Hello!
I have been trying to get libpcap 0.6.2 compiled and installed on my HP-UX
11.0 system here and I was getting the following error during the make:
# make
cc -O -Ae +z -I. -DHAVE_CONFIG_H -c ./pcap-dlpi.c
cc: "pcap-dlpi.c", line 861: warning 604: Pointers are not
assignment-compatible.
cc: "pcap-dlpi.c", line 861: warning 563: Argument #1 is not the correct
type.
cc: "pcap-dlpi.c", line 862: warning 604: Pointers are not
assignment-compatible.
cc: "pcap-dlpi.c", line 862: warning 563: Argument #1 is not the correct
type.
Here is the paragraph of code:
#ifdef HAVE_HP_PPA_INFO_T_DL_MODULE_ID_1
/*
* The "dl_hp_ppa_info_t" structure has a "dl_module_id_1"
* member that should, in theory, contain the part of the
* name for the device that comes before the unit number,
* and should also have a "dl_module_id_2" member that may
* contain an alternate name (e.g., I think Ethernet devices
* have both "lan", for "lanN", and "snap", for "snapN", with
* the former being for Ethernet packets and the latter being
* for 802.3/802.2 packets).
*
* Search for the device that has the specified name and
* instance number.
*/
for (i = 0; i < ap->dl_count; i++) {
if ((strcmp(ip->dl_module_id_1, device) == 0 ||
strcmp(ip->dl_module_id_2, device) == 0) &&
ip->dl_instance_num == unit)
break;
ip = (dl_hp_ppa_info_t *)((u_char *)ipstart +
ip->dl_next_offset);
}
#else
The lines that have the error were the lines where the strcmp is done. I had
to change them to cast the dl_module_id as a character. It is defined in
/usr/include/sys/dlpi_ext.h as uint8_t which the compiler apparently doesn't
like to treat as a string. I had to get help from a non-unix C programmer,
so I hope we did the right thing here. I'm strictly a novice when it comes
to C programming. At any rate, the lines with strcmp now look like this:
if ((strcmp((char*)ip->dl_module_id_1, device) == 0 ||
strcmp((char*)ip->dl_module_id_2, device) == 0) &&
and it compiles beautifully now. Hope we did this right, and this helps
someone else out!
Jerel Crosland
21st Century Insurance
Unix Level 2 Support
(818)704-3187
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