src/common/utilscmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        utilscmn.cpp
   3 // Purpose:     Miscellaneous utility functions and classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     29/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "utils.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/defs.h"
  25 #include "wx/utils.h"
  26 #include "wx/window.h"
  27 #include "wx/menu.h"
  28 #include "wx/frame.h"
  29 #include "wx/msgdlg.h"
  30 #include "wx/textdlg.h"
  31 #endif
  32
  33 #include "wx/ioswrap.h"
  34
  35 #if wxUSE_IOSTREAMH
  36     #include <fstream.h>
  37 #else
  38     #include <fstream>
  39 #endif
  40
  41 #include <ctype.h>
  42 #include <stdio.h>
  43 #include <stdlib.h>
  44 #include <string.h>
  45 #if !defined(__WATCOMC__)
  46     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
  47         #include <errno.h>
  48     #endif
  49 #endif
  50 #include <time.h>
  51 #ifndef __MWERKS__
  52 #include <sys/types.h>
  53 #include <sys/stat.h>
  54 #endif
  55
  56 #ifdef __SALFORDC__
  57 #include <clib.h>
  58 #endif
  59
  60 // Pattern matching code.
  61 // Yes, this path is deliberate (for Borland compilation)
  62 #ifdef wx_mac /* MATTHEW: [5] Mac doesn't like paths with "/" */
  63 #include "glob.inc"
  64 #else
  65 #include "../common/glob.inc"
  66 #endif
  67
  68 #ifdef __WXMSW__
  69 #include "windows.h"
  70 #endif
  71
  72 #define _MAXPATHLEN 500
  73
  74 extern char *wxBuffer;
  75
  76 // ----------------------------------------------------------------------------
  77 // private functions
  78 // ----------------------------------------------------------------------------
  79
  80 static wxWindow *wxFindWindowByLabel1(const wxString& title, wxWindow * parent);
  81 static wxWindow *wxFindWindowByName1 (const wxString& title, wxWindow * parent);
  82
  83 #ifdef __WXMAC__
  84 int strcasecmp(const char *str_1, const char *str_2)
  85 {
  86   register char c1, c2;
  87   do {
  88     c1 = tolower(*str_1++);
  89     c2 = tolower(*str_2++);
  90   } while ( c1 && (c1 == c2) );
  91
  92   return c1 - c2;
  93 }
  94
  95 int strncasecmp(const char *str_1, const char *str_2, size_t maxchar)
  96 {
  97
  98   register char c1, c2;
  99   while( maxchar--)
 100   {
 101     c1 = tolower(*str_1++);
 102     c2 = tolower(*str_2++);
 103
 104     if ( !c1 || c1!=c2 )
 105                   return c1 - c2;
 106
 107   } ;
 108
 109   return 0 ;
 110
 111 }
 112 #endif
 113 #ifdef __VMS__
 114 // we have no strI functions under VMS, therefore I have implemented
 115 // an inefficient but portable version: convert copies of strings to lowercase
 116 // and then use the normal comparison
 117 static void myLowerString(char *s)
 118 {
 119   while(*s){
 120     if(isalpha(*s)) *s = (char)tolower(*s);
 121     s++;
 122   }
 123 }
 124
 125 int strcasecmp(const char *str_1, const char *str_2)
 126 {
 127   char *temp1 = new char[strlen(str_1)+1];
 128   char *temp2 = new char[strlen(str_2)+1];
 129   strcpy(temp1,str_1);
 130   strcpy(temp2,str_2);
 131   myLowerString(temp1);
 132   myLowerString(temp2);
 133
 134   int result = strcmp(temp1,temp2);
 135   delete[] temp1;
 136   delete[] temp2;
 137
 138   return(result);
 139 }
 140
 141 int strncasecmp(const char *str_1, const char *str_2, size_t maxchar)
 142 {
 143   char *temp1 = new char[strlen(str_1)+1];
 144   char *temp2 = new char[strlen(str_2)+1];
 145   strcpy(temp1,str_1);
 146   strcpy(temp2,str_2);
 147   myLowerString(temp1);
 148   myLowerString(temp2);
 149
 150   int result = strncmp(temp1,temp2,maxchar);
 151   delete[] temp1;
 152   delete[] temp2;
 153
 154   return(result);
 155 }
 156 #endif
 157
 158 #ifdef __WINDOWS__
 159
 160 #ifndef __GNUWIN32__
 161 #ifndef __MWERKS__
 162 #define strcasecmp stricmp
 163 #define strncasecmp strnicmp
 164 #else
 165 #define strcasecmp _stricmp
 166 #define strncasecmp _strnicmp
 167 #endif
 168 #endif
 169
 170 #else
 171 // This declaration is missing in SunOS!
 172 // (Yes, I know it is NOT ANSI-C but its in BSD libc)
 173 #if defined(__xlC) || defined(__AIX__) || defined(__GNUG__)
 174 extern "C"
 175 {
 176   int strcasecmp (const char *, const char *);
 177   int strncasecmp (const char *, const char *, size_t);
 178 }
 179 #endif
 180 #endif  /* __WXMSW__ */
 181
 182
 183 char *
 184 copystring (const char *s)
 185 {
 186   if (s == NULL) s = "";
 187   size_t len = strlen (s) + 1;
 188
 189   char *news = new char[len];
 190   memcpy (news, s, len);    // Should be the fastest
 191
 192   return news;
 193 }
 194
 195 // Id generation
 196 static long wxCurrentId = 100;
 197
 198 long
 199 wxNewId (void)
 200 {
 201   return wxCurrentId++;
 202 }
 203
 204 long
 205 wxGetCurrentId(void) { return wxCurrentId; }
 206
 207 void
 208 wxRegisterId (long id)
 209 {
 210   if (id >= wxCurrentId)
 211     wxCurrentId = id + 1;
 212 }
 213
 214 void
 215 StringToFloat (char *s, float *number)
 216 {
 217   if (s && *s && number)
 218     *number = (float) strtod (s, (char **) NULL);
 219 }
 220
 221 void
 222 StringToDouble (char *s, double *number)
 223 {
 224   if (s && *s && number)
 225     *number = strtod (s, (char **) NULL);
 226 }
 227
 228 char *
 229 FloatToString (float number, const char *fmt)
 230 {
 231   static char buf[256];
 232
 233 //  sprintf (buf, "%.2f", number);
 234   sprintf (buf, fmt, number);
 235   return buf;
 236 }
 237
 238 char *
 239 DoubleToString (double number, const char *fmt)
 240 {
 241   static char buf[256];
 242
 243   sprintf (buf, fmt, number);
 244   return buf;
 245 }
 246
 247 void
 248 StringToInt (char *s, int *number)
 249 {
 250   if (s && *s && number)
 251     *number = (int) strtol (s, (char **) NULL, 10);
 252 }
 253
 254 void
 255 StringToLong (char *s, long *number)
 256 {
 257   if (s && *s && number)
 258     *number = strtol (s, (char **) NULL, 10);
 259 }
 260
 261 char *
 262 IntToString (int number)
 263 {
 264   static char buf[20];
 265
 266   sprintf (buf, "%d", number);
 267   return buf;
 268 }
 269
 270 char *
 271 LongToString (long number)
 272 {
 273   static char buf[20];
 274
 275   sprintf (buf, "%ld", number);
 276   return buf;
 277 }
 278
 279 // Array used in DecToHex conversion routine.
 280 static char hexArray[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B',
 281   'C', 'D', 'E', 'F' };
 282
 283 // Convert 2-digit hex number to decimal
 284 int wxHexToDec(const wxString& buf)
 285 {
 286   int firstDigit, secondDigit;
 287
 288   if (buf.GetChar(0) >= 'A')
 289     firstDigit = buf.GetChar(0) - 'A' + 10;
 290   else
 291     firstDigit = buf.GetChar(0) - '0';
 292
 293   if (buf.GetChar(1) >= 'A')
 294     secondDigit = buf.GetChar(1) - 'A' + 10;
 295   else
 296     secondDigit = buf.GetChar(1) - '0';
 297
 298   return firstDigit * 16 + secondDigit;
 299 }
 300
 301 // Convert decimal integer to 2-character hex string
 302 void wxDecToHex(int dec, char *buf)
 303 {
 304   int firstDigit = (int)(dec/16.0);
 305   int secondDigit = (int)(dec - (firstDigit*16.0));
 306   buf[0] = hexArray[firstDigit];
 307   buf[1] = hexArray[secondDigit];
 308   buf[2] = 0;
 309 }
 310
 311 // Convert decimal integer to 2-character hex string
 312 wxString wxDecToHex(int dec)
 313 {
 314     char buf[3];
 315     wxDecToHex(dec, buf);
 316     return wxString(buf);
 317 }
 318
 319 // Match a string INDEPENDENT OF CASE
 320 bool
 321 StringMatch (char *str1, char *str2, bool subString, bool exact)
 322 {
 323   if (str1 == NULL || str2 == NULL)
 324     return FALSE;
 325   if (str1 == str2)
 326     return TRUE;
 327
 328   if (subString)
 329     {
 330       int len1 = strlen (str1);
 331       int len2 = strlen (str2);
 332       int i;
 333
 334       // Search for str1 in str2
 335       // Slow .... but acceptable for short strings
 336       for (i = 0; i <= len2 - len1; i++)
 337         {
 338           if (strncasecmp (str1, str2 + i, len1) == 0)
 339             return TRUE;
 340         }
 341     }
 342   else if (exact)
 343     {
 344       if (strcasecmp (str1, str2) == 0)
 345         return TRUE;
 346     }
 347   else
 348     {
 349       int len1 = strlen (str1);
 350       int len2 = strlen (str2);
 351
 352       if (strncasecmp (str1, str2, wxMin (len1, len2)) == 0)
 353         return TRUE;
 354     }
 355
 356   return FALSE;
 357 }
 358
 359 // Return the current date/time
 360 // [volatile]
 361 wxString wxNow( void )
 362 {
 363   time_t now = time((time_t *) NULL);
 364   char *date = ctime(&now);
 365   date[24] = '\0';
 366   return wxString(date);
 367 }
 368
 369 /*
 370  * Strip out any menu codes
 371  */
 372
 373 char *wxStripMenuCodes (char *in, char *out)
 374 {
 375   if (!in)
 376     return (char *) NULL;
 377
 378   if (!out)
 379     out = copystring(in);
 380
 381   char *tmpOut = out;
 382
 383   while (*in)
 384     {
 385       if (*in == '&')
 386         {
 387           // Check && -> &, &x -> x
 388           if (*++in == '&')
 389             *out++ = *in++;
 390         }
 391       else if (*in == '\t')
 392         {
 393           // Remove all stuff after \t in X mode, and let the stuff as is
 394           // in Windows mode.
 395           // Accelerators are handled in wx_item.cc for Motif, and are not
 396           // YET supported in XView
 397           break;
 398         }
 399       else
 400         *out++ = *in++;
 401     }                                // while
 402
 403   *out = '\0';
 404
 405   return tmpOut;
 406 }
 407
 408 wxString wxStripMenuCodes(const wxString& str)
 409 {
 410     char *buf = new char[str.Length() + 1];
 411     wxStripMenuCodes((char*) (const char*) str, buf);
 412     wxString str1(buf);
 413     delete[] buf;
 414     return str1;
 415 }
 416
 417 /*
 418  * Window search functions
 419  *
 420  */
 421
 422 /*
 423  * If parent is non-NULL, look through children for a label or title
 424  * matching the specified string. If NULL, look through all top-level windows.
 425  *
 426  */
 427
 428 wxWindow *
 429 wxFindWindowByLabel (const wxString& title, wxWindow * parent)
 430 {
 431     if (parent)
 432     {
 433         return wxFindWindowByLabel1(title, parent);
 434     }
 435     else
 436     {
 437         for ( wxWindowList::Node * node = wxTopLevelWindows.GetFirst();
 438               node;
 439               node = node->GetNext() )
 440         {
 441             wxWindow *win = node->GetData();
 442             wxWindow *retwin = wxFindWindowByLabel1 (title, win);
 443             if (retwin)
 444                 return retwin;
 445         }                        // for()
 446
 447     }
 448     return (wxWindow *) NULL;
 449 }
 450
 451 // Recursive
 452 static wxWindow *
 453 wxFindWindowByLabel1 (const wxString& title, wxWindow * parent)
 454 {
 455     if (parent)
 456     {
 457         if (parent->GetLabel() == title)
 458             return parent;
 459     }
 460
 461     if (parent)
 462     {
 463         for ( wxNode * node = parent->GetChildren().GetFirst();
 464               node;
 465               node = node->GetNext() )
 466         {
 467             wxWindow *win = (wxWindow *)node->GetData();
 468             wxWindow *retwin = wxFindWindowByLabel1 (title, win);
 469             if (retwin)
 470                 return retwin;
 471         }
 472
 473     }
 474
 475     return (wxWindow *) NULL;                        // Not found
 476 }
 477
 478 /*
 479  * If parent is non-NULL, look through children for a name
 480  * matching the specified string. If NULL, look through all top-level windows.
 481  *
 482  */
 483
 484 wxWindow *
 485 wxFindWindowByName (const wxString& title, wxWindow * parent)
 486 {
 487     if (parent)
 488     {
 489         return wxFindWindowByName1 (title, parent);
 490     }
 491     else
 492     {
 493         for ( wxWindowList::Node * node = wxTopLevelWindows.GetFirst();
 494               node;
 495               node = node->GetNext() )
 496         {
 497             wxWindow *win = node->GetData();
 498             wxWindow *retwin = wxFindWindowByName1 (title, win);
 499             if (retwin)
 500                 return retwin;
 501         }
 502
 503     }
 504
 505     // Failed? Try by label instead.
 506     return wxFindWindowByLabel(title, parent);
 507 }
 508
 509 // Recursive
 510 static wxWindow *
 511 wxFindWindowByName1 (const wxString& title, wxWindow * parent)
 512 {
 513   if (parent)
 514     {
 515             if ( parent->GetName() == title )
 516                         return parent;
 517     }
 518
 519   if (parent)
 520     {
 521       for (wxNode * node = parent->GetChildren().First (); node; node = node->Next ())
 522         {
 523           wxWindow *win = (wxWindow *) node->Data ();
 524           wxWindow *retwin = wxFindWindowByName1 (title, win);
 525           if (retwin)
 526             return retwin;
 527         }                        // for()
 528
 529     }
 530
 531   return (wxWindow *) NULL;                        // Not found
 532
 533 }
 534
 535 // Returns menu item id or -1 if none.
 536 int
 537 wxFindMenuItemId (wxFrame * frame, const wxString& menuString, const wxString& itemString)
 538 {
 539   wxMenuBar *menuBar = frame->GetMenuBar ();
 540   if (!menuBar)
 541     return -1;
 542   return menuBar->FindMenuItem (menuString, itemString);
 543 }
 544
 545 /*
 546 On Fri, 21 Jul 1995, Paul Craven wrote:
 547
 548 > Is there a way to find the path of running program's executable? I can get
 549 > my home directory, and the current directory, but I don't know how to get the
 550 > executable directory.
 551 >
 552
 553 The code below (warty as it is), does what you want on most Unix,
 554 DOS, and Mac platforms (it's from the ALS Prolog main).
 555
 556 || Ken Bowen      Applied Logic Systems, Inc.         PO Box 180,
 557 ||====            Voice:  +1 (617)965-9191            Newton Centre,
 558 ||                FAX:    +1 (617)965-1636            MA  02159  USA
 559                   Email:  ken@als.com        WWW: http://www.als.com
 560 ------------------------------------------------------------------------
 561 */
 562
 563 // This code is commented out but it may be integrated with wxWin at
 564 // a later date, after testing. Thanks Ken!
 565 #if 0
 566
 567 /*--------------------------------------------------------------------*
 568  | whereami is given a filename f in the form:  whereami(argv[0])
 569  | It returns the directory in which the executable file (containing
 570  | this code [main.c] ) may be found.  A dot will be returned to indicate
 571  | the current directory.
 572  *--------------------------------------------------------------------*/
 573
 574 static void
 575 whereami(name)
 576     char *name;
 577 {
 578     register char *cutoff = NULL;        /* stifle -Wall */
 579     register char *s;
 580     register char *t;
 581     int   cc;
 582     char  ebuf[4096];
 583
 584     /*
 585      * See if the file is accessible either through the current directory
 586      * or through an absolute path.
 587      */
 588
 589     if (access(name, R_OK) == 0) {
 590
 591         /*-------------------------------------------------------------*
 592          * The file was accessible without any other work.  But the current
 593          * working directory might change on us, so if it was accessible
 594          * through the cwd, then we should get it for later accesses.
 595          *-------------------------------------------------------------*/
 596
 597         t = imagedir;
 598         if (!absolute_pathname(name)) {
 599 #if defined(DOS) || defined(__WIN32__)
 600             int   drive;
 601             char *newrbuf;
 602
 603             newrbuf = imagedir;
 604 #ifndef __DJGPP__
 605             if (*(name + 1) == ':') {
 606                 if (*name >= 'a' && *name <= 'z')
 607                     drive = (int) (*name - 'a' + 1);
 608                 else
 609                     drive = (int) (*name - 'A' + 1);
 610                 *newrbuf++ = *name;
 611                 *newrbuf++ = *(name + 1);
 612                 *newrbuf++ = DIR_SEPARATOR;
 613             }
 614             else {
 615                 drive = 0;
 616                 *newrbuf++ = DIR_SEPARATOR;
 617             }
 618             if (getcwd(newrbuf, drive) == 0) {        /* } */
 619 #else
 620             if (getcwd(newrbuf, 1024) == 0) {        /* } */
 621 #endif
 622 #else  /* DOS */
 623 #ifdef HAVE_GETWD
 624             if (getwd(imagedir) == 0) {                /* } */
 625 #else  /* !HAVE_GETWD */
 626             if (getcwd(imagedir, 1024) == 0) {
 627 #endif /* !HAVE_GETWD */
 628 #endif /* DOS */
 629                 fatal_error(FE_GETCWD, 0);
 630             }
 631             for (; *t; t++)        /* Set t to end of buffer */
 632                 ;
 633             if (*(t - 1) == DIR_SEPARATOR)        /* leave slash if already
 634                                                  * last char
 635                                                  */
 636                 cutoff = t - 1;
 637             else {
 638                 cutoff = t;        /* otherwise put one in */
 639                 *t++ = DIR_SEPARATOR;
 640             }
 641         }
 642 #if (!defined(__MAC__) && !defined(__DJGPP__) && !defined(__GO32__) && !defined(__WIN32__))
 643         else
 644                 (*t++ = DIR_SEPARATOR);
 645 #endif
 646
 647         /*-------------------------------------------------------------*
 648          * Copy the rest of the string and set the cutoff if it was not
 649          * already set.  If the first character of name is a slash, cutoff
 650          * is not presently set but will be on the first iteration of the
 651          * loop below.
 652          *-------------------------------------------------------------*/
 653
 654         for ((*name == DIR_SEPARATOR ? (s = name+1) : (s = name));;) {
 655             if (*s == DIR_SEPARATOR)
 656                         cutoff = t;
 657             if (!(*t++ = *s++))
 658                         break;
 659         }
 660
 661     }
 662     else {
 663
 664         /*-------------------------------------------------------------*
 665          * Get the path list from the environment.  If the path list is
 666          * inaccessible for any reason, leave with fatal error.
 667          *-------------------------------------------------------------*/
 668
 669 #ifdef __MAC__
 670         if ((s = getenv("Commands")) == (char *) 0)
 671 #else
 672         if ((s = getenv("PATH")) == (char *) 0)
 673 #endif
 674             fatal_error(FE_PATH, 0);
 675
 676         /*
 677          * Copy path list into ebuf and set the source pointer to the
 678          * beginning of this buffer.
 679          */
 680
 681         strcpy(ebuf, s);
 682         s = ebuf;
 683
 684         for (;;) {
 685             t = imagedir;
 686             while (*s && *s != PATH_SEPARATOR)
 687                 *t++ = *s++;
 688             if (t > imagedir && *(t - 1) == DIR_SEPARATOR)
 689                 ;                /* do nothing -- slash already is in place */
 690             else
 691                 *t++ = DIR_SEPARATOR;        /* put in the slash */
 692             cutoff = t - 1;        /* set cutoff */
 693             strcpy(t, name);
 694             if (access(imagedir, R_OK) == 0)
 695                 break;
 696
 697             if (*s)
 698                 s++;                /* advance source pointer */
 699             else
 700                 fatal_error(FE_INFND, 0);
 701         }
 702
 703     }
 704
 705     /*-------------------------------------------------------------*
 706      | At this point the full pathname should exist in imagedir and
 707      | cutoff should be set to the final slash.  We must now determine
 708      | whether the file name is a symbolic link or not and chase it down
 709      | if it is.  Note that we reuse ebuf for getting the link.
 710      *-------------------------------------------------------------*/
 711
 712 #ifdef HAVE_SYMLINK
 713     while ((cc = readlink(imagedir, ebuf, 512)) != -1) {
 714         ebuf[cc] = 0;
 715         s = ebuf;
 716         if (*s == DIR_SEPARATOR) {
 717             t = imagedir;
 718         }
 719         else {
 720             t = cutoff + 1;
 721         }
 722         for (;;) {
 723             if (*s == DIR_SEPARATOR)
 724                 cutoff = t;        /* mark the last slash seen */
 725             if (!(*t++ = *s++))        /* copy the character */
 726                 break;
 727         }
 728     }
 729
 730 #endif /* HAVE_SYMLINK */
 731
 732     strcpy(imagename, cutoff + 1);        /* keep the image name */
 733     *(cutoff + 1) = 0;                /* chop off the filename part */
 734 }
 735
 736 #endif
 737
 738
 739 // Yield to other apps/messages and disable user input
 740 bool wxSafeYield(wxWindow *win)
 741 {
 742     wxWindowList::Node *node;
 743     for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() )
 744     {
 745         node->GetData()->Enable(FALSE);
 746     }
 747
 748     // always enable ourselves
 749     if ( win )
 750         win->Enable(TRUE);
 751     bool rc = wxYield();
 752
 753     for ( node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() )
 754     {
 755         node->GetData()->Enable(TRUE);
 756     }
 757
 758     return rc;
 759 }
 760
 761 /*
 762  * N.B. these convenience functions must be separate from msgdlgg.cpp, textdlgg.cpp
 763  * since otherwise the generic code may be pulled in unnecessarily.
 764  */
 765
 766 int wxMessageBox(const wxString& message, const wxString& caption, long style,
 767                  wxWindow *parent, int WXUNUSED(x), int WXUNUSED(y) )
 768 {
 769     wxMessageDialog dialog(parent, message, caption, style);
 770
 771     int ans = dialog.ShowModal();
 772     switch ( ans )
 773     {
 774         case wxID_OK:
 775             return wxOK;
 776             break;
 777         case wxID_YES:
 778             return wxYES;
 779             break;
 780         case wxID_NO:
 781             return wxNO;
 782             break;
 783         default:
 784         case wxID_CANCEL:
 785             return wxCANCEL;
 786             break;
 787     }
 788     return ans;
 789 }
 790
 791 wxString wxGetTextFromUser(const wxString& message, const wxString& caption,
 792                         const wxString& defaultValue, wxWindow *parent,
 793                         int x, int y, bool WXUNUSED(centre) )
 794 {
 795     wxTextEntryDialog dialog(parent, message, caption, defaultValue, wxOK|wxCANCEL, wxPoint(x, y));
 796     if (dialog.ShowModal() == wxID_OK)
 797         return dialog.GetValue();
 798     else
 799         return wxString("");
 800 }
 801
 802 #ifdef __MWERKS__
 803 char *strdup(const char *s)
 804 {
 805         return strcpy( (char*) malloc( strlen( s ) + 1 ) , s ) ;
 806 }
 807
 808 int isascii( int c )
 809 {
 810         return ( c >= 0 && c < 128 ) ;
 811 }
 812 #endif
 813
 814 // ----------------------------------------------------------------------------
 815 // network and user id functions
 816 // ----------------------------------------------------------------------------
 817
 818 // Get Full RFC822 style email address
 819 bool wxGetEmailAddress(char *address, int maxSize)
 820 {
 821     wxString email = wxGetEmailAddress();
 822     if ( !email )
 823         return FALSE;
 824
 825     strncpy(address, email, maxSize - 1);
 826     address[maxSize - 1] = '\0';
 827
 828     return TRUE;
 829 }
 830
 831 wxString wxGetEmailAddress()
 832 {
 833     wxString email;
 834
 835     wxString host = wxGetHostName();
 836     if ( !!host )
 837     {
 838         wxString user = wxGetUserId();
 839         if ( !!user )
 840         {
 841             wxString email(user);
 842             email << '@' << host;
 843         }
 844     }
 845
 846     return email;
 847 }
 848
 849 wxString wxGetUserId()
 850 {
 851     static const int maxLoginLen = 256; // FIXME arbitrary number
 852
 853     wxString buf;
 854     bool ok = wxGetUserId(buf.GetWriteBuf(maxLoginLen), maxLoginLen);
 855     buf.UngetWriteBuf();
 856
 857     if ( !ok )
 858         buf.Empty();
 859
 860     return buf;
 861 }
 862
 863 wxString wxGetUserName()
 864 {
 865     static const int maxUserNameLen = 1024; // FIXME arbitrary number
 866
 867     wxString buf;
 868     bool ok = wxGetUserName(buf.GetWriteBuf(maxUserNameLen), maxUserNameLen);
 869     buf.UngetWriteBuf();
 870
 871     if ( !ok )
 872         buf.Empty();
 873
 874     return buf;
 875 }
 876
 877 wxString wxGetHostName()
 878 {
 879     static const size_t hostnameSize = 257;
 880
 881     wxString buf;
 882     bool ok = wxGetHostName(buf.GetWriteBuf(hostnameSize), hostnameSize);
 883
 884     buf.UngetWriteBuf();
 885
 886     if ( !ok )
 887         buf.Empty();
 888
 889     return buf;
 890 }
 891