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b524e896b6
* maint-2.30: (23 commits) Git 2.30.9 gettext: avoid using gettext if the locale dir is not present apply --reject: overwrite existing `.rej` symlink if it exists http.c: clear the 'finished' member once we are done with it clone.c: avoid "exceeds maximum object size" error with GCC v12.x range-diff: use ssize_t for parsed "len" in read_patches() range-diff: handle unterminated lines in read_patches() range-diff: drop useless "offset" variable from read_patches() t5604: GETTEXT_POISON fix, conclusion t5604: GETTEXT_POISON fix, part 1 t5619: GETTEXT_POISON fix t0003: GETTEXT_POISON fix, conclusion t0003: GETTEXT_POISON fix, part 1 t0033: GETTEXT_POISON fix http: support CURLOPT_PROTOCOLS_STR http: prefer CURLOPT_SEEKFUNCTION to CURLOPT_IOCTLFUNCTION http-push: prefer CURLOPT_UPLOAD to CURLOPT_PUT ci: install python on ubuntu ci: use the same version of p4 on both Linux and macOS ci: remove the pipe after "p4 -V" to catch errors github-actions: run gcc-8 on ubuntu-20.04 image ...
159 lines
3.2 KiB
C
159 lines
3.2 KiB
C
/*
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* Copyright (c) 2010 Ævar Arnfjörð Bjarmason
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*/
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#include "cache.h"
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#include "exec-cmd.h"
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#include "gettext.h"
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#include "strbuf.h"
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#include "utf8.h"
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#include "config.h"
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#ifndef NO_GETTEXT
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# include <locale.h>
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# include <libintl.h>
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# ifdef GIT_WINDOWS_NATIVE
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static const char *locale_charset(void)
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{
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const char *env = getenv("LC_ALL"), *dot;
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if (!env || !*env)
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env = getenv("LC_CTYPE");
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if (!env || !*env)
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env = getenv("LANG");
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if (!env)
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return "UTF-8";
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dot = strchr(env, '.');
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return !dot ? env : dot + 1;
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}
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# elif defined HAVE_LIBCHARSET_H
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# include <libcharset.h>
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# else
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# include <langinfo.h>
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# define locale_charset() nl_langinfo(CODESET)
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# endif
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#endif
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static const char *charset;
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/*
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* Guess the user's preferred languages from the value in LANGUAGE environment
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* variable and LC_MESSAGES locale category if NO_GETTEXT is not defined.
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*
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* The result can be a colon-separated list like "ko:ja:en".
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*/
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const char *get_preferred_languages(void)
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{
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const char *retval;
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retval = getenv("LANGUAGE");
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if (retval && *retval)
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return retval;
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#ifndef NO_GETTEXT
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retval = setlocale(LC_MESSAGES, NULL);
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if (retval && *retval &&
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strcmp(retval, "C") &&
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strcmp(retval, "POSIX"))
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return retval;
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#endif
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return NULL;
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}
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#ifndef NO_GETTEXT
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static int test_vsnprintf(const char *fmt, ...)
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{
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char buf[26];
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int ret;
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va_list ap;
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va_start(ap, fmt);
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ret = vsnprintf(buf, sizeof(buf), fmt, ap);
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va_end(ap);
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return ret;
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}
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static void init_gettext_charset(const char *domain)
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{
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setlocale(LC_CTYPE, "");
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charset = locale_charset();
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bind_textdomain_codeset(domain, charset);
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/*
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* Work around an old bug fixed in glibc 2.17 (released on
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* 2012-12-24), at the cost of potentially making translated
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* messages from external functions like perror() emitted in
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* the wrong encoding.
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*
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* The bug affected e.g. git.git's own 7eb93c89651 ([PATCH]
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* Simplify git script, 2005-09-07), which is the origin of
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* the "David_K\345gedal" test string.
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*
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* See a much longer comment added to this file in 5e9637c6297
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* (i18n: add infrastructure for translating Git with gettext,
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* 2011-11-18) for more details.
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*/
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if (test_vsnprintf("%.*s", 13, "David_K\345gedal") < 0)
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setlocale(LC_CTYPE, "C");
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}
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int git_gettext_enabled = 0;
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void git_setup_gettext(void)
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{
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const char *podir = getenv(GIT_TEXT_DOMAIN_DIR_ENVIRONMENT);
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char *p = NULL;
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if (!podir)
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podir = p = system_path(GIT_LOCALE_PATH);
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if (!is_directory(podir)) {
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free(p);
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return;
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}
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bindtextdomain("git", podir);
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setlocale(LC_MESSAGES, "");
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setlocale(LC_TIME, "");
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init_gettext_charset("git");
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textdomain("git");
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git_gettext_enabled = 1;
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free(p);
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}
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/* return the number of columns of string 's' in current locale */
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int gettext_width(const char *s)
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{
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static int is_utf8 = -1;
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if (is_utf8 == -1)
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is_utf8 = is_utf8_locale();
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return is_utf8 ? utf8_strwidth(s) : strlen(s);
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}
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#endif
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int is_utf8_locale(void)
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{
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#ifdef NO_GETTEXT
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if (!charset) {
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const char *env = getenv("LC_ALL");
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if (!env || !*env)
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env = getenv("LC_CTYPE");
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if (!env || !*env)
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env = getenv("LANG");
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if (!env)
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env = "";
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if (strchr(env, '.'))
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env = strchr(env, '.') + 1;
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charset = xstrdup(env);
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}
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#endif
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return is_encoding_utf8(charset);
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}
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