diff options
| -rw-r--r-- | degesch.c | 14 |
1 files changed, 12 insertions, 2 deletions
@@ -5056,6 +5056,16 @@ make_prompt (struct app_context *ctx, struct str *output) } static void +input_maybe_set_prompt (struct input *self, char *new_prompt) +{ + // Redisplay can be an expensive operation + if (self->prompt && !strcmp (new_prompt, self->prompt)) + free (new_prompt); + else + input_set_prompt (self, new_prompt); +} + +static void refresh_prompt (struct app_context *ctx) { bool have_attributes = !!get_attribute_printer (stdout); @@ -5070,7 +5080,7 @@ refresh_prompt (struct app_context *ctx) if (have_attributes) { // XXX: to be completely correct, we should use tputs, but we cannot - input_set_prompt (&ctx->input, xstrdup_printf ("%c%s%c%s%c%s%c", + input_maybe_set_prompt (&ctx->input, xstrdup_printf ("%c%s%c%s%c%s%c", INPUT_START_IGNORE, ctx->attrs[ATTR_PROMPT], INPUT_END_IGNORE, localized, @@ -5079,7 +5089,7 @@ refresh_prompt (struct app_context *ctx) free (localized); } else - input_set_prompt (&ctx->input, localized); + input_maybe_set_prompt (&ctx->input, localized); } // --- Helpers ----------------------------------------------------------------- |