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Do not cache format for status line because it stores various pointers

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that might be stale, instead cache the cmd_find_state and rebuild the
formats every time they are needed. Reported by Marcel Partap in GitHub
isue 5065.
This commit is contained in:
nicm
2026-05-08 06:57:38 +00:00
parent 496805476e
commit af98467d0d
2 changed files with 35 additions and 20 deletions
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53
status.c
View File

@@ -689,10 +689,13 @@ status_prompt_set(struct client *c, struct cmd_find_state *fs,
server_client_clear_overlay(c);
if (fs != NULL)
if (fs != NULL) {
ft = format_create_from_state(NULL, c, fs);
else
cmd_find_copy_state(&c->prompt_state, fs);
} else {
ft = format_create_defaults(NULL, c, NULL, NULL, NULL);
cmd_find_clear_state(&c->prompt_state, 0);
}
if (input == NULL)
input = "";
@@ -701,7 +704,6 @@ status_prompt_set(struct client *c, struct cmd_find_state *fs,
status_prompt_clear(c);
status_push_screen(c);
c->prompt_formats = ft;
c->prompt_string = xstrdup (msg);
if (flags & PROMPT_NOFORMAT)
@@ -737,6 +739,7 @@ status_prompt_set(struct client *c, struct cmd_find_state *fs,
if ((flags & PROMPT_SINGLE) && (flags & PROMPT_ACCEPT))
cmdq_append(c, cmdq_get_callback(status_prompt_accept, c));
format_free(ft);
}
/* Remove status line prompt. */
@@ -752,9 +755,6 @@ status_prompt_clear(struct client *c)
free(c->prompt_last);
c->prompt_last = NULL;
format_free(c->prompt_formats);
c->prompt_formats = NULL;
free(c->prompt_string);
c->prompt_string = NULL;
@@ -774,13 +774,19 @@ status_prompt_clear(struct client *c)
void
status_prompt_update(struct client *c, const char *msg, const char *input)
{
char *tmp;
struct format_tree *ft;
char *tmp;
if (cmd_find_valid_state(&c->prompt_state))
ft = format_create_from_state(NULL, c, &c->prompt_state);
else
ft = format_create_defaults(NULL, c, NULL, NULL, NULL);
free(c->prompt_string);
c->prompt_string = xstrdup(msg);
free(c->prompt_buffer);
tmp = format_expand_time(c->prompt_formats, input);
tmp = format_expand_time(ft, input);
c->prompt_buffer = utf8_fromcstr(tmp);
c->prompt_index = utf8_strlen(c->prompt_buffer);
free(tmp);
@@ -788,6 +794,7 @@ status_prompt_update(struct client *c, const char *msg, const char *input)
memset(c->prompt_hindex, 0, sizeof c->prompt_hindex);
c->flags |= CLIENT_REDRAWSTATUS;
format_free(ft);
}
/* Redraw character. Return 1 if can continue redrawing, 0 otherwise. */
@@ -846,11 +853,13 @@ status_prompt_redraw(struct client *c)
struct status_line *sl = &c->status;
struct screen_write_ctx ctx;
struct session *s = c->session;
struct options *oo = s->options;
struct screen old_screen;
u_int i, lines, offset, left, start, width, n;
u_int pcursor, pwidth, promptline;
u_int ax, aw;
struct grid_cell gc;
struct format_tree *ft;
const char *msgfmt;
char *expanded, *prompt, *tmp;
@@ -863,12 +872,17 @@ status_prompt_redraw(struct client *c)
lines = 1;
screen_init(sl->active, c->tty.sx, lines, 0);
if (cmd_find_valid_state(&c->prompt_state))
ft = format_create_from_state(NULL, c, &c->prompt_state);
else
ft = format_create_defaults(NULL, c, NULL, NULL, NULL);
n = options_get_number(s->options, "prompt-cursor-colour");
sl->active->default_ccolour = n;
if (c->prompt_mode == PROMPT_COMMAND)
n = options_get_number(s->options, "prompt-command-cursor-style");
n = options_get_number(oo, "prompt-command-cursor-style");
else
n = options_get_number(s->options, "prompt-cursor-style");
n = options_get_number(oo, "prompt-cursor-style");
screen_set_cursor_style(n, &sl->active->default_cstyle,
&sl->active->default_mode);
@@ -877,28 +891,29 @@ status_prompt_redraw(struct client *c)
promptline = lines - 1;
if (c->prompt_mode == PROMPT_COMMAND)
style_apply(&gc, s->options, "message-command-style", NULL);
style_apply(&gc, oo, "message-command-style", NULL);
else
style_apply(&gc, s->options, "message-style", NULL);
style_apply(&gc, oo, "message-style", NULL);
status_prompt_area(c, &ax, &aw);
tmp = utf8_tocstr(c->prompt_buffer);
format_add(c->prompt_formats, "prompt-input", "%s", tmp);
prompt = format_expand_time(c->prompt_formats, c->prompt_string);
format_add(ft, "prompt-input", "%s", tmp);
prompt = format_expand_time(ft, c->prompt_string);
free(tmp);
/*
* Set #{message} to the prompt string and expand message-format.
* format_draw handles fill, alignment, and decorations in one call.
*/
format_add(c->prompt_formats, "message", "%s", prompt);
format_add(c->prompt_formats, "command_prompt", "%d",
format_add(ft, "message", "%s", prompt);
format_add(ft, "command_prompt", "%d",
c->prompt_mode == PROMPT_COMMAND);
msgfmt = options_get_string(s->options, "message-format");
expanded = format_expand_time(c->prompt_formats, msgfmt);
msgfmt = options_get_string(oo, "message-format");
expanded = format_expand_time(ft, msgfmt);
free(prompt);
start = format_width(prompt);
start = format_width(expanded);
if (start > aw)
start = aw;

2
tmux.h
View File

@@ -2094,8 +2094,8 @@ struct client {
struct event message_timer;
char *prompt_string;
struct format_tree *prompt_formats;
struct utf8_data *prompt_buffer;
struct cmd_find_state prompt_state;
char *prompt_last;
size_t prompt_index;
prompt_input_cb prompt_inputcb;