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-rw-r--r--xdiff/xdiffi.c32
1 files changed, 26 insertions, 6 deletions
diff --git a/xdiff/xdiffi.c b/xdiff/xdiffi.c
index 1bad8462fb..1b7012a119 100644
--- a/xdiff/xdiffi.c
+++ b/xdiff/xdiffi.c
@@ -26,7 +26,7 @@
#define XDL_MAX_COST_MIN 256
#define XDL_HEUR_MIN_COST 256
-#define XDL_LINE_MAX (long)((1UL << (8 * sizeof(long) - 1)) - 1)
+#define XDL_LINE_MAX (long)((1UL << (CHAR_BIT * sizeof(long) - 1)) - 1)
#define XDL_SNAKE_CNT 20
#define XDL_K_HEUR 4
@@ -293,15 +293,14 @@ int xdl_recs_cmp(diffdata_t *dd1, long off1, long lim1,
for (; off1 < lim1; off1++)
rchg1[rindex1[off1]] = 1;
} else {
- long ec;
xdpsplit_t spl;
spl.i1 = spl.i2 = 0;
/*
* Divide ...
*/
- if ((ec = xdl_split(ha1, off1, lim1, ha2, off2, lim2, kvdf, kvdb,
- need_min, &spl, xenv)) < 0) {
+ if (xdl_split(ha1, off1, lim1, ha2, off2, lim2, kvdf, kvdb,
+ need_min, &spl, xenv) < 0) {
return -1;
}
@@ -329,6 +328,12 @@ int xdl_do_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
xdalgoenv_t xenv;
diffdata_t dd1, dd2;
+ if (XDF_DIFF_ALG(xpp->flags) == XDF_PATIENCE_DIFF)
+ return xdl_do_patience_diff(mf1, mf2, xpp, xe);
+
+ if (XDF_DIFF_ALG(xpp->flags) == XDF_HISTOGRAM_DIFF)
+ return xdl_do_histogram_diff(mf1, mf2, xpp, xe);
+
if (xdl_prepare_env(mf1, mf2, xpp, xe) < 0) {
return -1;
@@ -454,7 +459,7 @@ int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, long flags) {
/*
* Record the end-of-group position in case we are matched
* with a group of changes in the other file (that is, the
- * change record before the enf-of-group index in the other
+ * change record before the end-of-group index in the other
* file is set).
*/
ixref = rchgo[ixo - 1] ? ix: nrec;
@@ -533,11 +538,26 @@ void xdl_free_script(xdchange_t *xscr) {
}
}
+static int xdl_call_hunk_func(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
+ xdemitconf_t const *xecfg)
+{
+ xdchange_t *xch, *xche;
+
+ for (xch = xscr; xch; xch = xche->next) {
+ xche = xdl_get_hunk(xch, xecfg);
+ if (xecfg->hunk_func(xch->i1, xche->i1 + xche->chg1 - xch->i1,
+ xch->i2, xche->i2 + xche->chg2 - xch->i2,
+ ecb->priv) < 0)
+ return -1;
+ }
+ return 0;
+}
int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
xdemitconf_t const *xecfg, xdemitcb_t *ecb) {
xdchange_t *xscr;
xdfenv_t xe;
+ emit_func_t ef = xecfg->hunk_func ? xdl_call_hunk_func : xdl_emit_diff;
if (xdl_do_diff(mf1, mf2, xpp, &xe) < 0) {
@@ -551,7 +571,7 @@ int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
return -1;
}
if (xscr) {
- if (xdl_emit_diff(&xe, xscr, ecb, xecfg) < 0) {
+ if (ef(&xe, xscr, ecb, xecfg) < 0) {
xdl_free_script(xscr);
xdl_free_env(&xe);