static int xdl_process_hunk(recfile_t *rff, patch_t *pch, long *ibase, int mode,
xdemitcb_t *ecb, xdemitcb_t *rjecb) {
int fuzz, exact, hlen, maxfuzz;
long hkpos;
hlen = mode == '-' ? pch->hi.cmn + pch->hi.rdel: pch->hi.cmn + pch->hi.radd;
maxfuzz = XDL_MAX_FUZZ;
if (hlen - maxfuzz < XDL_MIN_SYNCLINES)
maxfuzz = hlen - XDL_MIN_SYNCLINES;
if (maxfuzz < 0)
maxfuzz = 0;
for (fuzz = 0; fuzz <= maxfuzz; fuzz++) {
if (xdl_find_hunk(rff, *ibase, pch, mode, fuzz,
&hkpos, &exact)) {
if (xdl_apply_hunk(rff, hkpos, pch, mode,
ibase, ecb) < 0) {
return -1;
}
if (!exact || fuzz)
pch->fuzzies++;
return 0;
}
}
if (xdl_reject_hunk(rff, pch, mode, rjecb) < 0) {
return -1;
}
return 0;
}
int xdl_patch(mmfile_t *mf, mmfile_t *mfp, int mode, xdemitcb_t *ecb,
xdemitcb_t *rjecb) {
int hkres;
long hkpos, ibase;
recfile_t rff;
patch_t pch;
patchstats_t ps;
if (xdl_init_recfile(mf, &rff) < 0) {
return -1;
}
if (xdl_init_patch(mfp, &pch) < 0) {
xdl_free_recfile(&rff);
return -1;
}
ps.adds = ps.dels = 0;
ibase = 0;
if ((hkres = xdl_first_hunk(&pch)) > 0) {
do {
if (xdl_find_hunk(&rff, ibase, &pch, mode, &hkpos)) {
if (xdl_apply_hunk(&rff, hkpos, &pch, mode,
&ibase, ecb, &ps) < 0) {
xdl_free_patch(&pch);
xdl_free_recfile(&rff);
return -1;
}
} else {
if (xdl_reject_hunk(&rff, &pch, mode, rjecb, &ps) < 0) {
xdl_free_patch(&pch);
xdl_free_recfile(&rff);
return -1;
}
}
} while ((hkres = xdl_next_hunk(&pch)) > 0);
}
if (hkres < 0) {
xdl_free_patch(&pch);
xdl_free_recfile(&rff);
return -1;
}
if (xdl_flush_section(&rff, ibase, rff.nrec - 1, ecb) < 0) {
xdl_free_patch(&pch);
xdl_free_recfile(&rff);
return -1;
}
xdl_free_patch(&pch);
xdl_free_recfile(&rff);
return 0;
}
