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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-08-01 12:05:04 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-08-01 12:05:04 +0000 |
commit | d620b0b9cdbca58e45033d0eaf4c14192f75f016 (patch) | |
tree | 6d3d10597a00065c8a502e9f8ef8bbf30b373bc6 | |
parent | 780a125faf79ae986efe709b53304cfb7e46d964 (diff) | |
download | ruby-d620b0b9cdbca58e45033d0eaf4c14192f75f016.tar.gz |
* bignum.c (rb_big2str1): Raise an error for too big number.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42307 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | bignum.c | 4 |
2 files changed, 8 insertions, 0 deletions
@@ -1,3 +1,7 @@ +Thu Aug 1 21:02:48 2013 Tanaka Akira <akr@fsij.org> + + * bignum.c (rb_big2str1): Raise an error for too big number. + Thu Aug 1 20:46:29 2013 Tanaka Akira <akr@fsij.org> * bignum.c (power_cache_get_power): Hide cached Bignum objects. @@ -4366,6 +4366,10 @@ rb_big2str1(VALUE x, int base) if (base < 2 || 36 < base) rb_raise(rb_eArgError, "invalid radix %d", base); + if (RBIGNUM_LEN(x) >= LONG_MAX/BITSPERDIG) { + rb_raise(rb_eRangeError, "bignum too big to convert into `string'"); + } + if (POW2_P(base)) { /* base == 2 || base == 4 || base == 8 || base == 16 || base == 32 */ return big2str_base_powerof2(x, base); |