Changeset 925 for cpp/frams/util

Timestamp:

05/25/20 15:06:41 (5 years ago)

Author:

Maciej Komosinski

Message:

Handling errno==ERANGE when parsing numbers by strtod()

File:

• cpp/frams/util/extvalue.cpp (modified) (1 diff)

cpp/frams/util/extvalue.cpp

@@ -1068 +1068 @@
         errno = 0;
         double fpvalue = strtod(in, &after);
+        if (errno == ERANGE)
+        {
+                logPrintf("ExtValue", "parseNumber", LOG_WARN, "Unrepresentable number and strtod() signalled ERANGE: parsed %d chars of '%s' and returned '%f'", after - in, in, fpvalue);
+                if (fpvalue == 0) errno = 0; //otherwise we have +inf or -inf from a string number because it was too large for double-type, and we don't want to have infinities in ExtValue so we leave errno!=0
+        }
         if ((after > in) && (errno == 0))
         {