Comment cleanups.

[pdclib] / platform / example_cygwin / functions / _PDCLIB / fillbuffer.c

diff --git a/platform/example_cygwin/functions/_PDCLIB/fillbuffer.c b/platform/example_cygwin/functions/_PDCLIB/fillbuffer.c
index ecfb96859bcc668b63bfe866d6aca7b4017e5ba8..820ef45a737a140440eb54e7e4b6e7cbd2587de2 100644 (file)
--- a/platform/example_cygwin/functions/_PDCLIB/fillbuffer.c
+++ b/platform/example_cygwin/functions/_PDCLIB/fillbuffer.c
@@ -1,6 +1,4 @@
-/* $Id$ */
-
-/* _PDCLIB_fillbuffer( struct _PDCLIB_file_t * stream )
+/* _PDCLIB_fillbuffer( struct _PDCLIB_file_t * )
 
    This file is part of the Public Domain C Library (PDCLib).
    Permission is granted to use, modify, and / or redistribute at will.
@@ -40,15 +38,19 @@ int _PDCLIB_fillbuffer( struct _PDCLIB_file_t * stream )
         /* Reading error */
         switch ( errno )
         {
+            /* See comments on implementation-defined errno values in
+               <_PDCLIB_config.h>.
+            */
             case EBADF:
             case EFAULT:
             case EINTR:
             case EINVAL:
             case EIO:
-                _PDCLIB_errno = _PDCLIB_EIO;
+                _PDCLIB_errno = _PDCLIB_ERROR;
                 break;
             default:
-                _PDCLIB_errno = _PDCLIB_EUNKNOWN;
+                /* This should be something like EUNKNOWN. */
+                _PDCLIB_errno = _PDCLIB_ERROR;
                 break;
         }
         stream->status |= _PDCLIB_ERRORFLAG;