move unicode detection to a separate function

this will ease transition to a commandline option override

diff --git a/src/oping.c b/src/oping.c
index 0cb084f..aa99ef9 100644 (file)
--- a/src/oping.c
+++ b/src/oping.c
@@ -635,6 +635,11 @@ static void time_calc (struct timespec *ts_dest, /* {{{ */
 } /* }}} void time_calc */
 
 #if USE_NCURSES
+static int unicode_locale() /* {{{ */
+{
+       return _nc_unicode_locale();
+} /* }}} int unicode_locale */
+
 static int update_prettyping_graph (ping_context_t *ctx, /* {{{ */
                double latency, unsigned int sequence)
 {
@@ -650,7 +655,7 @@ static int update_prettyping_graph (ping_context_t *ctx, /* {{{ */
        x_max = getmaxx (ctx->window);
        x_pos = ((sequence - 1) % (x_max - 4)) + 2;
 
-       if (_nc_unicode_locale())
+       if (unicode_locale())
        {
                hist_symbols_num = hist_symbols_utf8_num;
        }
@@ -676,7 +681,7 @@ static int update_prettyping_graph (ping_context_t *ctx, /* {{{ */
                assert (index_colors < hist_colors_num);
 
                index_symbols = intensity % hist_symbols_num;
-               if (_nc_unicode_locale())
+               if (unicode_locale())
                {
                        color = hist_colors_utf8[index_colors];
                        symbol = hist_symbols_utf8[index_symbols];
@@ -691,7 +696,7 @@ static int update_prettyping_graph (ping_context_t *ctx, /* {{{ */
                wattron (ctx->window, A_BOLD);
 
        wattron (ctx->window, COLOR_PAIR(color));
-       if (_nc_unicode_locale())
+       if (unicode_locale())
        {
                mvwprintw (ctx->window,
                           /* y = */ 3,