Adding upstream version 1:2.43.0.upstream/1%2.43.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 159 insertions, 0 deletions

diff --git a/gettext.c b/gettext.c
new file mode 100644
index 0000000..f27e944
--- /dev/null
+++ b/gettext.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2010 Ævar Arnfjörð Bjarmason
+ */
+
+#include "git-compat-util.h"
+#include "abspath.h"
+#include "environment.h"
+#include "exec-cmd.h"
+#include "gettext.h"
+#include "strbuf.h"
+#include "utf8.h"
+#include "config.h"
+
+#ifndef NO_GETTEXT
+#	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)
+{
+	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);
+}