lihao/skynet
1
0
Fork 0
mirror of https://github.com/cloudwu/skynet.git synced 2026-07-22 11:03:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

overflow check

Browse Source
This commit is contained in:
Cloud Wu
2019-04-03 11:15:33 +08:00
parent 6ab841beec
commit 8e8a92ca2d
1 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
3rd/lua/lstring.c
View File

@@ -367,11 +367,12 @@ shrstr_expandpage(int cap) {
return;
int osz = s->mask + 1;
int sz = osz * 2;
// overflow check
if (sz <= 0)
return;
while (sz < cap)
while (sz < cap) {
// overflow check
if (sz <= 0)
return;
sz = sz * 2;
}
struct shrmap_slot * newpage = shrstr_newpage(sz);
rwlock_wlock(&s->lock);
int succ = shrstr_allocpage(s, osz, sz, newpage);