path: use fstatat instead of lstat

Author: tiennou

src/path.c

@@ -15,7 +15,10 @@
 #include "win32/w32_util.h"
 #include "win32/version.h"
 #else
+#include <fcntl.h>
 #include <dirent.h>
+#include <sys/stat.h>
+#include <sys/types.h>
 #endif
 #include <stdio.h>
 #include <ctype.h>
@@ -1398,6 +1401,8 @@ int git_path_diriter_next(git_path_diriter *diriter)
 	if (git_buf_oom(&diriter->path))
 		return -1;
 
+	diriter->d_type = de->d_type;
+
 	return error;
 }
 
@@ -1429,9 +1434,14 @@ int git_path_diriter_fullpath(
 
 int git_path_diriter_stat(struct stat *out, git_path_diriter *diriter)
 {
+	const char *fname;
+
 	assert(out && diriter);
 
-	return git_path_lstat(diriter->path.ptr, out);
+	fname = diriter->path.ptr + diriter->parent_len;
+	if (*fname == '/') ++fname;
+
+	return fstatat(dirfd(diriter->dir), fname, out, AT_SYMLINK_NOFOLLOW);
 }
 
 void git_path_diriter_free(git_path_diriter *diriter)

src/path.h

@@ -482,6 +482,7 @@ struct git_path_diriter
 {
 	git_buf path;
 	size_t parent_len;
+	unsigned char d_type;
 
 	unsigned int flags;