提交 d198dcbb 编写于 作者: D dapan1121

add null pointer check

上级 63d68915
...@@ -879,6 +879,11 @@ int taos_stmt_prepare(TAOS_STMT* stmt, const char* sql, unsigned long length) { ...@@ -879,6 +879,11 @@ int taos_stmt_prepare(TAOS_STMT* stmt, const char* sql, unsigned long length) {
return TSDB_CODE_TSC_DISCONNECTED; return TSDB_CODE_TSC_DISCONNECTED;
} }
if (sql == NULL) {
tscError("sql is NULL");
return TSDB_CODE_TSC_APP_ERROR;
}
SSqlObj* pSql = pStmt->pSql; SSqlObj* pSql = pStmt->pSql;
size_t sqlLen = strlen(sql); size_t sqlLen = strlen(sql);
......
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