Initial Spring 2016 commit.

userland/include/sys/stat.h

@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
+ *	The President and Fellows of Harvard College.
+ *
+ * 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.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY 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 UNIVERSITY 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.
+ */
+
+#ifndef _SYS_STAT_H_
+#define _SYS_STAT_H_
+
+/*
+ * Get struct stat and all the #defines from the kernel
+ */
+#include <kern/stat.h>
+#include <kern/stattypes.h>
+
+/*
+ * Test macros for object types.
+ */
+#define S_ISDIR(mode) ((mode & _S_IFMT) == _S_IFDIR)
+#define S_ISREG(mode) ((mode & _S_IFMT) == _S_IFREG)
+#define S_ISDIR(mode) ((mode & _S_IFMT) == _S_IFDIR)
+#define S_ISLNK(mode) ((mode & _S_IFMT) == _S_IFLNK)
+#define S_ISIFO(mode) ((mode & _S_IFMT) == _S_IFIFO)
+#define S_ISSOCK(mode) ((mode & _S_IFMT) ==_S_IFSOCK)
+#define S_ISCHR(mode) ((mode & _S_IFMT) == _S_IFCHR)
+#define S_ISBLK(mode) ((mode & _S_IFMT) == _S_IFBLK)
+
+/*
+ * Provide non-underscore names. These are not actually standard; for
+ * some reason only the test macros are.
+ */
+#define S_IFMT   _S_IFMT
+#define S_IFREG  _S_IFREG
+#define S_IFDIR  _S_IFDIR
+#define S_IFLNK  _S_IFLNK
+#define S_IFIFO  _S_IFIFO
+#define S_IFSOCK _S_IFSOCK
+#define S_IFCHR  _S_IFCHR
+#define S_IFBLK  _S_IFBLK
+
+/*
+ * stat is the same as fstat, only on a file that isn't already
+ * open. lstat is the same as stat, only if the name passed names a
+ * symlink, information about the symlink is returned rather than
+ * information about the file it points to. You don't need to
+ * implement lstat unless you're implementing symbolic links.
+ */
+int fstat(int filehandle, struct stat *buf);
+int stat(const char *path, struct stat *buf);
+int lstat(const char *path, struct stat *buf);
+
+/*
+ * The second argument to mkdir is the mode for the new directory.
+ * Unless you're implementing security and permissions, you can
+ * (and should) ignore it. See notes in unistd.h.
+ */
+int mkdir(const char *dirname, int ignore);
+
+
+#endif /* _SYS_STAT_H_ */