Fix with additional notes for older PSDK winbase.h headers.

git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@388287 13f79535-47bb-0310-9956-ffa450edef68
scantist-ossops-m2 · Mar 23, 2006 · 3c4201e · 3c4201e
1 parent 3b4edd0
commit 3c4201e
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/file_io/win32/seek.c b/file_io/win32/seek.c
@@ -48,10 +48,11 @@ static apr_status_t setptr(apr_file_t *thefile, apr_off_t pos )
         DWORD offhi = (DWORD)(pos >> 32);
         rc = SetFilePointer(thefile->filehand, offlo, &offhi, FILE_BEGIN);
 
-        if (rc == INVALID_SET_FILE_POINTER)
-            /* A legal value, perhaps?  MSDN implies prior SetLastError isn't 
+        if (rc == (DWORD)-1)
+            /* A legal value, perhaps?  MSDN implies prior SetLastError isn't
              * needed, googling for SetLastError SetFilePointer seems
-             * to confirm this.
+             * to confirm this.  INVALID_SET_FILE_POINTER is too recently
+             * added for us to rely on it as a constant.
              */
             rv = apr_get_os_error();
         else