| 1 | /* Copyright (C) 1996, 1997, 2000, 2001, 2006, 2008, |
| 2 | * 2011, 2013 Free Software Foundation, Inc. |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public License |
| 6 | * as published by the Free Software Foundation; either version 3 of |
| 7 | * the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This library is distributed in the hope that it will be useful, but |
| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with this library; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 17 | * 02110-1301 USA |
| 18 | */ |
| 19 | |
| 20 | /* This is the 'main' function for the `guile' executable. It is not |
| 21 | included in libguile.a. |
| 22 | |
| 23 | Eventually, we hope this file will be automatically generated, |
| 24 | based on the list of installed, statically linked libraries on the |
| 25 | system. For now, please don't put interesting code in here. */ |
| 26 | |
| 27 | #ifdef HAVE_CONFIG_H |
| 28 | # include <config.h> |
| 29 | #endif |
| 30 | |
| 31 | #ifdef __MINGW32__ |
| 32 | # define SCM_IMPORT 1 |
| 33 | #endif |
| 34 | #include <libguile.h> |
| 35 | |
| 36 | #ifdef HAVE_CONFIG_H |
| 37 | #include <libguile/scmconfig.h> |
| 38 | #endif |
| 39 | #include <ltdl.h> |
| 40 | #include <locale.h> |
| 41 | |
| 42 | #ifdef HAVE_WINSOCK2_H |
| 43 | #include <winsock2.h> |
| 44 | #endif |
| 45 | |
| 46 | static void |
| 47 | inner_main (void *closure SCM_UNUSED, int argc, char **argv) |
| 48 | { |
| 49 | #ifdef __MINGW32__ |
| 50 | /* This is necessary to startup the Winsock API under Win32. */ |
| 51 | WSADATA WSAData; |
| 52 | WSAStartup (0x0202, &WSAData); |
| 53 | #endif /* __MINGW32__ */ |
| 54 | |
| 55 | /* module initializations would go here */ |
| 56 | scm_shell (argc, argv); |
| 57 | |
| 58 | #ifdef __MINGW32__ |
| 59 | WSACleanup (); |
| 60 | #endif /* __MINGW32__ */ |
| 61 | } |
| 62 | |
| 63 | static int |
| 64 | get_integer_from_environment (const char *var, int def) |
| 65 | { |
| 66 | char *end = 0; |
| 67 | char *val = getenv (var); |
| 68 | long res = def; |
| 69 | if (!val) |
| 70 | return def; |
| 71 | res = strtol (val, &end, 10); |
| 72 | if (end == val) |
| 73 | { |
| 74 | fprintf (stderr, "guile: warning: invalid %s: %s\n", var, val); |
| 75 | return def; |
| 76 | } |
| 77 | return res; |
| 78 | } |
| 79 | |
| 80 | static int |
| 81 | should_install_locale (void) |
| 82 | { |
| 83 | /* If the GUILE_INSTALL_LOCALE environment variable is unset, |
| 84 | or set to a nonzero value, we should install the locale via |
| 85 | setlocale(). */ |
| 86 | return get_integer_from_environment ("GUILE_INSTALL_LOCALE", 1); |
| 87 | } |
| 88 | |
| 89 | int |
| 90 | main (int argc, char **argv) |
| 91 | { |
| 92 | /* If we should install a locale, do it right at the beginning so that |
| 93 | string conversion for command-line arguments, along with possible |
| 94 | error messages, use the right locale. See |
| 95 | <https://lists.gnu.org/archive/html/guile-devel/2011-11/msg00041.html> |
| 96 | for the rationale. */ |
| 97 | if (should_install_locale () && setlocale (LC_ALL, "") == NULL) |
| 98 | fprintf (stderr, "guile: warning: failed to install locale\n"); |
| 99 | |
| 100 | scm_install_gmp_memory_functions = 1; |
| 101 | scm_boot_guile (argc, argv, inner_main, 0); |
| 102 | return 0; /* never reached */ |
| 103 | } |
| 104 | |
| 105 | /* |
| 106 | Local Variables: |
| 107 | c-file-style: "gnu" |
| 108 | End: |
| 109 | */ |