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authorusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-09-23 10:50:42 +0000
committerusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-09-23 10:50:42 +0000
commit3bd735314dd2d59a1f4b5c48c06cda77453a31a6 (patch)
treebe7e2f40184dd39836870f81ee103b825afcdcfd /win32/win32.c
parentc0e0e87b45a29c2f2e5a802dd7533994ee34dd8d (diff)
* win32/win32.c (subtruct): check tv_sec.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@19486 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'win32/win32.c')
-rw-r--r--win32/win32.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/win32/win32.c b/win32/win32.c
index 6bd5a0694e..98cb7bb6bc 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -2172,6 +2172,9 @@ do_select(int nfds, fd_set *rd, fd_set *wr, fd_set *ex,
static inline int
subtract(struct timeval *rest, const struct timeval *wait)
{
+ if (rest->tv_sec < wait->tv_sec) {
+ return 0;
+ }
while (rest->tv_usec < wait->tv_usec) {
if (rest->tv_sec <= wait->tv_sec) {
return 0;