LibCore: Port DirIterator to Windows using vcpkg dirent.h

Author: https://github.com/stasoid
Commit: 16ab3c5f9d
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/1957
Reviewed-by: https://github.com/ADKaster ✅

Userland/Libraries/LibCore/CMakeLists.txt

@@ -21,6 +21,11 @@ endif()
 
 serenity_lib(LibCoreMinimal coreminimal)
 
+if (WIN32)
+    find_path(DIRENT_INCLUDE_DIR dirent.h REQUIRED)
+    target_include_directories(LibCoreMinimal PRIVATE ${DIRENT_INCLUDE_DIR})
+endif()
+
 if (LAGOM_TOOLS_ONLY)
     return()
 endif()

Userland/Libraries/LibCore/DirIterator.cpp

@@ -5,9 +5,8 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <AK/Vector.h>
 #include <LibCore/DirIterator.h>
-#include <errno.h>
+#include <dirent.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 
@@ -79,6 +78,7 @@ bool DirIterator::advance_next()
         if (m_flags & Flags::SkipParentAndBaseDir && (m_next->name == "." || m_next->name == ".."))
             continue;
 
+#ifndef AK_OS_WINDOWS
         if constexpr (dirent_has_d_type) {
             // dirent structures from readdir aren't guaranteed to contain valid file types,
             // as it is possible that the underlying filesystem doesn't keep track of those.
@@ -94,6 +94,7 @@ bool DirIterator::advance_next()
                 m_next->type = DirectoryEntry::directory_entry_type_from_stat(statbuf.st_mode);
             }
         }
+#endif
 
         return !m_next->name.is_empty();
     }
@@ -135,11 +136,13 @@ ByteString DirIterator::next_full_path()
     return builder.to_byte_string();
 }
 
+#ifndef AK_OS_WINDOWS
 int DirIterator::fd() const
 {
     if (!m_dir)
         return -1;
     return dirfd(m_dir);
 }
+#endif
 
 }

Userland/Libraries/LibCore/DirIterator.h

@@ -7,10 +7,7 @@
 
 #pragma once
 
-#include <AK/ByteString.h>
 #include <LibCore/DirectoryEntry.h>
-#include <dirent.h>
-#include <string.h>
 
 namespace Core {
 

Userland/Libraries/LibCore/DirectoryEntry.cpp

@@ -5,6 +5,7 @@
  */
 
 #include "DirectoryEntry.h"
+#include <dirent.h>
 #include <sys/stat.h>
 
 namespace Core {
@@ -68,14 +69,16 @@ DirectoryEntry::Type DirectoryEntry::directory_entry_type_from_stat(mode_t st_mo
         return DirectoryEntry::Type::CharacterDevice;
     case S_IFDIR:
         return DirectoryEntry::Type::Directory;
-    case S_IFBLK:
-        return DirectoryEntry::Type::BlockDevice;
     case S_IFREG:
         return DirectoryEntry::Type::File;
     case S_IFLNK:
         return DirectoryEntry::Type::SymbolicLink;
+#ifndef AK_OS_WINDOWS
+    case S_IFBLK:
+        return DirectoryEntry::Type::BlockDevice;
     case S_IFSOCK:
         return DirectoryEntry::Type::Socket;
+#endif
     default:
         return DirectoryEntry::Type::Unknown;
     }
@@ -83,7 +86,7 @@ DirectoryEntry::Type DirectoryEntry::directory_entry_type_from_stat(mode_t st_mo
 }
 
 #if !defined(AK_OS_SOLARIS) && !defined(AK_OS_HAIKU)
-static DirectoryEntry::Type directory_entry_type_from_posix(unsigned char dt_constant)
+static DirectoryEntry::Type directory_entry_type_from_posix(int dt_constant)
 {
     switch (dt_constant) {
     case DT_UNKNOWN:
@@ -94,15 +97,17 @@ static DirectoryEntry::Type directory_entry_type_from_posix(unsigned char dt_con
         return DirectoryEntry::Type::CharacterDevice;
     case DT_DIR:
         return DirectoryEntry::Type::Directory;
-    case DT_BLK:
-        return DirectoryEntry::Type::BlockDevice;
     case DT_REG:
         return DirectoryEntry::Type::File;
     case DT_LNK:
         return DirectoryEntry::Type::SymbolicLink;
+#    ifndef AK_OS_WINDOWS
+    case DT_BLK:
+        return DirectoryEntry::Type::BlockDevice;
     case DT_SOCK:
         return DirectoryEntry::Type::Socket;
-#    ifndef AK_OS_OPENBSD
+#    endif
+#    if !defined AK_OS_OPENBSD && !defined AK_OS_WINDOWS
     case DT_WHT:
         return DirectoryEntry::Type::Whiteout;
 #    endif
@@ -111,6 +116,7 @@ static DirectoryEntry::Type directory_entry_type_from_posix(unsigned char dt_con
 }
 #endif
 
+#ifndef AK_OS_WINDOWS
 DirectoryEntry DirectoryEntry::from_stat(DIR* d, dirent const& de)
 {
     struct stat statbuf;
@@ -121,6 +127,7 @@ DirectoryEntry DirectoryEntry::from_stat(DIR* d, dirent const& de)
         .inode_number = de.d_ino,
     };
 }
+#endif
 
 #if !defined(AK_OS_SOLARIS) && !defined(AK_OS_HAIKU)
 DirectoryEntry DirectoryEntry::from_dirent(dirent const& de)
@@ -128,7 +135,7 @@ DirectoryEntry DirectoryEntry::from_dirent(dirent const& de)
     return DirectoryEntry {
         .type = directory_entry_type_from_posix(de.d_type),
         .name = de.d_name,
-        .inode_number = de.d_ino,
+        .inode_number = (ino_t)de.d_ino,
     };
 }
 #endif

Userland/Libraries/LibCore/DirectoryEntry.h

@@ -7,8 +7,12 @@
 #pragma once
 
 #include <AK/ByteString.h>
-#include <AK/StringView.h>
+#ifdef AK_OS_WINDOWS
+struct dirent;
+struct DIR;
+#else
 #    include <dirent.h>
+#endif
 
 namespace Core {
 

vcpkg.json

@@ -8,6 +8,10 @@
         "http2"
       ]
     },
+    {
+      "name": "dirent",
+      "platform": "windows"
+    },
     {
       "name": "fontconfig",
       "platform": "linux | freebsd | openbsd | osx | windows"