mingw: move common functionality to win32.h

[git.git] / compat / win32.h

diff --git a/compat/win32.h b/compat/win32.h
new file mode 100644 (file)
index 0000000..c26384e
--- /dev/null
+++ b/compat/win32.h
@@ -0,0 +1,34 @@
+/* common Win32 functions for MinGW and Cygwin */
+#include <windows.h>
+
+static inline int file_attr_to_st_mode (DWORD attr)
+{
+       int fMode = S_IREAD;
+       if (attr & FILE_ATTRIBUTE_DIRECTORY)
+               fMode |= S_IFDIR;
+       else
+               fMode |= S_IFREG;
+       if (!(attr & FILE_ATTRIBUTE_READONLY))
+               fMode |= S_IWRITE;
+       return fMode;
+}
+
+static inline int get_file_attr(const char *fname, WIN32_FILE_ATTRIBUTE_DATA *fdata)
+{
+       if (GetFileAttributesExA(fname, GetFileExInfoStandard, fdata))
+               return 0;
+
+       switch (GetLastError()) {
+       case ERROR_ACCESS_DENIED:
+       case ERROR_SHARING_VIOLATION:
+       case ERROR_LOCK_VIOLATION:
+       case ERROR_SHARING_BUFFER_EXCEEDED:
+               return EACCES;
+       case ERROR_BUFFER_OVERFLOW:
+               return ENAMETOOLONG;
+       case ERROR_NOT_ENOUGH_MEMORY:
+               return ENOMEM;
+       default:
+               return ENOENT;
+       }
+}