forked from mirrors/nixpkgs
62 lines
1.5 KiB
Diff
62 lines
1.5 KiB
Diff
From 51e8117654fb092ae5412d7aa184bfc6b498c954 Mon Sep 17 00:00:00 2001
|
|
From: rnhmjoj <rnhmjoj@inventati.org>
|
|
Date: Fri, 7 Feb 2020 17:46:54 +0100
|
|
Subject: [PATCH 1/2] Fix incorrect error handling in macTime()
|
|
|
|
mktime() and time() return (time_t -1) to signal an error.
|
|
Checking for negative values will incorrectly assume an error
|
|
happened for any calendar date before the unix epoch.
|
|
---
|
|
util.c | 4 ++--
|
|
1 file changed, 2 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/util.c b/util.c
|
|
index bcbfa2f..4482c9a 100644
|
|
--- a/util.c
|
|
+++ b/util.c
|
|
@@ -213,10 +213,10 @@ macTime(int *hi, unsigned *lo)
|
|
tm.tm_isdst = -1;
|
|
|
|
macEpoch = mktime_gmt(&tm);
|
|
- if(macEpoch < 0) return -1;
|
|
+ if(macEpoch == -1) return -1;
|
|
|
|
current = time(NULL);
|
|
- if(current < 0)
|
|
+ if(current == -1)
|
|
return -1;
|
|
|
|
if(current < macEpoch) {
|
|
--
|
|
2.23.0
|
|
|
|
From 81a61c049e6de80120531f0770b22e7637c9acb9 Mon Sep 17 00:00:00 2001
|
|
From: rnhmjoj <rnhmjoj@inventati.org>
|
|
Date: Fri, 7 Feb 2020 17:47:52 +0100
|
|
Subject: [PATCH 2/2] Fix uninitialised memory write
|
|
|
|
If macTime() fails write zeros instead of unitialized memory to
|
|
the date fields.
|
|
---
|
|
write.c | 4 ++--
|
|
1 file changed, 2 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/write.c b/write.c
|
|
index 318adef..c8a86e4 100644
|
|
--- a/write.c
|
|
+++ b/write.c
|
|
@@ -434,8 +434,8 @@ fixupChecksum(FILE *out, int full_length, int head_position)
|
|
static int
|
|
writehead(FILE* out, FontPtr font)
|
|
{
|
|
- int time_hi;
|
|
- unsigned time_lo;
|
|
+ int time_hi = 0;
|
|
+ unsigned time_lo = 0;
|
|
|
|
macTime(&time_hi, &time_lo);
|
|
|
|
--
|
|
2.23.0
|
|
|