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Re: [libvirt] "shadows a global declaration" warnings in virsh



On 03/12/2010, at 9:04 PM, Jiri Denemark wrote:
>>>>  virsh.c: In function 'cmdRunConsole':
>>>>  virsh.c:735: warning: declaration of 'devname' shadows a global declaration [-Wshadow]
>>>>  /usr/include/stdlib.h:290: warning: shadowed declaration is here [-Wshadow]
>>>>  virsh.c: In function 'cmdConsole':
>>>>  virsh.c:765: warning: declaration of 'devname' shadows a global declaration [-Wshadow]
>>>>  /usr/include/stdlib.h:290: warning: shadowed declaration is here [-Wshadow]
>>>>  virsh.c: In function 'vshReadlineInit':
>>>>  virsh.c:11575: warning: assignment discards qualifiers from pointer target type
>>>> 
>>>> Haven't looked into it yet as they're only warnings.  Anyone know if they're important enough
>>>> to look into?
> 
> Well, all warnings are important since we should be able to build with
> --enable-compile-warnings=error
> 
>> Sorry, should have mentioned that they're only showing up in OSX, but not in Fedora 13. :)
> 
> Yeah, I was thinking it was the case. Apparently, OSX has devname declared in
> /usr/include/stdlib.h:290. I wonder if it's only OSX or other BSD systems are
> affected as well.

Looks like it from what Matthias just mentioned.  Looking in /usr/include/stdlib.h on the box here,
it shows these:

    int      daemon(int, int) __DARWIN_1050(daemon) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0,__MAC_10_5,__IPHONE_2_0,__IPHONE_2_0);
    char    *devname(dev_t, mode_t);
    char    *devname_r(dev_t, mode_t, char *buf, int len);
    char    *getbsize(int *, long *);
    int      getloadavg(double [], int);
    const char
        *getprogname(void);

(included a few extra lines for context)


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