2011/6/29 Daniel Veillard <veill...@redhat.com>:
> On Wed, Jun 29, 2011 at 02:14:19AM +0200, Matthias Bolte wrote:
>> addnhostsSave and hostsfileSave expect < 0 return value on error from
>> addnhostsWrite and hostsfileWrite but then pass err instead of -err
>> to virReportSystemError that expects an errno value.
>>
>> Also addnhostsWrite returns -ENOMEM and errno, change this to -errno.
>>
>> addnhostsWrite and hostsfileWrite tried to unlink the tempfile after
>> renaming it, making both fail on the final step. Remove the unnecessary
>> unlink calls.
>> ---
>> src/util/dnsmasq.c | 44 +++++++++++++++-----------------------------
>> 1 files changed, 15 insertions(+), 29 deletions(-)
>>
>> diff --git a/src/util/dnsmasq.c b/src/util/dnsmasq.c
>> index 5baa34f..aadca10 100644
>> --- a/src/util/dnsmasq.c
>> +++ b/src/util/dnsmasq.c
>> @@ -185,14 +185,14 @@ addnhostsWrite(const char *path,
>> if (!(f = fopen(tmp, "w"))) {
>> istmp = false;
>> if (!(f = fopen(path, "w"))) {
>> - rc = errno;
>> + rc = -errno;
>> goto cleanup;
>> }
>> }
>>
>> for (i = 0; i < nhosts; i++) {
>> if (fputs(hosts[i].ip, f) == EOF || fputc('\t', f) == EOF) {
>> - rc = errno;
>> + rc = -errno;
>> VIR_FORCE_FCLOSE(f);
>>
>> if (istmp)
>> @@ -203,7 +203,7 @@ addnhostsWrite(const char *path,
>>
>> for (ii = 0; ii < hosts[i].nhostnames; ii++) {
>> if (fputs(hosts[i].hostnames[ii], f) == EOF || fputc('\t', f)
>> == EOF) {
>> - rc = errno;
>> + rc = -errno;
>> VIR_FORCE_FCLOSE(f);
>>
>> if (istmp)
>> @@ -214,7 +214,7 @@ addnhostsWrite(const char *path,
>> }
>>
>> if (fputc('\n', f) == EOF) {
>> - rc = errno;
>> + rc = -errno;
>> VIR_FORCE_FCLOSE(f);
>>
>> if (istmp)
>> @@ -225,21 +225,14 @@ addnhostsWrite(const char *path,
>> }
>>
>> if (VIR_FCLOSE(f) == EOF) {
>> - rc = errno;
>> + rc = -errno;
>> goto cleanup;
>> }
>>
>> - if (istmp) {
>> - if (rename(tmp, path) < 0) {
>> - rc = errno;
>> - unlink(tmp);
>> - goto cleanup;
>> - }
>> -
>> - if (unlink(tmp) < 0) {
>> - rc = errno;
>> - goto cleanup;
>> - }
>> + if (istmp && rename(tmp, path) < 0) {
>> + rc = -errno;
>> + unlink(tmp);
>> + goto cleanup;
>> }
>>
>> cleanup:
>> @@ -255,7 +248,7 @@ addnhostsSave(dnsmasqAddnHostsfile *addnhostsfile)
>> addnhostsfile->nhosts);
>>
>> if (err < 0) {
>> - virReportSystemError(err, _("cannot write config file '%s'"),
>> + virReportSystemError(-err, _("cannot write config file '%s'"),
>> addnhostsfile->path);
>> return -1;
>> }
>> @@ -402,17 +395,10 @@ hostsfileWrite(const char *path,
>> goto cleanup;
>> }
>>
>> - if (istmp) {
>> - if (rename(tmp, path) < 0) {
>> - rc = -errno;
>> - unlink(tmp);
>> - goto cleanup;
>> - }
>> -
>> - if (unlink(tmp) < 0) {
>> - rc = -errno;
>> - goto cleanup;
>> - }
>> + if (istmp && rename(tmp, path) < 0) {
>> + rc = -errno;
>> + unlink(tmp);
>> + goto cleanup;
>> }
>>
>> cleanup:
>> @@ -428,7 +414,7 @@ hostsfileSave(dnsmasqHostsfile *hostsfile)
>> hostsfile->nhosts);
>>
>> if (err < 0) {
>> - virReportSystemError(err, _("cannot write config file '%s'"),
>> + virReportSystemError(-err, _("cannot write config file '%s'"),
>> hostsfile->path);
>> return -1;
>> }
>
> ACK,
>
> Daniel
>
Thanks, pushed.
--
Matthias Bolte
http://photron.blogspot.com
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