Create new OS module

This module will contain all functions that perform OS calls such as IO,
filesystem access, etc.

3 files changed, 55 insertions, 0 deletions

diff --git a/src/os/fs.c b/src/os/fs.c
new file mode 100644
index 0000000000..358b07e57b
--- /dev/null
+++ b/src/os/fs.c
@@ -0,0 +1,25 @@
+/* vi:set ts=8 sts=4 sw=4:
+ *
+ * VIM - Vi IMproved	by Bram Moolenaar
+ *
+ * Do ":help uganda"  in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+
+/*
+ * fs.c -- filesystem access
+ */
+
+#include <uv.h>
+
+#include "os.h"
+
+int mch_chdir(char *path) {
+  if (p_verbose >= 5) {
+    verbose_enter();
+    smsg((char_u *)"chdir(%s)", path);
+    verbose_leave();
+  }
+  return uv_chdir(path);
+}
diff --git a/src/os/mem.c b/src/os/mem.c
new file mode 100644
index 0000000000..20abd58261
--- /dev/null
+++ b/src/os/mem.c
@@ -0,0 +1,26 @@
+/* vi:set ts=8 sts=4 sw=4:
+ *
+ * VIM - Vi IMproved	by Bram Moolenaar
+ *
+ * Do ":help uganda"  in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+
+/*
+ * os.c -- OS-level calls to query hardware, etc.
+ */
+
+#include <uv.h>
+
+#include "os.h"
+
+/*
+ * Return total amount of memory available in Kbyte.
+ * Doesn't change when memory has been allocated.
+ */
+long_u mch_total_mem(int special) {
+  /* We need to return memory in *Kbytes* but uv_get_total_memory() returns the
+   * number of bytes of total memory. */
+  return uv_get_total_memory() >> 10;
+}
diff --git a/src/os/os.h b/src/os/os.h
new file mode 100644
index 0000000000..f344f180df
--- /dev/null
+++ b/src/os/os.h
@@ -0,0 +1,4 @@
+#include "../vim.h"
+
+long_u mch_total_mem(int special);
+int mch_chdir(char *path);