os: dirent: Avoid to use PathIsDirectoryA and SHCreateDirectoryEx for Nano win server

.github/workflows/ci.yaml

@@ -15,15 +15,20 @@ jobs:
       max-parallel: 48
       fail-fast: false
       matrix:
-        os: [windows-latest, windows-2019]
+        os: [windows-2025, windows-2022]
     steps:
       - uses: actions/checkout@v2
-      - name: Build on ${{ matrix.os }} with vs-2019
+      - name: Set up with Developer Command Prompt for Microsoft Visual C++
+        uses: ilammy/msvc-dev-cmd@v1
+        with:
+          arch: amd64
+      - name: Build on ${{ matrix.os }} with MSVC
         run: |
-          .\scripts\win_build.bat
+          cmake -G "NMake Makefiles" -DCIO_TESTS=On .
+          cmake --build .
       - name: Run unit tests.
         run: |
-          ctest --rerun-failed --output-on-failure -C Debug --test-dir .
+          ctest . --rerun-failed --output-on-failure --test-dir .
   build-unix:
     name: Build sources on amd64 for ${{ matrix.os }} - ${{ matrix.compiler }}
     runs-on: ${{ matrix.os }}

src/CMakeLists.txt

@@ -23,8 +23,7 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
     )
   set(libs
     ${libs}
-    Shell32.lib
-    Shlwapi.lib)
+    Shell32.lib)
 else()
   set(src
     ${src}

src/cio_os.c

@@ -49,6 +49,45 @@ int cio_os_isdir(const char *dir)
     return -1;
 }
 
+#ifdef _WIN32
+inline int cio_os_win32_make_recursive_path(const char* path) {
+    char dir[MAX_PATH];
+    char* p = NULL;
+
+    if (_fullpath(dir, path, MAX_PATH) == NULL) {
+        return 1;
+    }
+
+    for (p = dir; *p; p++) {
+        /* Skip the drive letter (e.g., "C:") */
+        if (p > dir && *p == ':' && *(p - 1) != '\0') {
+            continue;
+        }
+
+        if (*p == '\\' || *p == '/') {
+            char original_char = *p;
+            *p = '\0';
+
+            if (!CreateDirectoryA(dir, NULL)) {
+                if (GetLastError() != ERROR_ALREADY_EXISTS) {
+                    *p = original_char;
+                    return 1;
+                }
+            }
+            *p = original_char;
+        }
+    }
+
+    if (!CreateDirectoryA(dir, NULL)) {
+        if (GetLastError() != ERROR_ALREADY_EXISTS) {
+            return 1;
+        }
+    }
+
+    return 0;
+}
+#endif
+
 /* Create directory */
 int cio_os_mkpath(const char *dir, mode_t mode)
 {
@@ -85,7 +124,7 @@ int cio_os_mkpath(const char *dir, mode_t mode)
         return 1;
     }
 
-    if (SHCreateDirectoryExA(NULL, path, NULL) != ERROR_SUCCESS) {
+    if (cio_os_win32_make_recursive_path(path) != ERROR_SUCCESS) {
         return 1;
     }
     return 0;

src/win32/dirent.c

@@ -23,7 +23,6 @@
  */
 
 #include <Windows.h>
-#include <shlwapi.h>
 
 #include "dirent.h"
 
@@ -75,11 +74,30 @@ static char *create_pattern(const char *path)
     return buf;
 }
 
+/**
+ * @brief Checks if a given path string refers to an existing directory.
+ * @param pszPath The null-terminated string that contains the path.
+ * @return Returns TRUE if the path is a directory, otherwise FALSE.
+ */
+BOOL path_is_directory(LPCSTR pszPath) {
+    DWORD dwAttrib = GetFileAttributesA(pszPath);
+
+    if (dwAttrib == INVALID_FILE_ATTRIBUTES) {
+        return FALSE;
+    }
+
+    if (dwAttrib & FILE_ATTRIBUTE_DIRECTORY) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
 struct CIO_WIN32_DIR *cio_win32_opendir(const char *path)
 {
     struct CIO_WIN32_DIR *d;
 
-    if (!PathIsDirectoryA(path)) {
+    if (!path_is_directory(path)) {
         return NULL;
     }