mirror of
https://github.com/git/git.git
synced 2024-10-30 05:47:53 +01:00
5c377d3d59
All callers of fill_tree_descriptor() have been converted to object_id already, so convert that function as well. As a nice side-effect we get rid of NULL checks in tree-diff.c, as fill_tree_descriptor() already does them for us. Helped-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Rene Scharfe <l.s.r@web.de> Reviewed-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
#ifndef TREE_WALK_H
|
|
#define TREE_WALK_H
|
|
|
|
struct name_entry {
|
|
const struct object_id *oid;
|
|
const char *path;
|
|
unsigned int mode;
|
|
};
|
|
|
|
struct tree_desc {
|
|
const void *buffer;
|
|
struct name_entry entry;
|
|
unsigned int size;
|
|
};
|
|
|
|
static inline const struct object_id *tree_entry_extract(struct tree_desc *desc, const char **pathp, unsigned int *modep)
|
|
{
|
|
*pathp = desc->entry.path;
|
|
*modep = desc->entry.mode;
|
|
return desc->entry.oid;
|
|
}
|
|
|
|
static inline int tree_entry_len(const struct name_entry *ne)
|
|
{
|
|
return (const char *)ne->oid - ne->path - 1;
|
|
}
|
|
|
|
/*
|
|
* The _gently versions of these functions warn and return false on a
|
|
* corrupt tree entry rather than dying,
|
|
*/
|
|
|
|
void update_tree_entry(struct tree_desc *);
|
|
int update_tree_entry_gently(struct tree_desc *);
|
|
void init_tree_desc(struct tree_desc *desc, const void *buf, unsigned long size);
|
|
int init_tree_desc_gently(struct tree_desc *desc, const void *buf, unsigned long size);
|
|
|
|
/*
|
|
* Helper function that does both tree_entry_extract() and update_tree_entry()
|
|
* and returns true for success
|
|
*/
|
|
int tree_entry(struct tree_desc *, struct name_entry *);
|
|
int tree_entry_gently(struct tree_desc *, struct name_entry *);
|
|
|
|
void *fill_tree_descriptor(struct tree_desc *desc, const struct object_id *oid);
|
|
|
|
struct traverse_info;
|
|
typedef int (*traverse_callback_t)(int n, unsigned long mask, unsigned long dirmask, struct name_entry *entry, struct traverse_info *);
|
|
int traverse_trees(int n, struct tree_desc *t, struct traverse_info *info);
|
|
|
|
enum follow_symlinks_result {
|
|
FOUND = 0, /* This includes out-of-tree links */
|
|
MISSING_OBJECT = -1, /* The initial symlink is missing */
|
|
DANGLING_SYMLINK = -2, /*
|
|
* The initial symlink is there, but
|
|
* (transitively) points to a missing
|
|
* in-tree file
|
|
*/
|
|
SYMLINK_LOOP = -3,
|
|
NOT_DIR = -4, /*
|
|
* Somewhere along the symlink chain, a path is
|
|
* requested which contains a file as a
|
|
* non-final element.
|
|
*/
|
|
};
|
|
|
|
enum follow_symlinks_result get_tree_entry_follow_symlinks(unsigned char *tree_sha1, const char *name, unsigned char *result, struct strbuf *result_path, unsigned *mode);
|
|
|
|
struct traverse_info {
|
|
const char *traverse_path;
|
|
struct traverse_info *prev;
|
|
struct name_entry name;
|
|
int pathlen;
|
|
struct pathspec *pathspec;
|
|
|
|
unsigned long df_conflicts;
|
|
traverse_callback_t fn;
|
|
void *data;
|
|
int show_all_errors;
|
|
};
|
|
|
|
int get_tree_entry(const unsigned char *, const char *, unsigned char *, unsigned *);
|
|
extern char *make_traverse_path(char *path, const struct traverse_info *info, const struct name_entry *n);
|
|
extern void setup_traverse_info(struct traverse_info *info, const char *base);
|
|
|
|
static inline int traverse_path_len(const struct traverse_info *info, const struct name_entry *n)
|
|
{
|
|
return info->pathlen + tree_entry_len(n);
|
|
}
|
|
|
|
/* in general, positive means "kind of interesting" */
|
|
enum interesting {
|
|
all_entries_not_interesting = -1, /* no, and no subsequent entries will be either */
|
|
entry_not_interesting = 0,
|
|
entry_interesting = 1,
|
|
all_entries_interesting = 2 /* yes, and all subsequent entries will be */
|
|
};
|
|
|
|
extern enum interesting tree_entry_interesting(const struct name_entry *,
|
|
struct strbuf *, int,
|
|
const struct pathspec *ps);
|
|
|
|
#endif
|