Initial import of existing source code

This is based off of snaptoken's "Build Your Own Text Editor" tutorial
at https://viewsourcecode.org/snaptoken/kilo/.

1 files changed, 21 insertions, 0 deletions

diff --git a/buffer.c b/buffer.c
new file mode 100644
index 0000000..596d5d2
--- /dev/null
+++ b/buffer.c
@@ -0,0 +1,21 @@
+#include "buffer.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+void ab_append(struct append_buffer* ab, const char* string, int length)
+{
+	char* new = realloc(ab->buffer, ab->length + length);
+
+	if (new == NULL)
+		return;
+
+	memcpy(&new[ab->length], string, length);
+	ab->buffer = new;
+	ab->length += length;
+}
+
+void ab_free(struct append_buffer* ab)
+{
+	free(ab->buffer);
+}