[libvirt PATCH v2 5/5] wireshark: fix compilation errors

[Ján Tomko]

On a Friday in 2020, Pavel Hrdina wrote:
>With meson introduction which is using the same CFLAGS for the whole
>project some compilation errors were discovered. The wireshark plugin
>library is the only one in tools directory that is not using AM_CFLAGS.
>
>With the AM_CFLAGS we get these errors:
>
>../../tools/wireshark/src/packet-libvirt.c: In function 'dissect_libvirt_fds':
>../../tools/wireshark/src/packet-libvirt.c:348:31: error: unused parameter 'tvb' [-Werror=unused-parameter]
>  348 | dissect_libvirt_fds(tvbuff_t *tvb, gint start, gint32 nfds)
>      |                     ~~~~~~~~~~^~~
>../../tools/wireshark/src/packet-libvirt.c:348:41: error: unused parameter 'start' [-Werror=unused-parameter]
>  348 | dissect_libvirt_fds(tvbuff_t *tvb, gint start, gint32 nfds)
>      |                                    ~~~~~^~~~~
>../../tools/wireshark/src/packet-libvirt.c:348:55: error: unused parameter 'nfds' [-Werror=unused-parameter]
>  348 | dissect_libvirt_fds(tvbuff_t *tvb, gint start, gint32 nfds)
>      |                                                ~~~~~~~^~~~
>At top level:
>../../tools/wireshark/src/packet-libvirt.c:64:5: error: 'dissect_xdr_bool' defined but not used [-Werror=unused-function]
>   64 |     dissect_xdr_##xtype(tvbuff_t *tvb, proto_tree *tree, XDR *xdrs, int hf) \
>      |     ^~~~~~~~~~~~
>../../tools/wireshark/src/packet-libvirt.c:88:1: note: in expansion of macro 'XDR_PRIMITIVE_DISSECTOR'
>   88 | XDR_PRIMITIVE_DISSECTOR(bool,    bool_t,  boolean)
>      | ^~~~~~~~~~~~~~~~~~~~~~~
>../../tools/wireshark/src/packet-libvirt.c:64:5: error: 'dissect_xdr_float' defined but not used [-Werror=unused-function]
>   64 |     dissect_xdr_##xtype(tvbuff_t *tvb, proto_tree *tree, XDR *xdrs, int hf) \
>      |     ^~~~~~~~~~~~
>../../tools/wireshark/src/packet-libvirt.c:86:1: note: in expansion of macro 'XDR_PRIMITIVE_DISSECTOR'
>   86 | XDR_PRIMITIVE_DISSECTOR(float,   gfloat,  float)
>      | ^~~~~~~~~~~~~~~~~~~~~~~
>../../tools/wireshark/src/packet-libvirt.c:64:5: error: 'dissect_xdr_short' defined but not used [-Werror=unused-function]
>   64 |     dissect_xdr_##xtype(tvbuff_t *tvb, proto_tree *tree, XDR *xdrs, int hf) \
>      |     ^~~~~~~~~~~~
>../../tools/wireshark/src/packet-libvirt.c:80:1: note: in expansion of macro 'XDR_PRIMITIVE_DISSECTOR'
>   80 | XDR_PRIMITIVE_DISSECTOR(short,   gint16,  int)
>      | ^~~~~~~~~~~~~~~~~~~~~~~
>../../tools/wireshark/src/packet-libvirt.c: In function 'dissect_libvirt_message':
>../../tools/wireshark/src/packet-libvirt.c:423:34: error: null pointer dereference [-Werror=null-dereference]
>  423 |         vir_xdr_dissector_t xd = find_payload_dissector(proc, type, get_program_data(prog, VIR_PROGRAM_DISSECTORS),
>      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>  424 |                                                         *(gsize *)get_program_data(prog, VIR_PROGRAM_DISSECTORS_LEN));
>      |                                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
>---
> src/internal.h                       |  4 ++++
> tools/Makefile.am                    |  2 +-
> tools/wireshark/src/packet-libvirt.c | 17 ++++++++++++++---
> 3 files changed, 19 insertions(+), 4 deletions(-)
>

Reviewed-by: Ján Tomko <jtomko at redhat.com>

Jano
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