+
+char *format_bytes_full(char *buf, size_t l, uint64_t t, FormatBytesFlag flag) {
+ typedef struct {
+ const char *suffix;
+ uint64_t factor;
+ } suffix_table;
+ static const suffix_table table_iec[] = {
+ { "E", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
+ { "P", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
+ { "T", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
+ { "G", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
+ { "M", UINT64_C(1024)*UINT64_C(1024) },
+ { "K", UINT64_C(1024) },
+ }, table_non_iec[] = {
+ { "E", UINT64_C(1000)*UINT64_C(1000)*UINT64_C(1000)*UINT64_C(1000)*UINT64_C(1000)*UINT64_C(1000) },
+ { "P", UINT64_C(1000)*UINT64_C(1000)*UINT64_C(1000)*UINT64_C(1000)*UINT64_C(1000) },
+ { "T", UINT64_C(1000)*UINT64_C(1000)*UINT64_C(1000)*UINT64_C(1000) },
+ { "G", UINT64_C(1000)*UINT64_C(1000)*UINT64_C(1000) },
+ { "M", UINT64_C(1000)*UINT64_C(1000) },
+ { "K", UINT64_C(1000) },
+ };
+ const suffix_table *table;
+ size_t i;
+
+ assert_cc(ELEMENTSOF(table_iec) == ELEMENTSOF(table_non_iec));
+
+ if (t == (uint64_t) -1)
+ return NULL;
+
+ table = flag & FORMAT_BYTES_USE_IEC ? table_iec : table_non_iec;
+
+ for (i = 0; i < ELEMENTSOF(table_iec); i++)
+ if (t >= table[i].factor) {
+ if (flag & FORMAT_BYTES_BELOW_POINT)
+ snprintf(buf, l,
+ "%" PRIu64 ".%" PRIu64 "%s",
+ t / table[i].factor,
+ ((t*UINT64_C(10)) / table[i].factor) % UINT64_C(10),
+ table[i].suffix);
+ else
+ snprintf(buf, l,
+ "%" PRIu64 "%s",
+ t / table[i].factor,
+ table[i].suffix);
+
+ goto finish;
+ }
+
+ snprintf(buf, l, "%" PRIu64 "%s", t, flag & FORMAT_BYTES_TRAILING_B ? "B" : "");
+
+finish:
+ buf[l-1] = 0;
+ return buf;
+
+}