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A backport of https://github.com/octo/liboping/pull/61
--- a/src/oping.c
+++ b/src/oping.c
@@ -1125,7 +1125,7 @@ static int update_graph_prettyping (ping_context_t *ctx, /* {{{ */
wattron (ctx->window, COLOR_PAIR(color));
if (has_utf8())
- mvwprintw (ctx->window, /* y = */ 3, /* x = */ x + 2, symbol);
+ mvwprintw (ctx->window, /* y = */ 3, /* x = */ x + 2, "%s", symbol);
else
mvwaddch (ctx->window, /* y = */ 3, /* x = */ x + 2, symbolc);
@@ -1222,7 +1222,7 @@ static int update_graph_histogram (ping_context_t *ctx) /* {{{ */
if (counters[x] == 0)
mvwaddch (ctx->window, /* y = */ 3, /* x = */ x + 2, ' ');
else if (has_utf8 ())
- mvwprintw (ctx->window, /* y = */ 3, /* x = */ x + 2,
+ mvwprintw (ctx->window, /* y = */ 3, /* x = */ x + 2, "%s",
hist_symbols_utf8[index]);
else
mvwaddch (ctx->window, /* y = */ 3, /* x = */ x + 2,
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