Add build system scaffolding and libc headers

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/libc/statvfs/statvfs.c b/lib/libc/statvfs/statvfs.c
new file mode 100644
index 00000000..df8c9544
--- /dev/null
+++ b/lib/libc/statvfs/statvfs.c
@@ -0,0 +1,25 @@
+#include <__statvfs.h>
+#include <syscall.h>
+#include <asm-generic/statfs.h>
+
+int statvfs(const char *restrict path, struct __statvfs *restrict buf)
+{
+	struct statfs statfs;
+
+	if (syscall(statfs, path, &statfs) < 0)
+		return -1;
+
+	buf->f_bsize = statfs.f_bsize;
+	buf->f_frsize = statfs.f_frsize ? statfs.f_frsize : statfs.f_bsize;
+	buf->f_blocks = statfs.f_blocks;
+	buf->f_bfree = statfs.f_bfree;
+	buf->f_bavail = statfs.f_bavail;
+	buf->f_files = statfs.f_files;
+	buf->f_ffree = statfs.f_ffree;
+	buf->f_favail = statfs.f_ffree;
+	buf->f_fsid = statfs.f_fsid.val[0];
+	buf->f_flag = statfs.f_flags;
+	buf->f_namemax = statfs.f_namelen;
+
+	return 0;
+}