X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2F_PDCLIB%2Fprepwrite.c;h=1b1c4b526eecceee5105e9ef544aa761d2928bcc;hb=82ad725339311dab6bc2c28524e71d0cfaacab25;hp=148e1c144c0bcec02e88220e136210ecc73f02cb;hpb=ce0e5d8cd76b50f239fb8e95170502b146247b35;p=pdclib

diff --git a/functions/_PDCLIB/prepwrite.c b/functions/_PDCLIB/prepwrite.c
index 148e1c1..1b1c4b5 100644
--- a/functions/_PDCLIB/prepwrite.c
+++ b/functions/_PDCLIB/prepwrite.c
@@ -7,7 +7,9 @@
 */
 
 #include <stdio.h>
+#include <errno.h>
 
+#ifndef REGTEST
 int _PDCLIB_prepwrite( struct _PDCLIB_file_t * stream )
 {
     if ( ( stream->bufidx < stream->bufend ) || ( stream->ungetidx > 0 ) ||
@@ -18,13 +20,14 @@ int _PDCLIB_prepwrite( struct _PDCLIB_file_t * stream )
            See the comments on implementation-defined errno values in
            <_PDCLIB_config.h>.
         */
-        _PDCLIB_errno = _PDCLIB_ERROR;
+        errno = EINVAL;
         stream->status |= _PDCLIB_ERRORFLAG;
         return EOF;
     }
     stream->status |= _PDCLIB_FWRITE | _PDCLIB_BYTESTREAM;
     return 0;
 }
+#endif
 
 #ifdef TEST
 #include <_PDCLIB_test.h>