more TDB

source/libs/tdb/CMakeLists.txt

@@ -10,6 +10,9 @@ target_sources(tdb
     "src/db/tdbPCache.c"
     "src/db/tdbPFile.c"
     "src/db/tdbUtil.c"
+    "src/db/tdbBtree.c"
+    "src/db/tdb.c"
+    "src/db/tdbEnv.c"
 )
 
 target_include_directories(

source/libs/tdb/src/db/tdb.c

@@ -15,6 +15,7 @@
 
 #include "tdbInt.h"
 
+#if 0
 struct STDb {
   char         dbname[TDB_MAX_DBNAME_LEN];
   SBTree *     pBt;      // current access method (may extend)
@@ -203,3 +204,4 @@ static int tdbDefaultKeyCmprFn(int keyLen1, const void *pKey1, int keyLen2, cons
   }
   return cret;
 }
+#endif

source/libs/tdb/src/db/tdbEnv.c

@@ -17,10 +17,51 @@
 
 struct STEnv {
   char *   rootDir;
-  SPCache *pCache;
   int      jfd;
+  SPCache *pCache;
 };
 
+int tdbEnvOpen(const char *rootDir, STEnv **ppEnv) {
+  STEnv *  pEnv;
+  int      dsize;
+  int      zsize;
+  uint8_t *pPtr;
+
+  *ppEnv = NULL;
+
+  dsize = strlen(rootDir);
+  zsize = sizeof(*pEnv) + dsize + 1;
+
+  pPtr = (uint8_t *)calloc(1, zsize);
+  if (pPtr == NULL) {
+    return -1;
+  }
+
+  pEnv = (STEnv *)pPtr;
+  pPtr += sizeof(*pEnv);
+  pEnv->rootDir = pPtr;
+  memcpy(pEnv->rootDir, rootDir, dsize);
+  pEnv->rootDir[dsize] = '\0';
+
+  *ppEnv = pEnv;
+  return 0;
+}
+
+int tdbEnvClose(STEnv *pEnv) {
+  // TODO
+  return 0;
+}
+
+int tdbEnvBegin(STEnv *pEnv) {
+  // TODO
+  return 0;
+}
+
+int tdbEnvCommit(STEnv *pEnv) {
+  // TODO
+  return 0;
+}
+
 #if 0
 struct STDbEnv {
   char *      rootDir;    // root directory of the environment

source/libs/tdb/src/inc/tdbEnv.h

@@ -22,7 +22,7 @@ extern "C" {
 
 typedef struct STEnv STEnv;
 
-int tdbEnvOpen(STEnv **ppEnv);
+int tdbEnvOpen(const char *rootDir, STEnv **ppEnv);
 int tdbEnvClose(STEnv *pEnv);
 
 int tdbEnvBegin(STEnv *pEnv);