diff options
Diffstat (limited to 'lib/display_options.c')
| -rw-r--r-- | lib/display_options.c | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/lib/display_options.c b/lib/display_options.c index 2dc2567..a711425 100644 --- a/lib/display_options.c +++ b/lib/display_options.c @@ -39,30 +39,37 @@ int display_options (void) } /* - * print sizes as "xxx kB", "xxx.y kB", "xxx MB", "xxx.y MB", - * xxx GB, or xxx.y GB as needed; allow for optional trailing string + * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB", + * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string * (like "\n") */ -void print_size (phys_size_t size, const char *s) +void print_size(unsigned long long size, const char *s) { - ulong m = 0, n; - phys_size_t d = 1 << 30; /* 1 GB */ - char c = 'G'; - - if (size < d) { /* try MB */ - c = 'M'; - d = 1 << 20; - if (size < d) { /* print in kB */ - c = 'k'; - d = 1 << 10; + unsigned long m = 0, n; + unsigned long long f; + static const char names[] = {'E', 'P', 'T', 'G', 'M', 'K'}; + unsigned long d = 10 * ARRAY_SIZE(names); + char c = 0; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(names); i++, d -= 10) { + if (size >> d) { + c = names[i]; + break; } } - n = size / d; + if (!c) { + printf("%llu Bytes%s", size, s); + return; + } + + n = size >> d; + f = size & ((1ULL << d) - 1); /* If there's a remainder, deal with it */ - if(size % d) { - m = (10 * (size - (n * d)) + (d / 2) ) / d; + if (f) { + m = (10ULL * f + (1ULL << (d - 1))) >> d; if (m >= 10) { m -= 10; @@ -70,11 +77,11 @@ void print_size (phys_size_t size, const char *s) } } - printf ("%2ld", n); + printf ("%lu", n); if (m) { printf (".%ld", m); } - printf (" %cB%s", c, s); + printf (" %ciB%s", c, s); } /* |