1 /* Native functions for locale handling. 2 3 Copyright (C) 2016, 2017 Paul Boddie <paul@boddie.org.uk> 4 5 This program is free software; you can redistribute it and/or modify it under 6 the terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3 of the License, or (at your option) any later 8 version. 9 10 This program is distributed in the hope that it will be useful, but WITHOUT 11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 12 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 13 details. 14 15 You should have received a copy of the GNU General Public License along with 16 this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #include <locale.h> /* setlocale */ 20 #include <string.h> /* strlen */ 21 #include "native/common.h" 22 #include "types.h" 23 #include "exceptions.h" 24 #include "ops.h" 25 #include "progconsts.h" 26 #include "progops.h" 27 #include "progtypes.h" 28 #include "main.h" 29 30 /* Locales. */ 31 32 __attr __fn_native_locale_getlocale(__attr __args[]) 33 { 34 __attr * const category = &__args[1]; 35 /* category.__data__ interpreted as int */ 36 int cat = __load_via_object(category->value, __data__).intvalue; 37 char *result, *out; 38 size_t length; 39 40 result = setlocale(cat, NULL); 41 42 if (result == NULL) 43 return __builtins___none_None; 44 45 length = strlen(result); 46 out = __ALLOCATE(length + 1, sizeof(char)); 47 strncpy(out, result, length); 48 49 return __new_str(result, length); 50 } 51 52 __attr __fn_native_locale_setlocale(__attr __args[]) 53 { 54 __attr * const category = &__args[1]; 55 __attr * const value = &__args[2]; 56 /* category.__data__ interpreted as int */ 57 int cat = __load_via_object(category->value, __data__).intvalue; 58 /* value.__data__ interpreted as string */ 59 char *s = __load_via_object(value->value, __data__).strvalue; 60 char *result, *out; 61 size_t length; 62 63 result = setlocale(cat, s); 64 65 if (result == NULL) 66 return __builtins___none_None; 67 68 length = strlen(result); 69 out = __ALLOCATE(length + 1, sizeof(char)); 70 strncpy(out, result, length); 71 72 return __new_str(result, length); 73 } 74 75 /* Module initialisation. */ 76 77 void __main_native_locale() 78 { 79 }