From ce03f72f936047be4edd9c630ec125e7171f1837 Mon Sep 17 00:00:00 2001 From: kevans Date: Thu, 18 Jan 2018 21:32:50 +0000 Subject: MFC r322291: du(1): Add --si option to display in terms of powers of 1000 --- usr.bin/du/du.1 | 26 ++++++++++++++++---------- usr.bin/du/du.c | 40 +++++++++++++++++++++++++++++----------- usr.bin/du/tests/du_test.sh | 15 +++++++++++++++ 3 files changed, 60 insertions(+), 21 deletions(-) (limited to 'usr.bin/du') diff --git a/usr.bin/du/du.1 b/usr.bin/du/du.1 index e1224c9..fed2ec4 100644 --- a/usr.bin/du/du.1 +++ b/usr.bin/du/du.1 @@ -28,7 +28,7 @@ .\" @(#)du.1 8.2 (Berkeley) 4/1/94 .\" $FreeBSD$ .\" -.Dd November 4, 2012 +.Dd August 8, 2017 .Dt DU 1 .Os .Sh NAME @@ -63,9 +63,10 @@ Calculate block counts in .Ar blocksize byte blocks. This is different from the -.Fl h, k, m +.Fl h, k, m, +.Fl Fl si and -.Fl g +.Fl g options or setting .Ev BLOCKSIZE and gives an estimate of how much space the examined file hierarchy would @@ -101,7 +102,7 @@ Display block counts in 1073741824-byte (1 GiB) blocks. .Dq Human-readable output. Use unit suffixes: Byte, Kilobyte, Megabyte, -Gigabyte, Terabyte and Petabyte. +Gigabyte, Terabyte and Petabyte based on powers of 1024. .It Fl k Display block counts in 1024-byte (1 kiB) blocks. .It Fl l @@ -131,6 +132,11 @@ This option exists solely for conformance with Display an entry for each specified file. (Equivalent to .Fl d Li 0 ) +.It Fl Fl si +.Dq Human-readable +output. +Use unit suffixes: Byte, Kilobyte, Megabyte, +Gigabyte, Terabyte and Petabyte based on powers of 1000. .It Fl t Ar threshold Display only entries for which size exceeds .Ar threshold . @@ -166,9 +172,9 @@ options override each other and the command's actions are determined by the last one specified. .Pp The -.Fl h, k +.Fl h, k, m and -.Fl m +.Fl Fl si options all override each other; the last one specified determines the block counts used. .Sh ENVIRONMENT @@ -177,17 +183,17 @@ the block counts used. If the environment variable .Ev BLOCKSIZE is set, and the -.Fl h, k +.Fl h, k, m or -.Fl m +.Fl Fl si options are not specified, the block counts will be displayed in units of that block size. If .Ev BLOCKSIZE is not set, and the -.Fl h, k +.Fl h, k, m or -.Fl m +.Fl Fl si options are not specified, the block counts will be displayed in 512-byte blocks. .El diff --git a/usr.bin/du/du.c b/usr.bin/du/du.c index 7574f2c..c121699 100644 --- a/usr.bin/du/du.c +++ b/usr.bin/du/du.c @@ -51,6 +51,7 @@ __FBSDID("$FreeBSD$"); #include #include #include +#include #include #include #include @@ -60,6 +61,11 @@ __FBSDID("$FreeBSD$"); #include #include +#define SI_OPT (CHAR_MAX + 1) + +#define UNITS_2 1 +#define UNITS_SI 2 + static SLIST_HEAD(ignhead, ignentry) ignores; struct ignentry { char *mask; @@ -75,10 +81,16 @@ static int ignorep(FTSENT *); static void siginfo(int __unused); static int nodumpflag = 0; -static int Aflag; +static int Aflag, hflag; static long blocksize, cblocksize; static volatile sig_atomic_t info; +static const struct option long_options[] = +{ + { "si", no_argument, NULL, SI_OPT }, + { NULL, no_argument, NULL, 0 }, +}; + int main(int argc, char *argv[]) { @@ -89,14 +101,13 @@ main(int argc, char *argv[]) int ftsoptions; int depth; int Hflag, Lflag, aflag, sflag, dflag, cflag; - int hflag, lflag, ch, notused, rval; + int lflag, ch, notused, rval; char **save; static char dot[] = "."; setlocale(LC_ALL, ""); - Hflag = Lflag = aflag = sflag = dflag = cflag = hflag = - lflag = Aflag = 0; + Hflag = Lflag = aflag = sflag = dflag = cflag = lflag = Aflag = 0; save = argv; ftsoptions = FTS_PHYSICAL; @@ -108,7 +119,8 @@ main(int argc, char *argv[]) depth = INT_MAX; SLIST_INIT(&ignores); - while ((ch = getopt(argc, argv, "AB:HI:LPasd:cghklmnrt:x")) != -1) + while ((ch = getopt_long(argc, argv, "+AB:HI:LPasd:cghklmnrt:x", + long_options, NULL)) != -1) switch (ch) { case 'A': Aflag = 1; @@ -160,7 +172,7 @@ main(int argc, char *argv[]) blocksize = 1073741824; break; case 'h': - hflag = 1; + hflag = UNITS_2; break; case 'k': hflag = 0; @@ -189,6 +201,9 @@ main(int argc, char *argv[]) case 'x': ftsoptions |= FTS_XDEV; break; + case SI_OPT: + hflag = UNITS_SI; + break; case '?': default: usage(); @@ -270,7 +285,7 @@ main(int argc, char *argv[]) if (p->fts_level <= depth && threshold <= threshold_sign * howmany(p->fts_bignum * cblocksize, blocksize)) { - if (hflag) { + if (hflag > 0) { prthumanval(p->fts_bignum); (void)printf("\t%s\n", p->fts_path); } else { @@ -306,7 +321,7 @@ main(int argc, char *argv[]) howmany(p->fts_statp->st_blocks, cblocksize); if (aflag || p->fts_level == 0) { - if (hflag) { + if (hflag > 0) { prthumanval(curblocks); (void)printf("\t%s\n", p->fts_path); } else { @@ -326,7 +341,7 @@ main(int argc, char *argv[]) err(1, "fts_read"); if (cflag) { - if (hflag) { + if (hflag > 0) { prthumanval(savednumber); (void)printf("\ttotal\n"); } else { @@ -474,13 +489,16 @@ static void prthumanval(int64_t bytes) { char buf[5]; + int flags; bytes *= cblocksize; + flags = HN_B | HN_NOSPACE | HN_DECIMAL; if (!Aflag) bytes *= DEV_BSIZE; + if (hflag == UNITS_SI) + flags |= HN_DIVISOR_1000; - humanize_number(buf, sizeof(buf), bytes, "", HN_AUTOSCALE, - HN_B | HN_NOSPACE | HN_DECIMAL); + humanize_number(buf, sizeof(buf), bytes, "", HN_AUTOSCALE, flags); (void)printf("%4s", buf); } diff --git a/usr.bin/du/tests/du_test.sh b/usr.bin/du/tests/du_test.sh index f730b3c..8533a1a 100755 --- a/usr.bin/du/tests/du_test.sh +++ b/usr.bin/du/tests/du_test.sh @@ -141,6 +141,20 @@ m_flag_body() atf_check -o inline:'1\tA\n1\tB\n1024\tC\n' du -Am A B C } +atf_test_case si_flag +si_flag_head() +{ + atf_set "descr" "Verify --si output" +} +si_flag_body() +{ + atf_check truncate -s 1500000 A + atf_check truncate -s 1572864 B + + atf_check -o inline:'1.4M\tA\n1.5M\tB\n' du -Ah A B + atf_check -o inline:'1.5M\tA\n1.6M\tB\n' du -A --si A B +} + atf_init_test_cases() { atf_add_test_case A_flag @@ -150,4 +164,5 @@ atf_init_test_cases() atf_add_test_case h_flag atf_add_test_case k_flag atf_add_test_case m_flag + atf_add_test_case si_flag } -- cgit v1.1