Create current_directory.c

system/current_directory.c

@@ -0,0 +1,41 @@
+#include <windows.h>
+#include <wchar.h>
+
+#define BUFSIZE MAX_PATH
+
+int wmain(int argc, wchar_t **argv) {
+
+    wchar_t buf[BUFSIZE];
+    
+    if(argc != 2) {
+
+      wprintf(L"Usage: %ls <dir>\n", argv[0]);
+      return 1;
+    }
+
+    DWORD dwRet = SetCurrentDirectoryW(argv[1]);
+
+    if (dwRet == 0) {
+
+      wprintf(L"SetCurrentDirectoryW() failed (%ld)\n", GetLastError());
+      return 1;
+    }
+
+    dwRet = GetCurrentDirectoryW(BUFSIZE, buf);
+
+    if (dwRet == 0) {
+
+      wprintf(L"GetCurrentDirectoryW() failed (%ld)\n", GetLastError());
+      return 1;
+    }
+
+    if (dwRet > BUFSIZE) {
+
+      wprintf(L"Buffer too small; needs %d characters\n", dwRet);
+      return 1;
+    }
+
+    wprintf(L"Current directory is: %ls\n", buf);
+
+    return 0;
+}