version_info.c

   1 /* version_info.c
   2  * Routines to report version information for stuff used by Wireshark
   3  *
   4  * $Id$
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version 2
  13  * of the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  23  */
  24
  25 #include "config.h"
  26
  27 #include <glib.h>
  28
  29 #include <stdlib.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32 #include <errno.h>
  33
  34 #ifdef HAVE_LIBZ
  35 #include <zlib.h>       /* to get the libz version number */
  36 #endif
  37
  38 #ifdef HAVE_SYS_UTSNAME_H
  39 #include <sys/utsname.h>
  40 #endif
  41
  42 #include "version_info.h"
  43 #include "capture-pcap-util.h"
  44 #include <wsutil/unicode-utils.h>
  45
  46 #include "svnversion.h"
  47
  48 #ifdef HAVE_WINDOWS_H
  49 #include <windows.h>
  50 #endif
  51
  52 #ifdef HAVE_OS_X_FRAMEWORKS
  53 #include <CoreFoundation/CoreFoundation.h>
  54 #include "cfutils.h"
  55 #endif
  56
  57 #ifdef HAVE_LIBCAP
  58 # include <sys/capability.h>
  59 #endif
  60
  61 #ifdef SVNVERSION
  62         const char *wireshark_svnversion = " (" SVNVERSION " from " SVNPATH ")";
  63 #else
  64         const char *wireshark_svnversion = "";
  65 #endif
  66
  67 /*
  68  * If the string doesn't end with a newline, append one.
  69  * Then word-wrap it to 80 columns.
  70  */
  71 static void
  72 end_string(GString *str)
  73 {
  74         size_t point;
  75         char *p, *q;
  76
  77         point = str->len;
  78         if (point == 0 || str->str[point - 1] != '\n')
  79                 g_string_append(str, "\n");
  80         p = str->str;
  81         while (*p != '\0') {
  82                 q = strchr(p, '\n');
  83                 if (q - p > 80) {
  84                         /*
  85                          * Break at or before this point.
  86                          */
  87                         q = p + 80;
  88                         while (q > p && *q != ' ')
  89                                 q--;
  90                         if (q != p)
  91                                 *q = '\n';
  92                 }
  93                 p = q + 1;
  94         }
  95 }
  96
  97 /*
  98  * Get various library compile-time versions and append them to
  99  * the specified GString.
 100  *
 101  * "additional_info" is called at the end to append any additional
 102  * information; this is required in order to, for example, put the
 103  * Portaudio information at the end of the string, as we currently
 104  * don't use Portaudio in TShark.
 105  */
 106 void
 107 get_compiled_version_info(GString *str, void (*prepend_info)(GString *),
 108                           void (*append_info)(GString *))
 109 {
 110         if (sizeof(str) == 4)
 111                 g_string_append(str, "(32-bit) ");
 112         else
 113                 g_string_append(str, "(64-bit) ");
 114
 115         if (prepend_info)
 116                 (*prepend_info)(str);
 117
 118         /* GLIB */
 119         g_string_append(str, "with ");
 120         g_string_append_printf(str,
 121 #ifdef GLIB_MAJOR_VERSION
 122             "GLib %d.%d.%d", GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION,
 123             GLIB_MICRO_VERSION);
 124 #else
 125             "GLib (version unknown)");
 126 #endif
 127
 128         /* Libpcap */
 129         g_string_append(str, ", ");
 130         get_compiled_pcap_version(str);
 131
 132         /* LIBZ */
 133         g_string_append(str, ", ");
 134 #ifdef HAVE_LIBZ
 135         g_string_append(str, "with libz ");
 136 #ifdef ZLIB_VERSION
 137         g_string_append(str, ZLIB_VERSION);
 138 #else /* ZLIB_VERSION */
 139         g_string_append(str, "(version unknown)");
 140 #endif /* ZLIB_VERSION */
 141 #else /* HAVE_LIBZ */
 142         g_string_append(str, "without libz");
 143 #endif /* HAVE_LIBZ */
 144
 145         /* LIBCAP */
 146         g_string_append(str, ", ");
 147 #ifdef HAVE_LIBCAP
 148         g_string_append(str, "with POSIX capabilities");
 149 #ifdef _LINUX_CAPABILITY_VERSION
 150         g_string_append(str, " (Linux)");
 151 #endif /* _LINUX_CAPABILITY_VERSION */
 152 #else /* HAVE_LIBCAP */
 153         g_string_append(str, "without POSIX capabilities");
 154 #endif /* HAVE_LIBCAP */
 155
 156         /* LIBNL */
 157         g_string_append(str, ", ");
 158 #if defined(HAVE_LIBNL1)
 159         g_string_append(str, "with libnl 1");
 160 #elif defined(HAVE_LIBNL2)
 161         g_string_append(str, "with libnl 2");
 162 #elif defined(HAVE_LIBNL3)
 163         g_string_append(str, "with libnl 3");
 164 #else
 165         g_string_append(str, "without libnl");
 166 #endif
 167
 168         /* Additional application-dependent information */
 169         if (append_info)
 170                 (*append_info)(str);
 171         g_string_append(str, ".");
 172
 173         end_string(str);
 174 }
 175
 176 #ifdef _WIN32
 177 typedef void (WINAPI *nativesi_func_ptr)(LPSYSTEM_INFO);
 178 #endif
 179
 180 /*
 181  * Handles the rather elaborate process of getting OS version information
 182  * from OS X (we want the OS X version, not the Darwin version, the latter
 183  * being easy to get with uname()).
 184  */
 185 #ifdef HAVE_OS_X_FRAMEWORKS
 186
 187 /*
 188  * Fetch a string, as a UTF-8 C string, from a dictionary, given a key.
 189  */
 190 static char *
 191 get_string_from_dictionary(CFPropertyListRef dict, CFStringRef key)
 192 {
 193         CFStringRef cfstring;
 194
 195         cfstring = CFDictionaryGetValue(dict, key);
 196         if (cfstring == NULL)
 197                 return NULL;
 198         if (CFGetTypeID(cfstring) != CFStringGetTypeID()) {
 199                 /* It isn't a string.  Punt. */
 200                 return NULL;
 201         }
 202         return CFString_to_C_string(cfstring);
 203 }
 204
 205 /*
 206  * Get the OS X version information, and append it to the GString.
 207  * Return TRUE if we succeed, FALSE if we fail.
 208  */
 209 static gboolean
 210 get_os_x_version_info(GString *str)
 211 {
 212         static const UInt8 server_version_plist_path[] =
 213             "/System/Library/CoreServices/ServerVersion.plist";
 214         static const UInt8 system_version_plist_path[] =
 215             "/System/Library/CoreServices/SystemVersion.plist";
 216         CFURLRef version_plist_file_url;
 217         CFReadStreamRef version_plist_stream;
 218         CFDictionaryRef version_dict;
 219         char *string;
 220
 221         /*
 222          * On OS X, report the OS X version number as the OS, and put
 223          * the Darwin information in parentheses.
 224          *
 225          * Alas, Gestalt() is deprecated in Mountain Lion, so the build
 226          * fails if you treat deprecation warnings as fatal.  I don't
 227          * know of any replacement API, so we fall back on reading
 228          * /System/Library/CoreServices/ServerVersion.plist if it
 229          * exists, otherwise /System/Library/CoreServices/SystemVersion.plist,
 230          * and using ProductUserVisibleVersion.  We also get the build
 231          * version from ProductBuildVersion and the product name from
 232          * ProductName.
 233          */
 234         version_plist_file_url = CFURLCreateFromFileSystemRepresentation(NULL,
 235             server_version_plist_path, sizeof server_version_plist_path - 1,
 236             false);
 237         if (version_plist_file_url == NULL)
 238                 return FALSE;
 239         version_plist_stream = CFReadStreamCreateWithFile(NULL,
 240             version_plist_file_url);
 241         CFRelease(version_plist_file_url);
 242         if (version_plist_stream == NULL)
 243                 return FALSE;
 244         if (!CFReadStreamOpen(version_plist_stream)) {
 245                 CFRelease(version_plist_stream);
 246
 247                 /*
 248                  * Try SystemVersion.plist.
 249                  */
 250                 version_plist_file_url = CFURLCreateFromFileSystemRepresentation(NULL,
 251                     system_version_plist_path, sizeof system_version_plist_path - 1,
 252                     false);
 253                 if (version_plist_file_url == NULL)
 254                         return FALSE;
 255                 version_plist_stream = CFReadStreamCreateWithFile(NULL,
 256                     version_plist_file_url);
 257                 CFRelease(version_plist_file_url);
 258                 if (version_plist_stream == NULL)
 259                         return FALSE;
 260                 if (!CFReadStreamOpen(version_plist_stream)) {
 261                         CFRelease(version_plist_stream);
 262                         return FALSE;
 263                 }
 264         }
 265 #ifdef HAVE_CFPROPERTYLISTCREATEWITHSTREAM
 266         version_dict = CFPropertyListCreateWithStream(NULL,
 267             version_plist_stream, 0, kCFPropertyListImmutable,
 268             NULL, NULL);
 269 #else
 270         version_dict = CFPropertyListCreateFromStream(NULL,
 271             version_plist_stream, 0, kCFPropertyListImmutable,
 272             NULL, NULL);
 273 #endif
 274         if (version_dict == NULL)
 275                 return FALSE;
 276         if (CFGetTypeID(version_dict) != CFDictionaryGetTypeID()) {
 277                 /* This is *supposed* to be a dictionary.  Punt. */
 278                 CFRelease(version_dict);
 279                 CFReadStreamClose(version_plist_stream);
 280                 CFRelease(version_plist_stream);
 281                 return FALSE;
 282         }
 283         /* Get the product name string. */
 284         string = get_string_from_dictionary(version_dict,
 285             CFSTR("ProductName"));
 286         if (string == NULL) {
 287                 CFRelease(version_dict);
 288                 CFReadStreamClose(version_plist_stream);
 289                 CFRelease(version_plist_stream);
 290                 return FALSE;
 291         }
 292         g_string_append_printf(str, "%s", string);
 293         g_free(string);
 294
 295         /* Get the OS version string. */
 296         string = get_string_from_dictionary(version_dict,
 297             CFSTR("ProductUserVisibleVersion"));
 298         if (string == NULL) {
 299                 CFRelease(version_dict);
 300                 CFReadStreamClose(version_plist_stream);
 301                 CFRelease(version_plist_stream);
 302                 return FALSE;
 303         }
 304         g_string_append_printf(str, " %s", string);
 305         g_free(string);
 306
 307         /* Get the build string */
 308         string = get_string_from_dictionary(version_dict,
 309             CFSTR("ProductBuildVersion"));
 310         if (string == NULL) {
 311                 CFRelease(version_dict);
 312                 CFReadStreamClose(version_plist_stream);
 313                 CFRelease(version_plist_stream);
 314                 return FALSE;
 315         }
 316         g_string_append_printf(str, ", build %s", string);
 317         g_free(string);
 318         CFRelease(version_dict);
 319         CFReadStreamClose(version_plist_stream);
 320         CFRelease(version_plist_stream);
 321         return TRUE;
 322 }
 323 #endif
 324
 325 /*
 326  * Get the OS version, and append it to the GString
 327  */
 328 void get_os_version_info(GString *str)
 329 {
 330 #if defined(_WIN32)
 331         OSVERSIONINFOEX info;
 332         SYSTEM_INFO system_info;
 333         nativesi_func_ptr nativesi_func;
 334 #elif defined(HAVE_SYS_UTSNAME_H)
 335         struct utsname name;
 336 #endif
 337
 338 #if defined(_WIN32)
 339         /*
 340          * See
 341          *
 342          *      http://msdn.microsoft.com/library/default.asp?url=/library/en-us/sysinfo/base/getting_the_system_version.asp
 343          *
 344          * for more than you ever wanted to know about determining the
 345          * flavor of Windows on which you're running.  Implementing more
 346          * of that is left as an exercise to the reader - who should
 347          * check any copyright information about code samples on MSDN
 348          * before cutting and pasting into Wireshark.
 349          *
 350          * They should also note that you need an OSVERSIONINFOEX structure
 351          * to get some of that information, and that not only is that
 352          * structure not supported on older versions of Windows, you might
 353          * not even be able to compile code that *uses* that structure with
 354          * older versions of the SDK.
 355          */
 356
 357         memset(&info, '\0', sizeof info);
 358         info.dwOSVersionInfoSize = sizeof info;
 359         if (!GetVersionEx((OSVERSIONINFO *)&info)) {
 360                 /*
 361                  * XXX - get the failure reason.
 362                  */
 363                 g_string_append(str, "unknown Windows version");
 364                 return;
 365         }
 366
 367         memset(&system_info, '\0', sizeof system_info);
 368         /* Look for and use the GetNativeSystemInfo() function if available to get the correct processor
 369          * architecture even when running 32-bit Wireshark in WOW64 (x86 emulation on 64-bit Windows) */
 370         nativesi_func = (nativesi_func_ptr)GetProcAddress(GetModuleHandle(_T("kernel32.dll")), "GetNativeSystemInfo");
 371         if(nativesi_func)
 372                 nativesi_func(&system_info);
 373         else
 374                 GetSystemInfo(&system_info);
 375
 376         switch (info.dwPlatformId) {
 377
 378         case VER_PLATFORM_WIN32s:
 379                 /* Shyeah, right. */
 380                 g_string_append_printf(str, "Windows 3.1 with Win32s");
 381                 break;
 382
 383         case VER_PLATFORM_WIN32_WINDOWS:
 384                 /* Windows OT */
 385                 switch (info.dwMajorVersion) {
 386
 387                 case 4:
 388                         /* 3 cheers for Microsoft marketing! */
 389                         switch (info.dwMinorVersion) {
 390
 391                         case 0:
 392                                 g_string_append_printf(str, "Windows 95");
 393                                 break;
 394
 395                         case 10:
 396                                 g_string_append_printf(str, "Windows 98");
 397                                 break;
 398
 399                         case 90:
 400                                 g_string_append_printf(str, "Windows Me");
 401                                 break;
 402
 403                         default:
 404                                 g_string_append_printf(str, "Windows OT, unknown version %lu.%lu",
 405                                     info.dwMajorVersion, info.dwMinorVersion);
 406                                 break;
 407                         }
 408                         break;
 409
 410                 default:
 411                         g_string_append_printf(str, "Windows OT, unknown version %lu.%lu",
 412                             info.dwMajorVersion, info.dwMinorVersion);
 413                         break;
 414                 }
 415                 break;
 416
 417         case VER_PLATFORM_WIN32_NT:
 418                 /* Windows NT */
 419                 switch (info.dwMajorVersion) {
 420
 421                 case 3:
 422                 case 4:
 423                         g_string_append_printf(str, "Windows NT %lu.%lu",
 424                             info.dwMajorVersion, info.dwMinorVersion);
 425                         break;
 426
 427                 case 5:
 428                         /* 3 cheers for Microsoft marketing! */
 429                         switch (info.dwMinorVersion) {
 430
 431                         case 0:
 432                                 g_string_append_printf(str, "Windows 2000");
 433                                 break;
 434
 435                         case 1:
 436                                 g_string_append_printf(str, "Windows XP");
 437                                 break;
 438
 439                         case 2:
 440                                 if ((info.wProductType == VER_NT_WORKSTATION) &&
 441                                     (system_info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)) {
 442                                         g_string_append_printf(str, "Windows XP Professional x64 Edition");
 443                                 } else {
 444                                         g_string_append_printf(str, "Windows Server 2003");
 445                                         if (system_info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
 446                                                 g_string_append_printf(str, " x64 Edition");
 447                                 }
 448                                 break;
 449
 450                         default:
 451                                 g_string_append_printf(str, "Windows NT, unknown version %lu.%lu",
 452                                                        info.dwMajorVersion, info.dwMinorVersion);
 453                                 break;
 454                         }
 455                         break;
 456
 457                 case 6: {
 458                         gboolean is_nt_workstation;
 459
 460                         if (system_info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
 461                                 g_string_append(str, "64-bit ");
 462                         else if (system_info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL)
 463                                 g_string_append(str, "32-bit ");
 464 #ifndef VER_NT_WORKSTATION
 465 #define VER_NT_WORKSTATION 0x01
 466                         is_nt_workstation = ((info.wReserved[1] & 0xff) == VER_NT_WORKSTATION);
 467 #else
 468                         is_nt_workstation = (info.wProductType == VER_NT_WORKSTATION);
 469 #endif
 470                         switch (info.dwMinorVersion) {
 471                         case 0:
 472                                 g_string_append_printf(str, is_nt_workstation ? "Windows Vista" : "Windows Server 2008");
 473                                 break;
 474                         case 1:
 475                                 g_string_append_printf(str, is_nt_workstation ? "Windows 7" : "Windows Server 2008 R2");
 476                                 break;
 477                         default:
 478                                 g_string_append_printf(str, "Windows NT, unknown version %lu.%lu",
 479                                                        info.dwMajorVersion, info.dwMinorVersion);
 480                                 break;
 481                         }
 482                         break;
 483                 }  /* case 6 */
 484                 default:
 485                         g_string_append_printf(str, "Windows NT, unknown version %lu.%lu",
 486                             info.dwMajorVersion, info.dwMinorVersion);
 487                         break;
 488                 } /* info.dwMajorVersion */
 489                 break;
 490
 491         default:
 492                 g_string_append_printf(str, "Unknown Windows platform %lu version %lu.%lu",
 493                     info.dwPlatformId, info.dwMajorVersion, info.dwMinorVersion);
 494                 break;
 495         }
 496         if (info.szCSDVersion[0] != '\0')
 497                 g_string_append_printf(str, " %s", utf_16to8(info.szCSDVersion));
 498         g_string_append_printf(str, ", build %lu", info.dwBuildNumber);
 499 #elif defined(HAVE_SYS_UTSNAME_H)
 500         /*
 501          * We have <sys/utsname.h>, so we assume we have "uname()".
 502          */
 503         if (uname(&name) < 0) {
 504                 g_string_append_printf(str, "unknown OS version (uname failed - %s)",
 505                     g_strerror(errno));
 506                 return;
 507         }
 508
 509         if (strcmp(name.sysname, "AIX") == 0) {
 510                 /*
 511                  * Yay, IBM!  Thanks for doing something different
 512                  * from most of the other UNIXes out there, and
 513                  * making "name.version" apparently be the major
 514                  * version number and "name.release" be the minor
 515                  * version number.
 516                  */
 517                 g_string_append_printf(str, "%s %s.%s", name.sysname, name.version,
 518                     name.release);
 519         } else {
 520                 /*
 521                  * XXX - get "version" on any other platforms?
 522                  *
 523                  * On Digital/Tru64 UNIX, it's something unknown.
 524                  * On Solaris, it's some kind of build information.
 525                  * On HP-UX, it appears to be some sort of subrevision
 526                  * thing.
 527                  * On *BSD and Darwin/OS X, it's a long string giving
 528                  * a build date, config file name, etc., etc., etc..
 529                  */
 530 #ifdef HAVE_OS_X_FRAMEWORKS
 531                 /*
 532                  * On Mac OS X, report the Mac OS X version number as
 533                  * the OS version if we can, and put the Darwin information
 534                  * in parentheses.
 535                  */
 536                 if (get_os_x_version_info(str)) {
 537                         /* Success - append the Darwin information. */
 538                         g_string_append_printf(str, " (%s %s)", name.sysname, name.release);
 539                 } else {
 540                         /* Failure - just use the Darwin information. */
 541                         g_string_append_printf(str, "%s %s", name.sysname, name.release);
 542                 }
 543 #else /* HAVE_OS_X_FRAMEWORKS */
 544                 /*
 545                  * XXX - on Linux, are there any APIs to get the distribution
 546                  * name and version number?  I think some distributions have
 547                  * that.
 548                  *
 549                  * At least on Linux Standard Base-compliant distributions,
 550                  * there's an "lsb_release" command.  However:
 551                  *
 552                  *      http://forums.fedoraforum.org/showthread.php?t=220885
 553                  *
 554                  * seems to suggest that if you don't have the redhat-lsb
 555                  * package installed, you don't have lsb_release, and that
 556                  * /etc/fedora-release has the release information on
 557                  * Fedora.
 558                  *
 559                  *      http://linux.die.net/man/1/lsb_release
 560                  *
 561                  * suggests that there's an /etc/distrib-release file, but
 562                  * it doesn't indicate whether "distrib" is literally
 563                  * "distrib" or is the name for the distribution, and
 564                  * also speaks of an /etc/debian_version file.
 565                  *
 566                  * "lsb_release" apparently parses /etc/lsb-release, which
 567                  * has shell-style assignments, assigning to, among other
 568                  * values, DISTRIB_ID (distributor/distribution name),
 569                  * DISTRIB_RELEASE (release number of the distribution),
 570                  * DISTRIB_DESCRIPTION (*might* be name followed by version,
 571                  * but the manpage for lsb_release seems to indicate that's
 572                  * not guaranteed), and DISTRIB_CODENAME (code name, e.g.
 573                  * "licentious" for the Ubuntu Licentious Lemur release).
 574                  * the lsb_release man page also speaks of the distrib-release
 575                  * file, but Debian doesn't have one, and Ubuntu 7's
 576                  * lsb_release command doesn't look for one.
 577                  *
 578                  * I've seen references to /etc/redhat-release as well.
 579                  *
 580                  * At least on my Ubuntu 7 system, /etc/debian_version
 581                  * doesn't contain anything interesting (just some Debian
 582                  * codenames).
 583                  *
 584                  * See also
 585                  *
 586                  *      http://bugs.python.org/issue1322
 587                  *
 588                  *      http://www.novell.com/coolsolutions/feature/11251.html
 589                  *
 590                  *      http://linuxmafia.com/faq/Admin/release-files.html
 591                  *
 592                  * and the Lib/Platform.py file in recent Python 2.x
 593                  * releases.
 594                  */
 595                 g_string_append_printf(str, "%s %s", name.sysname, name.release);
 596 #endif /* HAVE_OS_X_FRAMEWORKS */
 597         }
 598 #else
 599         g_string_append(str, "an unknown OS");
 600 #endif
 601 }
 602
 603
 604 /*
 605  * Get various library run-time versions, and the OS version, and append
 606  * them to the specified GString.
 607  */
 608 void
 609 get_runtime_version_info(GString *str, void (*additional_info)(GString *))
 610 {
 611 #ifndef _WIN32
 612         gchar *lang;
 613 #endif
 614
 615         g_string_append(str, "on ");
 616
 617         get_os_version_info(str);
 618
 619 #ifndef _WIN32
 620         /* Locale */
 621         if ((lang = getenv ("LANG")) != NULL)
 622                 g_string_append_printf(str, ", with locale %s", lang);
 623         else
 624                 g_string_append(str, ", without locale");
 625 #endif
 626
 627         /* Libpcap */
 628         g_string_append(str, ", ");
 629         get_runtime_pcap_version(str);
 630
 631         /* zlib */
 632 #if defined(HAVE_LIBZ) && !defined(_WIN32)
 633         g_string_append_printf(str, ", with libz %s", zlibVersion());
 634 #endif
 635
 636         /* Additional application-dependent information */
 637         if (additional_info)
 638                 (*additional_info)(str);
 639
 640         g_string_append(str, ".");
 641
 642         /* Compiler info */
 643
 644         /*
 645          * See https://sourceforge.net/apps/mediawiki/predef/index.php?title=Compilers
 646          * information on various defined strings.
 647          *
 648          * GCC's __VERSION__ is a nice text string for humans to
 649          * read.  The page at sourceforge.net largely describes
 650          * numeric #defines that encode the version; if the compiler
 651          * doesn't also offer a nice printable string, we try prettifying
 652          * the number somehow.
 653          */
 654 #if defined(__GNUC__) && defined(__VERSION__)
 655         /*
 656          * Clang and llvm-gcc also define __GNUC__ and __VERSION__;
 657          * distinguish between them.
 658          */
 659 #if defined(__clang__)
 660         g_string_append_printf(str, "\n\nBuilt using clang %s.\n", __VERSION__);
 661 #elif defined(__llvm__)
 662         g_string_append_printf(str, "\n\nBuilt using llvm-gcc %s.\n", __VERSION__);
 663 #else /* boring old GCC */
 664         g_string_append_printf(str, "\n\nBuilt using gcc %s.\n", __VERSION__);
 665 #endif /* llvm */
 666 #elif defined(__HP_aCC)
 667         g_string_append_printf(str, "\n\nBuilt using HP aCC %d.\n", __HP_aCC);
 668 #elif defined(__xlC__)
 669         g_string_append_printf(str, "\n\nBuilt using IBM XL C %d.%d\n",
 670             (__xlC__ >> 8) & 0xFF, __xlC__ & 0xFF);
 671 #ifdef __IBMC__
 672         if ((__IBMC__ % 10) != 0)
 673                 g_string_append_printf(str, " patch %d", __IBMC__ % 10);
 674 #endif /* __IBMC__ */
 675         g_string_append_printf(str, "\n");
 676 #elif defined(__INTEL_COMPILER)
 677         g_string_append_printf(str, "\n\nBuilt using Intel C %d.%d",
 678             __INTEL_COMPILER / 100, (__INTEL_COMPILER / 10) % 10);
 679         if ((__INTEL_COMPILER % 10) != 0)
 680                 g_string_append_printf(str, " patch %d", __INTEL_COMPILER % 10);
 681 #ifdef __INTEL_COMPILER_BUILD_DATE
 682         g_string_sprinta(str, ", compiler built %04d-%02d-%02d",
 683             __INTEL_COMPILER_BUILD_DATE / 10000,
 684             (__INTEL_COMPILER_BUILD_DATE / 100) % 100,
 685             __INTEL_COMPILER_BUILD_DATE % 100);
 686 #endif /* __INTEL_COMPILER_BUILD_DATE */
 687         g_string_append_printf(str, "\n");
 688 #elif defined(_MSC_FULL_VER)
 689 # if _MSC_FULL_VER > 99999999
 690         g_string_append_printf(str, "\n\nBuilt using Microsoft Visual C++ %d.%d",
 691                                (_MSC_FULL_VER / 10000000) - 6,
 692                                (_MSC_FULL_VER / 100000) % 100);
 693 #  if (_MSC_FULL_VER % 100000) != 0
 694         g_string_append_printf(str, " build %d",
 695                                _MSC_FULL_VER % 100000);
 696 #  endif
 697 # else
 698         g_string_append_printf(str, "\n\nBuilt using Microsoft Visual C++ %d.%d",
 699                                (_MSC_FULL_VER / 1000000) - 6,
 700                                (_MSC_FULL_VER / 10000) % 100);
 701 #  if (_MSC_FULL_VER % 10000) != 0
 702         g_string_append_printf(str, " build %d",
 703                                _MSC_FULL_VER % 10000);
 704 #  endif
 705 # endif
 706         g_string_append_printf(str, "\n");
 707 #elif defined(_MSC_VER)
 708         /* _MSC_FULL_VER not defined, but _MSC_VER defined */
 709         g_string_append_printf(str, "\n\nBuilt using Microsoft Visual C++ %d.%d\n",
 710             (_MSC_VER / 100) - 6, _MSC_VER % 100);
 711 #elif defined(__SUNPRO_C)
 712         g_string_append_printf(str, "\n\nBuilt using Sun C %d.%d",
 713             (__SUNPRO_C >> 8) & 0xF, (__SUNPRO_C >> 4) & 0xF);
 714         if ((__SUNPRO_C & 0xF) != 0)
 715                 g_string_append_printf(str, " patch %d", __SUNPRO_C & 0xF);
 716         g_string_append_printf(str, "\n");
 717 #endif
 718
 719         end_string(str);
 720 }
 721
 722 /*
 723  * Get copyright information.
 724  */
 725 const char *
 726 get_copyright_info(void)
 727 {
 728         return
 729 "Copyright 1998-2012 Gerald Combs <gerald@wireshark.org> and contributors.\n"
 730 "This is free software; see the source for copying conditions. There is NO\n"
 731 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n";
 732 }
 733
 734 #if defined(_WIN32)
 735 /*
 736  * Get the major OS version.
 737  */
 738 /* XXX - Should this return the minor version as well, e.g. 0x00050002? */
 739 guint32
 740 get_os_major_version()
 741 {
 742         OSVERSIONINFO info;
 743         info.dwOSVersionInfoSize = sizeof info;
 744         if (GetVersionEx(&info)) {
 745                 return info.dwMajorVersion;
 746         }
 747         return 0;
 748 }
 749 #endif
 750
 751 /*
 752  * Editor modelines
 753  *
 754  * Local Variables:
 755  * c-basic-offset: 8
 756  * tab-width: 8
 757  * indent-tabs-mode: t
 758  * End:
 759  *
 760  * ex: set shiftwidth=8 tabstop=8 noexpandtab:
 761  * :indentSize=8:tabSize=8:noTabs=false:
 762  */