1 files changed, 31 insertions, 0 deletions
diff --git a/compat/timegm.c b/compat/timegm.c
new file mode 100644
index 000000000000..97e1e5443664
--- /dev/null
+++ b/compat/timegm.c
@@ -0,0 +1,31 @@
+#ifdef HAVE_CONFIG_H
+#include <ldns/config.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#include <time.h>
+
+time_t
+timegm (struct tm *tm) {
+	time_t ret;
+	char *tz;
+	
+	tz = getenv("TZ");
+	putenv((char*)"TZ=");
+	tzset();
+	ret = mktime(tm);
+	if (tz) {
+		char buf[256];
+		snprintf(buf, sizeof(buf), "TZ=%s", tz);
+		putenv(tz);
+	}
+	else
+		putenv((char*)"TZ");
+	tzset();
+	return ret;
+}