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cmd-paste-buffer: don't paste into dead panes 

From Debian bug#1063237:

| I've run into this:
|
|      $ tmux set-option -g remain-on-exit \; new-session -d false
|      $ tmux set-buffer x \; paste-buffer
|      server exited unexpectedly
|
| Backtrace:
|
| #0  0xf7ea662b in bufferevent_write (bufev=0x0, data=0x5745f730, size=1) at ./bufferevent.c:454
| #1  0x5659d0a6 in cmd_paste_buffer_exec (self=0x57442f20, item=0x574751d0) at ./cmd-paste-buffer.c:98
| #2  0x5659e892 in cmdq_fire_command (item=0x574751d0) at ./cmd-queue.c:647
| #3  cmdq_next (c=0x57480b00) at ./cmd-queue.c:763
| #4  0x565ee113 in server_loop () at ./server.c:270
| #5  0x565da562 in proc_loop (tp=0x57438580, loopcb=0x565ee0b0 <server_loop>) at ./proc.c:222
| #6  0x565ee96c in server_start (client=0x57437d00, flags=402718720, base=0x57437600, lockfd=5, lockfile=0x57437950 "") at ./server.c:251
| #7  0x5658e72b in client_connect (flags=<optimized out>, path=0x57437500 "/tmp/tmux-1000/default", base=0x57437600) at ./client.c:164
| #8  client_main (base=0x57437600, argc=7, argv=0xfffed398, flags=<optimized out>, feat=0) at ./client.c:287
| #9  0x56589432 in main (argc=7, argv=<optimized out>) at ./tmux.c:519
pull/3830/head
Romain Francoise 2024-02-05 21:57:46 +01:00
parent ea7136fb83
commit 302b208ee1
4 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
cmd-paste-buffer.c
View File

@ -54,6 +54,11 @@ cmd_paste_buffer_exec(struct cmd *self, struct cmdq_item *item)
size_t seplen, bufsize;
int bracket = args_has(args, 'p');
if (window_pane_exited(wp)) {
cmdq_error(item, "target pane has exited");
return (CMD_RETURN_ERROR);
}
bufname = NULL;
if (args_has(args, 'b'))
bufname = args_get(args, 'b');

2
cmd-pipe-pane.c
View File

@ -68,7 +68,7 @@ cmd_pipe_pane_exec(struct cmd *self, struct cmdq_item *item)
sigset_t set, oldset;
/* Do nothing if pane is dead. */
if (wp->fd == -1 || (wp->flags & PANE_EXITED)) {
if (window_pane_exited(wp)) {
cmdq_error(item, "target pane has exited");
return (CMD_RETURN_ERROR);
}

1
tmux.h
View File

@ -3096,6 +3096,7 @@ int window_pane_key(struct window_pane *, struct client *,
struct session *, struct winlink *, key_code,
struct mouse_event *);
int window_pane_visible(struct window_pane *);
int window_pane_exited(struct window_pane *);
u_int window_pane_search(struct window_pane *, const char *, int,
int);
const char *window_printable_flags(struct winlink *, int);

6
window.c
View File

@ -1214,6 +1214,12 @@ window_pane_visible(struct window_pane *wp)
return (wp == wp->window->active);
}
int
window_pane_exited(struct window_pane *wp)
{
return (wp->fd == -1 || (wp->flags & PANE_EXITED));
}
u_int
window_pane_search(struct window_pane *wp, const char *term, int regex,
int ignore)