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What are your thoughts on using Extended Attributes for items such as:
* Dos Attributes (like samba's store dos attributes = yes)
* File Creation Times (like samba's proposed user.crtime)
* An option for alternate storage of NT ACLs (like samba's vfs object =
acl-xattr)
Are Extended Attributes acceptable?
Or should they never touch the wine source?
Where would the portability functions for Extended Attributes on Linux,
Mac OS X, FreeBSD and Solaris belong? I would think in libport.
Attached is a patch to add extended attribute portability functions for
fgetxattr, fsetxattr and fremovexattr to libport.
Please give me any comments on this patch, and the idea of using
extended attributes.
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From 2ef84c7f8c849db18ce15366e72c6787fa83597d Mon Sep 17 00:00:00 2001
From: Benjamin Peddell klightsp...@netspace.net.au
Date: Mon, 16 Nov 2009 01:23:28 +1000
Subject: [PATCH] Add Extended Attribute support to libport
---
configure| 178 ++
configure.ac | 45
include/config.h.in | 39 ++
include/wine/port.h | 36 +
libs/port/Makefile.in|3 +
libs/port/fgetxattr.c| 96 +
libs/port/fremovexattr.c | 75 +++
libs/port/fsetxattr.c| 102 ++
8 files changed, 574 insertions(+), 0 deletions(-)
create mode 100644 libs/port/fgetxattr.c
create mode 100644 libs/port/fremovexattr.c
create mode 100644 libs/port/fsetxattr.c
diff --git a/configure b/configure
index 15652b4..c9322b3 100755
--- a/configure
+++ b/configure
@@ -5747,6 +5747,7 @@ for ac_header in \
sys/errno.h \
sys/event.h \
sys/exec_elf.h \
+ sys/extattr.h \
sys/filio.h \
sys/inotify.h \
sys/ioctl.h \
@@ -5782,6 +5783,7 @@ for ac_header in \
sys/utsname.h \
sys/vm86.h \
sys/wait.h \
+ sys/xattr.h \
syscall.h \
termios.h \
unistd.h \
@@ -12084,6 +12086,9 @@ for ac_func in \
chsize \
dlopen \
epoll_create \
+ extattr_delete_fd \
+ extattr_get_fd \
+ extattr_set_fd \
ffs \
finite \
fnmatch \
@@ -12105,6 +12110,7 @@ for ac_func in \
lstat \
memmove \
mmap \
+ openat \
pclose \
pipe2 \
poll \
@@ -12137,6 +12143,7 @@ for ac_func in \
tcgetattr \
thr_kill2 \
timegm \
+ unlinkat \
usleep \
vsnprintf \
wait4 \
@@ -12262,6 +12269,81 @@ fi
fi
+{ $as_echo $as_me:${as_lineno-$LINENO}: checking for library containing
fgetxattr 5
+$as_echo_n checking for library containing fgetxattr... 6; }
+if test ${ac_cv_search_fgetxattr+set} = set; then :
+ $as_echo_n (cached) 6
+else
+ ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - _ACEOF conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern C
+#endif
+char fgetxattr ();
+int
+main ()
+{
+return fgetxattr ();
+ ;
+ return 0;
+}
+_ACEOF
+for ac_lib in '' attr; do
+ if test -z $ac_lib; then
+ac_res=none required
+ else
+ac_res=-l$ac_lib
+LIBS=-l$ac_lib $ac_func_search_save_LIBS
+ fi
+ if ac_fn_c_try_link $LINENO; then :
+ ac_cv_search_fgetxattr=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+conftest$ac_exeext
+ if test ${ac_cv_search_fgetxattr+set} = set; then :
+ break
+fi
+done
+if test ${ac_cv_search_fgetxattr+set} = set; then :
+
+else
+ ac_cv_search_fgetxattr=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo $as_me:${as_lineno-$LINENO}: result: $ac_cv_search_fgetxattr 5
+$as_echo $ac_cv_search_fgetxattr 6; }
+ac_res=$ac_cv_search_fgetxattr
+if test $ac_res != no; then :
+ test $ac_res = none required || LIBS=$ac_res $LIBS
+
+fi
+
+
+for ac_func in \
+ fgetxattr \
+ fremovexattr \
+ fsetxattr \
+
+do :
+ as_ac_var=`$as_echo ac_cv_func_$ac_func | $as_tr_sh`
+ac_fn_c_check_func $LINENO $ac_func $as_ac_var
+eval as_val=\$$as_ac_var
+ if test x$as_val = xyes; then :
+ cat confdefs.h _ACEOF
+#define `$as_echo HAVE_$ac_func | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
{ $as_echo $as_me:${as_lineno-$LINENO}: checking for library containing
gethostbyname 5
$as_echo_n checking for library containing gethostbyname... 6; }
if test ${ac_cv_search_gethostbyname+set} = set; then :
@@ -12616,6 +12698,102 @@ $as_echo #define HAVE_ONE_ARG_MKDIR 1 confdefs.h
fi
+{ $as_echo
