Implement system clipboard registers "* and "+

Both registers are currently treated identically.
The actual system integration is performed by two shell
scripts vis-copy and vis-paste.

1 files changed, 4 insertions, 0 deletions

diff --git a/buffer.c b/buffer.c
index a0b60e2..b9bc28c 100644
--- a/buffer.c
+++ b/buffer.c
@@ -36,6 +36,10 @@ void buffer_release(Buffer *buf) {
 	buffer_init(buf);
 }
 
+void buffer_clear(Buffer *buf) {
+	buf->len = 0;
+}
+
 bool buffer_put(Buffer *buf, const void *data, size_t len) {
 	if (!buffer_grow(buf, len))
 		return false;