apply: simplify build_fake_ancestor()

diff --git a/gettext.c b/gettext.c
index f75bca7f56b7b27c135d92acba816c40211fdece..71e954563d7068500bd41269dd57f01b097f7c3d 100644 (file)
--- a/gettext.c
+++ b/gettext.c
@@ -4,6 +4,8 @@
 
 #include "git-compat-util.h"
 #include "gettext.h"
+#include "strbuf.h"
+#include "utf8.h"
 
 #ifndef NO_GETTEXT
 #      include <locale.h>
@@ -27,10 +29,9 @@ int use_gettext_poison(void)
 #endif
 
 #ifndef NO_GETTEXT
+static const char *charset;
 static void init_gettext_charset(const char *domain)
 {
-       const char *charset;
-
        /*
           This trick arranges for messages to be emitted in the user's
           requested encoding, but avoids setting LC_CTYPE from the
@@ -128,4 +129,14 @@ void git_setup_gettext(void)
        init_gettext_charset("git");
        textdomain("git");
 }
+
+/* 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 = !strcmp(charset, "UTF-8");
+
+       return is_utf8 ? utf8_strwidth(s) : strlen(s);
+}
 #endif