New subject: [Bug 15690] msvcrt: enumeration value not handled in switch

20 Oct 2008

http://bugs.winehq.org/show_bug.cgi?id=15690
Summary: msvcrt: enumeration value not handled in switch
           Product: Wine
           Version: 1.1.6
          Platform: PC
        OS/Version: Solaris
            Status: NEW
          Keywords: patch, source
          Severity: enhancement
          Priority: P2
         Component: msvcrt
        AssignedTo: wine-bugs@winehq.org
        ReportedBy: austinenglish@gmail.com
math.c: In function `_fpclass':
math.c:391: warning: enumeration value `FP_SNAN' not handled in switch
math.c:391: warning: enumeration value `FP_QNAN' not handled in switch
math.c:391: warning: enumeration value `FP_NINF' not handled in switch
math.c:391: warning: enumeration value `FP_PINF' not handled in switch
math.c:391: warning: enumeration value `FP_NDENORM' not handled in switch
math.c:391: warning: enumeration value `FP_PDENORM' not handled in switch
math.c:391: warning: enumeration value `FP_NZERO' not handled in switch
math.c:391: warning: enumeration value `FP_PZERO' not handled in switch
math.c:391: warning: enumeration value `FP_NNORM' not handled in switch
math.c:391: warning: enumeration value `FP_PNORM' not handled in switch
http://publib.boulder.ibm.com/infocenter/tpfhelp/current/index.jsp?topic=/co...
The following patch gets rid of the error, but I'm not sure if it's correct. We
need to have a 'default: return;' statement of some sort.

diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index 25ac69f..30d7956 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -420,8 +420,8 @@ int CDECL _fpclass(double num)
 #ifdef FP_PNORM
   case FP_PNORM: return MSVCRT__FPCLASS_PN;
 #endif
+  default: return MSVCRT__FPCLASS_PN;
   }
-  return MSVCRT__FPCLASS_PN;
 #elif defined (fpclassify)
   switch (fpclassify( num ))
   {
This only appears when I compile on Open Solaris. Compiling on Ubuntu gives no
warning.
bash-3.2$ gcc -v
Reading specs from /usr/sfw/lib/gcc/i386-pc-solaris2.11/3.4.3/specs
Configured with: /builds/sfwnv-99/usr/src/cmd/gcc/gcc-3.4.3/configure
--prefix=/usr/sfw --with-as=/usr/sfw/bin/gas --with-gnu-as
--with-ld=/usr/ccs/bin/ld --without-gnu-ld --enable-languages=c,c++,f77,objc
--enable-shared
Thread model: posix
gcc version 3.4.3 (csl-sol210-3_4-20050802)
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[Bug 15690] New: msvcrt: enumeration value not handled in switch