* Made our struct stat POSIX compliant again -- the time_t fields have been

replaced by timespec fields. Via macros the structure is still source
  compatible with the old one.
* Introduced header <compat/sys/stat.h> that defines the old stat structure
  (as stat_beos) and conversion functions
* Introduced versions for [l,f]stat().
* Added symbol versions for BDirectory::GetStatFor() for sake of binary
  compatibility.
* BStatable::GetStat(): Renamed the old method, changed its parameter to
  stat_beos*, and and made it private. Added a new version (using up a
  reserved vtable slot). It remains source and binary compatible.
* BRefFilter::Filter(): Changed the struct stat* parameter to struct stat_beos*
  for sake of binary compatibility. This breaks source compatibility, though,
  which we can't help, since the class doesn't have reserved vtable slots.
* Fixed several issues with the stat structure change, mostly adjusted uses of
  BRefFilter.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@30830 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/posix/compat/sys/stat.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2002-2009, Haiku Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _COMPAT_SYS_STAT_H_
+#define _COMPAT_SYS_STAT_H_
+
+
+#include <sys/stat.h>
+
+
+/* helper struct allowing us to avoid problems with the st_*time macros */
+typedef struct {
+	time_t	tv_sec;
+} stat_beos_time;
+
+
+struct stat_beos {
+	dev_t			st_dev;			/* device ID that this file resides on */
+	ino_t			st_ino;			/* this file's serial inode ID */
+	mode_t			st_mode;		/* file mode (rwx for user, group, etc) */
+	nlink_t			st_nlink;		/* number of hard links to this file */
+	uid_t			st_uid;			/* user ID of the owner of this file */
+	gid_t			st_gid;			/* group ID of the owner of this file */
+	off_t			st_size;		/* size in bytes of this file */
+	dev_t			st_rdev;		/* device type (not used) */
+	blksize_t		st_blksize;		/* preferred block size for I/O */
+	stat_beos_time	st_atim;		/* last access time */
+	stat_beos_time	st_mtim;		/* last modification time */
+	stat_beos_time	st_ctim;		/* last change time, not creation time */
+	stat_beos_time	st_crtim;		/* creation time */
+};
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void		convert_to_stat_beos(const struct stat* stat,
+					struct stat_beos* beosStat);
+extern void		convert_from_stat_beos(const struct stat_beos* beosStat,
+					struct stat* stat);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _COMPAT_SYS_STAT_H_ */

headers/posix/sys/stat.h

@@ -7,6 +7,7 @@
 
 
 #include <sys/types.h>
+#include <time.h>
 
 
 struct stat {
@@ -19,14 +20,21 @@ struct stat {
 	off_t			st_size;		/* size in bytes of this file */
 	dev_t			st_rdev;		/* device type (not used) */
 	blksize_t		st_blksize;		/* preferred block size for I/O */
-	time_t			st_atime;		/* last access time */
-	time_t			st_mtime;		/* last modification time */
-	time_t			st_ctime;		/* last change time, not creation time */
-	time_t			st_crtime;		/* creation time */
+	struct timespec	st_atim;		/* last access time */
+	struct timespec	st_mtim;		/* last modification time */
+	struct timespec	st_ctim;		/* last change time, not creation time */
+	struct timespec	st_crtim;		/* creation time */
 	unsigned int	st_type;		/* attribute/index type */
 	blkcnt_t		st_blocks;		/* number of blocks allocated for object */
 };
 
+/* source compatibility with old stat structure */
+#define st_atime	st_atim.tv_sec
+#define st_mtime	st_mtim.tv_sec
+#define st_ctime	st_ctim.tv_sec
+#define st_crtime	st_crtim.tv_sec
+
+
 /* extended file types */
 #define S_ATTR_DIR			01000000000	/* attribute directory */
 #define S_ATTR				02000000000	/* attribute */