[PATCH/WIP 11/11] dir.c: remove dead code after read_directory() rewrite

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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 dir.c |  121 -----------------------------------------------------------------
 dir.h |    3 --
 2 files changed, 0 insertions(+), 124 deletions(-)

diff --git a/dir.c b/dir.c
index 2946b2d..4094962 100644
--- a/dir.c
+++ b/dir.c
@@ -11,11 +11,6 @@
 #include "tree-walk.h"
 #include "string-list.h"
 
-struct path_simplify {
-	int len;
-	const char *path;
-};
-
 static int read_directory_recursive(struct dir_struct *dir,
 				    struct strbuf *base,
 				    int check_only,
@@ -604,15 +599,6 @@ static struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathna
 	return dir->entries[dir->nr++] = dir_entry_new(pathname, len);
 }
 
-struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len)
-{
-	if (!cache_name_is_other(pathname, len))
-		return NULL;
-
-	ALLOC_GROW(dir->ignored, dir->ignored_nr+1, dir->ignored_alloc);
-	return dir->ignored[dir->ignored_nr++] = dir_entry_new(pathname, len);
-}
-
 /* Read and convert directory to tree object (with invalid SHA-1) */
 static void* dir_to_tree(struct strbuf *path, unsigned long *size)
 {
@@ -845,31 +831,6 @@ static enum directory_treatment treat_directory(struct dir_struct *dir,
 }
 
 /*
- * This is an inexact early pruning of any recursive directory
- * reading - if the path cannot possibly be in the pathspec,
- * return true, and we'll skip it early.
- */
-static int simplify_away(const char *path, int pathlen, const struct path_simplify *simplify)
-{
-	if (simplify) {
-		for (;;) {
-			const char *match = simplify->path;
-			int len = simplify->len;
-
-			if (!match)
-				break;
-			if (len > pathlen)
-				len = pathlen;
-			if (!memcmp(path, match, len))
-				return 0;
-			simplify++;
-		}
-		return 1;
-	}
-	return 0;
-}
-
-/*
  * This function flags pathspecs that are completely excluded, which
  * usually means an input mistake. In other words, if all matched
  * _files_ of a pathspec are excluded, flag the pathspec.
@@ -1087,88 +1048,6 @@ static int cmp_name(const void *p1, const void *p2)
 				  e2->name, e2->len);
 }
 
-/*
- * Return the length of the "simple" part of a path match limiter.
- */
-static int simple_length(const char *match)
-{
-	int len = -1;
-
-	for (;;) {
-		unsigned char c = *match++;
-		len++;
-		if (c == '\0' || is_glob_special(c))
-			return len;
-	}
-}
-
-static struct path_simplify *create_simplify(const char **pathspec)
-{
-	int nr, alloc = 0;
-	struct path_simplify *simplify = NULL;
-
-	if (!pathspec)
-		return NULL;
-
-	for (nr = 0 ; ; nr++) {
-		const char *match;
-		if (nr >= alloc) {
-			alloc = alloc_nr(alloc);
-			simplify = xrealloc(simplify, alloc * sizeof(*simplify));
-		}
-		match = *pathspec++;
-		if (!match)
-			break;
-		simplify[nr].path = match;
-		simplify[nr].len = simple_length(match);
-	}
-	simplify[nr].path = NULL;
-	simplify[nr].len = 0;
-	return simplify;
-}
-
-static void free_simplify(struct path_simplify *simplify)
-{
-	free(simplify);
-}
-
-#if 0
-static int treat_leading_path(struct dir_struct *dir,
-			      const char *path, int len,
-			      const struct path_simplify *simplify)
-{
-	char pathbuf[PATH_MAX];
-	int baselen, blen;
-	const char *cp;
-
-	while (len && path[len - 1] == '/')
-		len--;
-	if (!len)
-		return 1;
-	baselen = 0;
-	while (1) {
-		cp = path + baselen + !!baselen;
-		cp = memchr(cp, '/', path + len - cp);
-		if (!cp)
-			baselen = len;
-		else
-			baselen = cp - path;
-		memcpy(pathbuf, path, baselen);
-		pathbuf[baselen] = '\0';
-		if (!is_directory(pathbuf))
-			return 0;
-		if (simplify_away(pathbuf, baselen, simplify))
-			return 0;
-		blen = baselen;
-		if (treat_one_path(dir, pathbuf, &blen, simplify,
-				   DT_DIR, NULL) == path_ignored)
-			return 0; /* do not recurse into it */
-		if (len <= baselen)
-			return 1; /* finished checking */
-	}
-}
-#endif
-
 int read_directory(struct dir_struct *dir, const char *path, int len,
 		   const char **pathspec)
 {
diff --git a/dir.h b/dir.h
index 362d7b1..7a7d818 100644
--- a/dir.h
+++ b/dir.h
@@ -33,7 +33,6 @@ struct exclude_stack {
 
 struct dir_struct {
 	int nr, alloc;
-	int ignored_nr, ignored_alloc;
 	enum {
 		DIR_SHOW_IGNORED = 1<<0,
 		DIR_SHOW_OTHER_DIRECTORIES = 1<<1,
@@ -42,7 +41,6 @@ struct dir_struct {
 		DIR_COLLECT_IGNORED = 1<<4
 	} flags;
 	struct dir_entry **entries;
-	struct dir_entry **ignored;
 	int *useful;
 
 	/* Include info (a joint of ps1 and ps2) */
@@ -82,7 +80,6 @@ extern int read_directory(struct dir_struct *, const char *path, int len, const
 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 *);
-struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len);
 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);
-- 
1.7.3.1.256.g2539c.dirty

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