Changeset 464 for azure_iot_hub_f767zi/trunk/azure_iot_sdk/c-utility/src/crt_abstractions.c

Timestamp:

Jun 22, 2021, 9:00:19 PM (3 years ago)

Author:

coas-nagasima

Message:

WolfSSLとAzure IoT SDKを更新

File:

• azure_iot_hub_f767zi/trunk/azure_iot_sdk/c-utility/src/crt_abstractions.c (modified) (3 diffs)

azure_iot_hub_f767zi/trunk/azure_iot_sdk/c-utility/src/crt_abstractions.c

@@ -6 +6 @@
 #include <stdlib.h>
 #include <stdarg.h>
+#include <stdint.h>
 #include <string.h>
 #include <limits.h>
@@ -598 +599 @@
         case FST_NUMBER:
             val = fraction * pow(10.0, (double)exponential) * (double)signal;
-            if ((val >= (FLT_MAX * (-1.0f))) && (val <= FLT_MAX))
+            if ((val >= ((double)FLT_MAX * (-1.0))) && (val <= (double)FLT_MAX))
             {
                 /*Codes_SRS_CRT_ABSTRACTIONS_21_016: [The strtof_s must return the float that represents the value in the initial part of the string. If any.]*/
@@ -836 +837 @@
     return result;
 }
+
+/*takes "value" and transforms it into a decimal string*/
+/*10 => "10"*/
+/*return 0 when everything went ok*/
+int uint64_tToString(char* destination, size_t destinationSize, uint64_t value)
+{
+    int result;
+    size_t pos;
+    /*the below loop gets the number in reverse order*/
+    if (
+        (destination == NULL) ||
+        (destinationSize < 2) /*because the smallest number is '0\0' which requires 2 characters*/
+        )
+    {
+        result = MU_FAILURE;
+    }
+    else
+    {
+        pos = 0;
+        do
+        {
+            destination[pos++] = '0' + (value % 10);
+            value /= 10;
+        } while ((value > 0) && (pos < (destinationSize - 1)));
+
+        if (value == 0)
+        {
+            size_t w;
+            destination[pos] = '\0';
+            /*all converted and they fit*/
+            for (w = 0; w <= (pos - 1) >> 1; w++)
+            {
+                char temp;
+                temp = destination[w];
+                destination[w] = destination[pos - 1 - w];
+                destination[pos - 1 - w] = temp;
+            }
+            result = 0;
+        }
+        else
+        {
+            result = MU_FAILURE;
+        }
+    }
+    return result;
+}