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 __self, __attr category) 33 { 34 /* category interpreted as int */ 35 int cat = __TOINT(category); 36 char *result, *out; 37 size_t length; 38 39 result = setlocale(cat, NULL); 40 41 if (result == NULL) 42 return __builtins___none_None; 43 44 length = strlen(result); 45 out = __ALLOCATE(length + 1, sizeof(char)); 46 strncpy(out, result, length); 47 48 return __new_str(result, length); 49 } 50 51 __attr __fn_native_locale_setlocale(__attr __self, __attr category, __attr value) 52 { 53 /* category interpreted as int */ 54 int cat = __TOINT(category); 55 /* value interpreted as string */ 56 char *s = __load_via_object(__VALUE(value), __data__).strvalue; 57 char *result, *out; 58 size_t length; 59 60 result = setlocale(cat, s); 61 62 if (result == NULL) 63 return __builtins___none_None; 64 65 length = strlen(result); 66 out = __ALLOCATE(length + 1, sizeof(char)); 67 strncpy(out, result, length); 68 69 return __new_str(result, length); 70 } 71 72 /* Module initialisation. */ 73 74 void __main_native_locale() 75 { 76 }