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[PATCH 020/114] Add basic io syscalls for Phoenix.
- From: Jakub Sejdak <jakub dot sejdak at phoesys dot com>
- To: newlib at sourceware dot org
- Cc: Kuba Sejdak <jakub dot sejdak at phoesys dot com>
- Date: Mon, 11 Apr 2016 12:20:38 +0200
- Subject: [PATCH 020/114] Add basic io syscalls for Phoenix.
- Authentication-results: sourceware.org; auth=none
- References: <1460370132-4880-1-git-send-email-jakub dot sejdak at phoesys dot com>
From: Kuba Sejdak <jakub.sejdak@phoesys.com>
---
newlib/libc/sys/phoenix/io.c | 94 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 94 insertions(+)
create mode 100644 newlib/libc/sys/phoenix/io.c
diff --git a/newlib/libc/sys/phoenix/io.c b/newlib/libc/sys/phoenix/io.c
new file mode 100644
index 0000000..86dc751
--- /dev/null
+++ b/newlib/libc/sys/phoenix/io.c
@@ -0,0 +1,94 @@
+/* Copyright (C) 2012-2016 Phoenix Systems (http://www.phoesys.com/).
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#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);
+}
--
2.5.0