feedc0de/date
1
0
Fork 0
forked from HowardHinnant/date
Code Pull Requests Activity

Protect assert against overflow

Browse Source 
Fixes #860
This commit is contained in:
Howard Hinnant
2024-12-06 18:34:35 -05:00
parent f079e3568c
commit 28b7b23252
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/date/ptz.h
View File

@@ -349,10 +349,11 @@ time_zone::contant_offset() const
using date::January;
using date::December;
using date::last;
using date::days;
using std::chrono::minutes;
sys_info r;
r.begin = sys_days{year::min()/January/1};
r.end = sys_days{year::max()/December/last};
r.end = sys_days{year::max()/December/last} + days{1} - std::chrono::seconds{1};
if (std_abbrev_.size() > 0)
{
r.abbrev = std_abbrev_;
@@ -510,7 +511,8 @@ time_zone::get_info(date::sys_time<Duration> st) const
}
else
r = contant_offset();
assert(r.begin <= st && st < r.end);
using seconds = std::chrono::seconds;
assert(r.begin <= floor<seconds>(st) && floor<seconds>(st) <= r.end);
return r;
}