Merge branch 'sverk/r16/utf8-atoms'

* sverk/r16/utf8-atoms:
  erl_interface: Fix bug when transcoding atoms from and to UTF8
  erl_interface: Changed erlang_char_encoding interface
  erts: Testcase doing unicode atom printout with ~w
  erl_interface: even more utf8 atom stuff
  erts: Fix bug in analyze_utf8 causing faulty latin1 detection
  Add UTF-8 node name support for epmd
  workaround...
  Fix merge conflict with hasse
  UTF-8 atom documentation
  test case
  erl_interface: utf8 atoms continued
  Add utf8 atom distribution test cases
  atom fixes for NIFs and atom_to_binary
  UTF-8 support for distribution
  Implement UTF-8 atom support for jinterface
  erl_interface: Enable decode of unicode atoms
  stdlib: Fix printing of unicode atoms
  erts: Change internal representation of atoms to utf8
  erts: Refactor rename DFLAG(S)_INTERNAL_TAGS for conformity

Conflicts:
	erts/emulator/beam/io.c

OTP-10753

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/erl_interface/src/misc/ei_format.c b/lib/erl_interface/src/misc/ei_format.c
index 281a192535..b5f11e618e 100644
--- a/lib/erl_interface/src/misc/ei_format.c
+++ b/lib/erl_interface/src/misc/ei_format.c
@@ -139,8 +139,8 @@ static int patom(const char** fmt, ei_x_buff* x)
     --(*fmt);
     len = *fmt - start;
     /* FIXME why truncate atom name and not fail?! */
-    if (len > MAXATOMLEN)
-	len = MAXATOMLEN;
+    if (len >= MAXATOMLEN)
+	len = MAXATOMLEN-1;
     return ei_x_encode_atom_len(x, start, len);
 }