X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2F_PDCLIB%2Fprepwrite.c;h=0b31529d5d74693e40c97010d8d946acb549cbf8;hp=148e1c144c0bcec02e88220e136210ecc73f02cb;hb=7015f5842d05bd5da32523048e4260e60e9e310c;hpb=2546ca02850b8d684a694dc7373887f7aec994dc

diff --git a/functions/_PDCLIB/prepwrite.c b/functions/_PDCLIB/prepwrite.c
index 148e1c1..0b31529 100644
--- a/functions/_PDCLIB/prepwrite.c
+++ b/functions/_PDCLIB/prepwrite.c
@@ -7,6 +7,7 @@
 */
 
 #include <stdio.h>
+#include <errno.h>
 
 int _PDCLIB_prepwrite( struct _PDCLIB_file_t * stream )
 {
@@ -18,7 +19,7 @@ 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;
     }