use an overflow check instead of a hard coded value for ETA

include/shared.h

@@ -62,4 +62,8 @@ void hc_string_trim_leading (char *s);
 size_t hc_fread (void *ptr, size_t size, size_t nmemb, FILE *stream);
 void   hc_fwrite (const void *ptr, size_t size, size_t nmemb, FILE *stream);
 
+void       hc_time   (hc_time_t *t);
+struct tm *hc_gmtime (hc_time_t *t);
+char      *hc_ctime  (hc_time_t *t, char *buf, MAYBE_UNUSED size_t buf_size);
+
 #endif // _SHARED_H

include/status.h

@@ -47,6 +47,7 @@ double      status_get_msec_paused                (const hashcat_ctx_t *hashcat_
 double      status_get_msec_real                  (const hashcat_ctx_t *hashcat_ctx);
 char       *status_get_time_started_absolute      (const hashcat_ctx_t *hashcat_ctx);
 char       *status_get_time_started_relative      (const hashcat_ctx_t *hashcat_ctx);
+hc_time_t   status_get_sec_etc                    (const hashcat_ctx_t *hashcat_ctx);
 char       *status_get_time_estimated_absolute    (const hashcat_ctx_t *hashcat_ctx);
 char       *status_get_time_estimated_relative    (const hashcat_ctx_t *hashcat_ctx);
 u64         status_get_restore_point              (const hashcat_ctx_t *hashcat_ctx);

include/types.h

@@ -43,6 +43,14 @@ typedef uint16_t u16;
 typedef uint32_t u32;
 typedef uint64_t u64;
 
+// time
+
+#if defined (_WIN)
+typedef __time64_t        hc_time_t;
+#else
+typedef time_t            hc_time_t;
+#endif
+
 // timer
 
 #if defined (_WIN)