From d81b26e726dde262fb7854d1a58e4efe60037422 Mon Sep 17 00:00:00 2001
From: Joerg Wunsch <joerg@FreeBSD.org>
Date: Tue, 24 May 2005 20:02:50 +0000
Subject: [PATCH] Fix for GDB bug #1948.  Internally, this fixes a bad check in
 remote_xfer_partial(), notably for AVR-GDB this makes the command "info
 io_registers" work again.

---
 devel/avr-gdb/Makefile                  |  1 +
 devel/avr-gdb/files/patch-gdb::remote.c | 15 +++++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 devel/avr-gdb/files/patch-gdb::remote.c

diff --git a/devel/avr-gdb/Makefile b/devel/avr-gdb/Makefile
index 0b4e7ee4f732..acb51222493d 100644
--- a/devel/avr-gdb/Makefile
+++ b/devel/avr-gdb/Makefile
@@ -7,6 +7,7 @@
 
 PORTNAME=	gdb
 PORTVERSION=	6.3
+PORTREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	${MASTER_SITE_SOURCEWARE}
 MASTER_SITE_SUBDIR=	gdb/releases
diff --git a/devel/avr-gdb/files/patch-gdb::remote.c b/devel/avr-gdb/files/patch-gdb::remote.c
new file mode 100644
index 000000000000..b801011ebbde
--- /dev/null
+++ b/devel/avr-gdb/files/patch-gdb::remote.c
@@ -0,0 +1,15 @@
+--- remote.c.orig	Sat Nov  6 00:38:25 2004
++++ remote.c	Tue May 24 21:34:59 2005
+@@ -4895,8 +4895,10 @@
+ 	return -1;
+     }
+ 
+-  /* Only handle reads.  */
+-  if (writebuf != NULL || readbuf == NULL)
++  /* Only handle reads.  Zero OFFSET and LENGTH is just a size
++   * query only, so allow it anyway.  */
++  if ((writebuf != NULL || readbuf == NULL) &&
++      !(offset == 0 && len == 0))
+     return -1;
+ 
+   /* Map pre-existing objects onto letters.  DO NOT do this for new