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authorRené Scharfe <rene.scharfe@lsrfire.ath.cx>2013-06-02 17:46:55 +0200
committerJunio C Hamano <gitster@pobox.com>2013-06-02 15:31:14 -0700
commiteb9ae4b505bfacc4974a9ef4f4e6996c78d04a4c (patch)
tree75ca369759f81d4d4793362921f5c30eba9ea4e8 /unpack-trees.c
parentf2fa35420511cc49e85413a2932a1a2bac88cc1b (diff)
downloadgit-eb9ae4b505bfacc4974a9ef4f4e6996c78d04a4c.tar.gz
diff-lib, read-tree, unpack-trees: mark cache_entry pointers const
Add const to struct cache_entry pointers throughout the tree which are only used for reading. This allows callers to pass in const pointers. Signed-off-by: René Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'unpack-trees.c')
-rw-r--r--unpack-trees.c91
1 files changed, 50 insertions, 41 deletions
diff --git a/unpack-trees.c b/unpack-trees.c
index 2fecef8022..c5a40dfbe3 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -241,8 +241,11 @@ static int check_updates(struct unpack_trees_options *o)
return errs != 0;
}
-static int verify_uptodate_sparse(struct cache_entry *ce, struct unpack_trees_options *o);
-static int verify_absent_sparse(struct cache_entry *ce, enum unpack_trees_error_types, struct unpack_trees_options *o);
+static int verify_uptodate_sparse(const struct cache_entry *ce,
+ struct unpack_trees_options *o);
+static int verify_absent_sparse(const struct cache_entry *ce,
+ enum unpack_trees_error_types,
+ struct unpack_trees_options *o);
static int apply_sparse_checkout(struct cache_entry *ce, struct unpack_trees_options *o)
{
@@ -326,7 +329,7 @@ static void mark_all_ce_unused(struct index_state *index)
index->cache[i]->ce_flags &= ~(CE_UNPACKED | CE_ADDED | CE_NEW_SKIP_WORKTREE);
}
-static int locate_in_src_index(struct cache_entry *ce,
+static int locate_in_src_index(const struct cache_entry *ce,
struct unpack_trees_options *o)
{
struct index_state *index = o->src_index;
@@ -1001,7 +1004,9 @@ static void mark_new_skip_worktree(struct exclude_list *el,
select_flag, skip_wt_flag, el);
}
-static int verify_absent(struct cache_entry *, enum unpack_trees_error_types, struct unpack_trees_options *);
+static int verify_absent(const struct cache_entry *,
+ enum unpack_trees_error_types,
+ struct unpack_trees_options *);
/*
* N-way merge "len" trees. Returns 0 on success, -1 on failure to manipulate the
* resulting index, -2 on failure to reflect the changes to the work tree.
@@ -1171,12 +1176,13 @@ return_failed:
/* Here come the merge functions */
-static int reject_merge(struct cache_entry *ce, struct unpack_trees_options *o)
+static int reject_merge(const struct cache_entry *ce,
+ struct unpack_trees_options *o)
{
return add_rejected_path(o, ERROR_WOULD_OVERWRITE, ce->name);
}
-static int same(struct cache_entry *a, struct cache_entry *b)
+static int same(const struct cache_entry *a, const struct cache_entry *b)
{
if (!!a != !!b)
return 0;
@@ -1193,9 +1199,9 @@ static int same(struct cache_entry *a, struct cache_entry *b)
* When a CE gets turned into an unmerged entry, we
* want it to be up-to-date
*/
-static int verify_uptodate_1(struct cache_entry *ce,
- struct unpack_trees_options *o,
- enum unpack_trees_error_types error_type)
+static int verify_uptodate_1(const struct cache_entry *ce,
+ struct unpack_trees_options *o,
+ enum unpack_trees_error_types error_type)
{
struct stat st;
@@ -1234,7 +1240,7 @@ static int verify_uptodate_1(struct cache_entry *ce,
add_rejected_path(o, error_type, ce->name);
}
-static int verify_uptodate(struct cache_entry *ce,
+static int verify_uptodate(const struct cache_entry *ce,
struct unpack_trees_options *o)
{
if (!o->skip_sparse_checkout && (ce->ce_flags & CE_NEW_SKIP_WORKTREE))
@@ -1242,13 +1248,14 @@ static int verify_uptodate(struct cache_entry *ce,
return verify_uptodate_1(ce, o, ERROR_NOT_UPTODATE_FILE);
}
-static int verify_uptodate_sparse(struct cache_entry *ce,
+static int verify_uptodate_sparse(const struct cache_entry *ce,
struct unpack_trees_options *o)
{
return verify_uptodate_1(ce, o, ERROR_SPARSE_NOT_UPTODATE_FILE);
}
-static void invalidate_ce_path(struct cache_entry *ce, struct unpack_trees_options *o)
+static void invalidate_ce_path(const struct cache_entry *ce,
+ struct unpack_trees_options *o)
{
if (ce)
cache_tree_invalidate_path(o->src_index->cache_tree, ce->name);
@@ -1261,16 +1268,16 @@ static void invalidate_ce_path(struct cache_entry *ce, struct unpack_trees_optio
* Currently, git does not checkout subprojects during a superproject
* checkout, so it is not going to overwrite anything.
*/
-static int verify_clean_submodule(struct cache_entry *ce,
- enum unpack_trees_error_types error_type,
- struct unpack_trees_options *o)
+static int verify_clean_submodule(const struct cache_entry *ce,
+ enum unpack_trees_error_types error_type,
+ struct unpack_trees_options *o)
{
return 0;
}
-static int verify_clean_subdirectory(struct cache_entry *ce,
- enum unpack_trees_error_types error_type,
- struct unpack_trees_options *o)
+static int verify_clean_subdirectory(const struct cache_entry *ce,
+ enum unpack_trees_error_types error_type,
+ struct unpack_trees_options *o)
{
/*
* we are about to extract "ce->name"; we would not want to lose
@@ -1356,7 +1363,7 @@ static int icase_exists(struct unpack_trees_options *o, const char *name, int le
}
static int check_ok_to_remove(const char *name, int len, int dtype,
- struct cache_entry *ce, struct stat *st,
+ const struct cache_entry *ce, struct stat *st,
enum unpack_trees_error_types error_type,
struct unpack_trees_options *o)
{
@@ -1411,9 +1418,9 @@ static int check_ok_to_remove(const char *name, int len, int dtype,
* We do not want to remove or overwrite a working tree file that
* is not tracked, unless it is ignored.
*/
-static int verify_absent_1(struct cache_entry *ce,
- enum unpack_trees_error_types error_type,
- struct unpack_trees_options *o)
+static int verify_absent_1(const struct cache_entry *ce,
+ enum unpack_trees_error_types error_type,
+ struct unpack_trees_options *o)
{
int len;
struct stat st;
@@ -1446,7 +1453,7 @@ static int verify_absent_1(struct cache_entry *ce,
}
}
-static int verify_absent(struct cache_entry *ce,
+static int verify_absent(const struct cache_entry *ce,
enum unpack_trees_error_types error_type,
struct unpack_trees_options *o)
{
@@ -1455,9 +1462,9 @@ static int verify_absent(struct cache_entry *ce,
return verify_absent_1(ce, error_type, o);
}
-static int verify_absent_sparse(struct cache_entry *ce,
- enum unpack_trees_error_types error_type,
- struct unpack_trees_options *o)
+static int verify_absent_sparse(const struct cache_entry *ce,
+ enum unpack_trees_error_types error_type,
+ struct unpack_trees_options *o)
{
enum unpack_trees_error_types orphaned_error = error_type;
if (orphaned_error == ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN)
@@ -1467,7 +1474,7 @@ static int verify_absent_sparse(struct cache_entry *ce,
}
static int merged_entry(const struct cache_entry *ce,
- struct cache_entry *old,
+ const struct cache_entry *old,
struct unpack_trees_options *o)
{
int update = CE_UPDATE;
@@ -1527,8 +1534,9 @@ static int merged_entry(const struct cache_entry *ce,
return 1;
}
-static int deleted_entry(struct cache_entry *ce, struct cache_entry *old,
- struct unpack_trees_options *o)
+static int deleted_entry(const struct cache_entry *ce,
+ const struct cache_entry *old,
+ struct unpack_trees_options *o)
{
/* Did it exist in the index? */
if (!old) {
@@ -1543,7 +1551,8 @@ static int deleted_entry(struct cache_entry *ce, struct cache_entry *old,
return 1;
}
-static int keep_entry(struct cache_entry *ce, struct unpack_trees_options *o)
+static int keep_entry(const struct cache_entry *ce,
+ struct unpack_trees_options *o)
{
add_entry(o, ce, 0, 0);
return 1;
@@ -1567,9 +1576,9 @@ static void show_stage_entry(FILE *o,
int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o)
{
- struct cache_entry *index;
- struct cache_entry *head;
- struct cache_entry *remote = stages[o->head_idx + 1];
+ const struct cache_entry *index;
+ const struct cache_entry *head;
+ const struct cache_entry *remote = stages[o->head_idx + 1];
int count;
int head_match = 0;
int remote_match = 0;
@@ -1654,7 +1663,7 @@ int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o)
if (o->aggressive) {
int head_deleted = !head;
int remote_deleted = !remote;
- struct cache_entry *ce = NULL;
+ const struct cache_entry *ce = NULL;
if (index)
ce = index;
@@ -1739,9 +1748,9 @@ int threeway_merge(struct cache_entry **stages, struct unpack_trees_options *o)
*/
int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o)
{
- struct cache_entry *current = src[0];
- struct cache_entry *oldtree = src[1];
- struct cache_entry *newtree = src[2];
+ const struct cache_entry *current = src[0];
+ const struct cache_entry *oldtree = src[1];
+ const struct cache_entry *newtree = src[2];
if (o->merge_size != 2)
return error("Cannot do a twoway merge of %d trees",
@@ -1806,8 +1815,8 @@ int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o)
int bind_merge(struct cache_entry **src,
struct unpack_trees_options *o)
{
- struct cache_entry *old = src[0];
- struct cache_entry *a = src[1];
+ const struct cache_entry *old = src[0];
+ const struct cache_entry *a = src[1];
if (o->merge_size != 1)
return error("Cannot do a bind merge of %d trees",
@@ -1829,8 +1838,8 @@ int bind_merge(struct cache_entry **src,
*/
int oneway_merge(struct cache_entry **src, struct unpack_trees_options *o)
{
- struct cache_entry *old = src[0];
- struct cache_entry *a = src[1];
+ const struct cache_entry *old = src[0];
+ const struct cache_entry *a = src[1];
if (o->merge_size != 1)
return error("Cannot do a oneway merge of %d trees",