src/oping.h: Don't use the ncurses internal _nc_unicode_locale() function.

[liboping.git] / src / oping.c

diff --git a/src/oping.c b/src/oping.c
index c8d3cdfd104101d2ae4dffc75fd04fd22aa53aa9..eb16469fb0b4c2043b39383e2edd896d94594c05 100644 (file)
--- a/src/oping.c
+++ b/src/oping.c
@@ -75,6 +75,7 @@
 #endif
 
 #include <locale.h>
+#include <langinfo.h>
 
 #if USE_NCURSES
 # define NCURSES_OPAQUE 1
@@ -82,11 +83,6 @@
 # define _X_OPEN_SOURCE_EXTENDED
 # include <ncursesw/ncurses.h>
 
-/* some evilness: ncurses knows how to detect unicode, but won't
-   expose it, yet there's this function that does what we want, so we
-   steal it away from it */
-extern int    _nc_unicode_locale(void);
-
 # define OPING_GREEN 1
 # define OPING_YELLOW 2
 # define OPING_RED 3
@@ -159,8 +155,7 @@ static char   *opt_filename   = NULL;
 static int     opt_count      = -1;
 static int     opt_send_ttl   = 64;
 static uint8_t opt_send_qos   = 0;
-static int     opt_utf8_force = 0;
-static int     opt_utf8_disable = 0;
+static int     opt_utf8       = 0;
 
 static int host_num = 0;
 
@@ -520,10 +515,10 @@ static int read_options (int argc, char **argv) /* {{{ */
                                break;
 
                        case 'u':
-                               opt_utf8_force = 1;
+                               opt_utf8 = 2;
                                break;
                        case 'U':
-                               opt_utf8_disable = 1;
+                               opt_utf8 = 1;
                                break;
 
                        case 'c':
@@ -593,9 +588,6 @@ static int read_options (int argc, char **argv) /* {{{ */
                }
        }
 
-       if (opt_utf8_disable && opt_utf8_force)
-               fprintf (stderr, "Ignoring contradictory unicode flags\n");
-
        return (optind);
 } /* }}} read_options */
 
@@ -647,10 +639,18 @@ static void time_calc (struct timespec *ts_dest, /* {{{ */
 } /* }}} void time_calc */
 
 #if USE_NCURSES
-static int unicode_locale() /* {{{ */
+static _Bool has_utf8() /* {{{ */
 {
-       return ( _nc_unicode_locale() || opt_utf8_force ) && !opt_utf8_disable;
-} /* }}} int unicode_locale */
+       if (!opt_utf8)
+       {
+               /* Automatically determine */
+               if (strcasecmp ("UTF-8", nl_langinfo (CODESET)) == 0)
+                       opt_utf8 = 2;
+               else
+                       opt_utf8 = 1;
+       }
+       return ((_Bool) (opt_utf8 - 1));
+} /* }}} _Bool has_utf8 */
 
 static int update_prettyping_graph (ping_context_t *ctx, /* {{{ */
                double latency, unsigned int sequence)
@@ -667,7 +667,7 @@ static int update_prettyping_graph (ping_context_t *ctx, /* {{{ */
        x_max = getmaxx (ctx->window);
        x_pos = ((sequence - 1) % (x_max - 4)) + 2;
 
-       if (unicode_locale())
+       if (has_utf8())
        {
                hist_symbols_num = hist_symbols_utf8_num;
        }
@@ -693,7 +693,7 @@ static int update_prettyping_graph (ping_context_t *ctx, /* {{{ */
                assert (index_colors < hist_colors_num);
 
                index_symbols = intensity % hist_symbols_num;
-               if (unicode_locale())
+               if (has_utf8())
                {
                        color = hist_colors_utf8[index_colors];
                        symbol = hist_symbols_utf8[index_symbols];
@@ -708,7 +708,7 @@ static int update_prettyping_graph (ping_context_t *ctx, /* {{{ */
                wattron (ctx->window, A_BOLD);
 
        wattron (ctx->window, COLOR_PAIR(color));
-       if (unicode_locale())
+       if (has_utf8())
        {
                mvwprintw (ctx->window,
                           /* y = */ 3,