1 files changed, 90 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/basic/wasm-apps/testapp.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/basic/wasm-apps/testapp.c
new file mode 100644
index 000000000..ea575e20c
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/basic/wasm-apps/testapp.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+int
+intToStr(int x, char *str, int str_len, int digit);
+int
+get_pow(int x, int y);
+int32_t
+calculate_native(int32_t n, int32_t func1, int32_t func2);
+
+//
+// Primitive parameters functions
+//
+float
+generate_float(int iteration, double seed1, float seed2)
+{
+    float ret;
+
+    printf("calling into WASM function: %s\n", __FUNCTION__);
+
+    for (int i = 0; i < iteration; i++) {
+        ret += 1.0f / seed1 + seed2;
+    }
+
+    return ret;
+}
+
+// Converts a floating-point/double number to a string.
+// intToStr() is implemented outside wasm app
+void
+float_to_string(float n, char *res, int res_size, int afterpoint)
+{
+
+    printf("calling into WASM function: %s\n", __FUNCTION__);
+
+    // Extract integer part
+    int ipart = (int)n;
+
+    // Extract floating part
+    float fpart = n - (float)ipart;
+
+    // convert integer part to string
+    int i = intToStr(ipart, res, res_size, 0);
+
+    // check for display option after point
+    if (afterpoint != 0) {
+        res[i] = '.'; // add dot
+
+        // Get the value of fraction part upto given no.
+        // of points after dot. The third parameter
+        // is needed to handle cases like 233.007
+        fpart = fpart * get_pow(10, afterpoint);
+
+        intToStr((int)fpart, res + i + 1, sizeof(res + i + 1), afterpoint);
+    }
+}
+
+int32_t
+mul7(int32_t n)
+{
+    printf("calling into WASM function: %s,", __FUNCTION__);
+    n = n * 7;
+    printf("    %s return %d \n", __FUNCTION__, n);
+    return n;
+}
+
+int32_t
+mul5(int32_t n)
+{
+    printf("calling into WASM function: %s,", __FUNCTION__);
+    n = n * 5;
+    printf("    %s return %d \n", __FUNCTION__, n);
+    return n;
+}
+
+int32_t
+calculate(int32_t n)
+{
+    printf("calling into WASM function: %s\n", __FUNCTION__);
+    int32_t (*f1)(int32_t) = &mul5;
+    int32_t (*f2)(int32_t) = &mul7;
+    return calculate_native(n, (uint32_t)f1, (uint32_t)f2);
+}