mirror/bedstead
1
0
Fork 1
mirror of https://bjh21.me.uk/bedstead/.git synced 2026-07-29 07:03:25 -04:00
Code Issues Packages Projects Releases Wiki Activity

Slightly simplify SOURCE_DATE_EPOCH handling

Browse Source 
Subtracting 30 years' worth of seconds from the date and then adding
2000 years is unnecessary when we can just add 1970 years instead.
This commit is contained in:
Ben Harris 2025-02-27 22:32:19 +00:00
parent 1ebb828fbc
commit 60136bf337
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
bedstead.c
View File

@ -3155,19 +3155,18 @@ time_for_ttx(void)
if (!isdigit((unsigned char)epochstr[0]) ||
endptr == epochstr || *endptr != '\0' ||
errno == ERANGE ||
/* Limit ourselves to 2000 to 10000. */
epochumax < 946684800 || epochumax >= 253402300800) {
/* Allow years up to 9999. */
epochumax >= 253402300800) {
fprintf(stderr, "Invalid SOURCE_DATE_EPOCH\n");
return NULL;
}
epochumax -= 946684800; /* Rebase to 2000. */
tm.tm_isdst = -1;
tm.tm_sec = epochumax % 60;
tm.tm_min = epochumax / 60 % 60;
tm.tm_hour = epochumax / 3600 % 24;
long day = epochumax / 86400;
tm.tm_wday = (day - 1) % 7;
int y = 2000 + (day / 146097) * 400;
tm.tm_wday = (day + 4) % 7; /* 1970-01-01 was a Thursday. */
int y = 1970 + (day / 146097) * 400;
day = day % 146097;
bool ly;
for (;;) {