string cpu_time_t::to_s(const char *_fpformat) const {
if (_fpformat == 0)
_fpformat = "%.5lg%s";
double t = seconds();
if (t < 9.9999e-9) { // nanoseconds
return formatf(_fpformat, t * 1e9, "ns");
}
if (t < 9.9999e-6) { // microseconds
return formatf(_fpformat, t * 1e6, "us");
}
else if (t < 0.099999) { // milliseconds
return formatf(_fpformat, t * 1000.0, "ms");
} else if (t < 300.0) {
return formatf(_fpformat, t, "s");
}
const double h1 = 3600.0;
const double h2 = 2.0 * 3600.0;
const double d1 = 24.0 * 3600.0;
const double d2 = 48.0 * 3600.0;
if (t >= d2) { // days
double d = floor(t / d1);
t -= d * d1;
double h = floor(t / h1);
t -= h * h1;
double m = floor(t / 60.0);
t -= m * 60.0;
double s = t;
return formatf("%dd:%dh:%dm:%lg.2s", int(d), int(h), int(m), s);
}
else if (t >= h2) { // hours
double h = floor(t / h1);
t -= h * h1;
double m = floor(t / 60.0);
t -= m * 60.0;
double s = t;
return formatf("%dh:%dm:%lg.2s", int(h), int(m), s);
}
else if (t >= 300.0) { // minutes
double m = floor(t / 60.0);
t -= m * 60.0;
double s = t;
return formatf("%dm:%.2lgs", int(m), s);
}
assert("!unreachable");
return formatf(_fpformat, t, "s"); // has been tested before (see above)
}
cpu_time_diff_t StopWatch::toc(std::ostream &_os, const char *_msg) {
cpu_time_diff_t dt = toc();
_os << formatf(_msg, dt.to_s().c_str());
return dt;
}
/*
* Do an "ls" style listing of a directory
*/
static void
printlist(const char *name, char *basename)
{
struct afile *fp, *list, *listp = NULL;
struct direct *dp;
struct afile single;
RST_DIR *dirp;
int entries, len, namelen;
char locname[MAXPATHLEN + 1];
dp = pathsearch(name);
if (dp == NULL || (!dflag && TSTINO(dp->d_ino, dumpmap) == 0) ||
(!vflag && dp->d_ino == UFS_WINO))
return;
if ((dirp = rst_opendir(name)) == NULL) {
entries = 1;
list = &single;
mkentry(name, dp, list);
len = strlen(basename) + 1;
if (strlen(name) - len > (unsigned short)single.len) {
freename(single.fname);
single.fname = savename(&name[len]);
single.len = strlen(single.fname);
}
} else {
entries = 0;
while ((dp = rst_readdir(dirp)))
entries++;
rst_closedir(dirp);
list = (struct afile *)malloc(entries * sizeof(struct afile));
if (list == NULL) {
fprintf(stderr, "ls: out of memory\n");
return;
}
if ((dirp = rst_opendir(name)) == NULL)
panic("directory reopen failed\n");
fprintf(stderr, "%s:\n", name);
entries = 0;
listp = list;
strncpy(locname, name, MAXPATHLEN);
strncat(locname, "/", MAXPATHLEN);
namelen = strlen(locname);
while ((dp = rst_readdir(dirp))) {
if (dp == NULL)
break;
if (!dflag && TSTINO(dp->d_ino, dumpmap) == 0)
continue;
if (!vflag && (dp->d_ino == UFS_WINO ||
strcmp(dp->d_name, ".") == 0 ||
strcmp(dp->d_name, "..") == 0))
continue;
locname[namelen] = '\0';
if (namelen + dp->d_namlen >= MAXPATHLEN) {
fprintf(stderr, "%s%s: name exceeds %d char\n",
locname, dp->d_name, MAXPATHLEN);
} else {
strncat(locname, dp->d_name, (int)dp->d_namlen);
mkentry(locname, dp, listp++);
entries++;
}
}
rst_closedir(dirp);
if (entries == 0) {
fprintf(stderr, "\n");
free(list);
return;
}
qsort((char *)list, entries, sizeof(struct afile), fcmp);
}
formatf(list, entries);
if (dirp != NULL) {
for (fp = listp - 1; fp >= list; fp--)
freename(fp->fname);
fprintf(stderr, "\n");
free(list);
}
}