GNU bug report logs - #10616
flush procedure for soft ports isn't called

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From: Ian Price <ianprice90 <at> googlemail.com>
To: ludo <at> gnu.org (Ludovic Courtès)
Cc: 10616 <at> debbugs.gnu.org
Subject: bug#10616: flush procedure for soft ports isn't called
Date: Fri, 27 Jan 2012 20:51:52 +0000

[Message part 1 (text/plain, inline)]

ludo <at> gnu.org (Ludovic Courtès) writes:

> Hi Ian,
>
> I fail to see the patch, and to retrieve it from
> <http://bugs.gnu.org/10616>.  Could you resend it inline?
Bah, that's twice this has happened recently.

-- 
Ian Price

"Programming is like pinball. The reward for doing it well is
the opportunity to do it again" - from "The Wizardy Compiled"

[0001-Fix-flush-on-soft-ports-so-that-it-actually-runs.patch (text/x-patch, inline)]

From 8a9524014ce85fb34fe5cfd7a2667395ce0cdf5d Mon Sep 17 00:00:00 2001
From: Ian Price <ianprice90 <at> googlemail.com>
Date: Fri, 27 Jan 2012 06:38:09 +0000
Subject: [PATCH] Fix flush on soft ports, so that it actually runs.

* libguile/vports.c (sf_flush): Remove conditional testing the
  position in the port's write_buf, as it is no longer used.
---
 libguile/vports.c |   18 ++++--------------
 1 files changed, 4 insertions(+), 14 deletions(-)

diff --git a/libguile/vports.c b/libguile/vports.c
index 5178d79..75e7df3 100644
--- a/libguile/vports.c
+++ b/libguile/vports.c
@@ -56,21 +56,11 @@ sf_flush (SCM port)
   scm_t_port *pt = SCM_PTAB_ENTRY (port);
   SCM stream = SCM_PACK (pt->stream);
 
-  if (pt->write_pos > pt->write_buf)
-    {
-      /* write the byte. */
-      scm_call_1 (SCM_SIMPLE_VECTOR_REF (stream, 0),
-		  SCM_MAKE_CHAR (*pt->write_buf));
-      pt->write_pos = pt->write_buf;
-  
-      /* flush the output.  */
-      {
-	SCM f = SCM_SIMPLE_VECTOR_REF (stream, 2);
+  SCM f = SCM_SIMPLE_VECTOR_REF (stream, 2);
+
+  if (scm_is_true (f))
+    scm_call_0 (f);
 
-	if (scm_is_true (f))
-	  scm_call_0 (f);
-      }
-    }
 }
 
 static void
-- 
1.7.7.6

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