Make DynaLoader clone its private data under threads.

[perl5.git] / win32 / win32io.c

diff --git a/win32/win32io.c b/win32/win32io.c
index f0f71e7..a3981c0 100644 (file)
--- a/win32/win32io.c
+++ b/win32/win32io.c
@@ -256,9 +256,13 @@ PerlIOWin32_seek(pTHX_ PerlIO *f, Off_t offset, int whence)
 {
  static const DWORD where[3] = { FILE_BEGIN, FILE_CURRENT, FILE_END };
  PerlIOWin32 *s = PerlIOSelf(f,PerlIOWin32);
- DWORD high = (sizeof(offset) > sizeof(DWORD)) ? (DWORD)(offset >> 32) : 0;
+#if Off_t_size >= 8
+ DWORD high = (DWORD)(offset >> 32);
+#else
+ DWORD high = 0;
+#endif
  DWORD low  = (DWORD) offset;
- DWORD res  = SetFilePointer(s->h,low,&high,where[whence]);
+ DWORD res  = SetFilePointer(s->h,(LONG)low,(LONG *)&high,where[whence]);
  if (res != 0xFFFFFFFF || GetLastError() != NO_ERROR)
   {
    return 0;
@@ -274,10 +278,14 @@ PerlIOWin32_tell(pTHX_ PerlIO *f)
 {
  PerlIOWin32 *s = PerlIOSelf(f,PerlIOWin32);
  DWORD high = 0;
- DWORD res  = SetFilePointer(s->h,0,&high,FILE_CURRENT);
+ DWORD res  = SetFilePointer(s->h,0,(LONG *)&high,FILE_CURRENT);
  if (res != 0xFFFFFFFF || GetLastError() != NO_ERROR)
   {
+#if Off_t_size >= 8
    return ((Off_t) high << 32) | res;
+#else
+   return res;
+#endif
   }
  return (Off_t) -1;
 }
@@ -340,7 +348,7 @@ PerlIOWin32_dup(pTHX_ PerlIO *f, PerlIO *o, CLONE_PARAMS *params, int flags)
  return f;
 }
 
-PerlIO_funcs PerlIO_win32 = {
+PERLIO_FUNCS_DECL(PerlIO_win32) = {
  sizeof(PerlIO_funcs),
  "win32",
  sizeof(PerlIOWin32),