| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| |
| #include "../SDL_internal.h" |
| #include "SDL_syslocale.h" |
| #include "SDL_hints.h" |
| |
| static SDL_Locale *build_locales_from_csv_string(char *csv) |
| { |
| size_t num_locales = 1; /* at least one */ |
| size_t slen; |
| size_t alloclen; |
| char *ptr; |
| SDL_Locale *loc; |
| SDL_Locale *retval; |
| |
| if (csv == NULL || !csv[0]) { |
| return NULL; /* nothing to report */ |
| } |
| |
| for (ptr = csv; *ptr; ptr++) { |
| if (*ptr == ',') { |
| num_locales++; |
| } |
| } |
| |
| num_locales++; /* one more for terminator */ |
| |
| slen = ((size_t)(ptr - csv)) + 1; /* SDL_strlen(csv) + 1 */ |
| alloclen = slen + (num_locales * sizeof(SDL_Locale)); |
| |
| loc = retval = (SDL_Locale *)SDL_calloc(1, alloclen); |
| if (retval == NULL) { |
| SDL_OutOfMemory(); |
| return NULL; /* oh well */ |
| } |
| ptr = (char *)(retval + num_locales); |
| SDL_strlcpy(ptr, csv, slen); |
| |
| while (SDL_TRUE) { /* parse out the string */ |
| while (*ptr == ' ') { |
| ptr++; /* skip whitespace. */ |
| } |
| |
| if (*ptr == '\0') { |
| break; |
| } |
| loc->language = ptr++; |
| while (SDL_TRUE) { |
| const char ch = *ptr; |
| if (ch == '_') { |
| *(ptr++) = '\0'; |
| loc->country = ptr; |
| } else if (ch == ' ') { |
| *(ptr++) = '\0'; /* trim ending whitespace and keep going. */ |
| } else if (ch == ',') { |
| *(ptr++) = '\0'; |
| loc++; |
| break; |
| } else if (ch == '\0') { |
| loc++; |
| break; |
| } else { |
| ptr++; /* just keep going, still a valid string */ |
| } |
| } |
| } |
| |
| return retval; |
| } |
| |
| SDL_Locale *SDL_GetPreferredLocales(void) |
| { |
| char locbuf[128]; /* enough for 21 "xx_YY," language strings. */ |
| const char *hint = SDL_GetHint(SDL_HINT_PREFERRED_LOCALES); |
| if (hint) { |
| SDL_strlcpy(locbuf, hint, sizeof(locbuf)); |
| } else { |
| SDL_zeroa(locbuf); |
| SDL_SYS_GetPreferredLocales(locbuf, sizeof(locbuf)); |
| } |
| return build_locales_from_csv_string(locbuf); |
| } |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |