#include "util.hh"#ifdef __GNUC__# define likely(x)       __builtin_expect(!!(x), 1)# define unlikely(x)     __builtin_expect(!!(x), 0)#else# define likely(x)   (x)# define unlikely(x) (x)#endif#include <sstream>#include <sys/stat.h>const std::string ReportSize(uint_fast64_t size){    std::stringstream st;    st.flags(std::ios_base::fixed);    st.precision(2);    if(size < 90000llu) st << size << " bytes";    else if(size < 1500000llu)    st << (size/1e3) << " kB";    else if(size < 1500000000llu) st << (size/1e6) << " MB";    else if(size < 1500000000000llu) st << (size/1e9) << " GB";    else if(size < 1500000000000000llu) st << (size/1e12) << " TB";    else st << (size/1e15) << " PB";    return st.str();}static char ftypelet(unsigned mode){    /* this list of modes and chars comes from glibc, lib/filemode.c, ftypelet() */    switch(__builtin_expect(mode & S_IFMT, S_IFREG))    {        case S_IFREG: return '-';#ifdef S_ISBLK        case S_IFBLK: return 'b';#endif#ifdef S_ISCHR        case S_IFCHR: return 'c';#endif#ifdef S_ISDIR        case S_IFDIR: return 'd';#endif#ifdef S_ISFIFO        case S_IFIFO: return 'p';#endif#ifdef S_ISLNK        case S_IFLNK: return 'l';#endif#ifdef S_ISSOCK        case S_IFSOCK: return 's';#endif    }#ifdef S_ISMPC    if (S_ISMPC(mode)) return 'm';#endif#ifdef S_ISNWK    if (S_ISNWK(mode)) return 'n';#endif#ifdef S_ISDOOR    if (S_ISDOOR(mode)) return 'D';#endif#ifdef S_ISCTG    if (S_ISCTG(mode)) return 'C';#endif#ifdef S_ISOFD    if (S_ISOFD(mode)) return 'M';#endif#ifdef S_ISOFL    if (S_ISOFL(mode)) return 'M';#endif    return '?';}const std::string TranslateMode(unsigned mode){    char result[10];    static const char data[] = {'-','r','x','w', 'S','T', 's','t' };    result[0] = ftypelet(mode);    result[1] = data[!!(mode & S_IRUSR)*1]; // -,r    result[2] = data[!!(mode & S_IWUSR)*3]; // -,w    result[3] = data[!!(mode & S_IXUSR)*2 + 4*!!(mode & S_ISUID)]; // -,x or S,s    result[4] = data[!!(mode & S_IRGRP)*1]; // -,r    result[5] = data[!!(mode & S_IWGRP)*3]; // -,w    result[6] = data[!!(mode & S_IXGRP)*2 + 4*!!(mode & S_ISGID)]; // -,x or S,s    result[7] = data[!!(mode & S_IROTH)*1]; // -,r    result[8] = data[!!(mode & S_IWOTH)*3]; // -,w    result[9] = data[!!(mode & S_IXOTH)*2 + 5*!!(mode & S_ISVTX)]; // -,x or T,t    return std::string(result,result+10);}