remove errno in wasm_application_execute_func (#396)

.github/workflows/linux.yml

@@ -1,7 +1,10 @@
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
 name: Linux
 
 # Controls when the action will run. Triggers the workflow on push or pull request
-# events but only for the master branch
+# events but only for the main branch
 on:
   push:
     branches: [ main ]

.github/workflows/mac.yml

@@ -1,7 +1,10 @@
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
 name: Mac
 
 # Controls when the action will run. Triggers the workflow on push or pull request
-# events but only for the master branch
+# events but only for the main branch
 on:
   push:
     branches: [ main ]

core/iwasm/common/wasm_runtime_common.c

@@ -2369,9 +2369,6 @@ wasm_application_execute_func(WASMModuleInstanceCommon *module_inst,
         goto fail;
     }
 
-    /* Clear errno before parsing arguments */
-    errno = 0;
-
     /* Parse arguments */
     for (i = 0, p = 0; i < argc; i++) {
         char *endptr = NULL;
@@ -2462,12 +2459,6 @@ wasm_application_execute_func(WASMModuleInstanceCommon *module_inst,
             wasm_runtime_set_exception(module_inst, buf);
             goto fail;
         }
-        if (errno != 0) {
-            snprintf(buf, sizeof(buf),
-                     "prepare function argument error, errno: %d", errno);
-            wasm_runtime_set_exception(module_inst, buf);
-            goto fail;
-        }
     }
     bh_assert(p == (int32)argc1);