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-rw-r--r--string.c14
-rw-r--r--test/ruby/test_m17n.rb2
2 files changed, 11 insertions, 5 deletions
diff --git a/string.c b/string.c
index 962848e4a7..6eaf218e33 100644
--- a/string.c
+++ b/string.c
@@ -9206,9 +9206,15 @@ rb_enc_str_scrub(rb_encoding *enc, VALUE str, VALUE repl)
int encidx;
VALUE buf = Qnil;
const char *rep;
- long replen;
+ long replen = -1;
int tainted = 0;
+ if (rb_block_given_p()) {
+ if (!NIL_P(repl))
+ rb_raise(rb_eArgError, "both of block and replacement given");
+ replen = 0;
+ }
+
if (ENC_CODERANGE_CLEAN_P(cr))
return Qnil;
@@ -9232,9 +9238,8 @@ rb_enc_str_scrub(rb_encoding *enc, VALUE str, VALUE repl)
const char *e = RSTRING_END(str);
const char *p1 = p;
int rep7bit_p;
- if (rb_block_given_p()) {
+ if (!replen) {
rep = NULL;
- replen = 0;
rep7bit_p = FALSE;
}
else if (!NIL_P(repl)) {
@@ -9345,9 +9350,8 @@ rb_enc_str_scrub(rb_encoding *enc, VALUE str, VALUE repl)
const char *e = RSTRING_END(str);
const char *p1 = p;
long mbminlen = rb_enc_mbminlen(enc);
- if (rb_block_given_p()) {
+ if (!replen) {
rep = NULL;
- replen = 0;
}
else if (!NIL_P(repl)) {
rep = RSTRING_PTR(repl);
diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb
index 44f19254dc..a16e49c27a 100644
--- a/test/ruby/test_m17n.rb
+++ b/test/ruby/test_m17n.rb
@@ -1625,6 +1625,7 @@ class TestM17N < Test::Unit::TestCase
assert_equal(u("\x81"), u("a\x81c").scrub {|c| break c})
assert_raise(ArgumentError) {u("a\x81").scrub {|c| c}}
+ assert_raise(ArgumentError) {u("a").scrub("?") {|c| c}}
end
def test_scrub_widechar
@@ -1645,6 +1646,7 @@ class TestM17N < Test::Unit::TestCase
"\x00\xD8\x42\x30".force_encoding(Encoding::UTF_16LE).
scrub {|e| c = e; "?".encode(Encoding::UTF_16LE)})
assert_equal("\x00\xD8".force_encoding(Encoding::UTF_16LE), c)
+ assert_raise(ArgumentError) {"\uFFFD\u3042".encode("UTF-16BE").scrub("") {}}
end
def test_scrub_dummy_encoding