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-rw-r--r--diff.h3
-rw-r--r--tree-diff.c12
2 files changed, 9 insertions, 6 deletions
diff --git a/diff.h b/diff.h
index 9a0169c03c..32134d79b5 100644
--- a/diff.h
+++ b/diff.h
@@ -13,6 +13,9 @@ struct tree_desc {
unsigned long size;
};
+extern void update_tree_entry(struct tree_desc *);
+extern const unsigned char *tree_entry_extract(struct tree_desc *, const char **, unsigned int *);
+
struct diff_options;
typedef void (*change_fn_t)(struct diff_options *options,
diff --git a/tree-diff.c b/tree-diff.c
index 382092bce0..d978428910 100644
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -9,7 +9,7 @@ static int nr_paths = 0;
static const char **paths = NULL;
static int *pathlens = NULL;
-static void update_tree_entry(struct tree_desc *desc)
+void update_tree_entry(struct tree_desc *desc)
{
void *buf = desc->buf;
unsigned long size = desc->size;
@@ -21,7 +21,7 @@ static void update_tree_entry(struct tree_desc *desc)
desc->size = size - len;
}
-static const unsigned char *extract(struct tree_desc *desc, const char **pathp, unsigned int *modep)
+const unsigned char *tree_entry_extract(struct tree_desc *desc, const char **pathp, unsigned int *modep)
{
void *tree = desc->buf;
unsigned long size = desc->size;
@@ -56,8 +56,8 @@ static int compare_tree_entry(struct tree_desc *t1, struct tree_desc *t2, const
const unsigned char *sha1, *sha2;
int cmp, pathlen1, pathlen2;
- sha1 = extract(t1, &path1, &mode1);
- sha2 = extract(t2, &path2, &mode2);
+ sha1 = tree_entry_extract(t1, &path1, &mode1);
+ sha2 = tree_entry_extract(t2, &path2, &mode2);
pathlen1 = strlen(path1);
pathlen2 = strlen(path2);
@@ -109,7 +109,7 @@ static int interesting(struct tree_desc *desc, const char *base)
if (!nr_paths)
return 1;
- (void)extract(desc, &path, &mode);
+ (void)tree_entry_extract(desc, &path, &mode);
pathlen = strlen(path);
baselen = strlen(base);
@@ -167,7 +167,7 @@ static int show_entry(struct diff_options *opt, const char *prefix, struct tree_
{
unsigned mode;
const char *path;
- const unsigned char *sha1 = extract(desc, &path, &mode);
+ const unsigned char *sha1 = tree_entry_extract(desc, &path, &mode);
if (opt->recursive && S_ISDIR(mode)) {
char type[20];