Compile warnings using CFLAGS='-Wshadow -Wpointer-arith -Wcast-qual -W -Wall'

["John Smith" <lbalbalba () gmail com>]

Hi,


When I add the CFLAGS '-Wshadow -Wpointer-arith -Wcast-qual -W -Wall'
to the build of both libpcap and tcpdump, I get a lot of warnings of
the following type:

- unused parameter 'foo'
- comparison between signed and unsigned
- 'foo' might be used uninitialized in this function
- cast discards qualifiers from pointer target type
- declaration of 'foo' shadows a global declaration
- declaration of 'foo' shadows a previous local


Perhaps some of the developers may need to look into some of these ?


For details, Ive added the complete compile logs as an attachment to
this message.

Regards,


John Smith.
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