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* string.c (rb_str_set_len): should fail to modify shared string.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28865 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2010-08-05 07:42:47 +00:00
parent 5425f8fe6e
commit 8965ed167d
6 changed files with 71 additions and 0 deletions
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6
ext/-test-/string/extconf.rb Normal file
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$srcs = Dir[File.join($srcdir, "*.{#{SRC_EXT.join(%q{,})}}")]
inits = $srcs.map {|s| File.basename(s, ".*")}
inits.delete("init")
inits.map! {|s|"X(#{s})"}
$defs << "-DTEST_INIT_FUNCS(X)=\"#{inits.join(' ')}\""
create_makefile("-test-/string/string")

19
ext/-test-/string/init.c Normal file
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#include "ruby.h"
#define init(n) {void Init_##n(VALUE klass); Init_##n(klass);}
VALUE
bug_str_modify(VALUE str)
{
rb_str_modify(str);
return str;
}
void
Init_string(void)
{
VALUE mBug = rb_define_module("Bug");
VALUE klass = rb_define_class_under(mBug, "String", rb_cString);
rb_define_method(klass, "modify!", bug_str_modify, 0);
TEST_INIT_FUNCS(init);
}

14
ext/-test-/string/set_len.c Normal file
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#include "ruby.h"
static VALUE
bug_str_set_len(VALUE str, VALUE len)
{
rb_str_set_len(str, NUM2LONG(len));
return str;
}
void
Init_set_len(VALUE klass)
{
rb_define_method(klass, "set_len", bug_str_set_len, 1);
}