From 2f44025563c4d2a8807f2ea6b591482c677d2120 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 24 Jul 2014 00:52:51 +0100
Subject: [PATCH 1/1] regress/gdbwrap: Provide a convenience script

This lets you run gdb from within r1test with appropriate fd plumbing.
(It's a shame gdb doesn't have a way to simply tell it to take its
commands from /dev/tty.)

Add the suggested example gdb script file, x.gdb, to .gitignore.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 .gitignore      |  1 +
 regress/gdbwrap | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100755 regress/gdbwrap

diff --git a/.gitignore b/.gitignore
index 258e160..aea004a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ settings.make
 *.so
 *.a
 *~
+x.gdb
 client/Makefile
 client/adnstest_s
 client/fanftest_s
diff --git a/regress/gdbwrap b/regress/gdbwrap
new file mode 100755
index 0000000..a01178b
--- /dev/null
+++ b/regress/gdbwrap
@@ -0,0 +1,37 @@
+#!/bin/sh
+set -e
+
+# For example, put this in x.gdb
+#   break adns__revparse_label
+#   break adns__revparse_done
+#   run
+# and then
+#   ADNS_TEST_DEBUG='./gdbwrap -n x.gdb' ./r1test tcpptr
+#
+# gdbwrap can be passed arguments like
+#    *.gdb     passed to gdb with -x
+#    -n        exit with exit status 5 which makes r1test think "skipped"
+#
+# other arguments are taken to be the program name provided by
+# whatever has been told to use gdbwrap (eg r1test)
+
+while true; do
+	case "$1" in
+	*.gdb)	  xgdb="-x $1"; shift;;
+	-n)	  x5='exit 5'; shift;;
+	*)	  break;;
+	esac
+done
+
+exe=$1; shift
+
+exec 5<&0 6>&1 7>&2
+exec 0<>/dev/tty 1>&0 2>&0
+
+set +e
+ex="set args <&5 >&6 2>&7"
+for a in "$@"; do
+	ex="$ex '$a'"
+done
+gdb --return-child-result -ex "$ex" $xgdb $exe
+$x5
-- 
2.30.2