* fileio.c (Fmake_symbolic_link): Treat ENOSYS specially, and

generate a special message for it.  Suggested by Eli Zaretskii in
<http://lists.gnu.org/archive/html/emacs-devel/2011-02/msg00995.html>.

diff --git a/src/ChangeLog b/src/ChangeLog
index 0bfadcf1a911a648dfc3153e60d4f289ee4676c1..a8de7268673762c019fa394aabc4a3e4511c1c61 100644 (file)
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,6 +1,9 @@
 2011-02-25  Paul Eggert  <eggert@cs.ucla.edu>
 
        Simplify symlink portability workaround.
+       * fileio.c (Fmake_symbolic_link): Treat ENOSYS specially, and
+       generate a special message for it.  Suggested by Eli Zaretskii in
+       <http://lists.gnu.org/archive/html/emacs-devel/2011-02/msg00995.html>.
        * config.in: Regenerate.
 
        * dired.c (Ffile_attributes): Increase size of modes from 10 to 12

diff --git a/src/fileio.c b/src/fileio.c
index 26006d63052bbeb0c462ca952d9c61645013cf8c..18e9dbe9680db7f97026d7cc97da0406099c8324 100644 (file)
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -2325,6 +2325,12 @@ This happens for interactive use with M-x.  */)
              return Qnil;
            }
        }
+      if (errno == ENOSYS)
+       {
+         UNGCPRO;
+         xsignal1 (Qfile_error,
+                   build_string ("Symbolic links are not supported"));
+       }
 
       report_file_error ("Making symbolic link", list2 (filename, linkname));
     }