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If no target client is specified to commands which accept one, try to guess the

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current client, in a similar manner to how sessions already work: if the
current session can be established and has only one client, use that; otherwise
use the most recently created client.
This commit is contained in:
Nicholas Marriott
2009-10-05 18:30:54 +00:00
parent 45043ebf3e
commit 4ca2200d83
3 changed files with 53 additions and 2 deletions
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51
cmd.c
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@@ -110,6 +110,7 @@ const struct cmd_entry *cmd_table[] = {
};
struct session *cmd_newest_session(struct sessions *);
struct client *cmd_newest_client(void);
struct client *cmd_lookup_client(const char *);
struct session *cmd_lookup_session(const char *, int *);
struct winlink *cmd_lookup_window(struct session *, const char *, int *);
@@ -369,17 +370,63 @@ cmd_newest_session(struct sessions *ss)
return (snewest);
}
/* Find the newest client. */
struct client *
cmd_newest_client(void)
{
struct client *c, *cnewest;
struct timeval *tv = NULL;
u_int i;
cnewest = NULL;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
if ((c = ARRAY_ITEM(&clients, i)) == NULL)
continue;
if (c->session == NULL)
continue;
if (tv == NULL || timercmp(&c->tv, tv, >)) {
cnewest = c;
tv = &c->tv;
}
}
return (cnewest);
}
/* Find the target client or report an error and return NULL. */
struct client *
cmd_find_client(struct cmd_ctx *ctx, const char *arg)
{
struct client *c;
struct session *s;
char *tmparg;
size_t arglen;
u_int i;
/* A NULL argument means the current client. */
if (arg == NULL)
return (ctx->curclient);
if (arg == NULL) {
if (ctx->curclient != NULL)
return (ctx->curclient);
/*
* No current client set. Find the current session and see if
* it has only has one client.
*/
s = cmd_current_session(ctx);
if (s != NULL) {
c = NULL;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
if (ARRAY_ITEM(&clients, i)->session == s) {
if (c != NULL)
break;
c = ARRAY_ITEM(&clients, i);
}
}
if (i == ARRAY_LENGTH(&clients) && c != NULL)
return (c);
}
return (cmd_newest_client());
}
tmparg = xstrdup(arg);
/* Trim a single trailing colon if any. */