From ff10d93563e740d02a7a9815df9bd7b7d4b6d3d5 Mon Sep 17 00:00:00 2001 From: tenderlove Date: Mon, 5 Jul 2010 23:38:35 +0000 Subject: * ext/dl/lib/dl/import.rb (handler): add a more helpful error message when calling import_symbol or import_function without calling dlload. Thanks nobu! [ruby-core:30996] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28552 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/dl/lib/dl/import.rb | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'ext/dl/lib') diff --git a/ext/dl/lib/dl/import.rb b/ext/dl/lib/dl/import.rb index fd23bc9676..f9e8faf5f0 100644 --- a/ext/dl/lib/dl/import.rb +++ b/ext/dl/lib/dl/import.rb @@ -194,8 +194,12 @@ module DL return ptr end + def handler + @handler or raise "call dlload before importing symbols and functions" + end + def import_symbol(name) - addr = @handler.sym(name) + addr = handler.sym(name) if( !addr ) raise(DLError, "cannot find the symbol: #{name}") end @@ -203,7 +207,7 @@ module DL end def import_function(name, ctype, argtype, call_type = nil) - addr = @handler.sym(name) + addr = handler.sym(name) if( !addr ) raise(DLError, "cannot find the function: #{name}()") end -- cgit v1.2.3