static int xdl_find_hunk(recfile_t *rf, long ibase, patch_t *pch, int mode,
int fuzz, long *hkpos, int *exact) {
long hpos, hlen, i, j;
long pos[2];
hpos = mode == '-' ? pch->hi.s1: pch->hi.s2;
hlen = mode == '-' ? pch->hi.cmn + pch->hi.rdel: pch->hi.cmn + pch->hi.radd;
if (xdl_hunk_match(rf, hpos, pch, mode, fuzz)) {
*hkpos = hpos;
*exact = 1;
return 1;
}
for (i = 1;; i++) {
/*
* We allow a negative starting hunk position, up to the
* number of prefix context lines.
*/
j = 0;
if (hpos - i >= ibase - pch->hi.pctx)
pos[j++] = hpos - i;
if (hpos + i + hlen <= rf->nrec)
pos[j++] = hpos + i;
if (!j)
break;
for (j--; j >= 0; j--)
if (xdl_hunk_match(rf, pos[j], pch, mode, fuzz)) {
*hkpos = pos[j];
*exact = 0;
return 1;
}
}
return 0;
}
static int xdl_find_hunk(recfile_t *rf, long ibase, patch_t *pch, int mode,
long *hkpos) {
long hpos, hlen, i, j;
long pos[2];
hpos = mode == '-' ? pch->hi.s1: pch->hi.s2;
hlen = mode == '-' ? pch->hi.cmn + pch->hi.rdel: pch->hi.cmn + pch->hi.radd;
if (xdl_hunk_match(rf, hpos, pch, mode)) {
*hkpos = hpos;
return 1;
}
for (i = 1;; i++) {
j = 0;
if (hpos - i >= ibase)
pos[j++] = hpos - i;
if (hpos + i + hlen < rf->nrec)
pos[j++] = hpos + i;
if (!j)
break;
for (j--; j >= 0; j--)
if (xdl_hunk_match(rf, pos[j], pch, mode)) {
*hkpos = pos[j];
return 1;
}
}
return 0;
}
