From 1ca8b4d9e81bfe7bed51fa6b858d59b721143054 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Thu, 13 Feb 2020 17:08:23 -0500
Subject: time: Split out time-related functions from util

---
 util.c | 86 ------------------------------------------------------------------
 1 file changed, 86 deletions(-)

(limited to 'util.c')

diff --git a/util.c b/util.c
index 6af7d27..ec019ce 100644
--- a/util.c
+++ b/util.c
@@ -163,92 +163,6 @@ char *xregerror(int err, const regex_t *regex) {
 	return str;
 }
 
-int xlocaltime(const time_t *timep, struct tm *result) {
-	// Should be called before localtime_r() according to POSIX.1-2004
-	tzset();
-
-	if (localtime_r(timep, result)) {
-		return 0;
-	} else {
-		return -1;
-	}
-}
-
-int xgmtime(const time_t *timep, struct tm *result) {
-	// Should be called before gmtime_r() according to POSIX.1-2004
-	tzset();
-
-	if (gmtime_r(timep, result)) {
-		return 0;
-	} else {
-		return -1;
-	}
-}
-
-int xmktime(struct tm *tm, time_t *timep) {
-	*timep = mktime(tm);
-
-	if (*timep == -1) {
-		int error = errno;
-
-		struct tm tmp;
-		if (xlocaltime(timep, &tmp) != 0) {
-			return -1;
-		}
-
-		if (tm->tm_year != tmp.tm_year || tm->tm_yday != tmp.tm_yday
-		    || tm->tm_hour != tmp.tm_hour || tm->tm_min != tmp.tm_min || tm->tm_sec != tmp.tm_sec) {
-			errno = error;
-			return -1;
-		}
-	}
-
-	return 0;
-}
-
-int xtimegm(struct tm *tm, time_t *timep) {
-	// Some man pages for timegm() recommend this as a portable approach
-	int ret = -1;
-	int error;
-
-	char *old_tz = getenv("TZ");
-	if (old_tz) {
-		old_tz = strdup(old_tz);
-		if (!old_tz) {
-			error = errno;
-			goto fail;
-		}
-	}
-
-	if (setenv("TZ", "UTC0", true) != 0) {
-		error = errno;
-		goto fail;
-	}
-
-	ret = xmktime(tm, timep);
-	error = errno;
-
-	if (old_tz) {
-		if (setenv("TZ", old_tz, true) != 0) {
-			ret = -1;
-			error = errno;
-			goto fail;
-		}
-	} else {
-		if (unsetenv("TZ") != 0) {
-			ret = -1;
-			error = errno;
-			goto fail;
-		}
-	}
-
-	tzset();
-fail:
-	free(old_tz);
-	errno = error;
-	return ret;
-}
-
 void format_mode(mode_t mode, char str[11]) {
 	strcpy(str, "----------");
 
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