Experimental Physics and
Industrial Control System

Andrew Johnson <[email protected]> · Fri, 11 Nov 2016 14:43:24 -0600

Hi Freddie,

On 11/10/2016 05:52 PM, [email protected] wrote:
> epicsStdioTest.c plans 166 tests on Windows but 163 otherwise, if I
> build using Visual Studio 2010 instead 166 tests passed OK. On
> further investigation it seems the issue occurs within
> testEpicsSnprintf() and is due to Microsoft changing (fixing) the
> formatting  of "%8.2e" by sprint():
> 
> In Visual Studio 2010 this generates    1.23e+004
> In Visual Studio 2015 this generates    1.23e+04

Thanks for the report. Does this patch make the test pass on both compilers?

=== modified file 'src/libCom/test/epicsStdioTest.c'

--- src/libCom/test/epicsStdioTest.c    2012-02-03 22:12:06 +0000
+++ src/libCom/test/epicsStdioTest.c    2016-11-11 20:40:36 +0000
@@ -39,6 +39,11 @@
     int size;
     int rtn, rlen;

+#if defined(WIN32) && \
+    (!defined(_MINGW) || __MSVCRT_VERSION__ >= 0x0800)
+    _set_output_format(_TWO_DIGIT_EXPONENT);
+#endif
+
     sprintf(exbuffer, format, ivalue, fvalue, svalue);
     rlen = strlen(expected)+1;

@@ -122,11 +127,7 @@

 MAIN(epicsStdioTest)
 {
-#ifdef _WIN32
-    testPlan(166);
-#else
     testPlan(163);
-#endif
     testEpicsSnprintf();
     testStdoutRedir("report");
     return testDone();


- Andrew


-- 
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System