parsedate: offer a getdate_capped() alternative

... and use internally. This function will return TIME_T_MAX instead of
failure if the parsed data is found to be larger than what can be
represented. TIME_T_MAX being the largest value curl can represent.

Reviewed-by: Daniel Gustafsson
Reported-by: JanB on github
Fixes #4152
Closes #4651

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/altsvc.c b/lib/altsvc.c
index c3dbb708a..28c9276b1 100644
--- a/lib/altsvc.c
+++ b/lib/altsvc.c
@@ -161,7 +161,7 @@ static CURLcode altsvc_add(struct altsvcinfo *asi, char *line)
               date, &persist, &prio);
   if(9 == rc) {
     struct altsvc *as;
-    time_t expires = curl_getdate(date, NULL);
+    time_t expires = Curl_getdate_capped(date);
     as = altsvc_create(srchost, dsthost, srcalpn, dstalpn, srcport, dstport);
     if(as) {
       as->expires = expires;