Exemplos de alloc_dumper em C++ (Cpp)

Exemplo n.º 1

Arquivo: od.c Projeto: nawawi/busybox

int od_main(int argc, char **argv)
{
	int ch;
	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, "\"         \"");
			}
			bb_dump_add(dumper, add_strings[(int)od_o2si[(p - od_opts)]]);
		} else {  /* P, p, s, w, or other unhandled */
			bb_show_usage();
		}
	}
	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(dumper, argc, &argv);

	return bb_dump_dump(dumper, argv);
}

Exemplo n.º 2

Arquivo: hexdump.c Projeto: ThinkIntegrate/busybox

int hexdump_main(int argc, char **argv)
{
	dumper_t *dumper = alloc_dumper();
	const char *p;
	int ch;
#if ENABLE_FEATURE_HEXDUMP_REVERSE
	FILE *fp;
	smallint rdump = 0;
#endif

	if (ENABLE_HD && !applet_name[2]) { /* we are "hd" */
		ch = 'C';
		goto hd_applet;
	}

	/* We cannot use getopt32: in hexdump options are cumulative.
	 * E.g. "hexdump -C -C file" should dump each line twice */
	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(dumper, add_first);
			bb_dump_add(dumper, add_strings[(int)(p - hexdump_opts)]);
		}
		/* Save a little bit of space below by omitting the 'else's. */
		if (ch == 'C') {
 hd_applet:
			bb_dump_add(dumper, "\"%08.8_Ax\n\"");
			bb_dump_add(dumper, "\"%08.8_ax  \" 8/1 \"%02x \" \"  \" 8/1 \"%02x \" ");
			bb_dump_add(dumper, "\"  |\" 16/1 \"%_p\" \"|\\n\"");
		}
		if (ch == 'e') {
			bb_dump_add(dumper, optarg);
		} /* else */
		if (ch == 'f') {
			bb_dump_addfile(dumper, optarg);
		} /* else */
		if (ch == 'n') {
			dumper->dump_length = xatoi_positive(optarg);
		} /* else */
		if (ch == 's') { /* compat: -s accepts hex numbers too */
			dumper->dump_skip = xstrtoull_range_sfx(
				optarg,
				/*base:*/ 0,
				/*lo:*/ 0, /*hi:*/ OFF_T_MAX,
				bkm_suffixes
			);
		} /* else */
		if (ch == 'v') {
			dumper->dump_vflag = ALL;
		}
#if ENABLE_FEATURE_HEXDUMP_REVERSE
		if (ch == 'R') {
			rdump = 1;
		}
#endif
	}

	if (!dumper->fshead) {
		bb_dump_add(dumper, add_first);
		bb_dump_add(dumper, "\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
	}

	argv += optind;

#if !ENABLE_FEATURE_HEXDUMP_REVERSE
	return bb_dump_dump(dumper, argv);
#else
	if (!rdump) {
		return bb_dump_dump(dumper, argv);
	}

	/* -R: reverse of 'hexdump -Cv' */
	fp = stdin;
	if (!*argv) {
		argv--;
		goto jump_in;
	}

	do {
		char *buf;
		fp = xfopen_for_read(*argv);
 jump_in:
		while ((buf = xmalloc_fgetline(fp)) != NULL) {
			p = buf;
			while (1) {
				/* skip address or previous byte */
				while (isxdigit(*p)) p++;
				while (*p == ' ') p++;
				/* '|' char will break the line */
				if (!isxdigit(*p) || sscanf(p, "%x ", &ch) != 1)
					break;
				putchar(ch);
			}
			free(buf);
		}
		fclose(fp);
	} while (*++argv);

	fflush_stdout_and_exit(EXIT_SUCCESS);
#endif
}