From 22aa52ba17b0eb3e16be387e1837227b7a62d381 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Fri, 12 Oct 2018 12:42:52 +0200
Subject: [PATCH] Silenced gcc warnings about printf target buffer

---
 xorriso/emulators.c         |  2 +-
 xorriso/parse_exec.c        | 21 +++++++++++++++------
 xorriso/xorriso_timestamp.h |  2 +-
 3 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/xorriso/emulators.c b/xorriso/emulators.c
index bbd3cf60..dbc4364d 100644
--- a/xorriso/emulators.c
+++ b/xorriso/emulators.c
@@ -1330,7 +1330,7 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
  char *sfe= NULL, *adr= NULL, ra_text[80], *pathspec= NULL, *sort_file= NULL;
  char *ept, *add_pt, *eff_path= NULL, *indev= NULL, msc[80], *cpt;
  char *old_root= NULL, *argpt, *hargv[1];
- char *boot_path, partno_text[8], *iso_rr_pt, *disk_pt, *rpt, *wpt;
+ char *boot_path, partno_text[24], *iso_rr_pt, *disk_pt, *rpt, *wpt;
  char *rm_merge_args[3], *rr_reloc_dir_pt= NULL;
  char *sort_weight_args[4], *bless_args[6], *sa_path;
 
diff --git a/xorriso/parse_exec.c b/xorriso/parse_exec.c
index 80f239cd..c0a5df4a 100644
--- a/xorriso/parse_exec.c
+++ b/xorriso/parse_exec.c
@@ -2574,7 +2574,10 @@ ex:;
 */
 int Xorriso_source_date_epoch(struct XorrisO *xorriso, int flag)
 {
- char *sec_text, double_text[40];
+ /* num_text must be able to take the sprintf output of "%.f".
+    num_text + 12 must be able to take "%d" with a 64 bit int.
+ */
+ char *sec_text, num_text[40];
  double dsec= -1.0;
  time_t tsec;
  struct tm *gmt;
@@ -2584,10 +2587,10 @@ int Xorriso_source_date_epoch(struct XorrisO *xorriso, int flag)
    return(2);
 
  sscanf(sec_text, "%lf", &dsec);
- sprintf(double_text, "%.f", dsec);
+ sprintf(num_text, "%.f", dsec);
  tsec= dsec;
  if(dsec < 0 || ((double) tsec) != dsec ||
-    strcmp(sec_text, double_text) != 0) {
+    strcmp(sec_text, num_text) != 0) {
 malformed:;
    Xorriso_msgs_submit(xorriso, 0,
                 "Malformed environment variable SOURCE_DATE_EPOCH encountered",
@@ -2600,9 +2603,15 @@ malformed:;
  gmt= gmtime(&tsec);
  if(gmt == NULL)
    goto malformed;
- sprintf(xorriso->vol_uuid, "%4.4d%2.2d%2.2d%2.2d%2.2d%2.2d00",
-         1900 + gmt->tm_year, gmt->tm_mon + 1, gmt->tm_mday,
-         gmt->tm_hour, gmt->tm_min, gmt->tm_sec);
+
+ sprintf(num_text,      "%4.4d", 1900 + gmt->tm_year);
+ sprintf(num_text +  4, "%2.2d", gmt->tm_mon + 1);
+ sprintf(num_text +  6, "%2.2d", gmt->tm_mday);
+ sprintf(num_text +  8, "%2.2d", gmt->tm_hour);
+ sprintf(num_text + 10, "%2.2d", gmt->tm_min);
+ sprintf(num_text + 12, "%2.2d", gmt->tm_sec);
+ strcpy(num_text  + 14, "00");
+ strcpy(xorriso->vol_uuid, num_text);
  xorriso->gpt_guid_mode= 2; /* Disk GUID from vol_uuid */
  strcpy(xorriso->all_file_dates, "set_to_mtime");
  sprintf(xorriso->info_text,
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 99fce5cd..d3a0e618 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2018.10.10.114818"
+#define Xorriso_timestamP "2018.10.12.104229"