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Be more strict about what names and titles we allow and reject them

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immediately when possible, but allow # again for those directly set by
commands (but not escape sequences). From Barrett Ruth in GitHub issue
5175.
This commit is contained in:
nicm
2026-06-15 21:41:39 +00:00
parent b86bd1fcd0
commit eb65331403
17 changed files with 144 additions and 81 deletions
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16
spawn.c
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@@ -76,15 +76,12 @@ spawn_log(const char *from, struct spawn_context *sc)
struct winlink *
spawn_window(struct spawn_context *sc, char **cause)
{
struct cmdq_item *item = sc->item;
struct client *c = cmdq_get_client(item);
struct session *s = sc->s;
struct window *w;
struct window_pane *wp;
struct winlink *wl;
int idx = sc->idx;
u_int sx, sy, xpixel, ypixel;
char *name;
spawn_log(__func__, sc);
@@ -182,15 +179,12 @@ spawn_window(struct spawn_context *sc, char **cause)
/* Set the name of the new window. */
if (~sc->flags & SPAWN_RESPAWN) {
free(w->name);
if (sc->name != NULL) {
name = format_single(item, sc->name, c, s, NULL, NULL);
w->name = clean_name(name, "#");
free(name);
if (w->name == NULL)
w->name = xstrdup("");
options_set_number(w->options, "automatic-rename", 0);
} else
if (sc->name == NULL || *sc->name == '\0')
w->name = default_window_name(w);
else {
w->name = xstrdup(sc->name);
options_set_number(w->options, "automatic-rename", 0);
}
}
/* Switch to the new window if required. */