1 files changed, 100 insertions, 0 deletions
diff --git a/newlib/libc/sys/phoenix/io.c b/newlib/libc/sys/phoenix/io.c
new file mode 100644
index 000000000..1e059ee26
--- /dev/null
+++ b/newlib/libc/sys/phoenix/io.c
@@ -0,0 +1,100 @@
+/* Copyright (c) 2016 Phoenix Systems
+   All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+   1. Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+   2. Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+   THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+   FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+   OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+   OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+   SUCH DAMAGE.*/
+
+#include "syscall.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+int open(const char *pathname, int flags, ...)
+{
+	int mode = S_IFREG | S_IRWXUGO;
+
+	if (flags & O_CREAT) {
+		va_list arg;
+		va_start(arg, flags);
+		mode = va_arg(arg, int);
+		va_end(arg);
+	}
+
+	int ret = syscall3(int, SYS_OPEN, pathname, flags, mode);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
+
+ssize_t read(int fd, void *buf, size_t count)
+{
+	int ret = syscall3(int, SYS_READ, fd, buf, count);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
+
+ssize_t write(int fd, const void *buf, size_t count)
+{
+	int ret = syscall3(int, SYS_WRITE, fd, buf, count);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
+
+off_t lseek(int fd, off_t offset, int whence)
+{
+	int ret = syscall3(int, SYS_LSEEK, fd, offset, whence);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
+
+int close(int fd)
+{
+	int ret = syscall1(int, SYS_CLOSE, fd);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
+
+int _close(int fd)
+{
+	return close(fd);
+}