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lseek() after ftruncate() just to be safe.

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This commit is contained in:
Nicholas J. Kain 2011-04-25 01:08:03 -04:00
parent da193ae35a
commit e96dab80fe
1 changed files with 2 additions and 1 deletions
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3
ndhc/leasefile.c
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@ -1,5 +1,5 @@
/* leasefile.c - functions for writing the lease file /* leasefile.c - functions for writing the lease file
* Time-stamp: <2011-04-19 16:22:36 njk> * Time-stamp: <2011-04-25 01:02:26 njk>
* *
* (c) 2011 Nicholas J. Kain <njkain at gmail dot com> * (c) 2011 Nicholas J. Kain <njkain at gmail dot com>
* *
@ -70,6 +70,7 @@ void write_leasefile(struct in_addr ipnum)
log_warning("Failed to truncate lease file.\n"); log_warning("Failed to truncate lease file.\n");
return; return;
} }
lseek(leasefilefd, 0, SEEK_SET);
ret = safe_write(leasefilefd, ip, strlen(ip)); ret = safe_write(leasefilefd, ip, strlen(ip));
if (ret == -1) if (ret == -1)
log_warning("Failed to write ip to lease file.\n"); log_warning("Failed to write ip to lease file.\n");