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-rw-r--r--sysklogd/syslogd.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c
index d36d09caf..fc380d9f9 100644
--- a/sysklogd/syslogd.c
+++ b/sysklogd/syslogd.c
@@ -594,6 +594,14 @@ static void log_locally(time_t now, char *msg, logFile_t *log_file)
}
/* newFile == "f.0" now */
rename(log_file->path, newFile);
+ /* Incredibly, if F and F.0 are hardlinks, POSIX
+ * _demands_ that rename returns 0 but does not
+ * remove F!!!
+ * (hardlinked F/F.0 pair was observed after
+ * power failure during rename()).
+ * Ensure old file is gone:
+ */
+ unlink(log_file->path);
#ifdef SYSLOGD_WRLOCK
fl.l_type = F_UNLCK;
fcntl(log_file->fd, F_SETLKW, &fl);