initial version for reworked extended attributes build environment.

4 files changed, 549 insertions, 0 deletions

diff --git a/include/Makefile b/include/Makefile
new file mode 100644
index 0000000..53f77db
--- /dev/null
+++ b/include/Makefile
@@ -0,0 +1,45 @@
+#
+# Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
+# 
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of version 2 of the GNU General Public License as
+# published by the Free Software Foundation.
+# 
+# This program is distributed in the hope that it would be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# 
+# Further, this software is distributed without any warranty that it is
+# free of the rightful claim of any third person regarding infringement
+# or the like.  Any license provided herein, whether implied or
+# otherwise, applies only to this software file.  Patent licenses, if
+# any, provided herein do not apply to combinations of this program with
+# other software, or any other product whatsoever.
+# 
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write the Free Software Foundation, Inc., 59
+# Temple Place - Suite 330, Boston MA 02111-1307, USA.
+# 
+# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+# Mountain View, CA  94043, or:
+# 
+# http://www.sgi.com 
+# 
+# For further information regarding this notice, see: 
+# 
+# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+#
+
+TOPDIR = ..
+include $(TOPDIR)/include/builddefs
+
+HFILES = attributes.h
+LSRCFILES = builddefs.in buildrules
+
+default install :
+
+include $(BUILDRULES)
+
+install-dev: default
+	$(INSTALL) -m 755 -d $(PKG_INC_DIR)
+	$(INSTALL) -m 644 $(HFILES) $(PKG_INC_DIR)
diff --git a/include/attributes.h b/include/attributes.h
new file mode 100644
index 0000000..e670438
--- /dev/null
+++ b/include/attributes.h
@@ -0,0 +1,260 @@
+/*
+ * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * 
+ * Further, this software is distributed without any warranty that it is
+ * free of the rightful claim of any third person regarding infringement
+ * or the like.  Any license provided herein, whether implied or
+ * otherwise, applies only to this software file.  Patent licenses, if
+ * any, provided herein do not apply to combinations of this program with
+ * other software, or any other product whatsoever.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ * 
+ * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+ * Mountain View, CA  94043, or:
+ * 
+ * http://www.sgi.com 
+ * 
+ * For further information regarding this notice, see: 
+ * 
+ * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ */
+#ifndef __ATTRIBUTES_H__
+#define	__ATTRIBUTES_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * The (experimental) Linux generic attribute syscall - attrctl(2)
+ */
+
+typedef union attr_obj {
+	char	*path;
+	int	fd;
+	pid_t	pid;
+} attr_obj_t;
+
+typedef struct attr_op {
+	int	opcode;		/* which operation to perform */
+	int	error;		/* result (an errno) of this operation [out] */
+	char	*name;		/* attribute name */
+	char	*value;		/* attribute value [in/out] */
+	int	length;		/* value length [in/out] */
+	int	flags;		/* bitwise OR of #defines below */
+	void	*aux;		/* optional cmd specific data */
+} attr_op_t;
+
+extern int attrctl (attr_obj_t __obj, int __type, attr_op_t *__ops, int __count);
+
+/* 
+ * attr_obj_t type identifiers
+ */
+#define ATTR_TYPE_FD		1	/* file descriptor */
+#define ATTR_TYPE_PATH		2	/* path - follow symlinks */
+#define ATTR_TYPE_LPATH		3	/* path - don't follow symlinks */
+#define ATTR_TYPE_PID		4	/* process id */
+
+/*
+ * attrctl(2) commands
+ */
+#define ATTR_OP_GET	1	/* return the indicated attr's value */
+#define ATTR_OP_SET	2	/* set/create the indicated attr/value pair */
+#define ATTR_OP_REMOVE	3	/* remove the indicated attr */
+#define ATTR_OP_LIST	4	/* list attributes associated with a file */
+#define ATTR_OP_EXT	32	/* for supporting extensions */
+
+/*
+ * Valid command flags, may be used with all attrctl(2) commands.
+ * Flags should be bitwise OR'ed together.
+ */
+#define ATTR_ROOT	0x0001	/* use attrs in root namespace, not user */
+#define ATTR_CREATE	0x0002	/* pure create: fail if attr already exists */
+#define ATTR_REPLACE	0x0004	/* pure set: fail if attr does not exist */
+#define ATTR_SHIFT	16	/* for supporting extensions */
+
+/*
+ * Additional API specific opcodes & flags
+ */
+#define ATTR_OP_IRIX_LIST (ATTR_OP_EXT + 0)	/* IRIX: for supporting strange */
+						/* attr_list(f) API semantics */
+#define ATTR_DONTFOLLOW	(0x0001	<< ATTR_SHIFT)	/* IRIX: do not follow symlinks */
+						/* (now redundant) */
+#define ATTR_TRUST	(0x0002 << ATTR_SHIFT)	/* IRIX: tell server we can be */
+						/* trusted to properly handle */
+						/* extended attributes */
+
+/*
+ *
+ * The IRIX extended attributes API, fully implemented by XFS
+ *
+ */
+
+/*
+ * The maximum size (into the kernel or returned from the kernel) of an
+ * attribute value or the buffer used for an attr_list() call.  Larger
+ * sizes will result in an E2BIG return code.
+ */
+#define	ATTR_MAX_VALUELEN	(64*1024)	/* max length of a value */
+
+/*
+ * Define how lists of attribute names are returned to the user from
+ * the attr_list() syscall.  A large, 32bit aligned, buffer is passed in
+ * along with its size.  We put an array of offsets at the top that each
+ * reference an attrlist_ent_t and pack the attrlist_ent_t's at the bottom.
+ */
+typedef struct attrlist {
+	__s32		al_count;	/* number of entries in attrlist */
+	__s32		al_more;	/* T/F: more attrs (do syscall again) */
+	__s32		al_offset[1];	/* byte offsets of attrs [var-sized] */
+} attrlist_t;
+
+/*
+ * Show the interesting info about one attribute.  This is what the
+ * al_offset[i] entry points to.
+ */
+typedef struct attrlist_ent {			/* data from attr_list() */
+	__u32		a_valuelen;	/* number bytes in value of attr */
+	char		a_name[1];	/* attr name (NULL terminated) */
+} attrlist_ent_t;
+
+/*
+ * Given a pointer to the (char*) buffer containing the attr_list() result,
+ * and an index, return a pointer to the indicated attribute in the buffer.
+ */
+#define	ATTR_ENTRY(buffer, index)		\
+	((attrlist_ent_t *)			\
+	 &((char *)buffer)[ ((attrlist_t *)(buffer))->al_offset[index] ])
+
+
+/*
+ * Implement a "cursor" for use in successive attr_list() system calls.
+ * It provides a way to find the last attribute that was returned in the
+ * last attr_list() syscall so that we can get the next one without missing
+ * any.  This should be bzero()ed before use and whenever it is desired to
+ * start over from the beginning of the attribute list.  The only valid
+ * operation on a cursor is to bzero() it.
+ */
+typedef struct attrlist_cursor {
+	__u32		opaque[4];	/* an opaque cookie */
+} attrlist_cursor_t;
+
+/*
+ * Multi-attribute operation vector.
+ */
+typedef struct attr_multiop {
+	int	am_opcode;	/* which operation to perform (ATTR_OP_GET etc.)*/
+	int	am_error;	/* [out arg] result of this sub-op (an errno) */
+	char	*am_attrname;	/* attribute name to work with */
+	char	*am_attrvalue;	/* [in/out arg] attribute value (raw bytes) */
+	int	am_length;	/* [in/out arg] length of value */
+	int	am_flags;	/* bitwise OR of attrctl(2) flags defined above */
+} attr_multiop_t;
+#define	ATTR_MAX_MULTIOPS	128	/* max number ops in an oplist array */
+
+/*
+ * Get the value of an attribute.
+ * Valuelength must be set to the maximum size of the value buffer, it will
+ * be set to the actual number of bytes used in the value buffer upon return.
+ * The return value is -1 on error (w/errno set appropriately), 0 on success.
+ */
+extern int attr_get (const char *path, const char *attrname, char *attrvalue,
+			int *valuelength, int flags);
+extern int attr_getf (int fd, const char *attrname, char *attrvalue,
+			int *valuelength, int flags);
+
+/*
+ * Set the value of an attribute, creating the attribute if necessary.
+ * The return value is -1 on error (w/errno set appropriately), 0 on success.
+ */
+extern int attr_set (const char *__path, const char *__attrname,
+			const char *__attrvalue, const int __valuelength,
+			int __flags);
+extern int attr_setf (int __fd, const char *__attrname,
+			const char *__attrvalue, const int __valuelength,
+			int __flags);
+
+/*
+ * Remove an attribute.
+ * The return value is -1 on error (w/errno set appropriately), 0 on success.
+ */
+extern int attr_remove (const char *__path, const char *__attrname,
+			int __flags);
+extern int attr_removef (int __fd, const char *__attrname, int __flags);
+
+/*
+ * List the names and sizes of the values of all the attributes of an object.
+ * "Cursor" must be allocated and zeroed before the first call, it is used
+ * to maintain context between system calls if all the attribute names won't
+ * fit into the buffer on the first system call.
+ * The return value is -1 on error (w/errno set appropriately), 0 on success.
+ */
+extern int attr_list (const char *__path, char *__buffer,
+			const int __buffersize, int __flags,
+			attrlist_cursor_t *__cursor);
+extern int attr_listf (int __fd, char *__buffer, const int __buffersize,
+			int __flags, attrlist_cursor_t *__cursor);
+
+/*
+ * Operate on multiple attributes of the same object simultaneously.
+ *
+ * This call will save on system call overhead when many attributes are
+ * going to be operated on.
+ *
+ * The return value is -1 on error (w/errno set appropriately), 0 on success.
+ * Note that this call will not return -1 as a result of failure of any
+ * of the sub-operations, their return value is stored in each element
+ * of the operation array.  This call will return -1 for a failure of the
+ * call as a whole, eg: if the pathname doesn't exist, or the fd is bad.
+ *
+ * The semantics and allowable values for the fields in a attr_multiop_t
+ * are the same as the semantics and allowable values for the arguments to
+ * the corresponding "simple" attribute interface.  For example: the args
+ * to a ATTR_OP_GET are the same as the args to an attr_get() call.
+ */
+extern int attr_multi (const char *__path, attr_multiop_t *__oplist,
+			int __count, int __flags);
+extern int attr_multif (int __fd, attr_multiop_t *__oplist,
+			int __count, int __flags);
+
+#ifdef __KERNEL__
+
+/*
+ * The DMI needs a way to update attributes without affecting the inode
+ * timestamps.  Note that this flag is not settable from user mode, it is
+ * kernel internal only, but it must not conflict with the above flags either.
+ */
+#define ATTR_KERNOTIME	(0x0004 << ATTR_SHIFT)	/* IRIX: don't update the inode */
+						/* timestamps */
+
+/*
+ * Kernel-internal version of the attrlist cursor.
+ */
+typedef struct attrlist_cursor_kern {
+	__u32		hashval;	/* hash value of next entry to add */
+	__u32		blkno;		/* block containing entry (suggestion)*/
+	__u32		offset;		/* offset in list of equal-hashvals */
+	__u16		pad1;		/* padding to match user-level */
+	__u8		pad2;		/* padding to match user-level */
+	__u8		initted;	/* T/F: cursor has been initialized */
+} attrlist_cursor_kern_t;
+
+#endif /* __KERNEL__ */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* __ATTRIBUTES_H__ */
diff --git a/include/builddefs.in b/include/builddefs.in
new file mode 100644
index 0000000..58a736f
--- /dev/null
+++ b/include/builddefs.in
@@ -0,0 +1,167 @@
+#
+# Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
+# 
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of version 2 of the GNU General Public License as
+# published by the Free Software Foundation.
+# 
+# This program is distributed in the hope that it would be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# 
+# Further, this software is distributed without any warranty that it is
+# free of the rightful claim of any third person regarding infringement
+# or the like.  Any license provided herein, whether implied or
+# otherwise, applies only to this software file.  Patent licenses, if
+# any, provided herein do not apply to combinations of this program with
+# other software, or any other product whatsoever.
+# 
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write the Free Software Foundation, Inc., 59
+# Temple Place - Suite 330, Boston MA 02111-1307, USA.
+# 
+# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+# Mountain View, CA  94043, or:
+# 
+# http://www.sgi.com 
+# 
+# For further information regarding this notice, see: 
+# 
+# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+#
+# @configure_input@
+#
+
+ifndef _BUILDDEFS_INCLUDED_
+_BUILDDEFS_INCLUDED_ = 1
+
+DEBUG = @debug_build@
+OPTIMIZER = @opt_build@
+MALLOCLIB = @malloc_lib@
+
+#LIBATTR = -lattr
+LIBATTR = $(TOPDIR)/libattr/libattr.a
+
+BUILDRULES = $(TOPDIR)/include/buildrules
+
+# General package information
+PKG_NAME = @pkg_name@
+PKG_RELEASE = @pkg_release@
+PKG_VERSION = @pkg_version@
+PKG_DISTRIBUTION = @pkg_distribution@
+PKG_BUILDER = @pkg_builder@
+PKG_BIN_DIR = @pkg_bin_dir@
+PKG_LIB_DIR = @pkg_lib_dir@
+PKG_SBIN_DIR = @pkg_sbin_dir@
+PKG_SLIB_DIR = @pkg_slib_dir@
+PKG_INC_DIR = @pkg_inc_dir@
+PKG_MAN_DIR = @pkg_man_dir@
+PKG_DOC_DIR = @pkg_doc_dir@
+
+# LCFLAGS, LLDFLAGS, LLDLIBS, LSRCFILES and LDIRT may be specified in
+# user Makefiles. Note: LSRCFILES is anything other than Makefile, $(CFILES)
+# $(CXXFILES), or $(HFILES) and is used to construct the manifest list
+# during the "dist" phase (packaging).
+
+CFLAGS += $(OPTIMIZER) $(DEBUG) -funsigned-char -Wall -Wno-parentheses \
+	$(LCFLAGS) -I$(TOPDIR)/include '-DVERSION="$(PKG_VERSION)"' \
+	-D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
+
+LDFLAGS = $(LLDFLAGS)
+LDLIBS = $(LLDLIBS) $(MALLOCLIB)
+
+MAKEOPTS = --no-print-directory
+SRCFILES = Makefile $(HFILES) $(CFILES) $(LSRCFILES) $(LFILES) $(YFILES)
+DIRT = $(LDIRT) dep dep.bak $(OBJECTS) $(CMDTARGET) $(LIBTARGET) \
+	$(STATICLIBTARGET) *.[1-9].gz
+
+OBJECTS = $(ASFILES:.s=.o) \
+          $(CFILES:.c=.o) \
+          $(LFILES:.l=.o) \
+          $(YFILES:%.y=%.tab.o)
+
+MAKE	= @make@
+CC	= @cc@
+LD	= @ld@
+AWK	= @awk@
+SED	= @sed@
+INSTALL	= $(TOPDIR)/install-sh -o root -g root
+ECHO	= @echo@
+LN_S	= @LN_S@
+
+CCF	= $(CC) $(CFLAGS)
+MAKEF	= $(MAKE) $(MAKEOPTS)
+CXXF	= $(CXX) $(CXXFLAGS)
+LDF	= $(LD) $(LDFLAGS)
+MAKEDEPEND  = @makedepend@
+
+ZIP	= @zip@
+TAR	= @tar@
+RPM	= @rpm@
+RPM_VERSION = @rpm_version@
+
+HAVE_ZIPPED_MANPAGES = @have_zipped_manpages@
+
+SHELL = /bin/sh
+IMAGES_DIR = $(TOPDIR)/all-images
+DIST_DIR = $(TOPDIR)/dist
+
+SUBDIRS_MAKERULE = \
+	@for d in $(SUBDIRS) ""; do \
+	    if test -d "$$d" -a ! -z "$$d"; then \
+		$(ECHO) === $$d ===; \
+		$(MAKEF) -C $$d $@ || exit $$?; \
+	    fi; \
+	done
+
+MAN_MAKERULE = \
+    @for f in *.[12345678] ""; do \
+	if test ! -z "$$f"; then \
+	    $(ZIP) --best -c < $$f > $$f.gz; \
+	fi; \
+    done
+
+INSTALL_MAN = \
+    @for d in $(MAN_PAGES); do \
+	first=true; \
+	for m in `$(AWK) '/^\.SH NAME/ {ok=1; next} ok {print; exit}' $$d \
+	| sed -e 's/,/ /g' -e 's/\\-.*//' -e 's/\\\f[0-9]//g' -e 's/  / /g;q'`; \
+	do \
+	    [ -z "$$m" -o "$$m" = "\\" ] && continue; \
+	    t=$(MAN_DEST)/$$m.$(MAN_SECTION); \
+	    if $$first; then \
+		if $(HAVE_ZIPPED_MANPAGES); then \
+		    $(ZIP) --best -c $$d > $$d.gz; _sfx=.gz; \
+		fi; \
+		u=$$m.$(MAN_SECTION)$$_sfx; \
+		echo $(INSTALL) -m 644 $${d}$$_sfx $${t}$$_sfx; \
+		$(INSTALL) -m 644 $${d}$$_sfx $${t}$$_sfx; \
+	    else \
+		echo $(INSTALL) -S $$u $${t}$$_sfx; \
+		$(INSTALL) -S $$u $${t}$$_sfx; \
+	    fi; \
+	    first=false; \
+	done; \
+    done
+
+DIST_MAKERULE = \
+	$(MAKEF) -C build dist
+
+SOURCE_MAKERULE = \
+	@test -z "$$DIR" && DIR="."; \
+	for f in $(SRCFILES) ""; do \
+	    if test ! -z "$$f"; then $(ECHO) $$DIR/$$f; fi;\
+	done; \
+	for d in `echo $(SUBDIRS)` ; do \
+	    if test -d "$$d" -a ! -z "$$d"; then \
+		$(MAKEF) DIR=$$DIR/$$d -C $$d $@ || exit $$?; \
+	    fi; \
+	done
+
+endif
+
+#
+# For targets that should always be rebuilt,
+# define a target that is never up-to-date.
+# Targets needing this should depend on $(_FORCE)
+_FORCE = __force_build
diff --git a/include/buildrules b/include/buildrules
new file mode 100644
index 0000000..dab3fae
--- /dev/null
+++ b/include/buildrules
@@ -0,0 +1,77 @@
+#
+# Copyright (C) 1999 Silicon Graphics, Inc.  All Rights Reserved.
+# 
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of version 2 of the GNU General Public License as published
+# by the Free Software Fondation.
+# 
+# This program is distributed in the hope that it would be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  Further, any license provided herein,
+# whether implied or otherwise, is limited to this program in accordance with
+# the express provisions of the GNU General Public License.  Patent licenses,
+# if any, provided herein do not apply to combinations of this program with
+# other product or programs, or any other product whatsoever.  This program is
+# distributed without any warranty that the program is delivered free of the
+# rightful claim of any third person by way of infringement or the like.  See
+# the GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write the Free Software Foundation, Inc., 59 Temple
+# Place - Suite 330, Boston MA 02111-1307, USA.
+# Common build rules for gmake
+#
+ifndef _BUILDRULES_INCLUDED_
+_BUILDRULES_INCLUDED_ = 1
+
+include $(TOPDIR)/include/builddefs
+
+#
+# Standard targets
+#
+ifdef CMDTARGET
+$(CMDTARGET) : $(SUBDIRS) $(OBJECTS)
+	$(CCF) -o $(CMDTARGET) $(LDFLAGS) $(OBJECTS) $(LDLIBS) 
+$(CMDTARGET).static : $(SUBDIRS) $(OBJECTS)
+	$(CCF) -static -o $(CMDTARGET).static $(LDFLAGS) $(OBJECTS) $(LDLIBS) 
+endif
+
+ifdef LIBTARGET
+$(LIBTARGET) : $(SUBDIRS) $(OBJECTS)
+	$(CC) $(LDFLAGS) -fPIC -shared -Wl,-soname,$(LIBTARGET) -o $(LIBTARGET) $(OBJECTS) $(LDLIBS)
+endif
+
+ifdef STATICLIBTARGET
+$(STATICLIBTARGET) : $(SUBDIRS) $(OBJECTS)
+	$(AR) crf $(STATICLIBTARGET) $?
+endif
+
+clean clobber : $(SUBDIRS)
+	rm -f $(DIRT)
+	$(SUBDIRS_MAKERULE)
+
+# Never blow away subdirs
+ifdef SUBDIRS
+.PRECIOUS: $(SUBDIRS)
+$(SUBDIRS):
+	$(SUBDIRS_MAKERULE)
+endif
+
+source :
+	$(SOURCE_MAKERULE)
+
+endif
+
+$(_FORCE):
+
+.PHONY : depend
+
+depend : $(CFILES) $(HFILES)
+	$(SUBDIRS_MAKERULE)
+	touch dep
+	$(MAKEDEPEND) -fdep -- $(CFLAGS) -- $(CFILES)
+
+# Include dep, but only if it exists
+ifeq ($(shell test -f dep && echo dep), dep)
+include dep
+endif