#23
nsd/tclcache.c:945: error: Null Dereference
  pointer `cPtr` last assigned on line 919 could be null and is dereferenced at line 945, column 17.

nsd/tclcache.c:916:1: start of procedure NsTclCacheFlushObjCmd()
914.  */
915. 
916. int
     ^
917. NsTclCacheFlushObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const* objv)
918. {

nsd/tclcache.c:919:5: 
917. NsTclCacheFlushObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const* objv)
918. {
919.     TclCache        *cPtr = NULL;
         ^
920.     int              glob = (int)NS_FALSE, npatterns = 0, result = TCL_OK;
921.     const NsInterp  *itPtr = clientData;

nsd/tclcache.c:920:5: 
918. {
919.     TclCache        *cPtr = NULL;
920.     int              glob = (int)NS_FALSE, npatterns = 0, result = TCL_OK;
         ^
921.     const NsInterp  *itPtr = clientData;
922.     const Ns_CacheTransactionStack *transactionStackPtr = &itPtr->cacheTransactionStack;

nsd/tclcache.c:921:5: 
919.     TclCache        *cPtr = NULL;
920.     int              glob = (int)NS_FALSE, npatterns = 0, result = TCL_OK;
921.     const NsInterp  *itPtr = clientData;
         ^
922.     const Ns_CacheTransactionStack *transactionStackPtr = &itPtr->cacheTransactionStack;
923. 

nsd/tclcache.c:922:5: 
920.     int              glob = (int)NS_FALSE, npatterns = 0, result = TCL_OK;
921.     const NsInterp  *itPtr = clientData;
922.     const Ns_CacheTransactionStack *transactionStackPtr = &itPtr->cacheTransactionStack;
         ^
923. 
924.     Ns_ObjvSpec   opts[] = {

nsd/tclcache.c:924:5: 
922.     const Ns_CacheTransactionStack *transactionStackPtr = &itPtr->cacheTransactionStack;
923. 
924.     Ns_ObjvSpec   opts[] = {
         ^
925.         {"-glob",    Ns_ObjvBool,  &glob, INT2PTR(NS_TRUE)},
926.         {"--",       Ns_ObjvBreak, NULL,  NULL},

nsd/tclcache.c:929:5: 
927.         {NULL, NULL, NULL, NULL}
928.     };
929.     Ns_ObjvSpec   args[] = {
         ^
930.         {"cache",    ObjvCache,    &cPtr,      clientData},
931.         {"?args",    Ns_ObjvArgs,  &npatterns, NULL},

nsd/tclcache.c:934:5: 
932.         {NULL, NULL, NULL, NULL}
933.     };
934.     args[0].arg = clientData; /* pass non-constant clientData for "cache" */
         ^
935. 
936.     if (Ns_ParseObjv(opts, args, interp, 1, objc, objv) != NS_OK) {

nsd/tclcache.c:936:9: Taking false branch
934.     args[0].arg = clientData; /* pass non-constant clientData for "cache" */
935. 
936.     if (Ns_ParseObjv(opts, args, interp, 1, objc, objv) != NS_OK) {
             ^
937.         result = TCL_ERROR;
938. 

nsd/tclcache.c:941:9: 
939.     } else {
940.         Ns_Entry  *entry;
941.         int        nflushed = 0, i;
             ^
942.         Ns_Cache  *cache;
943. 

nsd/tclcache.c:944:9: 
942.         Ns_Cache  *cache;
943. 
944.         assert(cPtr != NULL);
             ^
945.         cache = cPtr->cache;
946. 

nsd/tclcache.c:945:9: 
943. 
944.         assert(cPtr != NULL);
945.         cache = cPtr->cache;
             ^
946. 
947.         Ns_CacheLock(cache);