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Pass flags into cmdq_guard as an argument since sometimes cmdq->cmd can

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be NULL. Avoids crash when a command in a command client can't be
parsed.
This commit is contained in:
nicm 2013-10-10 11:45:28 +00:00
parent 7c71c3e27d
commit 4c9f41f1ad
3 changed files with 11 additions and 11 deletions
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16
cmd-queue.c
View File

@ -154,18 +154,15 @@ cmdq_error(struct cmd_q *cmdq, const char *fmt, ...)
/* Print a guard line. */
int
cmdq_guard(struct cmd_q *cmdq, const char *guard)
cmdq_guard(struct cmd_q *cmdq, const char *guard, int flags)
{
struct client *c = cmdq->client;
int flags;
if (c == NULL)
return 0;
if (!(c->flags & CLIENT_CONTROL))
return 0;
flags = !!(cmdq->cmd->flags & CMD_CONTROL);
evbuffer_add_printf(c->stdout_data, "%%%s %ld %u %d\n", guard,
(long) cmdq->time, cmdq->number, flags);
server_push_stdout(c);
@ -202,7 +199,7 @@ cmdq_continue(struct cmd_q *cmdq)
{
struct cmd_q_item *next;
enum cmd_retval retval;
int empty, guard;
int empty, guard, flags;
char s[1024];
notify_disable();
@ -228,13 +225,16 @@ cmdq_continue(struct cmd_q *cmdq)
cmdq->time = time(NULL);
cmdq->number++;
guard = cmdq_guard(cmdq, "begin");
flags = !!(cmdq->cmd->flags & CMD_CONTROL);
guard = cmdq_guard(cmdq, "begin", flags);
retval = cmdq->cmd->entry->exec(cmdq->cmd, cmdq);
if (guard) {
if (retval == CMD_RETURN_ERROR)
cmdq_guard(cmdq, "error");
cmdq_guard(cmdq, "error", flags);
else
cmdq_guard(cmdq, "end");
cmdq_guard(cmdq, "end", flags);
}
if (retval == CMD_RETURN_ERROR)

4
control.c
View File

@ -73,9 +73,9 @@ control_callback(struct client *c, int closed, unused void *data)
c->cmdq->time = time(NULL);
c->cmdq->number++;
cmdq_guard(c->cmdq, "begin");
cmdq_guard(c->cmdq, "begin", 1);
control_write(c, "parse error: %s", cause);
cmdq_guard(c->cmdq, "error");
cmdq_guard(c->cmdq, "error", 1);
free(cause);
} else {

2
tmux.h
View File

@ -1871,7 +1871,7 @@ int cmdq_free(struct cmd_q *);
void printflike2 cmdq_print(struct cmd_q *, const char *, ...);
void printflike2 cmdq_info(struct cmd_q *, const char *, ...);
void printflike2 cmdq_error(struct cmd_q *, const char *, ...);
int cmdq_guard(struct cmd_q *, const char *);
int cmdq_guard(struct cmd_q *, const char *, int);
void cmdq_run(struct cmd_q *, struct cmd_list *);
void cmdq_append(struct cmd_q *, struct cmd_list *);
int cmdq_continue(struct cmd_q *);