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util: dnsmasq: refactor CapsRefresh

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Use two variables with automatic cleanup instead of reusing one.

Remove the pointless cleanup label.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Ján Tomko 2021-12-10 17:21:27 +01:00
parent 7624796ac8
commit 1b5510c42d
1 changed files with 16 additions and 21 deletions
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37
src/util/virdnsmasq.c
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@ -666,9 +666,9 @@ dnsmasqCapsSetFromBuffer(dnsmasqCaps *caps, const char *buf)
static int
dnsmasqCapsRefreshInternal(dnsmasqCaps *caps, bool force)
{
int ret = -1;
struct stat sb;
virCommand *cmd = NULL;
g_autoptr(virCommand) vercmd = NULL;
g_autoptr(virCommand) helpcmd = NULL;
g_autofree char *help = NULL;
g_autofree char *version = NULL;
g_autofree char *complete = NULL;
@ -692,31 +692,26 @@ dnsmasqCapsRefreshInternal(dnsmasqCaps *caps, bool force)
if (!virFileIsExecutable(caps->binaryPath)) {
virReportSystemError(errno, _("dnsmasq binary %s is not executable"),
caps->binaryPath);
goto cleanup;
return -1;
}
cmd = virCommandNewArgList(caps->binaryPath, "--version", NULL);
virCommandSetOutputBuffer(cmd, &version);
virCommandAddEnvPassCommon(cmd);
virCommandClearCaps(cmd);
if (virCommandRun(cmd, NULL) < 0)
goto cleanup;
virCommandFree(cmd);
vercmd = virCommandNewArgList(caps->binaryPath, "--version", NULL);
virCommandSetOutputBuffer(vercmd, &version);
virCommandAddEnvPassCommon(vercmd);
virCommandClearCaps(vercmd);
if (virCommandRun(vercmd, NULL) < 0)
return -1;
cmd = virCommandNewArgList(caps->binaryPath, "--help", NULL);
virCommandSetOutputBuffer(cmd, &help);
virCommandAddEnvPassCommon(cmd);
virCommandClearCaps(cmd);
if (virCommandRun(cmd, NULL) < 0)
goto cleanup;
helpcmd = virCommandNewArgList(caps->binaryPath, "--help", NULL);
virCommandSetOutputBuffer(helpcmd, &help);
virCommandAddEnvPassCommon(helpcmd);
virCommandClearCaps(helpcmd);
if (virCommandRun(helpcmd, NULL) < 0)
return -1;
complete = g_strdup_printf("%s\n%s", version, help);
ret = dnsmasqCapsSetFromBuffer(caps, complete);
cleanup:
virCommandFree(cmd);
return ret;
return dnsmasqCapsSetFromBuffer(caps, complete);
}
static dnsmasqCaps *