安全函数和指针赋值修改

src/common/backend/parser/parse_utilcmd.cpp

@@ -3706,7 +3706,7 @@ static IndexStmt* transformIndexConstraint(Constraint* constraint, CreateStmtCon
                 } else if (attnum == 0) {
                     // expresional index
                     Node *indexkey = NULL;
-                    attform = 0;
+                    attform = NULL;
 
                     if (indexpr_item == NULL) {
                         ereport(ERROR,

src/common/backend/utils/adt/timestamp.cpp

@@ -4916,6 +4916,7 @@ Datum generate_series_timestamptz(PG_FUNCTION_ARGS)
         Interval* step = PG_GETARG_INTERVAL_P(2);
         MemoryContext oldcontext;
         Interval interval_zero;
+        errno_t rc;
 
         /* create a function context for cross-call persistence */
         funcctx = SRF_FIRSTCALL_INIT();
@@ -4937,7 +4938,8 @@ Datum generate_series_timestamptz(PG_FUNCTION_ARGS)
         fctx->step = *step;
 
         /* Determine sign of the interval */
-        MemSet(&interval_zero, 0, sizeof(Interval));
+        rc = memset_s(&interval_zero, sizeof(Interval), 0, sizeof(Interval));
+        securec_check(rc, "\0", "\0");
         fctx->step_sign = interval_cmp_internal(&fctx->step, &interval_zero);
 
         if (fctx->step_sign == 0)

src/gausskernel/storage/mot/core/system/mot_error.cpp

@@ -161,7 +161,7 @@ extern void PushErrorV(int errorCode, int severity, const char* file, int line,
         va_list args2;
         va_copy(args2, args);
         errno_t erc = vsnprintf_truncated_s(errorFrame->m_errorMessage, MOT_MAX_ERROR_MESSAGE, format, args2);
-        securec_check_ss(erc, "\0", "\0");
+        securec_check_ss_c(erc, "\0", "\0");
         errorFrame->m_errorMessage[MOT_MAX_ERROR_MESSAGE - 1] = 0;
         ++errorFrameCount;
     }