Changeset 732 for trunk/src/emx/include/sys/dirent.h

Timestamp:

Sep 26, 2003, 4:41:32 AM (22 years ago)

Author:

bird

Message:

#668: Initial changed related to Large File Support (>2GB).

File:

• trunk/src/emx/include/sys/dirent.h (modified) (2 diffs, 1 prop)

trunk/src/emx/include/sys/dirent.h

@@ -1 @@
-/* sys/dirent.h (emx+gcc) */
+/*-
+ * Copyright (c) 1989, 1993
+ *      The Regents of the University of California.  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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. 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 REGENTS 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 REGENTS 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.
+ *
+ *      @(#)dirent.h    8.3 (Berkeley) 8/10/94
+ * $FreeBSD: src/sys/sys/dirent.h,v 1.13 2002/09/10 18:12:16 mike Exp $
+ */
 
-#ifndef _SYS_DIRENT_H
-#define _SYS_DIRENT_H
+/** @file
+ * FreeBSD 5.1
+ * @changed bird: Merged in all the EMX stuff.
+ */
 
-#if !defined (_SYS_TYPES_H)
-#warning <sys/dirent.h> requires <sys/types.h>
-#include <sys/types.h>
+#ifndef _SYS_DIRENT_H_
+#define _SYS_DIRENT_H_
+
+#include <sys/cdefs.h>
+#include <sys/_types.h>
+
+/*
+ * The dirent structure defines the format of directory entries returned by
+ * the getdirentries(2) system call.
+ *
+ * A directory entry has a struct dirent at the front of it, containing its
+ * inode number, the length of the entry, and the length of the name
+ * contained in the entry.  These are followed by the name padded to a 4
+ * byte boundary with null bytes.  All names are guaranteed null terminated.
+ * The maximum length of a name in a directory is MAXNAMLEN.
+ */
+
+struct dirent {
+        __uint32_t d_fileno;            /* file number of entry */
+        __uint16_t d_reclen;            /* length of this record */
+        __uint8_t  d_type;              /* file type, see below */
+        __uint8_t  d_namlen;            /* length of string in d_name */
+#if __BSD_VISIBLE
+#ifndef MAXNAMLEN  /* bird: emx */
+#define MAXNAMLEN       260 /* bird: changed from 255. */
+#endif             /* bird: emx */
+        char    d_name[MAXNAMLEN + 1];  /* name must be no longer than this */
+#else
+        char    d_name[260 + 1];        /* bird: changed from 255. */ /* name must be no longer than this */
+#endif
+/* bird: Extra EMX fields - start */
+        __uint8_t  d_attr;              /* OS file attributes        */
+        __uint16_t d_time;              /* OS file modification time */
+        __uint16_t d_date;              /* OS file modification date */
+        __off_t    d_size;              /* File size (bytes)         */
+/* bird: Extra EMX fields - end */
+};
+
+#if __BSD_VISIBLE
+/*
+ * File types
+ */
+#define DT_UNKNOWN       0
+#define DT_FIFO          1
+#define DT_CHR           2
+#define DT_DIR           4
+#define DT_BLK           6
+#define DT_REG           8
+#define DT_LNK          10
+#define DT_SOCK         12
+#define DT_WHT          14
+
+/*
+ * Convert between stat structure types and directory types.
+ */
+#define IFTODT(mode)    (((mode) & 0170000) >> 12)
+#define DTTOIF(dirtype) ((dirtype) << 12)
+
+/*
+ * The _GENERIC_DIRSIZ macro gives the minimum record length which will hold
+ * the directory entry.  This requires the amount of space in struct direct
+ * without the d_name field, plus enough space for the name with a terminating
+ * null byte (dp->d_namlen+1), rounded up to a 4 byte boundary.
+ *
+ * XXX although this macro is in the implementation namespace, it requires
+ * a manifest constant that is not.
+ */
+#define _GENERIC_DIRSIZ(dp) \
+    ((sizeof (struct dirent) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3))
+#endif /* __BSD_VISIBLE */
+
+#ifdef _KERNEL
+#define GENERIC_DIRSIZ(dp)      _GENERIC_DIRSIZ(dp)
 #endif
 
-#if !defined (MAXNAMLEN)
-#define MAXNAMLEN  260
-#endif
+
+/* bird: EMX stuff */
+#define _DIRENT_D_MODE_RENAMED_D_ATTR
 
 #if !defined (MAXPATHLEN)
@@ -26 +132 @@
 #endif
 
-#define _DIRENT_D_MODE_RENAMED_D_ATTR
-
-struct dirent
-{
-  ino_t          d_ino;                 /* Almost not used           */
-  int            d_reclen;              /* Almost not used           */
-  int            d_namlen;              /* Length of d_name          */
-  char           d_name[MAXNAMLEN + 1]; /* File name, 0 terminated   */
-  long           d_size;                /* File size (bytes)         */
-  unsigned short d_attr;                /* OS file attributes        */
-  unsigned short d_time;                /* OS file modification time */
-  unsigned short d_date;                /* OS file modification date */
-};
-
 #endif /* not SYS_DIRENT_H */