Add a helper function for the most common format_create/defaults/expand

pattern.

1 files changed, 16 insertions, 1 deletions

diff --git a/format.c b/format.c
index 4df17025..7e78897f 100644
--- a/format.c
+++ b/format.c
@@ -500,7 +500,6 @@ format_merge(struct format_tree *ft, struct format_tree *from)
 		if (fe->value != NULL)
 			format_add(ft, fe->key, "%s", fe->value);
 	}
-
 }
 
 /* Create a new tree. */
@@ -1061,6 +1060,22 @@ format_expand(struct format_tree *ft, const char *fmt)
 	return (buf);
 }
 
+/* Expand a single string. */
+char *
+format_single(struct cmdq_item *item, const char *fmt, struct client *c,
+    struct session *s, struct winlink *wl, struct window_pane *wp)
+{
+	struct format_tree	*ft;
+	char			*expanded;
+
+	ft = format_create(item, FORMAT_NONE, 0);
+	format_defaults(ft, c, s, wl, wp);
+
+	expanded = format_expand(ft, fmt);
+	format_free(ft);
+	return (expanded);
+}
+
 /* Set defaults for any of arguments that are not NULL. */
 void
 format_defaults(struct format_tree *ft, struct client *c, struct session *s,