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7f893030ab
* libguile/guile.c (get_integer_from_environment) (should_install_locale): New functions. (main): Add `setlocale' call. * doc/ref/guile-invoke.texi (Environment Variables): Add documentation.
116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
/* Copyright (C) 1996, 1997, 2000, 2001, 2006, 2008,
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* 2011, 2013 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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/* This is the 'main' function for the `guile' executable. It is not
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included in libguile.a.
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Eventually, we hope this file will be automatically generated,
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based on the list of installed, statically linked libraries on the
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system. For now, please don't put interesting code in here. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef __MINGW32__
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# define SCM_IMPORT 1
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#endif
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#include <libguile.h>
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#ifdef HAVE_CONFIG_H
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#include <libguile/scmconfig.h>
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#endif
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#include <ltdl.h>
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#include <locale.h>
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#ifdef HAVE_WINSOCK2_H
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#include <winsock2.h>
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#endif
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/* Debugger interface (don't change the order of the following lines) */
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#define GDB_TYPE SCM
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#include <libguile/gdb_interface.h>
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GDB_INTERFACE;
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static void
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inner_main (void *closure SCM_UNUSED, int argc, char **argv)
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{
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#ifdef __MINGW32__
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/* This is necessary to startup the Winsock API under Win32. */
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WSADATA WSAData;
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WSAStartup (0x0202, &WSAData);
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GDB_INTERFACE_INIT;
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#endif /* __MINGW32__ */
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/* module initializations would go here */
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scm_shell (argc, argv);
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#ifdef __MINGW32__
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WSACleanup ();
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#endif /* __MINGW32__ */
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}
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static int
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get_integer_from_environment (const char *var, int def)
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{
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char *end = 0;
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char *val = getenv (var);
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long res = def;
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if (!val)
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return def;
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res = strtol (val, &end, 10);
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if (end == val)
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{
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fprintf (stderr, "guile: warning: invalid %s: %s\n", var, val);
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return def;
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}
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return res;
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}
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static int
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should_install_locale (void)
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{
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/* If the GUILE_INSTALL_LOCALE environment variable is set to a
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nonzero value, we should install the locale via setlocale(). This
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behavior is off by default for compatibility with previous 2.0.x
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releases. It will be on by default in 2.2. */
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return get_integer_from_environment ("GUILE_INSTALL_LOCALE", 0);
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}
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int
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main (int argc, char **argv)
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{
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/* If we should install a locale, do it right at the beginning so that
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string conversion for command-line arguments, along with possible
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error messages, use the right locale. See
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<https://lists.gnu.org/archive/html/guile-devel/2011-11/msg00041.html>
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for the rationale. */
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if (should_install_locale () && setlocale (LC_ALL, "") == NULL)
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fprintf (stderr, "guile: warning: failed to install locale\n");
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scm_install_gmp_memory_functions = 1;
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scm_boot_guile (argc, argv, inner_main, 0);
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return 0; /* never reached */
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}
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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