1 /* vi: set sw=4 ts=4: */
2 /*
3 * This file was released into the public domain by Paul Fox.
4 */
5 //config:config BBCONFIG
6 //config: bool "bbconfig (9.7 kb)"
7 //config: default n
8 //config: help
9 //config: The bbconfig applet will print the config file with which
10 //config: busybox was built.
11 //config:
12 //config:config FEATURE_COMPRESS_BBCONFIG
13 //config: bool "Compress bbconfig data"
14 //config: default y
15 //config: depends on BBCONFIG
16 //config: help
17 //config: Store bbconfig data in compressed form, uncompress them on-the-fly
18 //config: before output.
19 //config:
20 //config: If you have a really tiny busybox with few applets enabled (and
21 //config: bunzip2 isn't one of them), the overhead of the decompressor might
22 //config: be noticeable. Also, if you run executables directly from ROM
23 //config: and have very little memory, this might not be a win. Otherwise,
24 //config: you probably want this.
25
26 //applet:IF_BBCONFIG(APPLET(bbconfig, BB_DIR_BIN, BB_SUID_DROP))
27
28 //kbuild:lib-$(CONFIG_BBCONFIG) += bbconfig.o
29
30 //usage:#define bbconfig_trivial_usage
31 //usage: ""
32 //usage:#define bbconfig_full_usage "\n\n"
33 //usage: "Print the config file used by busybox build"
34
35 #include "libbb.h"
36 #include "bbconfigopts.h"
37 #if ENABLE_FEATURE_COMPRESS_BBCONFIG
38 # include "bb_archive.h"
39 # include "bbconfigopts_bz2.h"
40 #endif
41
42 int bbconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
bbconfig_main(int argc UNUSED_PARAM,char ** argv UNUSED_PARAM)43 int bbconfig_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
44 {
45 #if ENABLE_FEATURE_COMPRESS_BBCONFIG
46 const char *outbuf = unpack_bz2_data(bbconfig_config_bz2,
47 sizeof(bbconfig_config_bz2), sizeof(bbconfig_config));
48 if (outbuf) {
49 full_write1_str(outbuf);
50 }
51 #else
52 full_write1_str(bbconfig_config);
53 #endif
54 return 0;
55 }
56