diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-12-14 02:45:07 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-12-14 02:45:07 +0000 |
commit | fcd78874078b5b09be30fe891656949b59b5163c (patch) | |
tree | dfd3080ee8a23feb102de5d4beea19a30ff4ba1f /util.c | |
parent | 241ca7bfff26b1f624ef64212b68d76efcb78f9d (diff) |
util.c: bump stack size in ruby_qsort()
* 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/trunk@44195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'util.c')
-rw-r--r-- | util.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -310,7 +310,9 @@ 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; |