degesch: use formatting in the backlog
It's a rather crude solution to just pipe the raw terminfo strings to less but hey, it works.
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a28528d260
commit
cdf6544c94
90
degesch.c
90
degesch.c
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@ -1642,10 +1642,6 @@ static struct config_schema g_config_behaviour[] =
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.type = CONFIG_ITEM_BOOLEAN,
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.default_ = "off",
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.on_change = on_config_logging_change },
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{ .name = "backlog_helper",
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.comment = "Shell command to display a buffer's history",
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.type = CONFIG_ITEM_STRING,
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.default_ = "\"LESSSECURE=1 less -M -R +G\"" },
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{ .name = "save_on_quit",
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.comment = "Save configuration before quitting",
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.type = CONFIG_ITEM_BOOLEAN,
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@ -1656,6 +1652,18 @@ static struct config_schema g_config_behaviour[] =
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.default_ = "off",
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.on_change = on_config_debug_mode_change },
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// We use -r here rather than -R because of GNU screen,
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// which has an ^O in its string to reset formatting attributes
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{ .name = "backlog_helper",
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.comment = "Shell command to display a buffer's history",
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.type = CONFIG_ITEM_STRING,
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.default_ = "\"LESSSECURE=1 less -M -r +G\"" },
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{ .name = "backlog_helper_strip_formatting",
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.comment = "Strip formatting from backlog helper input",
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.type = CONFIG_ITEM_BOOLEAN,
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.default_ = "off" },
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{ .name = "reconnect_delay_growing",
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.comment = "Growing factor for reconnect delay",
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.type = CONFIG_ITEM_INTEGER,
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@ -2068,7 +2076,7 @@ enum
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struct attribute_printer
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{
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struct app_context *ctx; ///< Application context
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terminal_printer_fn printer; ///< Terminal printer
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FILE *stream; ///< Output stream
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bool dirty; ///< Attributes are set
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int want; ///< Desired attributes
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@ -2076,21 +2084,33 @@ struct attribute_printer
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int want_background; ///< Desired background color
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};
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static void
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attribute_printer_tputs (struct attribute_printer *self, const char *attr)
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{
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terminal_printer_fn printer = get_attribute_printer (self->stream);
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if (printer)
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tputs (attr, 1, printer);
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else
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// We shouldn't really do this but we need it to
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// output formatting to the backlog
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fputs (attr, self->stream);
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}
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static void
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attribute_printer_reset (struct attribute_printer *self)
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{
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if (self->dirty)
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tputs (self->ctx->attrs[ATTR_RESET], 1, self->printer);
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attribute_printer_tputs (self, self->ctx->attrs[ATTR_RESET]);
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self->dirty = false;
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}
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static void
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attribute_printer_init (struct attribute_printer *self,
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struct app_context *ctx, terminal_printer_fn printer)
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struct app_context *ctx, FILE *stream)
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{
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self->ctx = ctx;
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self->printer = printer;
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self->stream = stream;
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self->dirty = true;
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self->want = 0;
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@ -2104,7 +2124,7 @@ attribute_printer_apply (struct attribute_printer *self, int attribute)
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attribute_printer_reset (self);
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if (attribute != ATTR_RESET)
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{
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tputs (self->ctx->attrs[attribute], 1, self->printer);
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attribute_printer_tputs (self, self->ctx->attrs[attribute]);
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self->dirty = true;
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}
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}
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@ -2192,7 +2212,7 @@ attribute_printer_update (struct attribute_printer *self)
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attribute_printer_reset (self);
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if (attributes)
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tputs (tparm (set_attributes,
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attribute_printer_tputs (self, tparm (set_attributes,
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0, // standout
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attributes & ATTRIBUTE_UNDERLINE,
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attributes & ATTRIBUTE_INVERSE,
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@ -2201,15 +2221,14 @@ attribute_printer_update (struct attribute_printer *self)
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attributes & ATTRIBUTE_BOLD,
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0, // blank
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0, // protect
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0) // acs
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, 1, self->printer);
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0)); // acs
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if (enter_italics_mode && (attributes & ATTRIBUTE_ITALIC))
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tputs (enter_italics_mode, 1, self->printer);
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attribute_printer_tputs (self, enter_italics_mode);
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if (fg >= 0)
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tputs (g_terminal.color_set_fg[fg], 1, self->printer);
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attribute_printer_tputs (self, g_terminal.color_set_fg[fg]);
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if (bg >= 0)
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tputs (g_terminal.color_set_bg[bg], 1, self->printer);
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attribute_printer_tputs (self, g_terminal.color_set_bg[bg]);
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self->dirty = true;
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}
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@ -2677,10 +2696,9 @@ formatter_flush_text (struct app_context *ctx, const char *text, FILE *stream)
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}
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static void
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formatter_flush (struct formatter *self, FILE *stream)
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formatter_flush (struct formatter *self, FILE *stream, bool raw_attributes)
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{
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terminal_printer_fn printer = get_attribute_printer (stream);
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if (!printer)
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if (!raw_attributes && !get_attribute_printer (stream))
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{
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LIST_FOR_EACH (struct formatter_item, iter, self->items)
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if (iter->type == FORMATTER_ITEM_TEXT)
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@ -2689,7 +2707,7 @@ formatter_flush (struct formatter *self, FILE *stream)
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}
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struct attribute_printer state;
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attribute_printer_init (&state, self->ctx, printer);
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attribute_printer_init (&state, self->ctx, stream);
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attribute_printer_reset (&state);
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int attribute_ignore = 0;
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@ -2733,7 +2751,8 @@ buffer_update_time (struct app_context *ctx, time_t now)
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}
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static void
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buffer_line_flush (struct buffer_line *line, struct formatter *f, FILE *output)
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buffer_line_flush (struct buffer_line *line, struct formatter *f, FILE *output,
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bool raw_attributes)
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{
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int flags = line->flags;
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if (flags & BUFFER_LINE_INDENT) formatter_add (f, " ");
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@ -2742,7 +2761,7 @@ buffer_line_flush (struct buffer_line *line, struct formatter *f, FILE *output)
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formatter_add_from (f, line->formatter);
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formatter_add (f, "\n");
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formatter_flush (f, output);
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formatter_flush (f, output, raw_attributes);
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formatter_free (f);
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}
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@ -2775,12 +2794,32 @@ buffer_line_display (struct app_context *ctx,
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}
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input_hide (&ctx->input);
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buffer_line_flush (line, &f, stdout);
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buffer_line_flush (line, &f, stdout, false);
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// Flush the trailing formatting reset item
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fflush (stdout);
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input_show (&ctx->input);
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}
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static void
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buffer_line_write_to_backlog (struct app_context *ctx,
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struct buffer_line *line, FILE *log_file)
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{
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struct formatter f;
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formatter_init (&f, ctx, NULL);
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struct tm current;
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char buf[20];
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if (!localtime_r (&line->when, ¤t))
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print_error ("%s: %s", "localtime_r", strerror (errno));
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else if (!strftime (buf, sizeof buf, "%F %T", ¤t))
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print_error ("%s: %s", "strftime", "buffer too small");
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else
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formatter_add (&f, "#a#s#r ", ATTR_TIMESTAMP, buf);
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buffer_line_flush (line, &f, log_file, !get_config_boolean
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(ctx->config.root, "behaviour.backlog_helper_strip_formatting"));
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}
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static void
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buffer_line_write_to_log (struct app_context *ctx,
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struct buffer_line *line, FILE *log_file)
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@ -2800,7 +2839,7 @@ buffer_line_write_to_log (struct app_context *ctx,
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else
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formatter_add (&f, "#s ", buf);
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buffer_line_flush (line, &f, log_file);
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buffer_line_flush (line, &f, log_file, false);
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}
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static void
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@ -3052,7 +3091,7 @@ buffer_print_read_marker (struct app_context *ctx)
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struct formatter f;
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formatter_init (&f, ctx, NULL);
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formatter_add (&f, "#a-- -- -- ---\n", ATTR_READ_MARKER);
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formatter_flush (&f, stdout);
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formatter_flush (&f, stdout, false);
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formatter_free (&f);
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}
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@ -8918,10 +8957,9 @@ display_backlog (struct app_context *ctx)
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FILE *backlog = tmpfile ();
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set_cloexec (fileno (backlog));
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// TODO: retrieve the lines with formatting
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for (struct buffer_line *line = ctx->current_buffer->lines;
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line; line = line->next)
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buffer_line_write_to_log (ctx, line, backlog);
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buffer_line_write_to_backlog (ctx, line, backlog);
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rewind (backlog);
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suspend_terminal (ctx);
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