diff options
Diffstat (limited to 'lib/lib.c')
| -rw-r--r-- | lib/lib.c | 29 |
1 files changed, 22 insertions, 7 deletions
@@ -1148,18 +1148,33 @@ match: } // display first "dgt" many digits of number plus unit (kilo-exabytes) -int human_readable_long(char *buf, unsigned long long num, int dgt, int style) +int human_readable_long(char *buf, unsigned long long num, int dgt, int unit, + int style) { unsigned long long snap = 0; - int len, unit, divisor = (style&HR_1000) ? 1000 : 1024; + int len, commas = 0, off, ii, divisor = (style&HR_1000) ? 1000 : 1024; // Divide rounding up until we have 3 or fewer digits. Since the part we // print is decimal, the test is 999 even when we divide by 1024. - // We can't run out of units because 1<<64 is 18 exabytes. - for (unit = 0; snprintf(0, 0, "%llu", num)>dgt; unit++) + // The largest unit we can detect is 1<<64 = 18 Exabytes, but we added + // Zettabyte and Yottabyte in case "unit" starts above zero. + for (;;unit++) { + len = snprintf(0, 0, "%llu", num); + if (style&HR_COMMAS) commas = (len>4)*((len-1)/3); + if (len<=(dgt-commas)) break; num = ((snap = num)+(divisor/2))/divisor; + } + if (CFG_TOYBOX_DEBUG && unit>8) return sprintf(buf, "%.*s", dgt, "TILT"); + len = sprintf(buf, "%llu", num); - if (unit && len == 1) { + if (commas) { + for (ii = 0; ii<commas; ii++) { + off = len-3*(ii+1); + memmove(buf+off+commas-ii, buf+off, 3); + buf[off+commas-ii-1] = ','; + } + len += commas; + } else if (unit && len == 1) { // Redo rounding for 1.2M case, this works with and without HR_1000. num = snap/divisor; snap -= num*divisor; @@ -1169,7 +1184,7 @@ int human_readable_long(char *buf, unsigned long long num, int dgt, int style) } if (style & HR_SPACE) buf[len++] = ' '; if (unit) { - unit = " kMGTPE"[unit]; + unit = " kMGTPEZY"[unit]; if (!(style&HR_1000)) unit = toupper(unit); buf[len++] = unit; @@ -1182,7 +1197,7 @@ int human_readable_long(char *buf, unsigned long long num, int dgt, int style) // Give 3 digit estimate + units ala 999M or 1.7T int human_readable(char *buf, unsigned long long num, int style) { - return human_readable_long(buf, num, 3, style); + return human_readable_long(buf, num, 3, 0, style); } // The qsort man page says you can use alphasort, the posix committee |