screen_keydef: show command descriptions

[ncmpc.git] / src / command.c

diff --git a/src/command.c b/src/command.c
index 656bb18e389db0bd89a1389be818a861d2a7a3e1..85e499a00873ad2c985dbfbb1241c26b7b1006f2 100644 (file)
--- a/src/command.c
+++ b/src/command.c
@@ -262,6 +262,30 @@ get_command_definitions(void)
 {
        return cmds;
 }
+
+size_t
+get_cmds_max_name_width(command_definition_t *c)
+{
+       static size_t max = 0;
+
+       if (max != 0)
+               return max;
+
+       size_t len;
+       command_definition_t *p;
+
+       for (p = c; p->name != NULL; p++) {
+               /*
+                * width and length are considered the same here, as command
+                * names are not translated.
+                */
+               len = (size_t) strlen(p->name);
+               if (len > max)
+                       max = len;
+       }
+
+       return max;
+}
 #endif
 
 const char *