dir.hon commit compat: Add simplified merge sort implementation from glibc (43fe901)
   1#ifndef DIR_H
   2#define DIR_H
   3
   4struct dir_entry {
   5        unsigned int len;
   6        char name[FLEX_ARRAY]; /* more */
   7};
   8
   9#define EXC_FLAG_NODIR 1
  10#define EXC_FLAG_NOWILDCARD 2
  11#define EXC_FLAG_ENDSWITH 4
  12
  13struct exclude_list {
  14        int nr;
  15        int alloc;
  16        struct exclude {
  17                const char *pattern;
  18                int patternlen;
  19                const char *base;
  20                int baselen;
  21                int to_exclude;
  22                int flags;
  23        } **excludes;
  24};
  25
  26struct exclude_stack {
  27        struct exclude_stack *prev;
  28        char *filebuf;
  29        int baselen;
  30        int exclude_ix;
  31};
  32
  33struct dir_struct {
  34        int nr, alloc;
  35        int ignored_nr, ignored_alloc;
  36        unsigned int show_ignored:1,
  37                     show_other_directories:1,
  38                     hide_empty_directories:1,
  39                     no_gitlinks:1,
  40                     collect_ignored:1;
  41        struct dir_entry **entries;
  42        struct dir_entry **ignored;
  43
  44        /* Exclude info */
  45        const char *exclude_per_dir;
  46        struct exclude_list exclude_list[3];
  47        /*
  48         * We maintain three exclude pattern lists:
  49         * EXC_CMDL lists patterns explicitly given on the command line.
  50         * EXC_DIRS lists patterns obtained from per-directory ignore files.
  51         * EXC_FILE lists patterns from fallback ignore files.
  52         */
  53#define EXC_CMDL 0
  54#define EXC_DIRS 1
  55#define EXC_FILE 2
  56
  57        struct exclude_stack *exclude_stack;
  58        char basebuf[PATH_MAX];
  59};
  60
  61extern int common_prefix(const char **pathspec);
  62
  63#define MATCHED_RECURSIVELY 1
  64#define MATCHED_FNMATCH 2
  65#define MATCHED_EXACTLY 3
  66extern int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen);
  67
  68extern int read_directory(struct dir_struct *, const char *path, const char *base, int baselen, const char **pathspec);
  69
  70extern int excluded(struct dir_struct *, const char *);
  71extern void add_excludes_from_file(struct dir_struct *, const char *fname);
  72extern void add_exclude(const char *string, const char *base,
  73                        int baselen, struct exclude_list *which);
  74extern int file_exists(const char *);
  75extern struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathname, int len);
  76
  77extern char *get_relative_cwd(char *buffer, int size, const char *dir);
  78extern int is_inside_dir(const char *dir);
  79
  80extern void setup_standard_excludes(struct dir_struct *dir);
  81extern int remove_dir_recursively(struct strbuf *path, int only_empty);
  82
  83#endif