From: Owen Shepherd <owen.shepherd@e43.eu>
Date: Thu, 16 Aug 2012 12:11:16 +0000 (+0100)
Subject: win32: Fix _PDCLIB_seek. Todo soon: change this API. It is far too tricky and involve... 
X-Git-Url: https://pd.if.org/git/?p=pdclib;a=commitdiff_plain;h=b51005d0cdc8e592a7064a12f42a41b5d843fd94

win32: Fix _PDCLIB_seek. Todo soon: change this API. It is far too tricky and involves too much reaching into the stream objects.
---

diff --git a/platform/win32/functions/_PDCLIB/_PDCLIB_seek.c b/platform/win32/functions/_PDCLIB/_PDCLIB_seek.c
index 3add659..e23cd3c 100644
--- a/platform/win32/functions/_PDCLIB/_PDCLIB_seek.c
+++ b/platform/win32/functions/_PDCLIB/_PDCLIB_seek.c
@@ -12,6 +12,10 @@
 #include <_PDCLIB_glue.h>
 #include <windows.h>
 
+_Static_assert(SEEK_SET == FILE_BEGIN, "SEEK_SET is incorrect");
+_Static_assert(SEEK_CUR == FILE_CURRENT, "SEEK_CUR is incorrect");
+_Static_assert(SEEK_END == FILE_END, "SEEK_END is incorrect");
+
 extern void _PDCLIB_w32errno( void );
 _PDCLIB_int64_t _PDCLIB_seek( struct _PDCLIB_file_t * stream, _PDCLIB_int64_t offset, int whence )
 {
@@ -22,6 +26,10 @@ _PDCLIB_int64_t _PDCLIB_seek( struct _PDCLIB_file_t * stream, _PDCLIB_int64_t of
         _PDCLIB_w32errno();
         return EOF;
     }
+
+    stream->ungetidx = 0;
+    stream->bufidx = 0;
+    stream->bufend = 0;
     stream->pos.offset = liOffset.QuadPart;
     return liOffset.QuadPart;
 }