/* --- Object ctors/dtors */ static rpmbf rpmbf_init(JSContext *cx, JSObject *obj, size_t _m, size_t _k, unsigned int _flags) { rpmbf bf; if ((bf = rpmbfNew(_m, _k, _flags)) == NULL) return NULL; if (!JS_SetPrivate(cx, obj, bf)) { /* XXX error msg */ (void) rpmbfFree(bf); return NULL; } return bf; }
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; }