bbconfig.c 1.7 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455
  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. //applet:IF_BBCONFIG(APPLET(bbconfig, BB_DIR_BIN, BB_SUID_DROP))
  26. //kbuild:lib-$(CONFIG_BBCONFIG) += bbconfig.o
  27. //usage:#define bbconfig_trivial_usage
  28. //usage: ""
  29. //usage:#define bbconfig_full_usage "\n\n"
  30. //usage: "Print the config file used by busybox build"
  31. #include "libbb.h"
  32. #include "bbconfigopts.h"
  33. #if ENABLE_FEATURE_COMPRESS_BBCONFIG
  34. # include "bb_archive.h"
  35. # include "bbconfigopts_bz2.h"
  36. #endif
  37. int bbconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  38. int bbconfig_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
  39. {
  40. #if ENABLE_FEATURE_COMPRESS_BBCONFIG
  41. const char *outbuf = unpack_bz2_data(bbconfig_config_bz2,
  42. sizeof(bbconfig_config_bz2), sizeof(bbconfig_config));
  43. if (outbuf) {
  44. full_write1_str(outbuf);
  45. }
  46. #else
  47. full_write1_str(bbconfig_config);
  48. #endif
  49. return 0;
  50. }