nodogsplash: fix invalid pointer bug when clock is turned back (#456)

[feed/routing.git] / nodogsplash / patches / 0001-fix-invalid-pointer-when-clock-is-turned-back.patch

diff --git a/nodogsplash/patches/0001-fix-invalid-pointer-when-clock-is-turned-back.patch b/nodogsplash/patches/0001-fix-invalid-pointer-when-clock-is-turned-back.patch
new file mode 100644 (file)
index 0000000..9ea55d0
--- /dev/null
+++ b/nodogsplash/patches/0001-fix-invalid-pointer-when-clock-is-turned-back.patch
@@ -0,0 +1,51 @@
+From af548c1f885e46309baa6aa175a3822fd16afb2a Mon Sep 17 00:00:00 2001
+From: Moritz Warning <moritzwarning@web.de>
+Date: Thu, 14 Mar 2019 17:19:40 +0100
+Subject: [PATCH] fix invalid pointer when clock is turned back
+
+---
+ src/util.c | 12 ++++++------
+ 1 file changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/src/util.c b/src/util.c
+index 621062d..77228bf 100644
+--- a/src/util.c
++++ b/src/util.c
+@@ -362,14 +362,14 @@ format_duration(time_t from, time_t to, char buf[64])
+ {
+       int days, hours, minutes, seconds;
+       long long int secs;
++      const char *neg = "";
+ 
+       if (from <= to) {
+               secs = to - from;
+       } else {
+               secs = from - to;
+               // Prepend minus sign
+-              buf[0] = '-';
+-              buf += 1;
++              neg = "-";
+       }
+ 
+       days = secs / (24 * 60 * 60);
+@@ -381,13 +381,13 @@ format_duration(time_t from, time_t to, char buf[64])
+       seconds = secs;
+ 
+       if (days > 0) {
+-              sprintf(buf, "%dd %dh %dm %ds", days, hours, minutes, seconds);
++              snprintf(buf, 64, "%s%dd %dh %dm %ds", neg, days, hours, minutes, seconds);
+       } else if (hours > 0) {
+-              sprintf(buf, "%dh %dm %ds", hours, minutes, seconds);
++              snprintf(buf, 64, "%s%dh %dm %ds", neg, hours, minutes, seconds);
+       } else if (minutes > 0) {
+-              sprintf(buf, "%dm %ds", minutes, seconds);
++              snprintf(buf, 64, "%s%dm %ds", neg, minutes, seconds);
+       } else {
+-              sprintf(buf, "%ds", seconds);
++              snprintf(buf, 64, "%s%ds", neg, seconds);
+       }
+ 
+       return buf;
+-- 
+2.20.1
+