Fix issue with rb:show/1 (could not be called twice).

Obtained from:	Peter Andersson <peppe (at) erix.ericsson.se>

2 files changed, 66 insertions, 0 deletions

diff --git a/lang/erlang/Makefile b/lang/erlang/Makefile
index 156b2f445710..2098042ee87b 100644
--- a/lang/erlang/Makefile
+++ b/lang/erlang/Makefile
@@ -7,6 +7,7 @@
 
 PORTNAME=	erlang
 PORTVERSION=	r10b2
+PORTREVISION=	1
 PORTEPOCH=	1
 CATEGORIES=	lang parallel
 MASTER_SITES=	http://www.erlang.org/download/        \
diff --git a/lang/erlang/files/patch-lib_sasl_src_rb.erl b/lang/erlang/files/patch-lib_sasl_src_rb.erl
new file mode 100644
index 000000000000..6fae0f417ac4
--- /dev/null
+++ b/lang/erlang/files/patch-lib_sasl_src_rb.erl
@@ -0,0 +1,65 @@
+
+$FreeBSD$
+
+--- lib/sasl/src/rb.erl.orig
++++ lib/sasl/src/rb.erl
+@@ -177,7 +177,7 @@
+     {reply, ok, State#state{device = standard_io}};
+ handle_call({show_number, Number}, _From, State) ->
+     #state{dir = Dir, data = Data, device = Device, abort = Abort, log = Log} = State,
+-    NewDevice = print_report(Dir, Data, Number, Device, Abort, Log),
++    NewDevice = print_report_by_num(Dir, Data, Number, Device, Abort, Log),
+     {reply, ok, State#state{device = NewDevice}};
+ handle_call({show_type, Type}, _From, State) ->
+     #state{dir = Dir, data = Data, device = Device, abort = Abort, log = Log} = State,
+@@ -541,6 +541,10 @@
+ 		       io_lib:format("~s", [ShortDescr]),
+ 		       Date]).
+ 
++print_report_by_num(Dir, Data, Number, Device, Abort, Log) ->
++    {_,Device1} = print_report(Dir, Data, Number, Device, Abort, Log),
++    Device1.
++    
+ print_typed_reports(_Dir, [], _Type, Device, _Abort, _Log) ->
+     Device;
+ print_typed_reports(Dir, Data, Type, Device, Abort, Log) ->
+@@ -569,23 +573,29 @@
+     end.
+ 
+ print_report(Dir, Data, Number, Device, Abort, Log) ->
+-    {Fname, FilePosition} = find_report(Data, Number),
+-    FileName = lists:concat([Dir, Fname]),
+-    case file:open(FileName, read) of
+-	{ok, Fd} -> 
+-	    read_rep(Fd, FilePosition, Device, Abort, Log);
+-	_ -> 
+-	    io:format("rb: can't open file ~p~n", [Fname]),
++    case find_report(Data, Number) of
++	{Fname, FilePosition} ->
++	    FileName = lists:concat([Dir, Fname]),
++	    case file:open(FileName, read) of
++		{ok, Fd} -> 
++		    read_rep(Fd, FilePosition, Device, Abort, Log);
++		_ -> 
++		    io:format("rb: can't open file ~p~n", [Fname]),
++		    {proceed,Device}
++	    end;
++	no_report ->
+ 	    {proceed,Device}
+     end.
+ 
+ find_report([{No, _Type, _Descr, _Date, Fname, FilePosition}|_T], No) ->
+     {Fname, FilePosition};
+-find_report([_H|T], No) -> find_report(T, No);
++find_report([_H|T], No) -> 
++    find_report(T, No);
+ find_report([], No) ->
+-    io:format("There is no report with number ~p.~n", [No]).
++    io:format("There is no report with number ~p.~n", [No]),
++    no_report.
+     
+-print_grep_reports(_Dir, [], _RegExp, Device, Abort, Log) ->
++print_grep_reports(_Dir, [], _RegExp, Device, _Abort, _Log) ->
+     Device;
+ print_grep_reports(Dir, Data, RegExp, Device, Abort, Log) ->
+     {Next,Device1} = print_grep_report(Dir, Data, element(1, hd(Data)),