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tag: v1.8.1-rc3
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#ifndef DIR_H
#define DIR_H

#include "strbuf.h"

struct dir_entry {
unsigned int len;
char name[FLEX_ARRAY]; /* more */
};

#define EXC_FLAG_NODIR 1
#define EXC_FLAG_ENDSWITH 4
#define EXC_FLAG_MUSTBEDIR 8
#define EXC_FLAG_NEGATIVE 16

struct exclude_list {
int nr;
int alloc;
struct exclude {
const char *pattern;
int patternlen;
int nowildcardlen;
const char *base;
int baselen;
int flags;
} **excludes;
};

struct exclude_stack {
struct exclude_stack *prev;
char *filebuf;
int baselen;
int exclude_ix;
};

struct dir_struct {
int nr, alloc;
int ignored_nr, ignored_alloc;
enum {
DIR_SHOW_IGNORED = 1<<0,
DIR_SHOW_OTHER_DIRECTORIES = 1<<1,
DIR_HIDE_EMPTY_DIRECTORIES = 1<<2,
DIR_NO_GITLINKS = 1<<3,
DIR_COLLECT_IGNORED = 1<<4
} flags;
struct dir_entry **entries;
struct dir_entry **ignored;

/* Exclude info */
const char *exclude_per_dir;
struct exclude_list exclude_list[3];
/*
* We maintain three exclude pattern lists:
* EXC_CMDL lists patterns explicitly given on the command line.
* EXC_DIRS lists patterns obtained from per-directory ignore files.
* EXC_FILE lists patterns from fallback ignore files.
*/
#define EXC_CMDL 0
#define EXC_DIRS 1
#define EXC_FILE 2

struct exclude_stack *exclude_stack;
char basebuf[PATH_MAX];
};

#define MATCHED_RECURSIVELY 1
#define MATCHED_FNMATCH 2
#define MATCHED_EXACTLY 3
extern char *common_prefix(const char **pathspec);
extern int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen);
extern int match_pathspec_depth(const struct pathspec *pathspec,
const char *name, int namelen,
int prefix, char *seen);
extern int within_depth(const char *name, int namelen, int depth, int max_depth);

extern int fill_directory(struct dir_struct *dir, const char **pathspec);
extern int read_directory(struct dir_struct *, const char *path, int len, const char **pathspec);

extern int excluded_from_list(const char *pathname, int pathlen, const char *basename,
int *dtype, struct exclude_list *el);
struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len);

/*
* these implement the matching logic for dir.c:excluded_from_list and
* attr.c:path_matches()
*/
extern int match_basename(const char *, int,
const char *, int, int, int);
extern int match_pathname(const char *, int,
const char *, int,
const char *, int, int, int);

/*
* The excluded() API is meant for callers that check each level of leading
* directory hierarchies with excluded() to avoid recursing into excluded
* directories. Callers that do not do so should use this API instead.
*/
struct path_exclude_check {
struct dir_struct *dir;
struct strbuf path;
};
extern void path_exclude_check_init(struct path_exclude_check *, struct dir_struct *);
extern void path_exclude_check_clear(struct path_exclude_check *);
extern int path_excluded(struct path_exclude_check *, const char *, int namelen, int *dtype);


extern int add_excludes_from_file_to_list(const char *fname, const char *base, int baselen,
char **buf_p, struct exclude_list *which, int check_index);
extern void add_excludes_from_file(struct dir_struct *, const char *fname);
extern void parse_exclude_pattern(const char **string, int *patternlen, int *flags, int *nowildcardlen);
extern void add_exclude(const char *string, const char *base,
int baselen, struct exclude_list *which);
extern void free_excludes(struct exclude_list *el);
extern int file_exists(const char *);

extern int is_inside_dir(const char *dir);
extern int dir_inside_of(const char *subdir, const char *dir);

static inline int is_dot_or_dotdot(const char *name)
{
return (name[0] == '.' &&
(name[1] == '\0' ||
(name[1] == '.' && name[2] == '\0')));
}

extern int is_empty_dir(const char *dir);

extern void setup_standard_excludes(struct dir_struct *dir);

#define REMOVE_DIR_EMPTY_ONLY 01
#define REMOVE_DIR_KEEP_NESTED_GIT 02
#define REMOVE_DIR_KEEP_TOPLEVEL 04
extern int remove_dir_recursively(struct strbuf *path, int flag);

/* tries to remove the path with empty directories along it, ignores ENOENT */
extern int remove_path(const char *path);

extern int strcmp_icase(const char *a, const char *b);
extern int strncmp_icase(const char *a, const char *b, size_t count);
extern int fnmatch_icase(const char *pattern, const char *string, int flags);

#endif
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