Adapt to new VIR_STRNDUP behavior

With previous patch, we accept negative value as length of string to
duplicate. So there is no need to pass strlen(src) in case we want to do
duplicate the whole string.

src/conf/domain_conf.c

@@ -17370,8 +17370,7 @@ virDomainGraphicsListenSetAddress(virDomainGraphicsDefPtr def,
         return 0;
     }
 
-    if (VIR_STRNDUP(listenInfo->address, address,
-                    len == -1 ? strlen(address) : len) < 0)
+    if (VIR_STRNDUP(listenInfo->address, address, len) < 0)
         return -1;
     return 0;
 }
@@ -17409,8 +17408,7 @@ virDomainGraphicsListenSetNetwork(virDomainGraphicsDefPtr def,
         return 0;
     }
 
-    if (VIR_STRNDUP(listenInfo->network, network,
-                    len == -1 ? strlen(network) : len) < 0)
+    if (VIR_STRNDUP(listenInfo->network, network, len) < 0)
         return -1;
     return 0;
 }

src/qemu/qemu_command.c

@@ -8674,7 +8674,7 @@ static int qemuStringToArgvEnv(const char *args,
         if (!next)
             next = strchr(curr, '\n');
 
-        if (VIR_STRNDUP(arg, curr, next ? next - curr : strlen(curr)) < 0)
+        if (VIR_STRNDUP(arg, curr, next ? next - curr : -1) < 0)
             goto error;
 
         if (next && (*next == '\'' || *next == '"'))
@@ -9566,16 +9566,14 @@ qemuParseCommandLineChr(virDomainChrSourceDefPtr source,
         if (VIR_STRNDUP(source->data.tcp.host, val, svc - val) < 0)
             goto error;
         svc++;
-        if (VIR_STRNDUP(source->data.tcp.service, svc,
-                        opt ? opt - svc : strlen(svc)) < 0)
+        if (VIR_STRNDUP(source->data.tcp.service, svc, opt ? opt - svc : -1) < 0)
             goto error;
     } else if (STRPREFIX(val, "unix:")) {
         const char *opt;
         val += strlen("unix:");
         opt = strchr(val, ',');
         source->type = VIR_DOMAIN_CHR_TYPE_UNIX;
-        if (VIR_STRNDUP(source->data.nix.path, val,
-                        opt ? opt - val : strlen(val)) < 0)
+        if (VIR_STRNDUP(source->data.nix.path, val, opt ? opt - val : -1) < 0)
             goto error;
 
     } else if (STRPREFIX(val, "/dev")) {
@@ -9634,7 +9632,7 @@ qemuParseCommandLineCPU(virDomainDefPtr dom,
             next++;
 
         if (p == val) {
-            if (VIR_STRNDUP(model, p, next ? next - p - 1 : strlen(p)) < 0)
+            if (VIR_STRNDUP(model, p, next ? next - p - 1 : -1) < 0)
                 goto error;
 
             if (!STREQ(model, "qemu32") && !STREQ(model, "qemu64")) {
@@ -9658,7 +9656,7 @@ qemuParseCommandLineCPU(virDomainDefPtr dom,
             if (*p == '\0' || *p == ',')
                 goto syntax;
 
-            if (VIR_STRNDUP(feature, p, next ? next - p - 1 : strlen(p)) < 0)
+            if (VIR_STRNDUP(feature, p, next ? next - p - 1 : -1) < 0)
                 goto error;
 
             if (STREQ(feature, "kvmclock")) {
@@ -9717,7 +9715,7 @@ qemuParseCommandLineCPU(virDomainDefPtr dom,
             if (*p == '\0' || *p == ',')
                 goto syntax;
 
-            if (VIR_STRNDUP(feature, p, next ? next - p - 1 : strlen(p)) < 0)
+            if (VIR_STRNDUP(feature, p, next ? next - p - 1 : -1) < 0)
                 goto error;
 
             dom->features |= (1 << VIR_DOMAIN_FEATURE_HYPERV);

src/util/virsexpr.c

@@ -120,7 +120,7 @@ sexpr_string(const char *str, ssize_t len)
         return ret;
     ret->kind = SEXPR_VALUE;
 
-    if (VIR_STRNDUP(ret->u.value, str, len > 0 ? len : strlen(str)) < 0)
+    if (VIR_STRNDUP(ret->u.value, str, len) < 0)
         VIR_FREE(ret);
 
     return ret;

src/xenxs/xen_sxpr.c

@@ -242,7 +242,7 @@ xenParseSxprChar(const char *value,
         offset2 = strchr(offset, ',');
         offset++;
         if (VIR_STRNDUP(def->source.data.tcp.service, offset,
-                        offset2 ? offset2 - offset : strlen(offset)) < 0)
+                        offset2 ? offset2 - offset : -1) < 0)
             goto error;
 
         if (offset2 && strstr(offset2, ",server"))
@@ -296,7 +296,7 @@ xenParseSxprChar(const char *value,
     {
         const char *offset = strchr(value, ',');
         if (VIR_STRNDUP(def->source.data.nix.path, value,
-                        offset ? offset - value : strlen(value)) < 0)
+                        offset ? offset - value : -1) < 0)
             goto error;
 
         if (offset != NULL &&