To libify the apply functionality the 'fn_table' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.
As fn_table is cleared at the end of apply_patch(), it is not
necessary to clear it in clear_apply_state().
Reviewed-by: Stefan Beller <sbeller@xxxxxxxxxx>
Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
---
builtin/apply.c | 47 +++++++++++++++++++++++++----------------------
1 file changed, 25 insertions(+), 22 deletions(-)
diff --git a/builtin/apply.c b/builtin/apply.c
index dd56a8e..47622be 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -84,6 +84,12 @@ struct apply_state {
int max_change;
int max_len;
+ /*
+ * Records filenames that have been touched, in order to handle
+ * the case where more than one patches touch the same file.
+ */
+ struct string_list fn_table;
+
/* These control whitespace errors */
enum ws_error_action ws_error_action;
enum ws_ignore ws_ignore_action;
@@ -271,13 +277,6 @@ struct image {
struct line *line;
};
-/*
- * Records filenames that have been touched, in order to handle
- * the case where more than one patches touch the same file.
- */
-
-static struct string_list fn_table;
-
static uint32_t hash_line(const char *cp, size_t len)
{
size_t i;
@@ -3207,14 +3206,14 @@ static int read_file_or_gitlink(const struct cache_entry *ce, struct strbuf *buf
return read_blob_object(buf, ce->sha1, ce->ce_mode);
}
-static struct patch *in_fn_table(const char *name)
+static struct patch *in_fn_table(struct apply_state *state, const char *name)
{
struct string_list_item *item;
if (name == NULL)
return NULL;
- item = string_list_lookup(&fn_table, name);
+ item = string_list_lookup(&state->fn_table, name);
if (item != NULL)
return (struct patch *)item->util;
@@ -3246,7 +3245,7 @@ static int was_deleted(struct patch *patch)
return patch == PATH_WAS_DELETED;
}
-static void add_to_fn_table(struct patch *patch)
+static void add_to_fn_table(struct apply_state *state, struct patch *patch)
{
struct string_list_item *item;
@@ -3256,7 +3255,7 @@ static void add_to_fn_table(struct patch *patch)
* file creations and copies
*/
if (patch->new_name != NULL) {
- item = string_list_insert(&fn_table, patch->new_name);
+ item = string_list_insert(&state->fn_table, patch->new_name);
item->util = patch;
}
@@ -3265,12 +3264,12 @@ static void add_to_fn_table(struct patch *patch)
* later chunks shouldn't patch old names
*/
if ((patch->new_name == NULL) || (patch->is_rename)) {
- item = string_list_insert(&fn_table, patch->old_name);
+ item = string_list_insert(&state->fn_table, patch->old_name);
item->util = PATH_WAS_DELETED;
}
}
-static void prepare_fn_table(struct patch *patch)
+static void prepare_fn_table(struct apply_state *state, struct patch *patch)
{
/*
* store information about incoming file deletion
@@ -3278,7 +3277,7 @@ static void prepare_fn_table(struct patch *patch)
while (patch) {
if ((patch->new_name == NULL) || (patch->is_rename)) {
struct string_list_item *item;
- item = string_list_insert(&fn_table, patch->old_name);
+ item = string_list_insert(&state->fn_table, patch->old_name);
item->util = PATH_TO_BE_DELETED;
}
patch = patch->next;
@@ -3299,7 +3298,9 @@ static int checkout_target(struct index_state *istate,
return 0;
}
-static struct patch *previous_patch(struct patch *patch, int *gone)
+static struct patch *previous_patch(struct apply_state *state,
+ struct patch *patch,
+ int *gone)
{
struct patch *previous;
@@ -3307,7 +3308,7 @@ static struct patch *previous_patch(struct patch *patch, int *gone)
if (patch->is_copy || patch->is_rename)
return NULL; /* "git" patches do not depend on the order */
- previous = in_fn_table(patch->old_name);
+ previous = in_fn_table(state, patch->old_name);
if (!previous)
return NULL;
@@ -3376,7 +3377,7 @@ static int load_preimage(struct apply_state *state,
struct patch *previous;
int status;
- previous = previous_patch(patch, &status);
+ previous = previous_patch(state, patch, &status);
if (status)
return error(_("path %s has been renamed/deleted"),
patch->old_name);
@@ -3572,7 +3573,7 @@ static int apply_data(struct apply_state *state, struct patch *patch,
}
patch->result = image.buf;
patch->resultsize = image.len;
- add_to_fn_table(patch);
+ add_to_fn_table(state, patch);
free(image.line_allocated);
if (0 < patch->is_delete && patch->resultsize)
@@ -3606,7 +3607,7 @@ static int check_preimage(struct apply_state *state,
return 0;
assert(patch->is_new <= 0);
- previous = previous_patch(patch, &status);
+ previous = previous_patch(state, patch, &status);
if (status)
return error(_("path %s has been renamed/deleted"), old_name);
@@ -3852,7 +3853,7 @@ static int check_patch(struct apply_state *state, struct patch *patch)
* B and rename from A to B is handled the same way by asking
* was_deleted().
*/
- if ((tpatch = in_fn_table(new_name)) &&
+ if ((tpatch = in_fn_table(state, new_name)) &&
(was_deleted(tpatch) || to_be_deleted(tpatch)))
ok_if_exists = 1;
else
@@ -3930,7 +3931,7 @@ static int check_patch_list(struct apply_state *state, struct patch *patch)
int err = 0;
prepare_symlink_changes(patch);
- prepare_fn_table(patch);
+ prepare_fn_table(state, patch);
while (patch) {
if (state->apply_verbosely)
say_patch_name(stderr,
@@ -4574,7 +4575,7 @@ static int apply_patch(struct apply_state *state,
free_patch_list(list);
strbuf_release(&buf);
- string_list_clear(&fn_table, 0);
+ string_list_clear(&state->fn_table, 0);
return 0;
}
@@ -4668,6 +4669,8 @@ static void clear_apply_state(struct apply_state *state)
{
string_list_clear(&state->limit_by_name, 0);
strbuf_release(&state->root);
+
+ /* &state->fn_table is cleared at the end of apply_patch() */
}
int cmd_apply(int argc, const char **argv, const char *prefix)
--
2.8.3.443.gaeee61e
--
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