dir.c: export excluded_1() and add_excludes_from_file_1()

These functions are used to handle .gitignore. They are now exported
so that sparse checkout can reuse.
Signed-off-by: NNguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

dir.c

@@ -223,7 +223,7 @@ static void *read_skip_worktree_file_from_index(const char *path, size_t *size)
 	return data;
 }
 
-static int add_excludes_from_file_1(const char *fname,
+int add_excludes_from_file_to_list(const char *fname,
 				   const char *base,
 				   int baselen,
 				   char **buf_p,
@@ -274,7 +274,7 @@ static int add_excludes_from_file_1(const char *fname,
 
 void add_excludes_from_file(struct dir_struct *dir, const char *fname)
 {
-	if (add_excludes_from_file_1(fname, "", 0, NULL,
+	if (add_excludes_from_file_to_list(fname, "", 0, NULL,
 					   &dir->exclude_list[EXC_FILE], 0) < 0)
 		die("cannot use %s as an exclude file", fname);
 }
@@ -324,7 +324,7 @@ static void prep_exclude(struct dir_struct *dir, const char *base, int baselen)
 		memcpy(dir->basebuf + current, base + current,
 		       stk->baselen - current);
 		strcpy(dir->basebuf + stk->baselen, dir->exclude_per_dir);
-		add_excludes_from_file_1(dir->basebuf,
+		add_excludes_from_file_to_list(dir->basebuf,
 					       dir->basebuf, stk->baselen,
 					       &stk->filebuf, el, 1);
 		dir->exclude_stack = stk;
@@ -336,7 +336,7 @@ static void prep_exclude(struct dir_struct *dir, const char *base, int baselen)
 /* Scan the list and let the last match determine the fate.
  * Return 1 for exclude, 0 for include and -1 for undecided.
  */
-static int excluded_1(const char *pathname,
+int excluded_from_list(const char *pathname,
 		       int pathlen, const char *basename, int *dtype,
 		       struct exclude_list *el)
 {
@@ -412,7 +412,7 @@ int excluded(struct dir_struct *dir, const char *pathname, int *dtype_p)
 
 	prep_exclude(dir, pathname, basename-pathname);
 	for (st = EXC_CMDL; st <= EXC_FILE; st++) {
-		switch (excluded_1(pathname, pathlen, basename,
+		switch (excluded_from_list(pathname, pathlen, basename,
 					   dtype_p, &dir->exclude_list[st])) {
 		case 0:
 			return 0;

dir.h

@@ -69,7 +69,11 @@ extern int match_pathspec(const char **pathspec, const char *name, int namelen,
 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);
 extern int excluded(struct dir_struct *, const char *, int *);
+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 add_exclude(const char *string, const char *base,
 			int baselen, struct exclude_list *which);