[PATCH 038/114] Add syscalls for dealing with symlinks for Phoenix.

Jakub Sejdak jakub.sejdak@phoesys.com
Mon Apr 11 10:31:00 GMT 2016


From: Kuba Sejdak <jakub.sejdak@phoesys.com>

---
 newlib/libc/sys/phoenix/symlink.c | 54 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 newlib/libc/sys/phoenix/symlink.c

diff --git a/newlib/libc/sys/phoenix/symlink.c b/newlib/libc/sys/phoenix/symlink.c
new file mode 100644
index 0000000..0927a56
--- /dev/null
+++ b/newlib/libc/sys/phoenix/symlink.c
@@ -0,0 +1,54 @@
+/* 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>
+
+int symlink(const char *target, const char *linkpath)
+{
+	int ret = syscall2(int, SYS_SYMLINK, target, linkpath);
+	if (ret < 0) {
+		errno = -ret;
+		ret = -1;
+	}
+
+	return ret;
+}
+
+int readlink(const char *pathname, char *buf, size_t bufsize)
+{
+	int ret = syscall3(int, SYS_READLINK, pathname, buf, bufsize);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
+
+int link(const char *oldpath, const char *newpath)
+{
+	int ret = syscall2(int, SYS_LINK, oldpath, newpath);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
-- 
2.5.0



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