* Copyright (c) 2010 Ævar Arnfjörð Bjarmason
*/
-#include "git-compat-util.h"
+#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>
# endif
#endif
-#ifdef GETTEXT_POISON
+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;
+}
+
int use_gettext_poison(void)
{
static int poison_requested = -1;
- if (poison_requested == -1)
- poison_requested = getenv("GIT_GETTEXT_POISON") ? 1 : 0;
+ if (poison_requested == -1) {
+ const char *v = getenv("GIT_TEST_GETTEXT_POISON");
+ poison_requested = v && strlen(v) ? 1 : 0;
+ }
return poison_requested;
}
-#endif
#ifndef NO_GETTEXT
-static const char *charset;
+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)
{
/*
$ LANGUAGE= LANG=de_DE.utf8 ./test
test: Kein passendes Ger?t gefunden
- In the long term we should probably see about getting that
- vsnprintf bug in glibc fixed, and audit our code so it won't
- fall apart under a non-C locale.
+ The vsnprintf bug has been fixed since glibc 2.17.
Then we could simply set LC_CTYPE from the environment, which would
make things like the external perror(3) messages work.
setlocale(LC_CTYPE, "");
charset = locale_charset();
bind_textdomain_codeset(domain, charset);
- setlocale(LC_CTYPE, "C");
+ /* the string is taken from v0.99.6~1 */
+ if (test_vsnprintf("%.*s", 13, "David_K\345gedal") < 0)
+ setlocale(LC_CTYPE, "C");
}
void git_setup_gettext(void)
{
- const char *podir = getenv("GIT_TEXTDOMAINDIR");
+ const char *podir = getenv(GIT_TEXT_DOMAIN_DIR_ENVIRONMENT);
+ char *p = NULL;
if (!podir)
- podir = GIT_LOCALE_PATH;
+ podir = p = system_path(GIT_LOCALE_PATH);
+
+ use_gettext_poison(); /* getenv() reentrancy paranoia */
+
+ if (!is_directory(podir)) {
+ free(p);
+ return;
+ }
+
bindtextdomain("git", podir);
setlocale(LC_MESSAGES, "");
+ setlocale(LC_TIME, "");
init_gettext_charset("git");
textdomain("git");
+
+ free(p);
}
/* return the number of columns of string 's' in current locale */
{
static int is_utf8 = -1;
if (is_utf8 == -1)
- is_utf8 = !strcmp(charset, "UTF-8");
+ 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);
+}