From: Magnus Jacobsson <magnus.jacobsson@berotec.se>
Date: Tue, 8 Sep 2020 18:12:17 +0000 (+0200)
Subject: Fix lefty compile error on Windows
X-Git-Tag: 2.46.0~20^2^2~87^2~8
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9db7b1684d0dc5728070b884dd41a1c47f36db3e;p=graphviz

Fix lefty compile error on Windows

The FILE type, a.k.a. struct _iobuf does not have any _cnt field on
Windows. Setting HAVE_FILE_CNT to 0 avoids the use of that. None of
the other implementation alternatives work either so the canread macro
in lefty.c always returns 1.
---

diff --git a/windows/include/config.h b/windows/include/config.h
index bd3a2eb22..7e7f66cf8 100644
--- a/windows/include/config.h
+++ b/windows/include/config.h
@@ -63,7 +63,7 @@
 #define HAVE_EXPAT_H 1
 
 /* Define if FILE structure provides _cnt */
-#define HAVE_FILE_CNT 1
+#define HAVE_FILE_CNT 0
 
 /* Define if FILE structure provides _IO_read_end */
 /* #undef HAVE_FILE_IO_READ_END */