[Bug 778] New - Compiler warnings for wine-20020605

[wine-bugs at winehq.com]

http://bugs.winehq.com/show_bug.cgi?id=778

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+ +============================================================================+
+ | Compiler warnings for wine-20020605                                        |
+ +----------------------------------------------------------------------------+
+ |        Bug #: 778                         Product: Wine                    |
+ |       Status: UNCONFIRMED                 Version: unspecified             |
+ |   Resolution:                            Platform:                         |
+ |     Severity: normal                   OS/Version: All                     |
+ |     Priority: P1                        Component: wine-binary             |
+ +----------------------------------------------------------------------------+
+ |  Assigned To: wine-bugs at winehq.com                                         |
+ |  Reported By: tenthumbs at cybernex.net                                       |
+ |      CC list: Cc:                                                          |
+ +----------------------------------------------------------------------------+
+ |    Milestone: TargetMilestone: ---                                         |
+ |          URL:                                                              |
+ +============================================================================+
+ |                              DESCRIPTION                                   |
+ I used gcc -W and these warnigns turned up. Most of them are of the form
+   unsigned foo;
+   if (foo < 0) report _error;
+ Gcc is "smart" and knows unsigned values can never be negative so the test is
+ false, the error clause becomes unreachable code and gcc eliminates it when
+ optimizing. Not good.
+ 
+ I'm sure the component is wrong so someone fix it.
+ 
+ The list:
+ files/file.c:135: warning: unsigned value < 0 is always 0
+ dlls/ntdll/reg.c:229: warning: unsigned value < 0 is always 0
+ dlls/advapi32/crypt.c:845: warning: unsigned value < 0 is always 0
+ dlls/advapi32/crypt.c:1132: warning: unsigned value < 0 is always 0
+ dlls/gdi/freetype.c:712: warning: unsigned value < 0 is always 0
+ controls/button.c:201: warning: unsigned value < 0 is always 0
+ dlls/x11drv/winpos.c:1405: warning: unsigned value >= 0 is always 1
+ dlls/comctl32/listview.c:1835: warning: unsigned value >= 0 is always 1
+ dlls/comctl32/listview.c:1838: warning: unsigned value >= 0 is always 1
+ dlls/ole32/hglobalstream.c:614: warning: unsigned value < 0 is always 0
+ dlls/ole32/oleobj.c:291: warning: unsigned value < 0 is always 0
+ dlls/ole32/oleobj.c:650: warning: unsigned value < 0 is always 0
+ dlls/shlwapi/ordinal.c:1163: warning: unsigned value < 0 is always 0
+ dlls/shlwapi/ordinal.c:2458: warning: unsigned value < 0 is always 0
+ dlls/shlwapi/ordinal.c:2473: warning: unsigned value < 0 is always 0
+ dlls/shlwapi/shlwapi_main.c:63: warning: unsigned value >= 0 is always 1
+ dlls/oleaut32/typelib.c:4586: warning: unsigned value >= 0 is always 1
+ dlls/oleaut32/typelib.c:4819: warning: unsigned value >= 0 is always 1
+ dlls/oleaut32/variant.c:3935: warning: unsigned value < 0 is always 0
+ dlls/oleaut32/variant.c:4035: warning: unsigned value < 0 is always 0
+ dlls/oleaut32/variant.c:4647: warning: unsigned value < 0 is always 0
+ dlls/wininet/internet.c:855: warning: unsigned value < 0 is always 0
+ dlls/wininet/internet.c:903: warning: unsigned value < 0 is always 0
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