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sprintf.c: width too big

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* sprintf.c (rb_str_format): explicitly reject too big negative
  width, instead of an empty string.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59410 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-07-23 09:44:48 +00:00
parent 151c170472
commit 53737990fe
2 changed files with 7 additions and 0 deletions
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sprintf.c
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@ -648,6 +648,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
if (width < 0) {
flags |= FMINUS;
width = -width;
if (width < 0) rb_raise(rb_eArgError, "width too big");
}
p++;
goto retry;