util: string: Use VIR_AUTOSTRINGLIST instead of VIR_AUTOPTR(virString)

Use of VIR_AUTOPTR and virString is confusing as it's a list and not a
single pointer. Replace it by VIR_AUTOSTRINGLIST as string lists are
basically the only sane NULL-terminated list we can have.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NErik Skultety <eskultet@redhat.com>

src/lxc/lxc_process.c

@@ -1181,7 +1181,7 @@ int virLXCProcessStart(virConnectPtr conn,
     size_t i;
     char *logfile = NULL;
     int logfd = -1;
-    VIR_AUTOPTR(virString) veths = NULL;
+    VIR_AUTOSTRINGLIST veths = NULL;
     int handshakefds[2] = { -1, -1 };
     off_t pos = -1;
     char ebuf[1024];

src/qemu/qemu_conf.c

@@ -645,7 +645,7 @@ static int
 virQEMUDriverConfigLoadProcessEntry(virQEMUDriverConfigPtr cfg,
                                     virConfPtr conf)
 {
-    VIR_AUTOPTR(virString) hugetlbfs = NULL;
+    VIR_AUTOSTRINGLIST hugetlbfs = NULL;
     VIR_AUTOFREE(char *) stdioHandler = NULL;
     VIR_AUTOFREE(char *) corestr = NULL;
     size_t i;
@@ -832,7 +832,7 @@ static int
 virQEMUDriverConfigLoadNVRAMEntry(virQEMUDriverConfigPtr cfg,
                                   virConfPtr conf)
 {
-    VIR_AUTOPTR(virString) nvram = NULL;
+    VIR_AUTOSTRINGLIST nvram = NULL;
     size_t i;
 
     if (virConfGetValueStringList(conf, "nvram", false, &nvram) < 0)
@@ -869,8 +869,8 @@ virQEMUDriverConfigLoadSecurityEntry(virQEMUDriverConfigPtr cfg,
                                      virConfPtr conf,
                                      bool privileged)
 {
-    VIR_AUTOPTR(virString) controllers = NULL;
-    VIR_AUTOPTR(virString) namespaces = NULL;
+    VIR_AUTOSTRINGLIST controllers = NULL;
+    VIR_AUTOSTRINGLIST namespaces = NULL;
     VIR_AUTOFREE(char *) user = NULL;
     VIR_AUTOFREE(char *) group = NULL;
     size_t i, j;

src/storage/storage_backend_sheepdog.c

@@ -138,8 +138,8 @@ virStorageBackendSheepdogRefreshAllVol(virStoragePoolObjPtr pool)
 {
     size_t i;
     VIR_AUTOFREE(char *) output = NULL;
-    VIR_AUTOPTR(virString) lines = NULL;
-    VIR_AUTOPTR(virString) cells = NULL;
+    VIR_AUTOSTRINGLIST lines = NULL;
+    VIR_AUTOSTRINGLIST cells = NULL;
     VIR_AUTOPTR(virCommand) cmd = NULL;
 
     cmd = virCommandNewArgList(SHEEPDOGCLI, "vdi", "list", "-r", NULL);

src/storage/storage_backend_zfs.c

@@ -106,8 +106,8 @@ virStorageBackendZFSParseVol(virStoragePoolObjPtr pool,
     bool is_new_vol = false;
     virStorageVolDefPtr volume = NULL;
     virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
-    VIR_AUTOPTR(virString) tokens = NULL;
-    VIR_AUTOPTR(virString) name_tokens = NULL;
+    VIR_AUTOSTRINGLIST tokens = NULL;
+    VIR_AUTOSTRINGLIST name_tokens = NULL;
 
     if (!(tokens = virStringSplitCount(volume_string, "\t", 0, &count)))
         return -1;
@@ -177,7 +177,7 @@ virStorageBackendZFSFindVols(virStoragePoolObjPtr pool,
 {
     virStoragePoolDefPtr def = virStoragePoolObjGetDef(pool);
     size_t i;
-    VIR_AUTOPTR(virString) lines = NULL;
+    VIR_AUTOSTRINGLIST lines = NULL;
     VIR_AUTOPTR(virCommand) cmd = NULL;
     VIR_AUTOFREE(char *) volumes_list = NULL;
 
@@ -224,8 +224,8 @@ virStorageBackendZFSRefreshPool(virStoragePoolObjPtr pool ATTRIBUTE_UNUSED)
     char *zpool_props = NULL;
     size_t i;
     VIR_AUTOPTR(virCommand) cmd = NULL;
-    VIR_AUTOPTR(virString) lines = NULL;
-    VIR_AUTOPTR(virString) tokens = NULL;
+    VIR_AUTOSTRINGLIST lines = NULL;
+    VIR_AUTOSTRINGLIST tokens = NULL;
 
     /**
      * $ zpool get -Hp health,size,free,allocated test

src/util/vircommand.c

@@ -2983,7 +2983,7 @@ virCommandRunRegex(virCommandPtr cmd,
     int totgroups = 0, ngroup = 0, maxvars = 0;
     char **groups;
     VIR_AUTOFREE(char *) outbuf = NULL;
-    VIR_AUTOPTR(virString) lines = NULL;
+    VIR_AUTOSTRINGLIST lines = NULL;
     int ret = -1;
 
     /* Compile all regular expressions */

src/util/virfirewall.c

@@ -719,7 +719,7 @@ virFirewallApplyRule(virFirewallPtr firewall,
 {
     VIR_AUTOFREE(char *) output = NULL;
     VIR_AUTOFREE(char *) str = virFirewallRuleToString(rule);
-    VIR_AUTOPTR(virString) lines = NULL;
+    VIR_AUTOSTRINGLIST lines = NULL;
     VIR_INFO("Applying rule '%s'", NULLSTR(str));
 
     if (rule->ignoreErrors)

src/util/virprocess.c

@@ -987,7 +987,7 @@ int virProcessGetStartTime(pid_t pid,
     int len;
     VIR_AUTOFREE(char *) filename = NULL;
     VIR_AUTOFREE(char *) buf = NULL;
-    VIR_AUTOPTR(virString) tokens = NULL;
+    VIR_AUTOSTRINGLIST tokens = NULL;
 
     if (virAsprintf(&filename, "/proc/%llu/stat", (long long) pid) < 0)
         return -1;

src/util/virstoragefile.c

@@ -1568,7 +1568,7 @@ virStorageFileParseBackingStoreStr(const char *str,
     size_t nstrings;
     unsigned int idx = 0;
     char *suffix;
-    VIR_AUTOPTR(virString) strings = NULL;
+    VIR_AUTOSTRINGLIST strings = NULL;
 
     *chainIndex = 0;
 
@@ -2652,7 +2652,7 @@ virStorageSourceParseBackingURI(virStorageSourcePtr src,
     virURIPtr uri = NULL;
     const char *path = NULL;
     int ret = -1;
-    VIR_AUTOPTR(virString) scheme = NULL;
+    VIR_AUTOSTRINGLIST scheme = NULL;
 
     if (!(uri = virURIParse(uristr))) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
@@ -2756,7 +2756,7 @@ virStorageSourceRBDAddHost(virStorageSourcePtr src,
 {
     char *port;
     size_t skip;
-    VIR_AUTOPTR(virString) parts = NULL;
+    VIR_AUTOSTRINGLIST parts = NULL;
 
     if (VIR_EXPAND_N(src->hosts, src->nhosts, 1) < 0)
         return -1;
@@ -2912,7 +2912,7 @@ static int
 virStorageSourceParseNBDColonString(const char *nbdstr,
                                     virStorageSourcePtr src)
 {
-    VIR_AUTOPTR(virString) backing = NULL;
+    VIR_AUTOSTRINGLIST backing = NULL;
 
     if (!(backing = virStringSplit(nbdstr, ":", 0)))
         return -1;
@@ -4190,7 +4190,7 @@ int
 virStorageFileCheckCompat(const char *compat)
 {
     unsigned int result;
-    VIR_AUTOPTR(virString) version = NULL;
+    VIR_AUTOSTRINGLIST version = NULL;
 
     if (!compat)
         return 0;

src/xenconfig/xen_common.c

@@ -473,7 +473,7 @@ xenHandleConfGetValueStringListErrors(int ret)
 static int
 xenParsePCIList(virConfPtr conf, virDomainDefPtr def)
 {
-    VIR_AUTOPTR(virString) pcis = NULL;
+    VIR_AUTOSTRINGLIST pcis = NULL;
     virString *entries = NULL;
     int rc;
 
@@ -666,7 +666,7 @@ xenParseVfb(virConfPtr conf, virDomainDefPtr def)
     }
 
     if (!hvm && def->graphics == NULL) { /* New PV guests use this format */
-        VIR_AUTOPTR(virString) vfbs = NULL;
+        VIR_AUTOSTRINGLIST vfbs = NULL;
         int rc;
 
         if ((rc = virConfGetValueStringList(conf, "vfb", false, &vfbs)) == 1) {
@@ -764,7 +764,7 @@ xenParseVfb(virConfPtr conf, virDomainDefPtr def)
 static int
 xenParseCharDev(virConfPtr conf, virDomainDefPtr def, const char *nativeFormat)
 {
-    VIR_AUTOPTR(virString) serials = NULL;
+    VIR_AUTOSTRINGLIST serials = NULL;
     virDomainChrDefPtr chr = NULL;
 
     if (def->os.type == VIR_DOMAIN_OSTYPE_HVM) {