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- From b313da219fdd6392095e617cf5f07158c4da21e3 Mon Sep 17 00:00:00 2001
- From: Brent Cook <bcook@openbsd.org>
- Date: Mon, 21 Dec 2015 05:53:20 -0600
- Subject: [PATCH 12/13] check result of ftello/ftruncate
-
- ---
- src/usr.sbin/ntpd/ntpd.c | 7 +++++--
- 1 file changed, 5 insertions(+), 2 deletions(-)
-
- diff --git a/src/usr.sbin/ntpd/ntpd.c b/src/usr.sbin/ntpd/ntpd.c
- index 99bdecf..35a9797 100644
- --- a/src/usr.sbin/ntpd/ntpd.c
- +++ b/src/usr.sbin/ntpd/ntpd.c
- @@ -592,6 +592,7 @@ writefreq(double d)
- {
- int r;
- static int warnonce = 1;
- + int off;
-
- if (freqfp == NULL)
- return 0;
- @@ -605,8 +606,10 @@ writefreq(double d)
- clearerr(freqfp);
- return 0;
- }
- - ftruncate(fileno(freqfp), ftello(freqfp));
- - fsync(fileno(freqfp));
- + off = ftello(freqfp);
- + if (off == -1 || ftruncate(fileno(freqfp), off) == -1)
- + log_warnx("can't truncate %s", DRIFTFILE);
- + fsync(fileno(freqfp));
- return 1;
- }
-
- --
- 2.10.1
-
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