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-rw-r--r--xdiff/xdiff.h1
-rw-r--r--xdiff/xdiffi.c4
-rw-r--r--xdiff/xemit.c3
-rw-r--r--xdiff/xemit.h3
4 files changed, 8 insertions, 3 deletions
diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h
index deebe02cd..84fff583e 100644
--- a/xdiff/xdiff.h
+++ b/xdiff/xdiff.h
@@ -87,6 +87,7 @@ typedef struct s_xdemitconf {
unsigned long flags;
find_func_t find_func;
void *find_func_priv;
+ void (*emit_func)();
} xdemitconf_t;
typedef struct s_bdiffparam {
diff --git a/xdiff/xdiffi.c b/xdiff/xdiffi.c
index 1bad8462f..9d0324a38 100644
--- a/xdiff/xdiffi.c
+++ b/xdiff/xdiffi.c
@@ -538,6 +538,8 @@ 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->emit_func ?
+ (emit_func_t)xecfg->emit_func : xdl_emit_diff;
if (xdl_do_diff(mf1, mf2, xpp, &xe) < 0) {
@@ -551,7 +553,7 @@ 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);
diff --git a/xdiff/xemit.c b/xdiff/xemit.c
index d3d9c845c..4625c1b42 100644
--- a/xdiff/xemit.c
+++ b/xdiff/xemit.c
@@ -27,7 +27,6 @@
static long xdl_get_rec(xdfile_t *xdf, long ri, char const **rec);
static int xdl_emit_record(xdfile_t *xdf, long ri, char const *pre, xdemitcb_t *ecb);
-static xdchange_t *xdl_get_hunk(xdchange_t *xscr, xdemitconf_t const *xecfg);
@@ -58,7 +57,7 @@ static int xdl_emit_record(xdfile_t *xdf, long ri, char const *pre, xdemitcb_t *
* Starting at the passed change atom, find the latest change atom to be included
* inside the differential hunk according to the specified configuration.
*/
-static xdchange_t *xdl_get_hunk(xdchange_t *xscr, xdemitconf_t const *xecfg) {
+xdchange_t *xdl_get_hunk(xdchange_t *xscr, xdemitconf_t const *xecfg) {
xdchange_t *xch, *xchp;
for (xchp = xscr, xch = xscr->next; xch; xchp = xch, xch = xch->next)
diff --git a/xdiff/xemit.h b/xdiff/xemit.h
index 440a7390f..c2e2e8302 100644
--- a/xdiff/xemit.h
+++ b/xdiff/xemit.h
@@ -24,7 +24,10 @@
#define XEMIT_H
+typedef int (*emit_func_t)(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
+ xdemitconf_t const *xecfg);
+xdchange_t *xdl_get_hunk(xdchange_t *xscr, xdemitconf_t const *xecfg);
int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
xdemitconf_t const *xecfg);