bin: factor the calls to set_program_name().

* src/bin/common_setup.cc, src/bin/common_setup.hh: New files.
* src/bin/Makefile.am: Add them.
* src/bin/genltl.cc, src/bin/ltl2tgba.cc, src/bin/ltl2tgta.cc,
src/bin/ltlfilt.cc, src/bin/randltl.cc: Adjust.

src/bin/Makefile.am

@@ -40,6 +40,8 @@ libcommon_a_SOURCES =				\
   common_range.hh				\
   common_r.cc					\
   common_r.hh					\
+  common_setup.cc				\
+  common_setup.hh				\
   common_sys.hh
 
 bin_PROGRAMS = ltlfilt genltl randltl ltl2tgba ltl2tgta

src/bin/common_setup.cc

+// -*- coding: utf-8 -*-
+// Copyright (C) 2012 Laboratoire de Recherche et Développement de
+// l'Epita (LRDE).
+//
+// This file is part of Spot, a model checking library.
+//
+// Spot is free software; you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// Spot is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+// License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Spot; see the file COPYING.  If not, write to the Free
+// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+
+#include "common_setup.hh"
+
+void
+setup(char** argv)
+{
+  // Simplify the program name, because argp() uses it to report
+  // errors and display help text.
+  set_program_name(argv[0]);
+  argv[0] = const_cast<char*>(program_name);
+}

src/bin/common_setup.hh

+// -*- coding: utf-8 -*-
+// Copyright (C) 2012 Laboratoire de Recherche et Développement de
+// l'Epita (LRDE).
+//
+// This file is part of Spot, a model checking library.
+//
+// Spot is free software; you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// Spot is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
+// License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Spot; see the file COPYING.  If not, write to the Free
+// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+
+#ifndef SPOT_BIN_COMMON_SETUP_HH
+#define SPOT_BIN_COMMON_SETUP_HH
+
+#include "common_sys.hh"
+#include "progname.h"
+
+void setup(char** progname);
+
+#endif // SPOT_BIN_COMMON_SETUP_HH

src/bin/genltl.cc

@@ -74,10 +74,10 @@
 #include <fstream>
 #include <argp.h>
 #include <cstdlib>
-#include "progname.h"
 #include "error.h"
 #include <vector>
 
+#include "common_setup.hh"
 #include "common_output.hh"
 #include "common_range.hh"
 
@@ -201,16 +201,6 @@ const struct argp_child children[] =
     { 0, 0, 0, 0 }
   };
 
-// static int
-// to_int(const char* s)
-// {
-//   char* endptr;
-//   int res = strtol(s, &endptr, 10);
-//   if (*endptr)
-//     error(2, 0, "failed to parse '%s' as an integer.", s);
-//   return res;
-// }
-
 static void
 enqueue_job(int pattern, const char* range_str)
 {
@@ -858,10 +848,7 @@ run_jobs()
 int
 main(int argc, char** argv)
 {
-  set_program_name(argv[0]);
-  // Simplify the program name, because argp() uses it to report errors
-  // and display help text.
-  argv[0] = const_cast<char*>(program_name);
+  setup(argv);
 
   const argp ap = { options, parse_opt, 0, argp_program_doc,
 		    children, 0, 0 };

src/bin/ltl2tgba.cc

@@ -25,9 +25,9 @@
 #include <iostream>
 
 #include <argp.h>
-#include "progname.h"
 #include "error.h"
 
+#include "common_setup.hh"
 #include "common_r.hh"
 #include "common_cout.hh"
 #include "common_finput.hh"
@@ -246,10 +246,7 @@ namespace
 int
 main(int argc, char** argv)
 {
-  set_program_name(argv[0]);
-  // Simplify the program name, because argp() uses it to report errors
-  // and display help text.
-  argv[0] = const_cast<char*>(program_name);
+  setup(argv);
 
   const argp ap = { options, parse_opt, "[FORMULA...]",
 		    argp_program_doc, children, 0, 0 };

src/bin/ltl2tgta.cc

@@ -26,9 +26,9 @@
 #include <fstream>
 
 #include <argp.h>
-#include "progname.h"
 #include "error.h"
 
+#include "common_setup.hh"
 #include "common_r.hh"
 #include "common_cout.hh"
 #include "common_finput.hh"
@@ -251,10 +251,7 @@ namespace
 int
 main(int argc, char** argv)
 {
-  set_program_name(argv[0]);
-  // Simplify the program name, because argp() uses it to report errors
-  // and display help text.
-  argv[0] = const_cast<char*>(program_name);
+  setup(argv);
 
   const argp ap = { options, parse_opt, "[FORMULA...]",
 		    argp_program_doc, children, 0, 0 };

src/bin/ltlfilt.cc

@@ -27,9 +27,9 @@
 #include <fstream>
 #include <argp.h>
 #include <cstring>
-#include "progname.h"
 #include "error.h"
 
+#include "common_setup.hh"
 #include "common_finput.hh"
 #include "common_output.hh"
 #include "common_cout.hh"
@@ -501,10 +501,7 @@ namespace
 int
 main(int argc, char** argv)
 {
-  set_program_name(argv[0]);
-  // Simplify the program name, because argp() uses it to report errors
-  // and display help text.
-  argv[0] = const_cast<char*>(program_name);
+  setup(argv);
 
   const argp ap = { options, parse_opt, "[FILENAME...]",
 		    argp_program_doc, children, 0, 0 };

src/bin/randltl.cc

@@ -26,9 +26,9 @@
 #include <argp.h>
 #include <cstdlib>
 #include <iterator>
-#include "progname.h"
 #include "error.h"
 
+#include "common_setup.hh"
 #include "common_output.hh"
 #include "common_range.hh"
 #include "common_r.hh"
@@ -252,10 +252,7 @@ parse_opt(int key, char* arg, struct argp_state*)
 int
 main(int argc, char** argv)
 {
-  set_program_name(argv[0]);
-  // Simplify the program name, because argp() uses it to report errors
-  // and display help text.
-  argv[0] = const_cast<char*>(program_name);
+  setup(argv);
 
   const argp ap = { options, parse_opt, "PROP...", argp_program_doc,
 		    children, 0, 0 };