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merge revision(s) 199b59f065: [Backport #19116]

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Fix bug in array pack with shared strings

	If string literals are long and they become shared, we need to make them
	independent before we can write to them. [Bug #19116]
	---
	 pack.c                  | 1 +
	 test/ruby/test_array.rb | 6 ++++++
	 2 files changed, 7 insertions(+)
This commit is contained in:
nagachika 2022-11-13 11:13:53 +09:00
parent 0f334f90d0
commit db1aa39ffc
3 changed files with 11 additions and 4 deletions
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1
pack.c
View file

@ -217,6 +217,7 @@ pack_pack(rb_execution_context_t *ec, VALUE ary, VALUE fmt, VALUE buffer)
else {
if (!RB_TYPE_P(buffer, T_STRING))
rb_raise(rb_eTypeError, "buffer must be String, not %s", rb_obj_classname(buffer));
rb_str_modify(buffer);
res = buffer;
}

6
test/ruby/test_array.rb
View file

@ -1294,6 +1294,12 @@ class TestArray < Test::Unit::TestCase
=end
end
def test_pack_with_buffer
n = [ 65, 66, 67 ]
str = "a" * 100
assert_equal("aaaABC", n.pack("@3ccc", buffer: str.dup), "[Bug #19116]")
end
def test_pop
a = @cls[ 'cat', 'dog' ]
assert_equal('dog', a.pop)

4
version.h
View file

@ -11,11 +11,11 @@
# define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
#define RUBY_VERSION_TEENY 3
#define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
#define RUBY_PATCHLEVEL 177
#define RUBY_PATCHLEVEL 178
#define RUBY_RELEASE_YEAR 2022
#define RUBY_RELEASE_MONTH 11
#define RUBY_RELEASE_DAY 5
#define RUBY_RELEASE_DAY 13
#include "ruby/version.h"