From e184a883567ee3fd735644416e4bd683f1894ac5 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Mon, 12 Dec 2016 19:56:31 +0100 Subject: df: implement -B n and -B formats of -B option Signed-off-by: Denys Vlasenko --- coreutils/df.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) (limited to 'coreutils') diff --git a/coreutils/df.c b/coreutils/df.c index fdcdae675..79e4c4670 100644 --- a/coreutils/df.c +++ b/coreutils/df.c @@ -129,8 +129,19 @@ int df_main(int argc UNUSED_PARAM, char **argv) if (opt & OPT_MEGA) df_disp_hr = 1024*1024; - if (opt & OPT_BSIZE) - df_disp_hr = xatoul_range(chp, 1, ULONG_MAX); /* disallow 0 */ + if (opt & OPT_BSIZE) { + /* GNU coreutils 8.25 accepts "-BMiB" form too */ + int i; + for (i = 0; kmg_i_suffixes[i].suffix[0]; i++) { + if (strcmp(kmg_i_suffixes[i].suffix, chp) == 0) { + df_disp_hr = kmg_i_suffixes[i].mult; + goto got_it; + } + } + /* Range used to disallow 0 */ + df_disp_hr = xatoul_range_sfx(chp, 1, ULONG_MAX, kmg_i_suffixes); + got_it: ; + } /* From the manpage of df from coreutils-6.10: * Disk space is shown in 1K blocks by default, unless the environment @@ -203,6 +214,11 @@ int df_main(int argc UNUSED_PARAM, char **argv) bb_simple_perror_msg(mount_point); goto set_error; } + /* Some uclibc versions were seen to lose f_frsize + * (kernel does return it, but then uclibc does not copy it) + */ + if (s.f_frsize == 0) + s.f_frsize = s.f_bsize; if ((s.f_blocks > 0) || !mount_table || (opt & OPT_ALL)) { if (opt & OPT_INODE) { -- cgit v1.2.3