From 12e09f9f85ac48ff891adf92f3b2c9a5fea27273 Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Sat, 4 Dec 2021 14:10:21 -0800
Subject: Chore(REMOVE): finished deprecation of old io functions.

The old methods were simple wrappers of C standard library functions.
We've moved (painfully) over to a new interface that allows for files to
live on the stack. All users of the functionality are ported over.
---
 src/base/io/offset.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/base/io/offset.c

(limited to 'src/base/io/offset.c')

diff --git a/src/base/io/offset.c b/src/base/io/offset.c
new file mode 100644
index 0000000..81ef994
--- /dev/null
+++ b/src/base/io/offset.c
@@ -0,0 +1,24 @@
+#include "internal.h"
+
+intptr
+io·offset(io·Header *io)
+{
+    intptr n;
+    switch(io->state){
+    default:
+        fmt·fprint(2, "offset: unknown state %d\n", io->state);
+        n = io·BufEof;
+        break;
+
+    case io·BufEnd:
+    case io·BufRdr:
+        n = io->pos + io->ilen;
+        break;
+
+    case io·BufWtr:
+        n = io->pos + (io->cap + io->olen);
+        break;
+    }
+
+    return n;
+}
-- 
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