diff options
| -rw-r--r-- | toys/posix/df.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/toys/posix/df.c b/toys/posix/df.c index adde58c6..0625946a 100644 --- a/toys/posix/df.c +++ b/toys/posix/df.c @@ -49,8 +49,7 @@ GLOBALS( static void show_mt(struct mtab_list *mt) { int len; - long size, used, avail, percent; - uint64_t block; + uint64_t size, used, avail, percent, block; char *device; // Return if it wasn't found (should never happen, but with /etc/mtab...) @@ -72,13 +71,15 @@ static void show_mt(struct mtab_list *mt) // Figure out how much total/used/free space this filesystem has, // forcing 64-bit math because filesystems are big now. block = mt->statvfs.f_bsize ? mt->statvfs.f_bsize : 1; - size = (long)((block * mt->statvfs.f_blocks) / TT.units); - used = (long)((block * (mt->statvfs.f_blocks-mt->statvfs.f_bfree)) - / TT.units); - avail = (long)((block - * (getuid() ? mt->statvfs.f_bavail : mt->statvfs.f_bfree)) - / TT.units); - percent = size ? 100-(long)((100*(uint64_t)avail)/size) : 0; + size = (block * mt->statvfs.f_blocks) / TT.units; + used = (block * (mt->statvfs.f_blocks-mt->statvfs.f_bfree)) / TT.units; + avail = (block * (getuid() ? mt->statvfs.f_bavail : mt->statvfs.f_bfree)) + / TT.units; + if (!(used+avail)) percent = 0; + else { + percent = (used*100)/(used+avail); + if (used*100 != percent*(used+avail)) percent++; + } device = *mt->device == '/' ? realpath(mt->device, NULL) : NULL; if (!device) device = mt->device; |