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-rw-r--r--combine-diff.c41
1 files changed, 16 insertions, 25 deletions
diff --git a/combine-diff.c b/combine-diff.c
index 214014dc64..9786680368 100644
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -8,6 +8,7 @@
#include "log-tree.h"
#include "refs.h"
#include "userdiff.h"
+#include "sha1-array.h"
static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr, int n, int num_parent)
{
@@ -422,7 +423,7 @@ static int make_hunks(struct sline *sline, unsigned long cnt,
hunk_begin, j);
la = (la + context < cnt + 1) ?
(la + context) : cnt + 1;
- while (j <= --la) {
+ while (la && j <= --la) {
if (sline[la].flag & mark) {
contin = 1;
break;
@@ -1116,15 +1117,14 @@ static void handle_combined_callback(struct diff_options *opt,
}
void diff_tree_combined(const unsigned char *sha1,
- const unsigned char parent[][20],
- int num_parent,
+ const struct sha1_array *parents,
int dense,
struct rev_info *rev)
{
struct diff_options *opt = &rev->diffopt;
struct diff_options diffopts;
struct combine_diff_path *p, *paths = NULL;
- int i, num_paths, needsep, show_log_first;
+ int i, num_paths, needsep, show_log_first, num_parent = parents->nr;
diffopts = *opt;
diffopts.output_format = DIFF_FORMAT_NO_OUTPUT;
@@ -1144,7 +1144,7 @@ void diff_tree_combined(const unsigned char *sha1,
diffopts.output_format = stat_opt;
else
diffopts.output_format = DIFF_FORMAT_NO_OUTPUT;
- diff_tree_sha1(parent[i], sha1, "", &diffopts);
+ diff_tree_sha1(parents->sha1[i], sha1, "", &diffopts);
diffcore_std(&diffopts);
paths = intersect_paths(paths, i, num_parent);
@@ -1196,25 +1196,16 @@ void diff_tree_combined(const unsigned char *sha1,
}
}
-void diff_tree_combined_merge(const unsigned char *sha1,
- int dense, struct rev_info *rev)
+void diff_tree_combined_merge(const struct commit *commit, int dense,
+ struct rev_info *rev)
{
- int num_parent;
- const unsigned char (*parent)[20];
- struct commit *commit = lookup_commit(sha1);
- struct commit_list *parents;
-
- /* count parents */
- for (parents = commit->parents, num_parent = 0;
- parents;
- parents = parents->next, num_parent++)
- ; /* nothing */
-
- parent = xmalloc(num_parent * sizeof(*parent));
- for (parents = commit->parents, num_parent = 0;
- parents;
- parents = parents->next, num_parent++)
- hashcpy((unsigned char *)(parent + num_parent),
- parents->item->object.sha1);
- diff_tree_combined(sha1, parent, num_parent, dense, rev);
+ struct commit_list *parent = commit->parents;
+ struct sha1_array parents = SHA1_ARRAY_INIT;
+
+ while (parent) {
+ sha1_array_append(&parents, parent->item->object.sha1);
+ parent = parent->next;
+ }
+ diff_tree_combined(commit->object.sha1, &parents, dense, rev);
+ sha1_array_clear(&parents);
}