From c3da108c2d41853beb49a90a1f43a2a9a158c385 Mon Sep 17 00:00:00 2001
From: cflip <cflip@cflip.net>
Date: Tue, 31 Jan 2023 10:44:54 -0700
Subject: Add functions to delete and clear a textbuf

---
 textbuf.c | 12 ++++++++++++
 textbuf.h |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/textbuf.c b/textbuf.c
index e68ddbd..6bbb74c 100644
--- a/textbuf.c
+++ b/textbuf.c
@@ -26,6 +26,18 @@ void textbuf_append(struct textbuf *textbuf, const char *str, int len)
 	textbuf->length += len;
 }
 
+void textbuf_delete(struct textbuf *textbuf)
+{
+	textbuf->buffer[textbuf->length] = '\0';
+	textbuf->length--;
+}
+
+void textbuf_clear(struct textbuf *textbuf)
+{
+	textbuf_free(textbuf);
+	*textbuf = textbuf_init();
+}
+
 void textbuf_free(struct textbuf *textbuf)
 {
 	free(textbuf->buffer);
diff --git a/textbuf.h b/textbuf.h
index e5e0f03..23b75d7 100644
--- a/textbuf.h
+++ b/textbuf.h
@@ -17,6 +17,8 @@ struct textbuf {
 
 struct textbuf textbuf_init();
 void textbuf_append(struct textbuf *textbuf, const char *str, int len);
+void textbuf_delete(struct textbuf *textbuf);
+void textbuf_clear(struct textbuf *textbuf);
 void textbuf_free(struct textbuf *textbuf);
 
 #endif
-- 
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