1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917
|
/* main.c */
/* Copyright 1995 by Steve Kirkendall */
#include "elvis.h"
#ifdef FEATURE_RCSID
char id_main[] = "$Id: main.c,v 2.74 2003/10/18 04:47:18 steve Exp $";
#endif
#include <time.h> /* for time(), used to seed the random number generator */
#if USE_PROTOTYPES
static void usage(char *hint);
static void guiusage(void);
static int parseflags(int argc, char **argv);
static int choosegui(int argc, char **argv);
static void doexrc(void);
static void buildargs(int argc, char **argv);
static void startfirst(void);
static void init(int argc, char **argv);
void term(void);
int main(int argc, char **argv);
#endif
/* This array contains pointers to all known GUIs. Ideally, they should be
* sorted so that fancy/rarely-available GUIs appear near the front of the
* list, and basic/universal GUIs appear near the end.
*/
static GUI *allguis[] =
{
#ifdef GUI_WIN32
&guiwin32
#endif
#ifdef GUI_X11
&guix11,
#endif
#ifdef GUI_GNOME
&guignome,
#endif
#ifdef GUI_PM
&guipm,
#endif
#ifdef GUI_TERMCAP
&guitermcap,
#endif
#ifdef GUI_VIO
&guivio,
#endif
#ifdef GUI_CURSES
&guicurses,
#endif
#ifdef GUI_BIOS
&guibios,
#endif
#ifdef GUI_OPEN
&guiopen,
&guiscript,
&guiquit
#endif
};
/* These flags are set according to command-line flags */
static char *initialcommand;
static char *initialtag;
static ELVBOOL initialall;
GUI *chosengui;
#ifdef FEATURE_STDIN
FILE *origstdin; /* where to read "-" from */
ELVBOOL stdin_not_kbd; /* if ElvTrue, then keyboard input should be adjusted */
#endif
/* Give a usage message, and then exit */
static void usage(hint)
char *hint; /* an error message */
{
int i;
char guinames[80];
msg(MSG_INFO, "Usage: elvis [flags] [files]...");
msg(MSG_INFO, "Flags: -V Verbose -- give more status information");
msg(MSG_INFO, " -a Create a separate window for each file");
msg(MSG_INFO, " -r Restart a session after a crash");
msg(MSG_INFO, " -R Mark new buffers as \"readonly\"");
msg(MSG_INFO, " -b Mark new buffers as \"readeol=binary\"");
msg(MSG_INFO, " -e Start in ex mode instead of vi mode");
msg(MSG_INFO, " -i Start in input mode instead of vi mode");
msg(MSG_INFO, " -S Set security=safer, to protect against Trojan horses");
msg(MSG_INFO, " -SS Set security=restricted, for maximum security");
msg(MSG_INFO, " -w lines Set scroll amount to \"lines\"");
msg(MSG_INFO, " -f session Use \"session\" as the session file");
msg(MSG_INFO, " -G gui Use the \"gui\" user interface \\(see below\\)");
msg(MSG_INFO, " -c command Execute \"command\" after loading first file");
msg(MSG_INFO, " -s Read a script from stdin and execute it");
msg(MSG_INFO, " -t tag Perform a tag search");
msg(MSG_INFO, " -o logfile Send messages to logfile instead of stderr");
msg(MSG_INFO, " -B blksize Use blocks of size \"blksize\"");
msg(MSG_INFO, " +command Archaic form of \"-c command\" flag");
msg(MSG_INFO, " - Archaic form of \"-s\" flag");
guinames[0] = '\0';
for (i = 0; i < QTY(allguis); i++)
{
/* space between names */
if (i > 0)
strcat(guinames, " ");
/* concatenate the gui names into a list */
switch ((*allguis[i]->test)())
{
case 0:
sprintf(guinames + strlen(guinames), "(%s)", allguis[i]->name);
break;
case 2:
sprintf(guinames + strlen(guinames), "%s?", allguis[i]->name);
break;
default:
strcat(guinames, allguis[i]->name);
}
}
msg(MSG_INFO, "[s]User interfaces: $1", guinames);
msg(MSG_INFO, "For more information about user interfaces, give the command 'elvis -G?'");
msg(MSG_INFO, "[s]Report bugs to $1", "kirkenda@cs.pdx.edu");
if (hint)
{
msg(MSG_INFO, hint);
}
if (chosengui)
(*chosengui->term)();
exit(0);
}
static void guiusage()
{
int i;
ELVBOOL found;
char *msgfmt;
msg(MSG_INFO, "user interfaces:");
for (i = 0, found = ElvFalse; i < QTY(allguis); i++)
{
switch ((*allguis[i]->test)())
{
case 0:
msgfmt = "[ss] -G ($1<<12) $2 \\(UNAVAILABLE\\)";
break;
case 2:
msgfmt = "[ss] -G ($1<<12) $2 \\(MAYBE\\)";
break;
default:
if (found)
msgfmt = "[ss] -G ($1<<12) $2";
else
msgfmt = "[ss] -G ($1<<12) $2 \\(DEFAULT\\)";
found = ElvTrue;
}
msg(MSG_INFO, msgfmt, allguis[i]->name, allguis[i]->desc);
if (allguis[i]->usage)
(*allguis[i]->usage)();
}
if (chosengui)
(*chosengui->term)();
exit(0);
}
/* parse command-line flags. Leave global variables set to reflect the
* flags discovered. Upon return, any arguments handled here should be
* deleted from argv[]; the return value is the new argc value.
*/
static int parseflags(argc, argv)
int argc; /* number of command-line arguments */
char **argv; /* values of command-line arguments */
{
int i, j, del;
long size = 0;
/* copy argv[0] into an option so we can access it in "elvis.ini" */
o_program = toCHAR(argv[0]);
/* for each argument... */
for (i = 1; i < argc && strcmp(argv[i], "--"); i++)
{
/* for now, assume we'll be deleting 0 arguments */
del = 0;
/* recognize any normal flags */
if (argv[i][0] == '-')
{
/* the "-" flag has already been processed */
if (!argv[i][1])
del = 1;
for (j = 1; j != 0 && argv[i][j]; j++)
{
switch (argv[i][j])
{
case 'a':
initialall = ElvTrue;
del = 1;
break;
case 'r':
o_recovering = ElvTrue;
del = 1;
break;
case 'R':
o_defaultreadonly = ElvTrue;
del = 1;
break;
case 'V':
case 's':
/* already handled in chosengui() */
del = 1;
break;
case 'f':
if (argv[i][j + 1])
{
o_session = toCHAR(&argv[i][j + 1]);
del = 1;
}
else if (i + 1 < argc)
{
o_session = toCHAR(argv[i + 1]);
del = 2;
i++;
}
else
{
usage("-s requires the name of a session file");
}
j = -1; /* so we stop processing this arg */
break;
case 'o':
if (argv[i][j + 1])
{
msglog(&argv[i][j + 1]);
del = 1;
}
else if (i + 1 < argc)
{
msglog(argv[i + 1]);
del = 2;
i++;
}
else
{
usage("-o requires the name of a log file");
}
j = -1; /* so we stop processing this arg */
break;
case 'G':
usage("only one \"-G gui\" is allowed");
break;
case 'c':
if (argv[i][j + 1])
{
initialcommand = &argv[i][j + 1];
del = 1;
}
else if (i + 1 < argc)
{
initialcommand = argv[i + 1];
del = 2;
i++;
}
else
{
usage("-c requires an initial command");
}
j = -1; /* so we stop processing this arg */
break;
case 't':
if (argv[i][j + 1])
{
initialtag = &argv[i][j + 1];
del = 1;
}
else if (i + 1 < argc)
{
initialtag = argv[i + 1];
del = 2;
i++;
}
else
{
usage("-t requires a tag name");
}
j = -1; /* so we stop processing this arg */
break;
case 'b':
o_binary = ElvTrue;
del = 1;
break;
case 'B':
if (argv[i][j + 1])
{
size = atol(&argv[i][j + 1]);
del = 1;
}
else if (i + 1 < argc)
{
size = atol(argv[i + 1]);
del = 2;
i++;
}
else
{
usage("-B requires a block size for the session file");
}
if (size != 512 && size != 1024
&& size != 2048 && size != 4096
&& size != 8192)
{
usage("bad -B blksize: should be 512, 1024, 2048, 4096, or 8192");
}
j = -1; /* so we stop processing this arg */
o_blksize = size;
break;
case 'e':
case 'i':
o_initialstate = argv[i][j];
del = 1;
break;
case 'S':
if (o_security == 'n' /* normal */)
o_security = 's'; /* safer */
else
o_security = 'r'; /*restricted*/
del = 1;
break;
case 'w':
if (argv[i][j + 1])
{
size = atol(&argv[i][j + 1]);
del = 1;
}
else if (i + 1 < argc)
{
size = atol(argv[i + 1]);
del = 2;
i++;
}
else
{
usage("-w requires a window size");
}
j = -1; /* so we stop processing this arg */
break;
default:
if (del)
{
usage(NULL);
}
j = -1;
}
}
}
else if (argv[i][0] == '+')
{
if (argv[i][1])
{
initialcommand = &argv[i][1];
}
else
{
initialcommand = "$";
}
del = 1;
}
/* delete arguments, if we're supposed to */
if (del > 0)
{
for (j = i + 1 - del; j < argc - del; j++)
{
argv[j] = argv[j + del];
}
i -= del;
argc -= del;
}
}
return argc;
}
/* Choose a GUI. If one was specified via "-G gui", then the o_gui option
* will be set already, and we just need to verify it. Otherwise, we need
* to test each GUI until we find one which tests as being available or
* maybe available. Call the GUI's init() function, and leave the global
* "gui" pointer pointing to the chosen GUI.
*
* Like parseflags(), this function should delete any arguments from argv that
* it uses, and return the new argc value.
*/
static int choosegui(argc, argv)
int argc; /* number of command-line arguments */
char **argv; /* values of command-line arguments */
{
int i, j, val;
/* Initialize "j" just to silence a compiler warning */
j = 0;
/* search for "-G gui" in the command line. Also watch for "-V" */
for (i = 1; i < argc; i++)
{
/* skip non-flag arguments */
if (argv[i][0] != '-')
continue;
/* Stop looking if "--" is encountered */
if (argv[i][1] == '-' && !argv[i][2])
break;
/* is it -G? -V? - or -s? */
if (argv[i][1] == 'G')
{
/* remember the gui name */
if (argv[i][2])
o_gui = toCHAR(&argv[i][2]), j = i + 1;
else if (i + 1 < argc)
o_gui = toCHAR(argv[i + 1]), j = i + 2;
else
usage("-G requires a user interface name");
/* delete the "-G" and its argument */
while (j < argc)
{
argv[i++] = argv[j++];
}
argv[i] = NULL;
argc = i;
}
else if (argv[i][1] == 'V')
{
for (j = 1; argv[i][j] == 'V'; j++)
o_verbose++;
}
else if (argv[i][1] == '\0' || argv[i][1] == 's')
{
/* use the "script" interface */
o_gui = toCHAR("script");
/* don't read any configuration files */
optpreset(o_elvispath, NULL, OPT_HIDE);
}
else if (!strcmp(argv[i], "-version")
|| !strcmp(argv[i], "--version")
|| !strcmp(argv[i], "-v"))
{
msg(MSG_INFO, "[s]elvis $1", VERSION);
#ifdef COPY1
msg(MSG_INFO, "[s]$1", COPY1);
#endif
#ifdef COPY2
msg(MSG_INFO, "[s]$1", COPY2);
#endif
#ifdef COPY3
msg(MSG_INFO, "[s]$1", COPY3);
#endif
#ifdef COPY4
msg(MSG_INFO, "[s]$1", COPY4);
#endif
#ifdef COPY5
msg(MSG_INFO, "[s]$1", COPY5);
#endif
#ifdef PORTEDBY
msg(MSG_INFO, "[s]$1", PORTEDBY);
#endif
exit(0);
}
else if (!strcmp(argv[i], "-help") /* old GNU */
|| !strcmp(argv[i], "--help") /* new GNU */
|| !strcmp(argv[i], "/?") /* DOS */
|| !strcmp(argv[i], "-?")) /* common */
{
usage(NULL);
}
}
#ifdef FEATURE_STDIN
/* Scan the remaining arguments for "-". Some user interfaces need
* to know if stdin is going to be read as a file, so they can find
* an alternate way to read from the keyboard.
*/
for (i = 0; i < argc; i++)
{
if (!strcmp(argv[i], "-"))
{
stdin_not_kbd = ElvTrue;
break;
}
}
#endif
/* if no GUI was explicitly requested, then check for an ELVISGUI
* environment variable.
*/
if (!o_gui)
o_gui = toCHAR(getenv("ELVISGUI"));
/* find the specified GUI, or the first available if none specified */
if (o_gui)
{
/* find the named GUI */
for (i = 0; i < QTY(allguis) && strcmp(allguis[i]->name, tochar8(o_gui)); i++)
{
}
if (i >= QTY(allguis))
{
if (CHARcmp(o_gui, toCHAR("?")))
{
msg(MSG_ERROR, "[s]invalid gui $1", o_gui);
}
guiusage();
}
}
else
{
/* Find the first GUI that is definitely available. While
* searching, also remember the first one that *MIGHT* be
* available, just in case we don't find any that are definitely
* available.
*/
for (i = 0, j = -1; i < QTY(allguis) && (val = (*allguis[i]->test)()) != 1; i++)
{
if (val == 2 && j == -1)
{
j = i;
}
}
/* If we didn't find a definite one, use the maybe one */
if (i >= QTY(allguis))
{
if (j >= 0)
{
i = j;
}
else
{
msg(MSG_ERROR, "no gui available");
exit(0);
}
}
}
/* Call the GUI's init() function */
argc = (*allguis[i]->init)(argc, argv);
if (argc <= 0)
{
exit(0);
}
/* Remember the chosen GUI, but don't set the official "gui" pointer
* yet because we want any initialization error message to go to
* stderr instead of a window. EXCEPTION: If the gui doesn't support
* full screen mode, then we can set "gui" now.
*/
chosengui = allguis[i];
return argc;
}
/* execute the initialization buffer (which may create some windows) */
static void doexrc()
{
#ifdef FEATURE_CALC
BUFFER buf; /* the buffer itself */
MARKBUF top; /* top of the buffer */
MARKBUF bottom; /* bottom of the buffer */
CHAR origsecurity;/* value of the "security" option */
/* If a buffer named "Elvis initialization" exists */
buf = bufpath(o_elvispath, INIT_FILE, toCHAR(INIT_BUF));
if (buf)
{
/* Temporarily make all display-mode options available */
dispinit(ElvTrue);
/* Temporarily turn off security */
origsecurity = o_security;
o_security = 'n';
/* Execute its contents. */
(void)experform((WINDOW)0, marktmp(top, buf, 0),
marktmp(bottom, buf, o_bufchars(buf)));
/* Restore the "safer" option, unless the script turned it on */
if (o_security == 'n' || origsecurity == 'r')
o_security = origsecurity;
/* After this, only the current display-mode's options should
* be available.
*/
dispinit(ElvFalse);
}
#else /* !FEATURE_CALC */
CHAR origsecurity;
char *exinit;
dispinit(ElvTrue);
origsecurity = o_security;
o_security = 'n';
exinit = getenv("EXINIT");
if (!exinit)
exinit = "so! ~/.exrc";
(void)exstring((WINDOW)0, toCHAR(exinit), NULL);
o_security |= origsecurity;
if (o_exrc)
(void)exstring((WINDOW)0, toCHAR("safely source! .exrc"), NULL);
dispinit(ElvFalse);
#endif
}
/* make the "elvis args" buffer contain file names from command line */
static void buildargs(argc, argv)
int argc; /* number of command-line arguments */
char **argv; /* values of command-line arguments */
{
int i;
/* skip "--", if given */
argc--;
argv++;
if (argc > 0 && !strcmp(argv[0], "--"))
{
argc--;
argv++;
}
/* Copy each argument to the args list. For some operating systems,
* we'll be expanding wildcards in each argument as we do this.
*/
for (argnext = i = 0; i < argc; i++)
{
(void)exaddfilearg(&arglist, &argnext, argv[i], OSFILENAMERULES);
}
/* if nothing read was added, then still allocate something */
if (!arglist)
arglist = (char **)safealloc(1, sizeof(char *));
/* reset the "next" pointer */
argnext = 0;
}
/* start first file */
static void startfirst()
{
BUFFER buf;
/* If "Elvis args" is empty */
if (!arglist[0])
{
/* Create an anonymous buffer and a window for it */
buf = bufalloc(NULL, 0, ElvFalse);
assert(buf);
(void)(*gui->creategw)(tochar8(o_bufname(buf)), "");
}
else
{
/* Load buffers and make windows for either just the first
* argument, or as many of the arguments as possible.
*/
assert(argnext == 0);
do
{
/* Create a buffer & window the first file */
buf = bufload((CHAR *)0, arglist[argnext++], ElvTrue);
assert(buf);
} while ((*gui->creategw)(tochar8(o_bufname(buf)), "")
&& initialall && arglist[argnext]);
}
}
/* Perform "-c cmd" or "-t tag". If supposed to exit after that, then return
* TRUE; else return FALSE to continue running interactively.
*/
ELVBOOL mainfirstcmd(win)
WINDOW win; /* the first window */
{
#ifdef FEATURE_TAGS
CHAR tagcmd[100];
#endif
/* If "-c cmd" was given */
if (initialcommand)
{
/* Execute the command */
exstring(win, toCHAR(initialcommand), "-c");
}
#ifdef FEATURE_TAGS
/* If "-t tag" was given */
if (initialtag)
{
/* Compose a ":tag" command */
CHARcpy(tagcmd, toCHAR("tag "));
CHARncat(tagcmd, toCHAR(initialtag), QTY(tagcmd) - 5);
/* Execute the command */
exstring(win, tagcmd, "-t");
}
#endif
/* clean up the state stack */
while (windefault
&& windefault->state
&& 0 != (windefault->state->flags & ELVIS_POP))
statepop(windefault);
return (ELVBOOL)(windefault && !windefault->state);
}
static void init(argc, argv)
int argc; /* number of command-line arguments */
char **argv; /* values of command-line arguments */
{
BUFFER buf;
char *lc; /* locale name */
char lcfile[100]; /* combination of locale name and file name */
#ifdef FEATURE_STDIN
origstdin = stdin;
#endif
#ifdef OSINIT
/* initialize the OS */
osinit(argv[0]);
#endif
/* initialize the random number generator */
srand((unsigned)time(NULL));
/* initialize options */
optglobinit();
/* Choose a GUI, and call its init() function */
argc = choosegui(argc, argv);
#ifdef FEATURE_TAGS
/* Make the first :tag command prefer functions over macros. This isn't
* critical, but it can be convenient. After the fist tag search, the
* preferred kind of tag will be derived from the tags that the user
* actually accepts, so the effect of this will either fade or be
* reinforced over time. Note that tsparse() clobbers the string, so
* we can't pass a literal directly; we must pass a copy of it.
*/
strcpy(lcfile, "kind:+f");
tsparse(lcfile);
#endif
/* Parse command-line flags */
argc = parseflags(argc, argv);
/* set up the default options for windows */
wininit();
/* Create or restart the session file */
bufinit();
/* Set the "gui" pointer to the chosen gui. After this point, all
* error/warning/info messages will written to the window instead
* of stderr.
*/
gui = chosengui;
o_gui = toCHAR(gui->name);
/* Disable idle color switching by default, by making the idle colors
* look like the normal colors. Also used "boxed" as the default
* selection color.
*/
colorset(COLOR_FONT_IDLE, toCHAR("like normal"), ElvFalse);
colorset(COLOR_FONT_BOTTOM, toCHAR("like normal"), ElvFalse);
colorset(COLOR_FONT_NONTEXT, toCHAR("like normal"), ElvFalse);
colorset(COLOR_FONT_SELECTION, toCHAR("boxed"), ElvFalse);
/* Create the "Elvis ex history" buffer, and tweak its options */
buf = bufalloc(toCHAR(EX_BUF), (BLKNO)0, ElvTrue);
o_inputtab(buf) = 'e';
/* Create the "Elvis error list" buffer, and tweak its options */
buf = bufalloc(toCHAR(ERRLIST_BUF), (BLKNO)0, ElvTrue);
o_undolevels(buf) = 0;
/* Execute the initialization buffer (which may create some windows) */
doexrc();
/* Load the verbose messages, plus a few others */
if (((lc = getenv("LC_ALL")) != NULL && *lc)
|| ((lc = getenv("LC_MESSAGES")) != NULL && *lc)
|| ((lc = getenv("LANG")) != NULL && *lc))
{
/* Try to find "elvis.msg" in a locale-dependent subdirectory.
* If you can't find it there, then look for the standard one.
*/
strcpy(lcfile, dirpath(lc, MSG_FILE));
buf = bufpath(o_elvispath, lcfile, toCHAR(MSG_BUF));
if (!buf || o_bufchars(buf) == 0)
{
(void)bufpath(o_elvispath, MSG_FILE, toCHAR(MSG_BUF));
}
}
else
{
/* just use the standard versbose messages */
(void)bufpath(o_elvispath, MSG_FILE, toCHAR(MSG_BUF));
}
(void)bufpath(o_elvispath, BEFOREREAD_FILE, toCHAR(BEFOREREAD_BUF));
(void)bufpath(o_elvispath, AFTERREAD_FILE, toCHAR(AFTERREAD_BUF));
(void)bufpath(o_elvispath, BEFOREWRITE_FILE, toCHAR(BEFOREWRITE_BUF));
(void)bufpath(o_elvispath, AFTERWRITE_FILE, toCHAR(AFTERWRITE_BUF));
/* Store the filename arguments in a list */
buildargs(argc, argv);
/* start the first file (i.e., make sure we have at least 1 window) */
startfirst();
#ifdef FEATURE_AUTOCMD
/* do a BgChanged event, so highlight colors can be chosen relative
* the current background color.
*/
if (colorinfo[COLOR_FONT_NORMAL].da.bits & COLOR_BG)
(void)auperform(windefault, ElvFalse, NULL, AU_BGCHANGED,
toCHAR(colorinfo[COLOR_FONT_NORMAL].da.bg_rgb[0] +
colorinfo[COLOR_FONT_NORMAL].da.bg_rgb[1] +
colorinfo[COLOR_FONT_NORMAL].da.bg_rgb[2]>=384
? "light"
: "dark"));
# if 0
else
(void)auperform(windefault, ElvFalse, NULL, AU_BGCHANGED,
o_background == 'l' ? "light" : "dark");
# endif
#endif
}
/* Terminate elvis. By the time this function is called, all windows have
* been closed, and hence any buffers that can be discarded have been.
*/
void term()
{
#ifdef DEBUG_ALLOC
int i;
BUFFER buf, next;
#endif
/* Call the GUI's term() function */
gui->term();
gui = NULL;
/* Flush any final messages */
msgflush();
#ifdef DEBUG_ALLOC
/* Free the args list so it isn't reported as a memory leak */
for (i = 0; arglist[i]; i++)
safefree(arglist[i]);
safefree(arglist);
/* Free all the buffers so they aren't reported as memory leaks */
for (buf = ((BUFFER)0); buf; buf = next)
{
next = buflist(buf);
if (!o_internal(buf))
buffree(buf);
}
# ifdef FEATURE_SPELL
/* free the spelling dictionaries */
spellfree(spelltags);
spellfree(spellwords);
# endif
#endif
/* Close the session */
sesclose();
/* Check for any memory leaks */
safeterm();
}
int main(argc, argv)
int argc; /* number of command-line arguments */
char **argv; /* values of the command-line arguments */
{
init(argc, argv);
(*gui->loop)();
term();
#if !defined (GUI_WIN32)
exit((int)o_exitcode);
#endif
return (int)o_exitcode;
}
|