static void
rpmgi_dtor(JSContext *cx, JSObject *obj)
{
void * ptr = JS_GetInstancePrivate(cx, obj, &rpmgiClass, NULL);
rpmgi gi = ptr;
_DTOR_DEBUG_ENTRY(_debug);
if (gi)
(void) rpmgiFree(gi);
}
int main(int argc, char *argv[])
{
HE_t he = (HE_t)memset(alloca(sizeof(*he)), 0, sizeof(*he));
poptContext optCon;
rpmts ts = NULL;
rpmgi gi = NULL;
size_t n = 4096;
static double e = 1.0e-4;
size_t m = 0;
size_t k = 0;
rpmTag gitag = RPMDBI_PACKAGES;
rpmTag hetag = RPMTAG_DIRNAMES;
ARGV_t av;
rpmRC rc;
int ec = EXIT_FAILURE;
FD_t fd;
struct stat sb;
static const char fn_dirs[] = "/tmp/dirs.xz";
size_t ndirs = 0;
size_t ndirb = 0;
size_t ndirxz = 0;
static const char fn_bf[] = "/tmp/bf.xz";
static const char fmode_w[] = "w9.xzdio";
rpmbf * bfa = NULL;
size_t npkgs = 0;
size_t nb = 0;
size_t nover = 0;
int ix = 0;
int jx;
int xx;
optCon = rpmcliInit(argc, argv, optionsTable);
if (optCon == NULL)
goto exit;
if (rpmioFtsOpts == 0)
rpmioFtsOpts = (FTS_COMFOLLOW | FTS_LOGICAL | FTS_NOSTAT);
if (gitagstr != NULL)
gitag = tagValue(gitagstr);
av = poptGetArgs(optCon);
ts = rpmtsCreate();
(void) rpmtsSetFlags(ts, transFlags);
(void) rpmtsSetDFlags(ts, depFlags);
(void) rpmtsSetVSFlags(ts, vsFlags);
gi = rpmgiNew(ts, gitag, gikeystr, 0);
(void) rpmgiSetArgs(gi, av, rpmioFtsOpts, giFlags);
npkgs = 0;
while ((rc = rpmgiNext(gi)) == RPMRC_OK)
npkgs++;
bfa = xcalloc(npkgs, sizeof(*bfa));
rpmbfParams(n, e, &m, &k);
fd = Fopen(fn_dirs, fmode_w);
nb = 0;
ix = 0;
while ((rc = rpmgiNext(gi)) == RPMRC_OK) {
static const char newline[] = "\n";
rpmbf bf;
Header h;
bf = NULL;
h = rpmgiHeader(gi);
he->tag = hetag;
if (headerGet(h, he, 0) && he->c > 0) {
/* XXX make sure n >= _nmin in rpmbfParams() */
n = (he->c > 10 ? he->c : 10);
rpmbfParams(n, e, &m, &k);
nb += (m+7)/8;
bf = rpmbfNew(m, k, 0);
for (jx = 0; jx < (int) he->c; jx++) {
const char * s = he->p.argv[jx];
size_t ns = strlen(s);
xx = rpmbfAdd(bf, s, ns);
xx = Fwrite(s, 1, ns, fd);
xx = Fwrite(newline, 1, 1, fd);
ndirs++;
ndirb += ns + 1;
}
}
xx = Fwrite(newline, 1, 1, fd);
ndirb++;
bfa[ix++] = bf;
}
xx = Fclose(fd);
xx = Stat(fn_dirs, &sb);
xx = Unlink(fn_dirs);
ndirxz = sb.st_size;
fprintf(stdout, " npkgs: %u\n", (unsigned) npkgs);
fprintf(stdout, " Dirnames: %u bytes (%u items)\n", (unsigned) ndirb, ndirs);
fprintf(stdout, " with XZDIO: %u bytes\n", (unsigned) ndirxz);
fprintf(stdout, "Bloom filter: false positives: %5.2g\n", e);
nover = npkgs * 16;
fprintf(stdout, "Uncompressed: %u = parms(%u) + bitmaps(%u) bytes\n", (unsigned)nb+nover, (unsigned)nover, (unsigned)nb);
fprintf(stdout, " with XZDIO: %u bytes\n", rpmbfWrite(Fopen(fn_bf, fmode_w), bfa, npkgs));
ec = EXIT_SUCCESS;
exit:
for (ix = 0; ix < (int) npkgs; ix++)
bfa[ix] = rpmbfFree(bfa[ix]);
bfa = _free(bfa);
gi = rpmgiFree(gi);
(void) rpmtsFree(ts);
ts = NULL;
optCon = rpmcliFini(optCon);
return ec;
}
