| /* |
| * Copyright (c) 2010 Ævar Arnfjörð Bjarmason |
| */ |
| |
| #include "cache.h" |
| #include "exec-cmd.h" |
| #include "gettext.h" |
| #include "strbuf.h" |
| #include "utf8.h" |
| #include "config.h" |
| |
| #ifndef NO_GETTEXT |
| # include <locale.h> |
| # include <libintl.h> |
| # ifdef GIT_WINDOWS_NATIVE |
| |
| static const char *locale_charset(void) |
| { |
| const char *env = getenv("LC_ALL"), *dot; |
| |
| if (!env || !*env) |
| env = getenv("LC_CTYPE"); |
| if (!env || !*env) |
| env = getenv("LANG"); |
| |
| if (!env) |
| return "UTF-8"; |
| |
| dot = strchr(env, '.'); |
| return !dot ? env : dot + 1; |
| } |
| |
| # elif defined HAVE_LIBCHARSET_H |
| # include <libcharset.h> |
| # else |
| # include <langinfo.h> |
| # define locale_charset() nl_langinfo(CODESET) |
| # endif |
| #endif |
| |
| static const char *charset; |
| |
| /* |
| * Guess the user's preferred languages from the value in LANGUAGE environment |
| * variable and LC_MESSAGES locale category if NO_GETTEXT is not defined. |
| * |
| * The result can be a colon-separated list like "ko:ja:en". |
| */ |
| const char *get_preferred_languages(void) |
| { |
| const char *retval; |
| |
| retval = getenv("LANGUAGE"); |
| if (retval && *retval) |
| return retval; |
| |
| #ifndef NO_GETTEXT |
| retval = setlocale(LC_MESSAGES, NULL); |
| if (retval && *retval && |
| strcmp(retval, "C") && |
| strcmp(retval, "POSIX")) |
| return retval; |
| #endif |
| |
| return NULL; |
| } |
| |
| #ifndef NO_GETTEXT |
| __attribute__((format (printf, 1, 2))) |
| static int test_vsnprintf(const char *fmt, ...) |
| { |
| char buf[26]; |
| int ret; |
| va_list ap; |
| va_start(ap, fmt); |
| ret = vsnprintf(buf, sizeof(buf), fmt, ap); |
| va_end(ap); |
| return ret; |
| } |
| |
| static void init_gettext_charset(const char *domain) |
| { |
| setlocale(LC_CTYPE, ""); |
| charset = locale_charset(); |
| bind_textdomain_codeset(domain, charset); |
| |
| /* |
| * Work around an old bug fixed in glibc 2.17 (released on |
| * 2012-12-24), at the cost of potentially making translated |
| * messages from external functions like perror() emitted in |
| * the wrong encoding. |
| * |
| * The bug affected e.g. git.git's own 7eb93c89651 ([PATCH] |
| * Simplify git script, 2005-09-07), which is the origin of |
| * the "David_K\345gedal" test string. |
| * |
| * See a much longer comment added to this file in 5e9637c6297 |
| * (i18n: add infrastructure for translating Git with gettext, |
| * 2011-11-18) for more details. |
| */ |
| if (test_vsnprintf("%.*s", 13, "David_K\345gedal") < 0) |
| setlocale(LC_CTYPE, "C"); |
| } |
| |
| int git_gettext_enabled = 0; |
| |
| void git_setup_gettext(void) |
| { |
| const char *podir = getenv(GIT_TEXT_DOMAIN_DIR_ENVIRONMENT); |
| char *p = NULL; |
| |
| if (!podir) |
| podir = p = system_path(GIT_LOCALE_PATH); |
| |
| if (!is_directory(podir)) { |
| free(p); |
| return; |
| } |
| |
| bindtextdomain("git", podir); |
| setlocale(LC_MESSAGES, ""); |
| setlocale(LC_TIME, ""); |
| init_gettext_charset("git"); |
| textdomain("git"); |
| |
| git_gettext_enabled = 1; |
| |
| free(p); |
| } |
| |
| /* return the number of columns of string 's' in current locale */ |
| int gettext_width(const char *s) |
| { |
| static int is_utf8 = -1; |
| if (is_utf8 == -1) |
| is_utf8 = is_utf8_locale(); |
| |
| return is_utf8 ? utf8_strwidth(s) : strlen(s); |
| } |
| #endif |
| |
| int is_utf8_locale(void) |
| { |
| #ifdef NO_GETTEXT |
| if (!charset) { |
| const char *env = getenv("LC_ALL"); |
| if (!env || !*env) |
| env = getenv("LC_CTYPE"); |
| if (!env || !*env) |
| env = getenv("LANG"); |
| if (!env) |
| env = ""; |
| if (strchr(env, '.')) |
| env = strchr(env, '.') + 1; |
| charset = xstrdup(env); |
| } |
| #endif |
| return is_encoding_utf8(charset); |
| } |