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2015-07-03Fix address resolution for columns.Guy Harris1-54/+0
Have address_to_name() be a routine that takes an address and returns a string with a "sufficiently long" lifetime for use in columns, using the address type's addr_name_res_str routine for most address types, rather than having a too-small set of address types wired into it. It replaces both the internal solve_address_to_name() routine and get_addr_name(), and can, for example, handle the special WLAN address types rather than leaving them unresolved even with an ethers file. Change-Id: Id09bc412adf5d2752155650a14a77c5378af2e42 Reviewed-on: https://code.wireshark.org/review/9475 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-06-21Fix memory leak printing eui64sEvan Huus1-3/+7
The scope that is passed in should only be used for the return value - other temporary buffers we must alloc/free ourselves, since if the scope is NULL they will not be managed automatically. Bug: 11293 Change-Id: I27be856f1c5cdf47f78e766192a29523664a543e Reviewed-on: https://code.wireshark.org/review/9007 Reviewed-by: Evan Huus <eapache@gmail.com> Petri-Dish: Evan Huus <eapache@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
2015-06-09Remove the executable bit from epan/addr_resolv.cEvan Huus1-0/+0
It was added (presumably by accident) in 41ac67c. Change-Id: If9c2daae6d9f6a0f09fc04c5332faeaa69d355c2 Reviewed-on: https://code.wireshark.org/review/8855 Reviewed-by: Evan Huus <eapache@gmail.com>
2015-06-09Fix insertion of subnets read from the subnets file: append to the *end* ofChristopher Maynard1-9/+15
the list. The patch ensures that non-duplicate subnets are appended to the end of the list rather than as the second element, which if there had been a second element previously, the memory for it was effectively leaked. It also allows /32 "subnets", even though arguably the hosts file should be used instead, but now the test in read_subnets_file() matches the assert in subnet_entry_set(). Bug: 11247 Change-Id: I54bf1cbb34edfcf410aa634043a377c27091df51 Reviewed-on: https://code.wireshark.org/review/8802 Petri-Dish: Jeff Morriss <jeff.morriss.ws@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Jeff Morriss <jeff.morriss.ws@gmail.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-03-18Complete the fix from g6b5c71a.Gerald Combs1-1/+0
Change-Id: I18360cbc50d790a22e69e85dcc16363f8c682c64 Reviewed-on: https://code.wireshark.org/review/7739 Reviewed-by: Gerald Combs <gerald@wireshark.org>
2015-03-18Don't cache existing IPv4 and IPv6 hostnames.Gerald Combs1-13/+14
In the Qt UI redrawing the packet list redissects our visible packets, which might call add_ipv{4,6}_name, which sets new_resolved_objects = TRUE, which emits the addressResolutionChanged signal, which redraws the packet list, which ... Break out of the loop by checking to see if we've already cached an IPv4 or IPv6 hostname. Change-Id: Icb2841e3453fb98d4cf0ea06a0f49737e2b8f25e Reviewed-on: https://code.wireshark.org/review/7738 Reviewed-by: Gerald Combs <gerald@wireshark.org>
2015-03-03Look for and use gethostbyname() if we don't have getaddrinfo(). Fail toJeff Morriss1-11/+59
configure if we can't find any name resolver (autotools only). This puts back the gethostbyname()/gethostbyname2() code removed in I3348179626e97daaddfbc89e3ed21e39915e3de4 and If59ce8a038776eadd6cd1794ed0e2dad8bf8a22c but as a last-resort option (only if we don't have a better or more modern name resolver). As suggested/requested by Guy in https://code.wireshark.org/review/#/c/7423/ Change-Id: I706dbbd65135f47c67d3d8d88a61ad7273914c47 Reviewed-on: https://code.wireshark.org/review/7447 Petri-Dish: Jeff Morriss <jeff.morriss.ws@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Jeff Morriss <jeff.morriss.ws@gmail.com>
2015-03-03Add tvb_get_ether_nameMichael Mann1-0/+6
This is mostly to reduce tvb_get_ptr calls that were used to pass into get_ether_name. Some optimizations were made to packet-ieee80211.c in the process of conversion. Change-Id: I81d3c65d4c09a15237fc287c2e989eb6e6936b1f Reviewed-on: https://code.wireshark.org/review/7492 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-03-02Don't read aliases from the personal hosts file.Jeff Morriss1-1/+5
We only store the last name added (i.e., the last alias) which is the opposite of what the name resolver does (it returns the first name in the hosts file). Just comment the code out for now with a comment explaining why. Maybe some day we'll have a reason to store the aliases. Change-Id: I560ac05868a429d31e9d41f3a34af36c4fca1f6c Reviewed-on: https://code.wireshark.org/review/7466 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-02-27Use getnameinfo() instead of gethostbyaddr().Jeff Morriss1-89/+90
Also fix up some formatting. Change-Id: I3348179626e97daaddfbc89e3ed21e39915e3de4 Reviewed-on: https://code.wireshark.org/review/7423 Petri-Dish: Jeff Morriss <jeff.morriss.ws@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Jeff Morriss <jeff.morriss.ws@gmail.com>
2015-02-27Restore synchronous name resolution (revert SVN rev52115).Jeff Morriss1-0/+28
These gethostbyaddr() calls should be changed to getaddrinfo() but only in master. Change-Id: I7e2d31ceb0e072beb7f324336d7b145c3adbe3a0 Reviewed-on: https://code.wireshark.org/review/7402 Reviewed-by: Jeff Morriss <jeff.morriss.ws@gmail.com>
2015-02-26Check whether we HAVE_GETADDRINFO before using it.Jeff Morriss1-4/+4
One spot was missing the check. Change-Id: I72d1d3d2dec2cc71b02861ace59dc9e189721cfb Reviewed-on: https://code.wireshark.org/review/7401 Reviewed-by: Jeff Morriss <jeff.morriss.ws@gmail.com>
2015-02-20addr_resolv.c: fix a stack buffer overflow detected by ASANPascal Quantin1-1/+1
Issue reported by Alexis Change-Id: I0ef19625b6844fbc2996b75d51e86f949e358c8d Reviewed-on: https://code.wireshark.org/review/7273 Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
2015-02-20addr_resolv: Fix Dead Store (Dead assignement/Dead increment) warning found ↵Alexis La Goutte1-11/+0
by Clang Change-Id: I559151afab48892c51b702d008c1583570bd8754 Reviewed-on: https://code.wireshark.org/review/7262 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-02-19Add name resolution support to address type.Michael Mann1-26/+1
Add address_with_resolution_to_str API that returns address string + name resolution in the format %s (%s), first string is resolved name (if available) and second string is raw address string. Convert AT_FCWWN to using proper name resolution format First use of address_with_resolution_to_str with field types in proto.c Change-Id: I2ae77c29a4ffc30bb919fbec00f06629830898c2 Reviewed-on: https://code.wireshark.org/review/7196 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-02-17Corrected display format for EUI-64Robert Cragie1-1/+1
Change-Id: I0913337a29efac5c39e30897cad7e90195fa984a Reviewed-on: https://code.wireshark.org/review/7198 Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-02-16Get rid of duplicate typedef.Guy Harris1-2/+2
Change-Id: I389132ec27405394ca73fb9c09950d8a91ea32a7 Reviewed-on: https://code.wireshark.org/review/7180 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-02-16Make get_manuf_name return a const string.Michael Mann1-39/+77
Model get_manuf_name after get_ether_name so that a string (either name resolved or colon-separated bytes) is always stored in a hash table. This will make name resolution of addresses perform a little better because it doesn't have to worry about the wmem_allocator. Change-Id: If976fe7b0c3f9cd053225096c2ac05418f061af6 Reviewed-on: https://code.wireshark.org/review/7081 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-02-14Remove a duplicate typedef.Gerald Combs1-2/+2
Change-Id: Ie26785cc3577bda84cb4d244aab5a607797b99fb Reviewed-on: https://code.wireshark.org/review/7118 Reviewed-by: Gerald Combs <gerald@wireshark.org>
2015-02-14"Hide" hashether_t structure.Michael Mann1-3/+16
One use in a GUI function isn't really enough to justify making the structure public. Change-Id: Ic7dee275ba0a2bd4e19c06702a867417c5624c27 Reviewed-on: https://code.wireshark.org/review/7080 Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-02-12Revert ""Hide" hashether_t structure."Anders Broman1-16/+3
This reverts commit 297ef07b9b2f5b681234d0c31269996413262cbc. Change-Id: Id47f5fd221b631c95ca71e3f9315f5263bab22de Reviewed-on: https://code.wireshark.org/review/7077 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-02-12Revert "Make get_manuf_name return a const string."Anders Broman1-77/+39
This reverts commit 797ea88aefc2f45dba7e77d2dcaebe68ac1a4fac. Change-Id: I9bc2cef0051d88c6374c6f1868b0250cba3edbd4 Reviewed-on: https://code.wireshark.org/review/7076 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-02-12Make get_manuf_name return a const string.Michael Mann1-39/+77
Model get_manuf_name after get_ether_name so that a string (either name resolved or colon-separated bytes) is always stored in a hash table. This will make name resolution of addresses perform a little better because it doesn't have to work about the wmem_allocator. Change-Id: I80f465ae0845290255a659ab63310ac3cc35506e Reviewed-on: https://code.wireshark.org/review/7075 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-02-12"Hide" hashether_t structure.Michael Mann1-3/+16
One use in a GUI function isn't really enough to justify making the structure public. Change-Id: I6d70b9bacbc0fa1898150f59c0c69779a6cd5d51 Reviewed-on: https://code.wireshark.org/review/7074 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-02-09Add fixed length function for address types.Michael Mann1-0/+9
This allows for even more cleanup with respect to how address types are handled, including removing address_to_str.c. Most of the functionality was folded into address_types.c, but the remainder was just dispersed because it didn't make sense to keep the file. Change-Id: Id4e9391f0c3c26eff8c27b362e4f7a1970d718b4 Reviewed-on: https://code.wireshark.org/review/7038 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-02-06Remove gethostbyaddr and gethostbyaddr2.Gerald Combs1-24/+51
They've been deprecated for a very long time. Replace them with getaddrinfo. Note that we might not want to do synchronous name resolution at all. Add HAVE_GETADDRINFO to the KfW win-mac.h collision list. Change-Id: If59ce8a038776eadd6cd1794ed0e2dad8bf8a22c Reviewed-on: https://code.wireshark.org/review/6958 Reviewed-by: Gerald Combs <gerald@wireshark.org> Petri-Dish: Gerald Combs <gerald@wireshark.org> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-01-29addr_resolv: correctly scope returned memoryEvan Huus1-4/+4
*_port_to_display functions take an allocator scope, so the memory they return must be allocated from that scope, which means we must strdup the result of serv_name_lookup. Bug: 10901 Change-Id: I337c8b6f9dfece966964c09023679b3e24648e48 Reviewed-on: https://code.wireshark.org/review/6842 Reviewed-by: Michael Mann <mmann78@netscape.net> Reviewed-by: Evan Huus <eapache@gmail.com>
2015-01-18Update some comments to reflect reality.Guy Harris1-2/+0
Get rid of references to ep_ and se_ allocation in code that now uses wmem allocation instead. Fix API documentation of conversation_table.h routines to reflect that as well - some APIs changed to pass wmem scopes. Also, zbee_sec_key_hash() now takes the output buffer as an argument and just returns it, and nobody actually uses the return value, so change it to return void. Change-Id: Ife1ec675a9322fd0f0be306a9d639ec17aad1c7a Reviewed-on: https://code.wireshark.org/review/6636 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-01-18Remove some apparently-unnecessary includes of emem.h.Guy Harris1-1/+0
Change-Id: Id50ce3e707056cca8f30052f05c451ce431b39b5 Reviewed-on: https://code.wireshark.org/review/6632 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-01-18Remove seasonal memory from address resolution.Michael Mann1-4/+25
This is the last remaining use of se_ memory APIs. Change-Id: Ic0508a830bc5460bc743d21eb33ffdd7f4ce2eb5 Reviewed-on: https://code.wireshark.org/review/6574 Petri-Dish: Michael Mann <mmann78@netscape.net> Reviewed-by: Evan Huus <eapache@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-01-18Miscellaneous ep_strdup_printf replacement.Michael Mann1-6/+6
Change-Id: I973c672e9d573ad67e9b9fd82a5610aaf8a74efa Reviewed-on: https://code.wireshark.org/review/6605 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-01-09Convert EUI64 address APIs to use wmem.Michael Mann1-27/+6
Change-Id: I57d2e435ac72ea07ec9a567e0b1ce4410966e3d2 Reviewed-on: https://code.wireshark.org/review/6419 Reviewed-by: Michael Mann <mmann78@netscape.net> Petri-Dish: Michael Mann <mmann78@netscape.net> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-01-09Have ipxnet addresses use wmem scoped memory.Michael Mann1-6/+6
Change-Id: I1d8eed2ceacccce2768590f0689cd2c83a5e56e9 Reviewed-on: https://code.wireshark.org/review/6418 Petri-Dish: Hadriel Kaplan <hadrielk@yahoo.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-01-08ep_<protocol>_port_to_display -> <protocol>_port_to_displayMichael Mann1-14/+14
Adjust any other ep_ related APIs related to the transition. Change-Id: I961b371c2c4bda557e0f1817705c27eef0dae66c Reviewed-on: https://code.wireshark.org/review/6388 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-01-06Replace ep_address_to_str with address_to_str.Michael Mann1-1/+1
Change-Id: I4f1078b20f41800f72a751612703ad0d4c2ae87b Reviewed-on: https://code.wireshark.org/review/6323 Reviewed-by: Michael Mann <mmann78@netscape.net> Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-01-05Replace ep_display_to_address with wmem equivalent display_to_address.Michael Mann1-31/+1
Almost all instances require using "manual" memory management, but it gets some ep_ calls out of the GUI. Change-Id: Ifa7303766b08d09442ccf3d7063cbe061578ecd9 Reviewed-on: https://code.wireshark.org/review/6318 Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-01-04Make all Lua code use wmem not ememHadriel Kaplan1-0/+22
Changed all remaining code in wslua that was using emem, to use wmem or simpler methods. Bug: 9927 Change-Id: I3d19a770e0fd77d996bdb6b61a76a722cc2bcd55 Reviewed-on: https://code.wireshark.org/review/6109 Petri-Dish: Michael Mann <mmann78@netscape.net> Reviewed-by: Hadriel Kaplan <hadrielk@yahoo.com> Petri-Dish: Hadriel Kaplan <hadrielk@yahoo.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
2014-12-31We no longer do anything signal-related, so don't include <signal.h>.Guy Harris1-8/+13
Update a comment pertaining to that, while we're at it. Change-Id: Ic0a3f8575f8e98ca6032ed3e06e3dd76055d65a1 Reviewed-on: https://code.wireshark.org/review/6192 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2014-12-21Do not use packet scope memory outside packet dissectorsPascal Quantin1-1/+1
Otherwise it will trigger an assert Fixes a regression introduced in gf002332 Change-Id: I0cffa2c952b7eff085a1834ebabfec03342095bd Reviewed-on: https://code.wireshark.org/review/5950 Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
2014-12-21Replace ether_to_str with either address_to_str or tvb_ether_to_str.Michael Mann1-1/+3
Change-Id: I8cce9fddbfe950e27e96ea8a5a6d2e0921ff4260 Reviewed-on: https://code.wireshark.org/review/5933 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Reviewed-by: Michael Mann <mmann78@netscape.net>
2014-10-17Don't use ctype.h routines.Guy Harris1-4/+3
That avoids locale dependency and handles possibly-signed chars (which we weren't always doing before). Change-Id: Ieceb93029252f646397b6488f2df8a57c6d2a23d Reviewed-on: https://code.wireshark.org/review/4794 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2014-09-27Get rid of g_hash_table_lookup asserts when loading an external host filePascal Quantin1-21/+24
Only parse the host file syntax without trying to store the names in the hash tables (it will be done later in host_name_lookup_init()) Change-Id: I2b8c7b29220e6413c1b5c0a0fa238ecb5388c962 Reviewed-on: https://code.wireshark.org/review/4309 Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
2014-08-09Fix regression introduced by gf3b631668bEvan Huus1-1/+1
I made a stupid when simplifying the bit-twiddling, and accidentally reversed two of the bytes which completely broke MAC address name resolution. Bug: 10344 Change-Id: I0720755fb290423150e4d84da9d45cb0b76341e4 Reviewed-on: https://code.wireshark.org/review/3522 Reviewed-by: Michael Mann <mmann78@netscape.net>
2014-07-06Clean up handling of missing functions.Guy Harris1-1/+1
With autotools, CMake, and nmake, if we have a function, #define HAVE_{function_name_in_all_caps}, otherwise don't #define it. If we provide our own version of a function in libwsutil, make sure we have a header that declares it, and *ONLY* include that header if HAVE_{function_name_in_all_caps} is *NOT* defined, so that we don't have the system declaration and our declaration colliding. Check for inet_aton, strncasecmp, and strptime with CMake, just as we do with autotools. Simplify the addition of {function_name_in_all_caps}_LO to libwsutil in autotools. Change-Id: Id5be5c73f79f81919a3a865324e400eca7b88889 Reviewed-on: https://code.wireshark.org/review/2903 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2014-07-01Optimize epan_new/init_dissectionEvan Huus1-22/+26
As Anders correctly pointed out in I7d8f84b2e, constantly resetting state will turn init_dissection into a bit of a hot path. Especially as we will already bear the overhead of switching files, we don't want to fall any further behind than we have to. This change includes three unrelated optimizations that reduce the cost of init_dissection by about 40% as measured by callgrind: - only initialize ares/ADNS if that preference is enabled (this of course only applies if you specify -n to tshark or otherwise disable the preference) - use memcpy instead of a loop in sigcomp UDVM init - use memcpy instead of a loop in bootp dissector The only remaining obvious hot spot in this path is reassembly_table_init since it is called by so many dissectors. Suggestions (perhaps to get rid of the GPtrArray) welcome. Oh, and one other change to use g_strerror instead of strerror as insisted upon by the API pre-commit hook. Change-Id: I18a74f2b64b25498116079bd4e7fc2b335c7703a Reviewed-on: https://code.wireshark.org/review/2738 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-05-11Simplify IPv4 address hashingEvan Huus1-13/+5
Rather than allocate 4 bytes and use g_int_*, use GUINT_TO_POINTER and g_direct_*. Should save some time/memory. Change-Id: Ie03d234703f68bb76131c5ddf17953d23bb54a0d Reviewed-on: https://code.wireshark.org/review/1582 Reviewed-by: Evan Huus <eapache@gmail.com>
2014-05-07Use a strong hash function for ethernet addresses.Evan Huus1-132/+23
The capture for bug 10078 caused the buildbot to time out; callgrind revealed an enourmous amount of time being spent looking up ethernet addresses. The previous code cast each address (6 bytes) to a guint64 (8 bytes) then used the built-in g_int64_hash. Unfortunately, g_int64_hash is an *awful* hash function - it produces a 4-byte hash by simply discarding the upper 4 bytes of its input. For the capture file in question this strategy (which effectively ignores the upper two bytes of each ethernet address) produced an astounding number of collisions, leading to the terrible running-time. Use wmem_strong_hash directly on the 6-byte address instead, which saves us a bunch of useless casting and bit-twiddling and produces a much better hash distribution. This shaves 20% off the time to tshark-with-tree the capture file in question *despite* a substantially more expensive hash function (wmem_strong_hash is not exactly fast compared to g_int64_hash). Bug:10078 Change-Id: I8e81cbc478e6394ec3a8efe39eec08f680a55609 Reviewed-on: https://code.wireshark.org/review/1543 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-04-21Disable transport name resolution by default.Gerald Combs1-1/+1
Modern hosts typically open many more TCP and UDP connections than in years past. For an example opening a popular news site in a web browser can easily trigger dozens of separate connections. At the same time our services file has accumulated a lot of cruft over time. As a result transport name resolution is a bunch of lies. Change-Id: Ibbca5b1c7ea1e800fc46dad63b9270128dacd721 Reviewed-on: https://code.wireshark.org/review/1240 Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-04-19Clean up white space (replace tabs with 4 spaces).Guy Harris1-9/+7
Change-Id: Id253ddca497ca92272e7317177aae5e5570f4271 Reviewed-on: https://code.wireshark.org/review/1218 Reviewed-by: Guy Harris <guy@alum.mit.edu>
2014-04-19More name changes.Guy Harris1-12/+12
Add ep_ to routines that may return ephemeral strings. Change "get_XXX" to "XXX_to_display" if the routine returns a formatted string if it can't get a name. Change-Id: Ia0e82784349752cf4285bf82788316c9588fdd88 Reviewed-on: https://code.wireshark.org/review/1217 Reviewed-by: Guy Harris <guy@alum.mit.edu>
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