From ca66cebf1a42cc16997e7782bb45f6f3c0fcd29f Mon Sep 17 00:00:00 2001
From: Antonio SJ Musumeci <trapexit@spawn.link>
Date: Thu, 13 Nov 2025 21:47:02 -0600
Subject: [PATCH] checkpoint

---
 src/follow_symlinks_enum.hpp |  9 +++++
 src/fs_stat.cpp              | 70 ++++++++++++++++++++++++++++++++++++
 src/func_getattr_base.hpp    | 35 ++++++++++++++++++
 src/func_getattr_ff.cpp      | 42 ++++++++++++++++++++++
 src/func_getattr_ff.hpp      | 23 ++++++++++++
 5 files changed, 179 insertions(+)
 create mode 100644 src/follow_symlinks_enum.hpp
 create mode 100644 src/fs_stat.cpp
 create mode 100644 src/func_getattr_base.hpp
 create mode 100644 src/func_getattr_ff.cpp
 create mode 100644 src/func_getattr_ff.hpp

diff --git a/src/follow_symlinks_enum.hpp b/src/follow_symlinks_enum.hpp
new file mode 100644
index 00000000..c708b898
--- /dev/null
+++ b/src/follow_symlinks_enum.hpp
@@ -0,0 +1,9 @@
+#pragma once
+
+enum class FollowSymlinksEnum
+  {
+    NEVER,
+    DIRECTORY,
+    REGULAR,
+    ALL
+  };
diff --git a/src/fs_stat.cpp b/src/fs_stat.cpp
new file mode 100644
index 00000000..c894a403
--- /dev/null
+++ b/src/fs_stat.cpp
@@ -0,0 +1,70 @@
+#include "fs_stat.hpp"
+#include "fs_lstat.hpp"
+
+static
+void
+_set_stat_if_leads_to_dir(const char  *path_,
+                          struct stat *st_)
+{
+  int rv;
+  struct stat st;
+
+  rv = fs::stat(path_,&st);
+  if(rv < 0)
+    return;
+
+  if(S_ISDIR(st.st_mode))
+    *st_ = st;
+
+  return;
+}
+
+static
+void
+_set_stat_if_leads_to_reg(const char  *path_,
+                          struct stat *st_)
+{
+  int rv;
+  struct stat st;
+
+  rv = fs::stat(path_,&st);
+  if(rv < 0)
+    return;
+
+  if(S_ISREG(st.st_mode))
+    *st_ = st;
+
+  return;
+}
+
+int
+fs::stat(const char         *path_,
+         struct stat        *st_,
+         FollowSymlinksEnum  follow_)
+{
+  int rv;
+
+  switch(follow_)
+    {
+    case FollowSymlinksEnum::NEVER:
+      rv = fs::lstat(path_,st_);
+      break;
+    case FollowSymlinksEnum::DIRECTORY:
+      rv = fs::lstat(path_,st_);
+      if(S_ISLNK(st_->st_mode))
+        _set_stat_if_leads_to_dir(path_,st_);
+      break;
+    case FollowSymlinksEnum::REGULAR:
+      rv = fs::lstat(path_,st_);
+      if(S_ISLNK(st_->st_mode))
+        _set_stat_if_leads_to_reg(path_,st_);
+      break;
+    case FollowSymlinksEnum::ALL:
+      rv = fs::stat(path_,st_);
+      if(rv != 0)
+        rv = fs::lstat(path_,st_);
+      break;
+    }
+
+  return rv;
+}
diff --git a/src/func_getattr_base.hpp b/src/func_getattr_base.hpp
new file mode 100644
index 00000000..6f89b750
--- /dev/null
+++ b/src/func_getattr_base.hpp
@@ -0,0 +1,35 @@
+#pragma once
+
+#include "follow_symlinks_enum.hpp"
+
+#include "fs_path.hpp"
+#include "branches.hpp"
+#include "int_types.h"
+
+#include "fuse.h"
+
+#include <string_view>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+namespace Func2
+{
+  class GetAttrBase
+  {
+  public:
+    GetAttrBase() {}
+    ~GetAttrBase() {}
+
+  public:
+    virtual std::string_view name() const = 0;
+
+  public:
+    virtual int operator()(const Branches &branches,
+                           const fs::path &fusepath,
+                           struct stat    *st,
+                           const FollowSymlinksEnum follow_symlinks,
+                           const s64 symlinkify_timeout) = 0;
+  };
+}
diff --git a/src/func_getattr_ff.cpp b/src/func_getattr_ff.cpp
new file mode 100644
index 00000000..6bd02572
--- /dev/null
+++ b/src/func_getattr_ff.cpp
@@ -0,0 +1,42 @@
+#include "func_getattr_ff.hpp"
+
+#include "fs_stat.hpp"
+#include "fs_inode.hpp"
+#include "symlinkify.hpp"
+
+
+std::string_view
+Func2::GetAttrFF::name() const
+{
+  return "ff";
+}
+
+int
+Func2::GetAttrFF::operator()(const Branches  &branches_,
+                             const fs::path  &fusepath_,
+                             struct stat     *st_,
+                             const FollowSymlinksEnum follow_symlinks_,
+                             const s64 symlinkify_timeout_)
+{
+  int rv;
+  fs::path fullpath;
+
+  for(const auto &branch : branches_)
+    {
+      fullpath = branch.path;
+      fullpath += fusepath_;
+      rv = fs::stat(fullpath.string(),st_,follow_symlinks_);
+      if(rv != 0)
+        continue;
+
+      symlinkify::convert_if_can_be_symlink(fullpath,
+                                            st_,
+                                            symlinkify_timeout_);
+
+      fs::inode::calc(branch.path,fusepath_.string(),st_);
+
+      return 0;
+    }
+
+  return -ENOENT;
+}
diff --git a/src/func_getattr_ff.hpp b/src/func_getattr_ff.hpp
new file mode 100644
index 00000000..e3d4b18f
--- /dev/null
+++ b/src/func_getattr_ff.hpp
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "func_getattr_base.hpp"
+
+namespace Func2
+{
+  class GetAttrFF : public GetAttrBase
+  {
+  public:
+    GetAttrFF() {}
+    ~GetAttrFF() {}
+
+  public:
+    std::string_view name() const;
+
+  public:
+    int operator()(const Branches &branches,
+                   const fs::path &fusepath,
+                   struct stat    *st,
+                   const FollowSymlinksEnum follow_symlinks,
+                   const s64 symlinkify_timeout);
+  };
+}