[Emacs-diffs] /srv/bzr/emacs/trunk r112244: Ignore additional platform-specific ACL errors (Bug#13702).

[Romain Francoise]

------------------------------------------------------------
revno: 112244
committer: Romain Francoise <address@hidden>
branch nick: trunk
timestamp: Sun 2013-04-07 13:21:39 +0200
message:
  Ignore additional platform-specific ACL errors (Bug#13702).
  
  * fileio.c (ACL_NOT_WELL_SUPPORTED): New macro copied from gnulib.
  (Fcopy_file, Fset_file_acl) [HAVE_POSIX_ACL]: Use it.
modified:
  src/ChangeLog
  src/fileio.c

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2013-04-07 10:51:29 +0000
+++ b/src/ChangeLog     2013-04-07 11:21:39 +0000
@@ -1,3 +1,9 @@
+2013-04-07  Romain Francoise  <address@hidden>
+
+       Ignore additional platform-specific ACL errors (Bug#13702).
+       * fileio.c (ACL_NOT_WELL_SUPPORTED): New macro copied from gnulib.
+       (Fcopy_file, Fset_file_acl) [HAVE_POSIX_ACL]: Use it.
+
 2013-03-31  Jan Djärv  <address@hidden>
 
        * nsterm.m (ns_mouse_position): Use NS_FRAME_P instead of checking

=== modified file 'src/fileio.c'
--- a/src/fileio.c      2013-04-07 04:41:19 +0000
+++ b/src/fileio.c      2013-04-07 11:21:39 +0000
@@ -81,6 +81,23 @@
 #define DRIVE_LETTER(x) c_tolower (x)
 #endif
 
+#ifdef HAVE_POSIX_ACL
+/* FIXME: this macro was copied from gnulib's private acl-internal.h
+   header file.  */
+/* Recognize some common errors such as from an NFS mount that does
+   not support ACLs, even when local drives do.  */
+#if defined __APPLE__ && defined __MACH__ /* Mac OS X */
+#define ACL_NOT_WELL_SUPPORTED(Err)                                    \
+  ((Err) == ENOTSUP || (Err) == ENOSYS || (Err) == EINVAL || (Err) == EBUSY || 
(Err) == ENOENT)
+#elif defined EOPNOTSUPP /* Tru64 NFS */
+#define ACL_NOT_WELL_SUPPORTED(Err)                                    \
+  ((Err) == ENOTSUP || (Err) == ENOSYS || (Err) == EINVAL || (Err) == EBUSY || 
(Err) == EOPNOTSUPP)
+#else
+#define ACL_NOT_WELL_SUPPORTED(Err)                                    \
+  ((Err) == ENOTSUP || (Err) == ENOSYS || (Err) == EINVAL || (Err) == EBUSY)
+#endif
+#endif /* HAVE_POSIX_ACL */
+
 #include "systime.h"
 #include <allocator.h>
 #include <careadlinkat.h>
@@ -2011,7 +2028,7 @@
     {
 #ifdef HAVE_POSIX_ACL
       acl = acl_get_file (SDATA (encoded_file), ACL_TYPE_ACCESS);
-      if (acl == NULL && errno != ENOTSUP)
+      if (acl == NULL && !ACL_NOT_WELL_SUPPORTED (errno))
        report_file_error ("Getting ACL", Fcons (file, Qnil));
 #endif
     }
@@ -2055,7 +2072,7 @@
     {
       bool fail =
        acl_set_file (SDATA (encoded_newname), ACL_TYPE_ACCESS, acl) != 0;
-      if (fail && errno != ENOTSUP)
+      if (fail && !ACL_NOT_WELL_SUPPORTED (errno))
        report_file_error ("Setting ACL", Fcons (newname, Qnil));
 
       acl_free (acl);
@@ -2087,7 +2104,7 @@
 
 #ifdef HAVE_POSIX_ACL
       acl = acl_get_fd (ifd);
-      if (acl == NULL && errno != ENOTSUP)
+      if (acl == NULL && !ACL_NOT_WELL_SUPPORTED (errno))
        report_file_error ("Getting ACL", Fcons (file, Qnil));
 #endif
     }
@@ -2176,7 +2193,7 @@
   if (acl != NULL)
     {
       bool fail = acl_set_fd (ofd, acl) != 0;
-      if (fail && errno != ENOTSUP)
+      if (fail && !ACL_NOT_WELL_SUPPORTED (errno))
        report_file_error ("Setting ACL", Fcons (newname, Qnil));
 
       acl_free (acl);
@@ -3174,7 +3191,7 @@
       fail = (acl_set_file (SSDATA (encoded_absname), ACL_TYPE_ACCESS,
                            acl)
              != 0);
-      if (fail && errno != ENOTSUP)
+      if (fail && !ACL_NOT_WELL_SUPPORTED (errno))
        report_file_error ("Setting ACL", Fcons (absname, Qnil));
 
       acl_free (acl);