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-rw-r--r--test/ruby/test_econv.rb4
-rw-r--r--transcode.c13
2 files changed, 13 insertions, 4 deletions
diff --git a/test/ruby/test_econv.rb b/test/ruby/test_econv.rb
index caa0fca8b7..5a4af9b6a3 100644
--- a/test/ruby/test_econv.rb
+++ b/test/ruby/test_econv.rb
@@ -922,7 +922,9 @@ class TestEncodingConverter < Test::Unit::TestCase
end
newlines.each do |nl|
opts = {newline: :universal, nl => true}
- ec2 = Encoding::Converter.new("", "", **opts)
+ ec2 = assert_warning(/:newline option preceds/, opts.inspect) do
+ Encoding::Converter.new("", "", **opts)
+ end
assert_equal(ec1, ec2)
end
end
diff --git a/transcode.c b/transcode.c
index a336f5d9ad..5cdaaaf61f 100644
--- a/transcode.c
+++ b/transcode.c
@@ -2418,6 +2418,7 @@ static int
econv_opts(VALUE opt, int ecflags)
{
VALUE v;
+ int newlineflag = 0;
v = rb_hash_aref(opt, sym_invalid);
if (NIL_P(v)) {
@@ -2463,6 +2464,7 @@ econv_opts(VALUE opt, int ecflags)
#ifdef ENABLE_ECONV_NEWLINE_OPTION
v = rb_hash_aref(opt, sym_newline);
if (!NIL_P(v)) {
+ newlineflag = 2;
ecflags &= ~ECONV_NEWLINE_DECORATOR_MASK;
if (v == sym_universal) {
ecflags |= ECONV_UNIVERSAL_NEWLINE_DECORATOR;
@@ -2484,10 +2486,9 @@ econv_opts(VALUE opt, int ecflags)
rb_raise(rb_eArgError, "unexpected value for newline option");
}
}
- else
#endif
{
- int setflags = 0, newlineflag = 0;
+ int setflags = 0;
v = rb_hash_aref(opt, sym_universal_newline);
if (RTEST(v))
@@ -2504,9 +2505,15 @@ econv_opts(VALUE opt, int ecflags)
setflags |= ECONV_CR_NEWLINE_DECORATOR;
newlineflag |= !NIL_P(v);
- if (newlineflag) {
+ switch (newlineflag) {
+ case 1:
ecflags &= ~ECONV_NEWLINE_DECORATOR_MASK;
ecflags |= setflags;
+ break;
+
+ case 3:
+ rb_warning(":newline option preceds other newline options");
+ break;
}
}