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🎥 Command line media player
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C
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273/* * User language lookup for generic POSIX platforms * * This file is part of mpv. * * mpv is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * mpv is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with mpv. If not, see <http://www.gnu.org/licenses/>. */
#include "misc/language.h"#include "mpv_talloc.h"
#include <stddef.h>
char **mp_get_user_langs(void){ static const char *const list[] = { "LC_ALL", "LC_MESSAGES", "LANG", NULL };
size_t nb = 0; char **ret = NULL; bool has_c = false;
// Prefer anything we get from LANGUAGE first for (const char *langList = getenv("LANGUAGE"); langList && *langList;) { size_t len = strcspn(langList, ":"); MP_TARRAY_GROW(NULL, ret, nb); ret[nb++] = talloc_strndup(ret, langList, len); langList += len; while (*langList == ':') langList++; }
// Then, the language components of other relevant locale env vars for (int i = 0; list[i]; i++) { const char *envval = getenv(list[i]); if (envval && *envval) { size_t len = strcspn(envval, ".@"); if (!strncmp("C", envval, len)) { has_c = true; continue; }
MP_TARRAY_GROW(NULL, ret, nb); ret[nb++] = talloc_strndup(ret, envval, len); } }
if (has_c && !nb) { MP_TARRAY_GROW(NULL, ret, nb); ret[nb++] = talloc_strdup(ret, "en"); }
// Null-terminate the list MP_TARRAY_APPEND(NULL, ret, nb, NULL);
return ret;}