Some work on wtp and ktv config files

FossilOrigin-Name: 3747732055809fd587f96cff65c389a0878a09a197947c1e68a76f605bdb44a0

src/cw/cw_ktv_add.c

@@ -0,0 +1,42 @@
+#include "ktv.h"
+#include "cw.h"
+
+#include "log.h"
+#include "dbg.h"
+
+const char * cw_ktv_add(mavl_t kvtstore, const char *key, const struct cw_Type *type,
+			const uint8_t * data, int len)
+{
+	cw_KTV_t mdata, *mresult;
+	int exists;
+
+/*	cw_dbg(DBG_ELEM,"KVStore (%p,%d) add elem (%s): %s", kvstore, kvstore->count,
+			type->name, key );
+*/
+	mdata.key=cw_strdup(key);
+	if (!mdata.key){
+		cw_log(LOG_ERR, "Can't allocate memory for key %s: %s",
+				key,strerror(errno));
+		return NULL;
+	}
+
+	mresult = type->get(&mdata,data,len);
+	if (!mresult){
+		cw_log(LOG_ERR, "Can't create kvstore element for key %s of type %s: %s",
+				key,type->name, strerror(errno));
+		free(mdata.key);
+		return NULL;
+	}
+	
+	mresult = mavl_add(kvtstore, &mdata, &exists);
+	if (exists){
+		cw_log(LOG_ERR, "Element already exists %s", key);
+		/* element already exists */
+		free(mdata.key);
+		if (type->del)
+			type->del(&mdata);
+		return key;
+	}
+
+	return mdata.key;
+}