1 files changed, 51 insertions, 0 deletions
diff --git a/src/packet/buffer.h b/src/packet/buffer.h
new file mode 100644
index 0000000..ad3145d
--- /dev/null
+++ b/src/packet/buffer.h
@@ -0,0 +1,51 @@
+#pragma once
+
+#include <stdint.h>
+
+typedef struct PacketBuffer PacketBuffer;
+
+PacketBuffer* buffer_create(int capacity);
+
+void buffer_free(PacketBuffer* buffer);
+
+void buffer_seek(PacketBuffer* buffer, int index);
+
+uint8_t buffer_read(PacketBuffer* buffer);
+
+uint16_t buffer_read_short(PacketBuffer* buffer);
+
+uint32_t buffer_read_int(PacketBuffer* buffer);
+
+uint8_t buffer_get(PacketBuffer* buffer, int index);
+
+uint8_t* buffer_get_range(PacketBuffer* buffer, int start, int len);
+
+uint16_t buffer_get_size(PacketBuffer* buffer);
+
+void buffer_read_qname(PacketBuffer* buffer, uint8_t** out);
+
+void buffer_read_string(PacketBuffer* buffer, uint8_t** out);
+
+void buffer_read_n(PacketBuffer* buffer, uint8_t** out, uint8_t len);
+
+void buffer_write(PacketBuffer* buffer, uint8_t data);
+
+void buffer_write_short(PacketBuffer* buffer, uint16_t data);
+
+void buffer_write_int(PacketBuffer* buffer, uint32_t data);
+
+void buffer_write_qname(PacketBuffer* buffer, uint8_t* in);
+
+void buffer_write_string(PacketBuffer* buffer, uint8_t* in);
+
+void buffer_write_n(PacketBuffer* buffer, uint8_t* in, int len);
+
+void buffer_set(PacketBuffer* buffer, uint8_t data, int index);
+
+void buffer_set_uint16_t(PacketBuffer* buffer, uint16_t data, int index);
+
+int buffer_get_index(PacketBuffer* buffer);
+
+void buffer_step(PacketBuffer* buffer, int len);
+
+uint8_t* buffer_get_ptr(PacketBuffer* buffer);