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Diffstat (limited to 'src/xdiff/xpatience.c')
-rw-r--r--src/xdiff/xpatience.c23
1 files changed, 6 insertions, 17 deletions
diff --git a/src/xdiff/xpatience.c b/src/xdiff/xpatience.c
index 53b7d5fd1..c5d48e80a 100644
--- a/src/xdiff/xpatience.c
+++ b/src/xdiff/xpatience.c
@@ -20,8 +20,6 @@
*
*/
#include "xinclude.h"
-#include "xtypes.h"
-#include "xdiff.h"
/*
* The basic idea of patience diff is to find lines that are unique in
@@ -78,7 +76,7 @@ struct hashmap {
static int is_anchor(xpparam_t const *xpp, const char *line)
{
- unsigned long i;
+ int i;
for (i = 0; i < xpp->anchors_nr; i++) {
if (!strncmp(line, xpp->anchors[i], strlen(xpp->anchors[i])))
return 1;
@@ -92,7 +90,7 @@ static void insert_record(xpparam_t const *xpp, int line, struct hashmap *map,
{
xrecord_t **records = pass == 1 ?
map->env->xdf1.recs : map->env->xdf2.recs;
- xrecord_t *record = records[line - 1], *other;
+ xrecord_t *record = records[line - 1];
/*
* After xdl_prepare_env() (or more precisely, due to
* xdl_classify_record()), the "ha" member of the records (AKA lines)
@@ -106,11 +104,7 @@ static void insert_record(xpparam_t const *xpp, int line, struct hashmap *map,
int index = (int)((record->ha << 1) % map->alloc);
while (map->entries[index].line1) {
- other = map->env->xdf1.recs[map->entries[index].line1 - 1];
- if (map->entries[index].hash != record->ha ||
- !xdl_recmatch(record->ptr, record->size,
- other->ptr, other->size,
- map->xpp->flags)) {
+ if (map->entries[index].hash != record->ha) {
if (++index >= map->alloc)
index = 0;
continue;
@@ -217,9 +211,6 @@ static struct entry *find_longest_common_sequence(struct hashmap *map)
*/
int anchor_i = -1;
- if (!sequence)
- return NULL;
-
for (entry = map->first; entry; entry = entry->next) {
if (!entry->line2 || entry->line2 == NON_UNIQUE)
continue;
@@ -258,8 +249,7 @@ static int match(struct hashmap *map, int line1, int line2)
{
xrecord_t *record1 = map->env->xdf1.recs[line1 - 1];
xrecord_t *record2 = map->env->xdf2.recs[line2 - 1];
- return xdl_recmatch(record1->ptr, record1->size,
- record2->ptr, record2->size, map->xpp->flags);
+ return record1->ha == record2->ha;
}
static int patience_diff(mmfile_t *file1, mmfile_t *file2,
@@ -294,9 +284,6 @@ static int walk_common_sequence(struct hashmap *map, struct entry *first,
/* Recurse */
if (next1 > line1 || next2 > line2) {
- struct hashmap submap;
-
- memset(&submap, 0, sizeof(submap));
if (patience_diff(map->file1, map->file2,
map->xpp, map->env,
line1, next1 - line1,
@@ -323,6 +310,8 @@ static int fall_back_to_classic_diff(struct hashmap *map,
int line1, int count1, int line2, int count2)
{
xpparam_t xpp;
+
+ memset(&xpp, 0, sizeof(xpp));
xpp.flags = map->xpp->flags & ~XDF_DIFF_ALGORITHM_MASK;
return xdl_fall_back_diff(map->env, &xpp,