1303 files changed, 32187 insertions, 57138 deletions
diff --git a/coreutils/du.c b/coreutils/du.c index 9c6ff88..03e31a0 100644 --- a/coreutils/du.c +++ b/coreutils/du.c @@ -8,10 +8,6 @@ * * Licensed under GPLv2 or later, see file LICENSE in this source tree. */ - -/* BB_AUDIT SUSv3 compliant (unless default blocksize set to 1k) */ -/* http://www.opengroup.org/onlinepubs/007904975/utilities/du.html */ - /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) * * Mostly rewritten for SUSv3 compliance and to fix bugs/defects. @@ -22,6 +18,26 @@ * 3) Added error checking of output. * 4) Fixed busybox bug #1284 involving long overflow with human_readable. */ +//config:config DU +//config: bool "du (default blocksize of 512 bytes)" +//config: default y +//config: help +//config: du is used to report the amount of disk space used +//config: for specified files. +//config: +//config:config FEATURE_DU_DEFAULT_BLOCKSIZE_1K +//config: bool "Use a default blocksize of 1024 bytes (1K)" +//config: default y +//config: depends on DU +//config: help +//config: Use a blocksize of (1K) instead of the default 512b. + +//applet:IF_DU(APPLET(du, BB_DIR_USR_BIN, BB_SUID_DROP)) + +//kbuild:lib-$(CONFIG_DU) += du.o + +/* BB_AUDIT SUSv3 compliant (unless default blocksize set to 1k) */ +/* http://www.opengroup.org/onlinepubs/007904975/utilities/du.html */ //usage:#define du_trivial_usage //usage: "[-aHLdclsx" IF_FEATURE_HUMAN_READABLE("hm") "k] [FILE]..." @@ -58,6 +74,7 @@ //usage: "2417 .\n" #include "libbb.h" +#include "common_bufsiz.h" enum { OPT_a_files_too = (1 << 0), @@ -75,7 +92,7 @@ enum { struct globals { #if ENABLE_FEATURE_HUMAN_READABLE - unsigned long disp_hr; + unsigned long disp_unit; #else unsigned disp_k; #endif @@ -85,22 +102,31 @@ struct globals { int du_depth; dev_t dir_dev; } FIX_ALIASING; -#define G (*(struct globals*)&bb_common_bufsiz1) -#define INIT_G() do { } while (0) +#define G (*(struct globals*)bb_common_bufsiz1) +#define INIT_G() do { setup_common_bufsiz(); } while (0) -/* FIXME? coreutils' du rounds sizes up: - * for example, 1025k file is shown as "2" by du -m. - * We round to nearest. - */ static void print(unsigned long long size, const char *filename) { /* TODO - May not want to defer error checking here. */ #if ENABLE_FEATURE_HUMAN_READABLE +# if ENABLE_DESKTOP + /* ~30 bytes of code for extra comtat: + * coreutils' du rounds sizes up: + * for example, 1025k file is shown as "2" by du -m. + * We round to nearest if human-readable [too hard to fix], + * else (fixed scale such as -m), we round up. To that end, + * add yet another half of the unit before displaying: + */ + if (G.disp_unit) + size += (G.disp_unit-1) / (unsigned)(512 * 2); +# endif printf("%s\t%s\n", - /* size x 512 / G.disp_hr, show one fractional, - * use suffixes if G.disp_hr == 0 */ - make_human_readable_str(size, 512, G.disp_hr), + /* size x 512 / G.disp_unit. + * If G.disp_unit == 0, show one fractional + * and use suffixes + */ + make_human_readable_str(size, 512, G.disp_unit), filename); #else if (G.disp_k) { @@ -199,10 +225,10 @@ int du_main(int argc UNUSED_PARAM, char **argv) INIT_G(); #if ENABLE_FEATURE_HUMAN_READABLE - IF_FEATURE_DU_DEFAULT_BLOCKSIZE_1K(G.disp_hr = 1024;) - IF_NOT_FEATURE_DU_DEFAULT_BLOCKSIZE_1K(G.disp_hr = 512;) + IF_FEATURE_DU_DEFAULT_BLOCKSIZE_1K(G.disp_unit = 1024;) + IF_NOT_FEATURE_DU_DEFAULT_BLOCKSIZE_1K(G.disp_unit = 512;) if (getenv("POSIXLY_CORRECT")) /* TODO - a new libbb function? */ - G.disp_hr = 512; + G.disp_unit = 512; #else IF_FEATURE_DU_DEFAULT_BLOCKSIZE_1K(G.disp_k = 1;) /* IF_NOT_FEATURE_DU_DEFAULT_BLOCKSIZE_1K(G.disp_k = 0;) - G is pre-zeroed */ @@ -216,21 +242,21 @@ int du_main(int argc UNUSED_PARAM, char **argv) * ignore -a. This is consistent with -s being equivalent to -d 0. */ #if ENABLE_FEATURE_HUMAN_READABLE - opt_complementary = "h-km:k-hm:m-hk:H-L:L-H:s-d:d-s:d+"; - opt = getopt32(argv, "aHkLsx" "d:" "lc" "hm", &G.max_print_depth); + opt_complementary = "h-km:k-hm:m-hk:H-L:L-H:s-d:d-s"; + opt = getopt32(argv, "aHkLsx" "d:+" "lc" "hm", &G.max_print_depth); argv += optind; if (opt & OPT_h_for_humans) { - G.disp_hr = 0; + G.disp_unit = 0; } if (opt & OPT_m_mbytes) { - G.disp_hr = 1024*1024; + G.disp_unit = 1024*1024; } if (opt & OPT_k_kbytes) { - G.disp_hr = 1024; + G.disp_unit = 1024; } #else - opt_complementary = "H-L:L-H:s-d:d-s:d+"; - opt = getopt32(argv, "aHkLsx" "d:" "lc", &G.max_print_depth); + opt_complementary = "H-L:L-H:s-d:d-s"; + opt = getopt32(argv, "aHkLsx" "d:+" "lc", &G.max_print_depth); argv += optind; #if !ENABLE_FEATURE_DU_DEFAULT_BLOCKSIZE_1K if (opt & OPT_k_kbytes) { |