From d8dca37d6560a96261beab99d16388e1d8dc2412 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Thu, 10 Mar 2016 21:04:48 +0100
Subject: [PATCH] Replaced unused timezone parameter of gettimeofday() by NULL

---
 libisofs/libiso_msgs.c        | 5 ++---
 libisofs/make_isohybrid_mbr.c | 6 ++----
 libisofs/system_area.c        | 3 +--
 3 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/libisofs/libiso_msgs.c b/libisofs/libiso_msgs.c
index 81ddcef..90d4bbd 100644
--- a/libisofs/libiso_msgs.c
+++ b/libisofs/libiso_msgs.c
@@ -1,7 +1,7 @@
 
 /* libiso_msgs   (generated from libdax_msgs : Fri Feb 22 19:42:52 CET 2008)
    Message handling facility of libisofs.
-   Copyright (C) 2006 - 2008 Thomas Schmitt <scdbackup@gmx.net>,
+   Copyright (C) 2006 - 2016 Thomas Schmitt <scdbackup@gmx.net>,
    provided under GPL version 2 or later
 */
 
@@ -33,14 +33,13 @@ static int libiso_msgs_item_new(struct libiso_msgs_item **item,
  int ret;
  struct libiso_msgs_item *o;
  struct timeval tv;
- struct timezone tz;
 
  (*item)= o= 
            (struct libiso_msgs_item *) malloc(sizeof(struct libiso_msgs_item));
  if(o==NULL)
    return(-1);
  o->timestamp= 0.0;
- ret= gettimeofday(&tv,&tz);
+ ret= gettimeofday(&tv, NULL);
  if(ret==0)
    o->timestamp= tv.tv_sec+0.000001*tv.tv_usec;
  o->process_id= getpid();
diff --git a/libisofs/make_isohybrid_mbr.c b/libisofs/make_isohybrid_mbr.c
index b4a3e7b..61aedc9 100644
--- a/libisofs/make_isohybrid_mbr.c
+++ b/libisofs/make_isohybrid_mbr.c
@@ -158,7 +158,6 @@ int make_isohybrid_mbr(int bin_lba, int *img_blocks, char *mbr, int flag)
 
     /* For generating a weak random number */
     struct timeval tv;
-    struct timezone tz;
 
     if (bin_lba < 0 || bin_lba >= (1 << 29))
         return (0); /* 1 TB limit of signed 32 bit addressing of 512 byte blocks */
@@ -213,7 +212,7 @@ int make_isohybrid_mbr(int bin_lba, int *img_blocks, char *mbr, int flag)
      from. An environment variable ?
      125: Whatever, i use some 32-bit random value with no crypto strength.
      */
-    gettimeofday(&tv, &tz);
+    gettimeofday(&tv, NULL);
     id = 0xffffffff & (tv.tv_sec ^ (tv.tv_usec * 2000));
 
     /*
@@ -621,7 +620,6 @@ int make_isolinux_mbr(uint32_t *img_blocks, Ecma119Image *t,
     int gpt_count = 0, gpt_idx[128], apm_count = 0, gpt_cursor, i;
     /* For generating a weak random number */
     struct timeval tv;
-    struct timezone tz;
 
     if (t->bootsrc[0] == NULL)
         return iso_msg_submit(t->image->id, ISO_BOOT_IMAGE_NOT_VALID, 0,
@@ -670,7 +668,7 @@ int make_isolinux_mbr(uint32_t *img_blocks, Ecma119Image *t,
        (here some 32-bit random value with no crypto strength)
     */
     if (flag & 1) {
-        gettimeofday(&tv, &tz);
+        gettimeofday(&tv, NULL);
         id = 0xffffffff & (tv.tv_sec ^ (tv.tv_usec * 2000));
         lsb_to_buf(&wpt, id, 32, 0);
     } else {
diff --git a/libisofs/system_area.c b/libisofs/system_area.c
index 59b6081..5394a1d 100644
--- a/libisofs/system_area.c
+++ b/libisofs/system_area.c
@@ -2354,7 +2354,6 @@ void iso_random_uuid(Ecma119Image *t, uint8_t uuid[16])
     static uint8_t uuid_urandom[16];
     uint32_t rnd, salt;
     struct timeval tv;
-    struct timezone tz;
     pid_t pid;
     static int counter = 0, use_urandom = 0;
     int i, ret, fd;
@@ -2404,7 +2403,7 @@ fallback:;
        per day.
     */
     memcpy(u, uuid_template, 16);
-    gettimeofday(&tv, &tz);
+    gettimeofday(&tv, NULL);
     for (i = 0; i < 4; i++)
         u[i] = (salt >> (8 * i)) & 0xff;
     for (i = 0; i < 2; i++)