diff options
Diffstat (limited to 'nix/libstore/misc.cc')
| -rw-r--r-- | nix/libstore/misc.cc | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/nix/libstore/misc.cc b/nix/libstore/misc.cc index bc5dec88bf..e9904f3c4f 100644 --- a/nix/libstore/misc.cc +++ b/nix/libstore/misc.cc @@ -1,4 +1,5 @@ #include "misc.hh" +#include <math.h> #include "store-api.hh" #include "local-store.hh" #include "globals.hh" @@ -94,5 +95,25 @@ Paths topoSortPaths(StoreAPI & store, const PathSet & paths) return sorted; } +/* Max of LLONG_MAX is 8 EiB */ +string showBytes(long long bytes) +{ + if (llabs(bytes > exp2l(60))) { + return (format("%7.2f EiB") % (bytes / exp2l(60))).str(); + } else if (llabs(bytes > exp2l(50))) { + return (format("%7.2f PiB") % (bytes / exp2l(50))).str(); + } else if (llabs(bytes > exp2l(40))) { + return (format("%7.2f TiB") % (bytes / exp2l(40))).str(); + } else if (llabs(bytes > exp2l(30))) { + return (format("%7.2f GiB") % (bytes / exp2l(30))).str(); + } else if (llabs(bytes > exp2l(20))) { + return (format("%7.2f MiB") % (bytes / exp2l(20))).str(); + } else if (llabs(bytes > exp2l(10))) { + return (format("%7.2f KiB") % (bytes / exp2l(10))).str(); + } else { + return (format("%4f bytes") % bytes).str(); + } +} + } |