Change so that an empty session name always means the current sessions

even if given with, for example, -t '', and explicitly forbid empty
session names and those containing a : when they are created.
pull/1/head
Nicholas Marriott 2011-04-06 21:51:31 +00:00
parent c8a14def9f
commit ec89eb9552
5 changed files with 29 additions and 5 deletions

View File

@ -68,9 +68,15 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
u_int sx, sy, i;
newname = args_get(args, 's');
if (newname != NULL && session_find(newname) != NULL) {
ctx->error(ctx, "duplicate session: %s", newname);
return (-1);
if (newname != NULL) {
if (!session_check_name(newname)) {
ctx->error(ctx, "bad session name: %s", newname);
return (-1);
}
if (session_find(newname) != NULL) {
ctx->error(ctx, "duplicate session: %s", newname);
return (-1);
}
}
target = args_get(args, 't');

View File

@ -46,6 +46,10 @@ cmd_rename_session_exec(struct cmd *self, struct cmd_ctx *ctx)
const char *newname;
newname = args->argv[0];
if (!session_check_name(newname)) {
ctx->error(ctx, "bad session name: %s", newname);
return (-1);
}
if (session_find(newname) != NULL) {
ctx->error(ctx, "duplicate session: %s", newname);
return (-1);

10
cmd.c
View File

@ -725,6 +725,12 @@ cmd_find_session(struct cmd_ctx *ctx, const char *arg, int prefer_unattached)
if (arglen != 0 && tmparg[arglen - 1] == ':')
tmparg[arglen - 1] = '\0';
/* An empty session name is the current session. */
if (*tmparg == '\0') {
xfree (tmparg);
return (cmd_current_session(ctx, prefer_unattached));
}
/* Find the session, if any. */
s = cmd_lookup_session(tmparg, &ambiguous);
@ -840,7 +846,7 @@ no_colon:
lookup_session:
if (ambiguous)
goto not_found;
if ((s = cmd_lookup_session(arg, &ambiguous)) == NULL)
if (*arg != '\0' && (s = cmd_lookup_session(arg, &ambiguous)) == NULL)
goto no_session;
if (sp != NULL)
@ -981,7 +987,7 @@ no_colon:
lookup_session:
if (ambiguous)
goto not_found;
if ((s = cmd_lookup_session(arg, &ambiguous)) == NULL)
if (*arg != '\0' && (s = cmd_lookup_session(arg, &ambiguous)) == NULL)
goto no_session;
if (sp != NULL)

View File

@ -164,6 +164,13 @@ session_destroy(struct session *s)
RB_INSERT(sessions, &dead_sessions, s);
}
/* Check a session name is valid: not empty and no colons. */
int
session_check_name(const char *name)
{
return (*name != '\0' && strchr(name, ':') == NULL);
}
/* Update session active time. */
void
session_update_activity(struct session *s)

1
tmux.h
View File

@ -1978,6 +1978,7 @@ struct session *session_create(const char *, const char *, const char *,
struct environ *, struct termios *, int, u_int, u_int,
char **);
void session_destroy(struct session *);
int session_check_name(const char *);
void session_update_activity(struct session *);
struct session *session_next_session(struct session *);
struct session *session_previous_session(struct session *);