From 4fbf50ddfeeb0e9d99d271e31dd35d545fb42ab6 Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Tue, 21 Apr 2020 10:40:03 -0700
Subject: feat: added wrapper for io

---
 sys/libn/io.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 sys/libn/io.c

(limited to 'sys/libn/io.c')

diff --git a/sys/libn/io.c b/sys/libn/io.c
new file mode 100644
index 0000000..789bc7b
--- /dev/null
+++ b/sys/libn/io.c
@@ -0,0 +1,71 @@
+#include <u.h>
+#include <libn.h>
+
+// -----------------------------------------------------------------------
+// Open/Close
+
+Stream*
+io·open(byte *name, byte *mode)
+{
+    return fopen(name, mode);
+}
+
+error
+io·close(Stream *s)
+{
+    return fclose(s);
+}
+
+// -----------------------------------------------------------------------
+// Reading
+
+byte
+io·getbyte(Stream *s)
+{
+    return fgetc(s);
+}
+
+vlong
+io·read(Stream *s, int sz, int n, void *buf)
+{
+    return fread(buf, sz, n, s);
+}
+
+int
+io·readln(Stream *s, int n, byte* buf)
+{
+    byte* b;
+    b = fgets(buf, n+1, s);
+
+    return strlen(buf);
+}
+
+// -----------------------------------------------------------------------
+// Writing
+
+error
+io·putbyte(Stream *s, byte c)
+{
+    return fputc(c, s);
+}
+
+int
+io·putstring(Stream *s, string str)
+{
+    return fputs(str, s);
+}
+
+vlong
+io·write(Stream *s, int sz, int n, void *buf)
+{
+    return fwrite(buf, sz, n, s);
+}
+
+// -----------------------------------------------------------------------
+// Seek
+
+int
+io·seek(Stream *s, long off, enum SeekPos origin)
+{
+    return fseek(s, off, origin);
+}
-- 
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