X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=platform%2Fexample%2Ffunctions%2F_PDCLIB%2Ffillbuffer.c;h=a5520a34f43b0bc770862568a88d2ba37b5547df;hb=ce0e5d8cd76b50f239fb8e95170502b146247b35;hp=ecfb96859bcc668b63bfe866d6aca7b4017e5ba8;hpb=393020b6e48719d27699dea6b29e53025bbd5123;p=pdclib

diff --git a/platform/example/functions/_PDCLIB/fillbuffer.c b/platform/example/functions/_PDCLIB/fillbuffer.c
index ecfb968..a5520a3 100644
--- a/platform/example/functions/_PDCLIB/fillbuffer.c
+++ b/platform/example/functions/_PDCLIB/fillbuffer.c
@@ -31,6 +31,7 @@ int _PDCLIB_fillbuffer( struct _PDCLIB_file_t * stream )
         {
             /* TODO: Text stream conversion here */
         }
+        stream->pos.offset += rc;
         stream->bufend = rc;
         stream->bufidx = 0;
         return 0;
@@ -40,15 +41,19 @@ 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 probably be something like EUNKNOWN. */
+                _PDCLIB_errno = _PDCLIB_ERROR;
                 break;
         }
         stream->status |= _PDCLIB_ERRORFLAG;