From e148366e9afde02513e4696d22cf2dda53c28568 Mon Sep 17 00:00:00 2001
From: Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
Date: Mon, 18 May 2026 21:19:01 +0900
Subject: [PATCH] [SHLWAPI][SDK] Support FixSlashesAndColonA (#9040)

Implementing missing features...
JIRA issue: CORE-19278
- Implement FixSlashesAndColonA function.
- Modify shlwapi.spec.
- Add prototype into <shlwapi_undoc.h>.
---
 dll/win32/shlwapi/ordinal.c         | 15 +++++++++++++++
 dll/win32/shlwapi/shlwapi.spec      |  2 +-
 sdk/include/reactos/shlwapi_undoc.h |  5 ++++-
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/dll/win32/shlwapi/ordinal.c b/dll/win32/shlwapi/ordinal.c
index dd16b3bfd40..932f80bab38 100644
--- a/dll/win32/shlwapi/ordinal.c
+++ b/dll/win32/shlwapi/ordinal.c
@@ -4729,6 +4729,21 @@ DWORD WINAPI SHMenuIndexFromID(HMENU hMenu, UINT uID)
 }
 
 
+#ifdef __REACTOS__
+/*************************************************************************
+ *      @	[SHLWAPI.447]
+ */
+VOID WINAPI FixSlashesAndColonA(_Inout_ LPSTR lpstr)
+{
+    PCHAR pch;
+    for (pch = lpstr; *pch; pch = CharNextA(pch))
+    {
+        if (*pch == '/')
+            *pch = '\\';
+    }
+}
+#endif
+
 /*************************************************************************
  *      @	[SHLWAPI.448]
  */
diff --git a/dll/win32/shlwapi/shlwapi.spec b/dll/win32/shlwapi/shlwapi.spec
index d3666170aaf..132b2c7b80f 100644
--- a/dll/win32/shlwapi/shlwapi.spec
+++ b/dll/win32/shlwapi/shlwapi.spec
@@ -444,7 +444,7 @@
 444 stdcall -noname SHGetSystemWindowsDirectoryW(ptr long) kernel32.GetSystemWindowsDirectoryW
 445 stdcall -noname PathFileExistsAndAttributesA(str ptr)
 446 stdcall -noname PathFileExistsAndAttributesW(wstr ptr)
-447 stub -noname FixSlashesAndColonA
+447 stdcall -noname FixSlashesAndColonA(str)
 448 stdcall -noname FixSlashesAndColonW(wstr)
 449 stub -noname NextPathA
 450 stub -noname NextPathW
diff --git a/sdk/include/reactos/shlwapi_undoc.h b/sdk/include/reactos/shlwapi_undoc.h
index 6b8b2dd61fb..30eec8317d4 100644
--- a/sdk/include/reactos/shlwapi_undoc.h
+++ b/sdk/include/reactos/shlwapi_undoc.h
@@ -389,7 +389,8 @@ PathFileExistsDefExtAndAttributesW(
     _Out_opt_ LPDWORD pdwFileAttributes);
 
 BOOL WINAPI PathFindOnPathExW(LPWSTR lpszFile, LPCWSTR *lppszOtherDirs, DWORD dwWhich);
-VOID WINAPI FixSlashesAndColonW(LPWSTR);
+VOID WINAPI FixSlashesAndColonA(_Inout_ LPSTR lpstr);
+VOID WINAPI FixSlashesAndColonW(_Inout_ LPWSTR lpwstr);
 BOOL WINAPI PathIsValidCharA(char c, DWORD dwClass);
 BOOL WINAPI PathIsValidCharW(WCHAR c, DWORD dwClass);
 BOOL WINAPI SHGetPathFromIDListWrapW(LPCITEMIDLIST pidl, LPWSTR pszPath);
@@ -407,9 +408,11 @@ LPWSTR WINAPI StrCpyNXW(LPWSTR lpszDest, LPCWSTR lpszSrc, int iLen);
 #ifdef UNICODE
     #define PathIsValidChar PathIsValidCharW
     #define StrCpyNX StrCpyNXW
+    #define FixSlashesAndColon FixSlashesAndColonW
 #else
     #define PathIsValidChar PathIsValidCharA
     #define StrCpyNX StrCpyNXA
+    #define FixSlashesAndColon FixSlashesAndColonA
 #endif
 
 BOOL WINAPI