((ch = getchar()) != '\n' && ch != EOF);
- continue;
- }
- *p = '\0';
- for (p = buf; *p && isspace(*p); ++p);
- if (!*p || *p == '#') {
- continue;
+ fp = bb_xfopen(name, "r");
+
+ while ((buf = bb_get_chomped_line_from_file(fp)) != NULL) {
+ p = (char *) bb_skip_whitespace(buf);
+
+ if (*p && (*p != '#')) {
+ bb_dump_add(p);
}
- add(p);
+ free(buf);
}
- (void)fclose(fp);
+ 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)
{
// register FS *tfs;
- char *p;
+ const char *p;
int ch;
- extern enum _vflag vflag;
- vflag = FIRST;
- length = -1;
- while ((ch = getopt(argc, argv, "bcde:f:n:os:vx")) != EOF) {
- 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 '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) {
- error_msg_and_die("hexdump: bad length value.\n");
- }
- break;
- case 'o':
- add("\"%07.7_Ax\n\"");
- add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
- break;
- case 's':
- if ((skip = strtol(optarg, &p, 0)) < 0) {
- error_msg_and_die("hexdump: bad skip value.\n");
- }
- switch(*p) {
- case 'b':
- skip *= 512;
- break;
- case 'k':
- skip *= 1024;
- break;
- case 'm':
- skip *= 1048576;
- break;
+ bb_dump_vflag = FIRST;
+ bb_dump_length = -1;
+
+ while ((ch = getopt(argc, argv, hexdump_opts)) > 0) {
+ if ((p = strchr(hexdump_opts, ch)) != NULL) {
+ 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 {
+ /* Sae 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 = bb_xgetularg10_bnd(optarg, 0, INT_MAX);
+ } /* else */
+ if (ch == 's') {
+ bb_dump_skip = bb_xgetularg_bnd_sfx(optarg, 10, 0, LONG_MAX, suffixes);
+ } /* else */
+ if (ch == 'v') {
+ bb_dump_vflag = ALL;
+ }
}
- break;
- case 'v':
- vflag = ALL;
- break;
- case 'x':
- add("\"%07.7_Ax\n\"");
- add("\"%07.7_ax \" 8/2 \" %04x \" \"\\n\"");
- break;
- case '?':
- show_usage();
+ } else {
+ bb_show_usage();
}
}
- if (!fshead) {
- add("\"%07.7_Ax\n\"");
- add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
+ if (!bb_dump_fshead) {
+ bb_dump_add(add_first);
+ bb_dump_add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
}
argv += optind;
- return(dump(argv));
+ return(bb_dump_dump(argv));
}
/*
* Copyright (c) 1989 The Regents of the University of California.
* 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
+ * 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.
*
projects / oweals / busybox.git / blobdiff