diff options
author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-01-12 06:53:41 +0000 |
---|---|---|
committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-01-12 06:53:41 +0000 |
commit | 0c44d66162149f92b79610bda159e93557e460df (patch) | |
tree | 228b144da13468fd55124c2f8223bd454ab92cd8 /util.c | |
parent | 9a1728a145de1719b90f97e946965396914abb8a (diff) |
merge revision(s) 44195: [Backport #7772]
* util.c (ruby_qsort): fix potential stack overflow on a large
machine. based on the patch by Conrad Irwin <conrad.irwin AT
gmail.com> at [ruby-core:51816]. [Bug #7772]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@44565 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'util.c')
-rw-r--r-- | util.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -309,7 +309,9 @@ ruby_qsort(void* base, const size_t nel, const size_t size, cmpfunc_t *cmp, void char *L = base; /* left end of current region */ char *R = (char*)base + size*(nel-1); /* right end of current region */ size_t chklim = 63; /* threshold of ordering element check */ - stack_node stack[32], *top = stack; /* 32 is enough for 32bit CPU */ + enum {size_bits = sizeof(size) * CHAR_BIT}; + stack_node stack[size_bits]; /* enough for size_t size */ + stack_node *top = stack; int mmkind; size_t high, low, n; |