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author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-08-26 16:17:49 +0000 |
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committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-08-26 16:17:49 +0000 |
commit | 080e04e863cbbd6d6ec0aa4b00c92ffb095a7ce3 (patch) | |
tree | e6ffb49ba17ba03d946e437f35b1f210d678810a /string.c | |
parent | 6b7ebe835cdec0d6ad4f28e4587e55b5c73a0e93 (diff) |
merge revision(s) 8f51da5d41f0642d5a971e4223d1ba14643c6398: [Backport #15946]
Get rid of undefined behavior
* string.c (rb_str_sub_bang): str and repl can be same.
[Bug #15946]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67770 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -5016,7 +5016,7 @@ rb_str_sub_bang(int argc, VALUE *argv, VALUE str) if (rlen != plen) { memmove(p + beg0 + rlen, p + beg0 + plen, len - beg0 - plen); } - memcpy(p + beg0, rp, rlen); + memmove(p + beg0, rp, rlen); len += rlen - plen; STR_SET_LEN(str, len); TERM_FILL(&RSTRING_PTR(str)[len], TERM_LEN(str)); |