feat: added prototype of io/buffered io

2 files changed, 61 insertions, 0 deletions

diff --git a/include/bufio.h b/include/bufio.h
new file mode 100644
index 0000000..b672563
--- /dev/null
+++ b/include/bufio.h
@@ -0,0 +1,27 @@
+#pragma once
+
+typedef struct bufio·Reader bufio·Reader;
+
+bufio·Reader *bufio·newreader(io·Reader r);
+error         bufio·freereader(bufio·Reader *r);
+
+int           bufio·read(bufio·Reader *r, byte *buf, int n);
+int           bufio·readln(bufio·Reader *r, byte *buf, int n, error* err);
+byte          bufio·get(bufio·Reader *r);
+error         bufio·unget(bufio·Reader *r);
+byte          bufio·peek(bufio·Reader *r);
+int           bufio·peekfor(bufio·Reader *r, byte *buf, int n);
+void          bufio·discard(bufio·Reader *r, int n);
+void          bufio·clear(bufio·Reader *r);
+
+typedef struct bufio·Writer bufio·Writer;
+
+bufio·Writer *bufio·newwriter(io·Writer w);
+error         bufio·freewriter(bufio·Writer *w);
+
+int           bufio·write(bufio·Writer *w, byte *buf, int n);
+error         bufio·put(bufio·Writer *w, byte b);
+error         bufio·flush(bufio·Writer* w);
+
+/* TODO */
+typedef struct bufio·Scanner bufio·Scanner;
diff --git a/include/io.h b/include/io.h
new file mode 100644
index 0000000..9813b85
--- /dev/null
+++ b/include/io.h
@@ -0,0 +1,34 @@
+#pragma once
+
+typedef struct io·Reader
+{
+    Iface impl;
+    int (*read)(void*, byte *buf, int n);
+} io·Reader;
+
+typedef struct io·ByteReader
+{
+    Iface impl;
+    int (*read)(void*, byte *buf, int n);
+    byte (*get)(void*);
+} io·ByteReader;
+
+typedef struct io·Writer
+{
+    Iface impl;
+    int (*write)(void*, byte *buf, int n);
+} io·Writer;
+
+typedef struct io·ReadWriter
+{
+    Iface impl;
+    int (*read)(void*, byte *buf, int n);
+    int (*write)(void*, byte *buf, int n);
+} io·ReadWriter;
+
+typedef enum io·SeekPos
+{
+    SEEK·set,
+    SEEK·cur,
+    SEEK·end,
+} io·SeekPos;