improve send_command

Signed-off-by: Mattias Andrée <maandree@member.fsf.org>

1 files changed, 30 insertions, 9 deletions

diff --git a/src/client.h b/src/client.h
index f64da2c..2e5cf9d 100644
--- a/src/client.h
+++ b/src/client.h
@@ -22,22 +22,43 @@
 #include <stddef.h>
 
 
+/**
+ * Commands for `send_command`.
+ */
+enum command
+  {
+    /**
+     * Queue a job.
+     */
+    SAT_QUEUE = 0,
+
+    /**
+     * Remove jobs.
+     */
+    SAT_REMOVE = 1,
+
+    /**
+     * Print job queue.
+     */
+    SAT_PRINT = 2,
+
+    /**
+     * Run jobs
+     */
+    SAT_RUN = 3
+  };
+
 
 /**
  * Send a command to satd. Start satd if it is not running.
  * 
- * If `n` is 0 but `msg` is not `NULL`, `msg` is a
- * NUL-terminated string with the ID of the job to
- * remove for the queue. `msg` should otherwise,
- * unless it is `NULL` be the command the run, followed
- * by its environment.
- * 
- * @param   n    The length of the message, or a number
- *               number to send if `msg` is `NULL`.
+ * @param   cmd  Command type.
+ * @param   n    The length of the message, 0 if `msg` is
+ *               `NULL` or NUL-terminated.
  * @param   msg  The message to send.
  * @return       Zero on success.
  * 
  * @throws  0  Error at the daemon-side.
  */
-int send_command(size_t n, const char *restrict msg);
+int send_command(enum command cmd, size_t n, const char *restrict msg);