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-rw-r--r--builtin/read-tree.c3
-rw-r--r--diff-lib.c3
-rw-r--r--unpack-trees.c21
-rw-r--r--unpack-trees.h14
4 files changed, 26 insertions, 15 deletions
diff --git a/builtin/read-tree.c b/builtin/read-tree.c
index b847486cb..0f5d7fe23 100644
--- a/builtin/read-tree.c
+++ b/builtin/read-tree.c
@@ -80,7 +80,8 @@ static void debug_stage(const char *label, const struct cache_entry *ce,
sha1_to_hex(ce->sha1));
}
-static int debug_merge(struct cache_entry **stages, struct unpack_trees_options *o)
+static int debug_merge(const struct cache_entry * const *stages,
+ struct unpack_trees_options *o)
{
int i;
diff --git a/diff-lib.c b/diff-lib.c
index 83d0cb8f8..b6f4b2163 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -424,7 +424,8 @@ static void do_oneway_diff(struct unpack_trees_options *o,
* the fairly complex unpack_trees() semantic requirements, including
* the skipping, the path matching, the type conflict cases etc.
*/
-static int oneway_diff(struct cache_entry **src, struct unpack_trees_options *o)
+static int oneway_diff(const struct cache_entry * const *src,
+ struct unpack_trees_options *o)
{
const struct cache_entry *idx = src[0];
const struct cache_entry *tree = src[1];
diff --git a/unpack-trees.c b/unpack-trees.c
index c5a40dfbe..2dbc05d7f 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -300,7 +300,8 @@ static int apply_sparse_checkout(struct cache_entry *ce, struct unpack_trees_opt
return 0;
}
-static inline int call_unpack_fn(struct cache_entry **src, struct unpack_trees_options *o)
+static inline int call_unpack_fn(const struct cache_entry * const *src,
+ struct unpack_trees_options *o)
{
int ret = o->fn(src, o);
if (ret > 0)
@@ -397,7 +398,7 @@ static void add_same_unmerged(struct cache_entry *ce,
static int unpack_index_entry(struct cache_entry *ce,
struct unpack_trees_options *o)
{
- struct cache_entry *src[MAX_UNPACK_TREES + 1] = { NULL, };
+ const struct cache_entry *src[MAX_UNPACK_TREES + 1] = { NULL, };
int ret;
src[0] = ce;
@@ -600,7 +601,8 @@ static int unpack_nondirectories(int n, unsigned long mask,
}
if (o->merge)
- return call_unpack_fn(src, o);
+ return call_unpack_fn((const struct cache_entry * const *)src,
+ o);
for (i = 0; i < n; i++)
if (src[i] && src[i] != o->df_conflict_entry)
@@ -1574,7 +1576,8 @@ static void show_stage_entry(FILE *o,
}
#endif
-int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o)
+int threeway_merge(const struct cache_entry * const *stages,
+ struct unpack_trees_options *o)
{
const struct cache_entry *index;
const struct cache_entry *head;
@@ -1746,7 +1749,8 @@ int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o)
* "carry forward" rule, please see <Documentation/git-read-tree.txt>.
*
*/
-int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o)
+int twoway_merge(const struct cache_entry * const *src,
+ struct unpack_trees_options *o)
{
const struct cache_entry *current = src[0];
const struct cache_entry *oldtree = src[1];
@@ -1812,8 +1816,8 @@ int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o)
* Keep the index entries at stage0, collapse stage1 but make sure
* stage0 does not have anything there.
*/
-int bind_merge(struct cache_entry **src,
- struct unpack_trees_options *o)
+int bind_merge(const struct cache_entry * const *src,
+ struct unpack_trees_options *o)
{
const struct cache_entry *old = src[0];
const struct cache_entry *a = src[1];
@@ -1836,7 +1840,8 @@ int bind_merge(struct cache_entry **src,
* The rule is:
* - take the stat information from stage0, take the data from stage1
*/
-int oneway_merge(struct cache_entry **src, struct unpack_trees_options *o)
+int oneway_merge(const struct cache_entry * const *src,
+ struct unpack_trees_options *o)
{
const struct cache_entry *old = src[0];
const struct cache_entry *a = src[1];
diff --git a/unpack-trees.h b/unpack-trees.h
index 5e432f576..36a73a6d0 100644
--- a/unpack-trees.h
+++ b/unpack-trees.h
@@ -8,7 +8,7 @@
struct unpack_trees_options;
struct exclude_list;
-typedef int (*merge_fn_t)(struct cache_entry **src,
+typedef int (*merge_fn_t)(const struct cache_entry * const *src,
struct unpack_trees_options *options);
enum unpack_trees_error_types {
@@ -77,9 +77,13 @@ struct unpack_trees_options {
extern int unpack_trees(unsigned n, struct tree_desc *t,
struct unpack_trees_options *options);
-int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o);
-int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o);
-int bind_merge(struct cache_entry **src, struct unpack_trees_options *o);
-int oneway_merge(struct cache_entry **src, struct unpack_trees_options *o);
+int threeway_merge(const struct cache_entry * const *stages,
+ struct unpack_trees_options *o);
+int twoway_merge(const struct cache_entry * const *src,
+ struct unpack_trees_options *o);
+int bind_merge(const struct cache_entry * const *src,
+ struct unpack_trees_options *o);
+int oneway_merge(const struct cache_entry * const *src,
+ struct unpack_trees_options *o);
#endif