client: prettify help table

cmd + options have a maximum length of 25. Align the description
after this value. In order not to reach 80 chars so easily change the
first \t to 2 spaces, like is done in udev, kmod, systemd, etc.

diff --git a/client/main.c b/client/main.c
index ff2afc6..0dd1510 100644 (file)
--- a/client/main.c
+++ b/client/main.c
@@ -1184,9 +1184,10 @@ static void rl_handler(char *input)
 
        for (i = 0; cmd_table[i].cmd; i++) {
                if (cmd_table[i].desc)
-                       printf("\t%s %s\t%s\n", cmd_table[i].cmd,
-                                               cmd_table[i].arg ? : "    ",
-                                               cmd_table[i].desc);
+                       printf("  %s %-*s %s\n", cmd_table[i].cmd,
+                                       (int)(25 - strlen(cmd_table[i].cmd)),
+                                       cmd_table[i].arg ? : "",
+                                       cmd_table[i].desc ? : "");
        }
 
 done: