X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=platform%2Fexample_cygwin%2Ffunctions%2F_PDCLIB%2Ffillbuffer.c;h=29808b2b6f973a39135250e1364122ebd1dd0d9c;hb=e4a50ae15f5ea7e9e10cb8dfba8e5c1824abe4d3;hp=ecfb96859bcc668b63bfe866d6aca7b4017e5ba8;hpb=8fca29703edff11c81af1e6039bcf115a83b6bbc;p=pdclib.old

diff --git a/platform/example_cygwin/functions/_PDCLIB/fillbuffer.c b/platform/example_cygwin/functions/_PDCLIB/fillbuffer.c
index ecfb968..29808b2 100644
--- a/platform/example_cygwin/functions/_PDCLIB/fillbuffer.c
+++ b/platform/example_cygwin/functions/_PDCLIB/fillbuffer.c
@@ -40,15 +40,19 @@ 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;