1 files changed, 28 insertions, 29 deletions

diff --git a/dir.c b/dir.c
index 0c8553b27c..b0671f59c8 100644
--- a/dir.c
+++ b/dir.c
@@ -14,8 +14,7 @@ struct path_simplify {
 	const char *path;
 };
 
-static int read_directory_recursive(struct dir_struct *dir,
-	const char *path, const char *base, int baselen,
+static int read_directory_recursive(struct dir_struct *dir, const char *path, int len,
 	int check_only, const struct path_simplify *simplify);
 static int get_dtype(struct dirent *de, const char *path);
 
@@ -54,23 +53,22 @@ static int common_prefix(const char **pathspec)
 
 int fill_directory(struct dir_struct *dir, const char **pathspec)
 {
-	const char *path, *base;
-	int baselen;
+	const char *path;
+	int len;
 
 	/*
 	 * Calculate common prefix for the pathspec, and
 	 * use that to optimize the directory walk
 	 */
-	baselen = common_prefix(pathspec);
+	len = common_prefix(pathspec);
 	path = "";
-	base = "";
 
-	if (baselen)
-		path = base = xmemdupz(*pathspec, baselen);
+	if (len)
+		path = xmemdupz(*pathspec, len);
 
 	/* Read the directory and prune it */
-	read_directory(dir, path, base, baselen, pathspec);
-	return baselen;
+	read_directory(dir, path, len, pathspec);
+	return len;
 }
 
 /*
@@ -526,7 +524,7 @@ static enum directory_treatment treat_directory(struct dir_struct *dir,
 	/* This is the "show_other_directories" case */
 	if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
 		return show_directory;
-	if (!read_directory_recursive(dir, dirname, dirname, len, 1, simplify))
+	if (!read_directory_recursive(dir, dirname, len, 1, simplify))
 		return ignore_directory;
 	return show_directory;
 }
@@ -595,15 +593,15 @@ static int get_dtype(struct dirent *de, const char *path)
  * Also, we ignore the name ".git" (even if it is not a directory).
  * That likely will not change.
  */
-static int read_directory_recursive(struct dir_struct *dir, const char *path, const char *base, int baselen, int check_only, const struct path_simplify *simplify)
+static int read_directory_recursive(struct dir_struct *dir, const char *base, int baselen, int check_only, const struct path_simplify *simplify)
 {
-	DIR *fdir = opendir(*path ? path : ".");
+	DIR *fdir = opendir(*base ? base : ".");
 	int contents = 0;
 
 	if (fdir) {
 		struct dirent *de;
-		char fullname[PATH_MAX + 1];
-		memcpy(fullname, base, baselen);
+		char path[PATH_MAX + 1];
+		memcpy(path, base, baselen);
 
 		while ((de = readdir(fdir)) != NULL) {
 			int len, dtype;
@@ -614,17 +612,18 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
 				continue;
 			len = strlen(de->d_name);
 			/* Ignore overly long pathnames! */
-			if (len + baselen + 8 > sizeof(fullname))
+			if (len + baselen + 8 > sizeof(path))
 				continue;
-			memcpy(fullname + baselen, de->d_name, len+1);
-			if (simplify_away(fullname, baselen + len, simplify))
+			memcpy(path + baselen, de->d_name, len+1);
+			len = baselen + len;
+			if (simplify_away(path, len, simplify))
 				continue;
 
 			dtype = DTYPE(de);
-			exclude = excluded(dir, fullname, &dtype);
+			exclude = excluded(dir, path, &dtype);
 			if (exclude && (dir->flags & DIR_COLLECT_IGNORED)
-			    && in_pathspec(fullname, baselen + len, simplify))
-				dir_add_ignored(dir, fullname, baselen + len);
+			    && in_pathspec(path, len, simplify))
+				dir_add_ignored(dir, path,len);
 
 			/*
 			 * Excluded? If we don't explicitly want to show
@@ -634,7 +633,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
 				continue;
 
 			if (dtype == DT_UNKNOWN)
-				dtype = get_dtype(de, fullname);
+				dtype = get_dtype(de, path);
 
 			/*
 			 * Do we want to see just the ignored files?
@@ -651,9 +650,9 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
 			default:
 				continue;
 			case DT_DIR:
-				memcpy(fullname + baselen + len, "/", 2);
+				memcpy(path + len, "/", 2);
 				len++;
-				switch (treat_directory(dir, fullname, baselen + len, simplify)) {
+				switch (treat_directory(dir, path, len, simplify)) {
 				case show_directory:
 					if (exclude != !!(dir->flags
 							& DIR_SHOW_IGNORED))
@@ -661,7 +660,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
 					break;
 				case recurse_into_directory:
 					contents += read_directory_recursive(dir,
-						fullname, fullname, baselen + len, 0, simplify);
+						path, len, 0, simplify);
 					continue;
 				case ignore_directory:
 					continue;
@@ -675,7 +674,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
 			if (check_only)
 				goto exit_early;
 			else
-				dir_add_name(dir, fullname, baselen + len);
+				dir_add_name(dir, path, len);
 		}
 exit_early:
 		closedir(fdir);
@@ -738,15 +737,15 @@ static void free_simplify(struct path_simplify *simplify)
 	free(simplify);
 }
 
-int read_directory(struct dir_struct *dir, const char *path, const char *base, int baselen, const char **pathspec)
+int read_directory(struct dir_struct *dir, const char *path, int len, const char **pathspec)
 {
 	struct path_simplify *simplify;
 
-	if (has_symlink_leading_path(path, strlen(path)))
+	if (has_symlink_leading_path(path, len))
 		return dir->nr;
 
 	simplify = create_simplify(pathspec);
-	read_directory_recursive(dir, path, base, baselen, 0, simplify);
+	read_directory_recursive(dir, path, len, 0, simplify);
 	free_simplify(simplify);
 	qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
 	qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name);