BUSY_CPU /* Locally busy (e.g. crypto); user interaction suspended */
};
void set_busy_status(void *frontend, int status);
+int frontend_is_utf8(void *frontend);
void cleanup_exit(int);
X(INT, NONE, no_remote_resize) /* disable remote resizing */ \
X(INT, NONE, no_alt_screen) /* disable alternate screen */ \
X(INT, NONE, no_remote_wintitle) /* disable remote retitling */ \
+ X(INT, NONE, no_remote_clearscroll) /* disable ESC[3J */ \
X(INT, NONE, no_dbackspace) /* disable destructive backspace */ \
X(INT, NONE, no_remote_charset) /* disable remote charset config */ \
X(INT, NONE, remote_qtitle_action) /* remote win title query action */ \
/*
* Exports from version.c.
*/
-extern char ver[];
+extern const char ver[];
/*
* Exports from unicode.c.
/*
* Exports from pageantc.c.
*
- * agent_query returns 1 for here's-a-response, and 0 for query-in-
- * progress. In the latter case there will be a call to `callback'
- * at some future point, passing callback_ctx as the first
+ * agent_query returns NULL for here's-a-response, and non-NULL for
+ * query-in- progress. In the latter case there will be a call to
+ * `callback' at some future point, passing callback_ctx as the first
* parameter and the actual reply data as the second and third.
*
* The response may be a NULL pointer (in either of the synchronous
* or asynchronous cases), which indicates failure to receive a
* response.
+ *
+ * When the return from agent_query is not NULL, it identifies the
+ * in-progress query in case it needs to be cancelled. If
+ * agent_cancel_query is called, then the pending query is destroyed
+ * and the callback will not be called. (E.g. if you're going to throw
+ * away the thing you were using as callback_ctx.)
+ *
+ * Passing a null pointer as callback forces agent_query to behave
+ * synchronously, i.e. it will block if necessary, and guarantee to
+ * return NULL. The wrapper function agent_query_synchronous() makes
+ * this easier.
*/
-int agent_query(void *in, int inlen, void **out, int *outlen,
- void (*callback)(void *, void *, int), void *callback_ctx);
+typedef struct agent_pending_query agent_pending_query;
+agent_pending_query *agent_query(
+ void *in, int inlen, void **out, int *outlen,
+ void (*callback)(void *, void *, int), void *callback_ctx);
+void agent_cancel_query(agent_pending_query *);
+void agent_query_synchronous(void *in, int inlen, void **out, int *outlen);
int agent_exists(void);
/*