1/**************************************************************************** 2 * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29/**************************************************************************** 30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 31 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 32 * and: Thomas E. Dickey 1996-on * 33 ****************************************************************************/ 34 35/* 36 * captoinfo.c --- conversion between termcap and terminfo formats 37 * 38 * The captoinfo() code was swiped from Ross Ridge's mytinfo package, 39 * adapted to fit ncurses by Eric S. Raymond <esr@snark.thyrsus.com>. 40 * 41 * There is just one entry point: 42 * 43 * char *_nc_captoinfo(n, s, parameterized) 44 * 45 * Convert value s for termcap string capability named n into terminfo 46 * format. 47 * 48 * This code recognizes all the standard 4.4BSD %-escapes: 49 * 50 * %% output `%' 51 * %d output value as in printf %d 52 * %2 output value as in printf %2d 53 * %3 output value as in printf %3d 54 * %. output value as in printf %c 55 * %+x add x to value, then do %. 56 * %>xy if value > x then add y, no output 57 * %r reverse order of two parameters, no output 58 * %i increment by one, no output 59 * %n exclusive-or all parameters with 0140 (Datamedia 2500) 60 * %B BCD (16*(value/10)) + (value%10), no output 61 * %D Reverse coding (value - 2*(value%16)), no output (Delta Data). 62 * 63 * Also, %02 and %03 are accepted as synonyms for %2 and %3. 64 * 65 * Besides all the standard termcap escapes, this translator understands 66 * the following extended escapes: 67 * 68 * used by GNU Emacs termcap libraries 69 * %a[+*-/=][cp]x GNU arithmetic. 70 * %m xor the first two parameters by 0177 71 * %b backup to previous parameter 72 * %f skip this parameter 73 * 74 * used by the University of Waterloo (MFCF) termcap libraries 75 * %-x subtract parameter FROM char x and output it as a char 76 * %ax add the character x to parameter 77 * 78 * If #define WATERLOO is on, also enable these translations: 79 * 80 * %sx subtract parameter FROM the character x 81 * 82 * By default, this Waterloo translations are not compiled in, because 83 * the Waterloo %s conflicts with the way terminfo uses %s in strings for 84 * function programming. 85 * 86 * Note the two definitions of %a: the GNU definition is translated if the 87 * characters after the 'a' are valid for it, otherwise the UW definition 88 * is translated. 89 */ 90 91#include <curses.priv.h> 92 93#include <ctype.h> 94#include <tic.h> 95 96MODULE_ID("$Id: captoinfo.c,v 1.77 2012/12/30 00:50:40 tom Exp $") 97 98#define MAX_PUSHED 16 /* max # args we can push onto the stack */ 99 100static int stack[MAX_PUSHED]; /* the stack */ 101static int stackptr; /* the next empty place on the stack */ 102static int onstack; /* the top of stack */ 103static int seenm; /* seen a %m */ 104static int seenn; /* seen a %n */ 105static int seenr; /* seen a %r */ 106static int param; /* current parameter */ 107static char *dp; /* pointer to end of the converted string */ 108 109static char *my_string; 110static size_t my_length; 111 112static char * 113init_string(void) 114/* initialize 'my_string', 'my_length' */ 115{ 116 if (my_string == 0) 117 TYPE_MALLOC(char, my_length = 256, my_string); 118 119 *my_string = '\0'; 120 return my_string; 121} 122 123static char * 124save_string(char *d, const char *const s) 125{ 126 size_t have = (size_t) (d - my_string); 127 size_t need = have + strlen(s) + 2; 128 if (need > my_length) { 129 my_string = (char *) _nc_doalloc(my_string, my_length = (need + need)); 130 if (my_string == 0) 131 _nc_err_abort(MSG_NO_MEMORY); 132 d = my_string + have; 133 } 134 _nc_STRCPY(d, s, my_length - have); 135 return d + strlen(d); 136} 137 138static NCURSES_INLINE char * 139save_char(char *s, int c) 140{ 141 static char temp[2]; 142 temp[0] = (char) c; 143 return save_string(s, temp); 144} 145 146static void 147push(void) 148/* push onstack on to the stack */ 149{ 150 if (stackptr >= MAX_PUSHED) 151 _nc_warning("string too complex to convert"); 152 else 153 stack[stackptr++] = onstack; 154} 155 156static void 157pop(void) 158/* pop the top of the stack into onstack */ 159{ 160 if (stackptr == 0) { 161 if (onstack == 0) 162 _nc_warning("I'm confused"); 163 else 164 onstack = 0; 165 } else 166 onstack = stack[--stackptr]; 167 param++; 168} 169 170static int 171cvtchar(register const char *sp) 172/* convert a character to a terminfo push */ 173{ 174 unsigned char c = 0; 175 int len; 176 177 switch (*sp) { 178 case '\\': 179 switch (*++sp) { 180 case '\'': 181 case '$': 182 case '\\': 183 case '%': 184 c = (unsigned char) (*sp); 185 len = 2; 186 break; 187 case '\0': 188 c = '\\'; 189 len = 1; 190 break; 191 case '0': 192 case '1': 193 case '2': 194 case '3': 195 len = 1; 196 while (isdigit(UChar(*sp))) { 197 c = (unsigned char) (8 * c + (*sp++ - '0')); 198 len++; 199 } 200 break; 201 default: 202 c = (unsigned char) (*sp); 203 len = 2; 204 break; 205 } 206 break; 207 case '^': 208 c = (unsigned char) (*++sp & 0x1f); 209 len = 2; 210 break; 211 default: 212 c = (unsigned char) (*sp); 213 len = 1; 214 } 215 if (isgraph(c) && c != ',' && c != '\'' && c != '\\' && c != ':') { 216 dp = save_string(dp, "%\'"); 217 dp = save_char(dp, c); 218 dp = save_char(dp, '\''); 219 } else { 220 dp = save_string(dp, "%{"); 221 if (c > 99) 222 dp = save_char(dp, c / 100 + '0'); 223 if (c > 9) 224 dp = save_char(dp, ((int) (c / 10)) % 10 + '0'); 225 dp = save_char(dp, c % 10 + '0'); 226 dp = save_char(dp, '}'); 227 } 228 return len; 229} 230 231static void 232getparm(int parm, int n) 233/* push n copies of param on the terminfo stack if not already there */ 234{ 235 if (seenr) { 236 if (parm == 1) 237 parm = 2; 238 else if (parm == 2) 239 parm = 1; 240 } 241 242 while (n--) { 243 dp = save_string(dp, "%p"); 244 dp = save_char(dp, '0' + parm); 245 } 246 247 if (onstack == parm) { 248 if (n > 1) { 249 _nc_warning("string may not be optimal"); 250 dp = save_string(dp, "%Pa"); 251 while (n--) { 252 dp = save_string(dp, "%ga"); 253 } 254 } 255 return; 256 } 257 if (onstack != 0) 258 push(); 259 260 onstack = parm; 261 262 if (seenn && parm < 3) { 263 dp = save_string(dp, "%{96}%^"); 264 } 265 266 if (seenm && parm < 3) { 267 dp = save_string(dp, "%{127}%^"); 268 } 269} 270 271/* 272 * Convert a termcap string to terminfo format. 273 * 'cap' is the relevant terminfo capability index. 274 * 's' is the string value of the capability. 275 * 'parameterized' tells what type of translations to do: 276 * % translations if 1 277 * pad translations if >=0 278 */ 279NCURSES_EXPORT(char *) 280_nc_captoinfo(const char *cap, const char *s, int const parameterized) 281{ 282 const char *capstart; 283 284 stackptr = 0; 285 onstack = 0; 286 seenm = 0; 287 seenn = 0; 288 seenr = 0; 289 param = 1; 290 291 dp = init_string(); 292 293 /* skip the initial padding (if we haven't been told not to) */ 294 capstart = 0; 295 if (s == 0) 296 s = ""; 297 if (parameterized >= 0 && isdigit(UChar(*s))) 298 for (capstart = s;; s++) 299 if (!(isdigit(UChar(*s)) || *s == '*' || *s == '.')) 300 break; 301 302 while (*s != '\0') { 303 switch (*s) { 304 case '%': 305 s++; 306 if (parameterized < 1) { 307 dp = save_char(dp, '%'); 308 break; 309 } 310 switch (*s++) { 311 case '%': 312 dp = save_char(dp, '%'); 313 break; 314 case 'r': 315 if (seenr++ == 1) { 316 _nc_warning("saw %%r twice in %s", cap); 317 } 318 break; 319 case 'm': 320 if (seenm++ == 1) { 321 _nc_warning("saw %%m twice in %s", cap); 322 } 323 break; 324 case 'n': 325 if (seenn++ == 1) { 326 _nc_warning("saw %%n twice in %s", cap); 327 } 328 break; 329 case 'i': 330 dp = save_string(dp, "%i"); 331 break; 332 case '6': 333 case 'B': 334 getparm(param, 1); 335 dp = save_string(dp, "%{10}%/%{16}%*"); 336 getparm(param, 1); 337 dp = save_string(dp, "%{10}%m%+"); 338 break; 339 case '8': 340 case 'D': 341 getparm(param, 2); 342 dp = save_string(dp, "%{2}%*%-"); 343 break; 344 case '>': 345 getparm(param, 2); 346 /* %?%{x}%>%t%{y}%+%; */ 347 dp = save_string(dp, "%?"); 348 s += cvtchar(s); 349 dp = save_string(dp, "%>%t"); 350 s += cvtchar(s); 351 dp = save_string(dp, "%+%;"); 352 break; 353 case 'a': 354 if ((*s == '=' || *s == '+' || *s == '-' 355 || *s == '*' || *s == '/') 356 && (s[1] == 'p' || s[1] == 'c') 357 && s[2] != '\0') { 358 int l; 359 l = 2; 360 if (*s != '=') 361 getparm(param, 1); 362 if (s[1] == 'p') { 363 getparm(param + s[2] - '@', 1); 364 if (param != onstack) { 365 pop(); 366 param--; 367 } 368 l++; 369 } else 370 l += cvtchar(s + 2); 371 switch (*s) { 372 case '+': 373 dp = save_string(dp, "%+"); 374 break; 375 case '-': 376 dp = save_string(dp, "%-"); 377 break; 378 case '*': 379 dp = save_string(dp, "%*"); 380 break; 381 case '/': 382 dp = save_string(dp, "%/"); 383 break; 384 case '=': 385 if (seenr) { 386 if (param == 1) 387 onstack = 2; 388 else if (param == 2) 389 onstack = 1; 390 else 391 onstack = param; 392 } else 393 onstack = param; 394 break; 395 } 396 s += l; 397 break; 398 } 399 getparm(param, 1); 400 s += cvtchar(s); 401 dp = save_string(dp, "%+"); 402 break; 403 case '+': 404 getparm(param, 1); 405 s += cvtchar(s); 406 dp = save_string(dp, "%+%c"); 407 pop(); 408 break; 409 case 's': 410#ifdef WATERLOO 411 s += cvtchar(s); 412 getparm(param, 1); 413 dp = save_string(dp, "%-"); 414#else 415 getparm(param, 1); 416 dp = save_string(dp, "%s"); 417 pop(); 418#endif /* WATERLOO */ 419 break; 420 case '-': 421 s += cvtchar(s); 422 getparm(param, 1); 423 dp = save_string(dp, "%-%c"); 424 pop(); 425 break; 426 case '.': 427 getparm(param, 1); 428 dp = save_string(dp, "%c"); 429 pop(); 430 break; 431 case '0': /* not clear any of the historical termcaps did this */ 432 if (*s == '3') 433 goto see03; 434 else if (*s != '2') 435 goto invalid; 436 /* FALLTHRU */ 437 case '2': 438 getparm(param, 1); 439 dp = save_string(dp, "%2d"); 440 pop(); 441 break; 442 case '3': 443 see03: 444 getparm(param, 1); 445 dp = save_string(dp, "%3d"); 446 pop(); 447 break; 448 case 'd': 449 getparm(param, 1); 450 dp = save_string(dp, "%d"); 451 pop(); 452 break; 453 case 'f': 454 param++; 455 break; 456 case 'b': 457 param--; 458 break; 459 case '\\': 460 dp = save_string(dp, "%\\"); 461 break; 462 default: 463 invalid: 464 dp = save_char(dp, '%'); 465 s--; 466 _nc_warning("unknown %% code %s (%#x) in %s", 467 unctrl((chtype) *s), UChar(*s), cap); 468 break; 469 } 470 break; 471 default: 472 dp = save_char(dp, *s++); 473 break; 474 } 475 } 476 477 /* 478 * Now, if we stripped off some leading padding, add it at the end 479 * of the string as mandatory padding. 480 */ 481 if (capstart) { 482 dp = save_string(dp, "$<"); 483 for (s = capstart;; s++) 484 if (isdigit(UChar(*s)) || *s == '*' || *s == '.') 485 dp = save_char(dp, *s); 486 else 487 break; 488 dp = save_string(dp, "/>"); 489 } 490 491 (void) save_char(dp, '\0'); 492 return (my_string); 493} 494 495/* 496 * Check for an expression that corresponds to "%B" (BCD): 497 * (parameter / 10) * 16 + (parameter % 10) 498 */ 499static int 500bcd_expression(const char *str) 501{ 502 /* leave this non-const for HPUX */ 503 static char fmt[] = "%%p%c%%{10}%%/%%{16}%%*%%p%c%%{10}%%m%%+"; 504 int len = 0; 505 char ch1, ch2; 506 507 if (sscanf(str, fmt, &ch1, &ch2) == 2 508 && isdigit(UChar(ch1)) 509 && isdigit(UChar(ch2)) 510 && (ch1 == ch2)) { 511 len = 28; 512#ifndef NDEBUG 513 { 514 char buffer[80]; 515 int tst; 516 _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) fmt, ch1, ch2); 517 tst = strlen(buffer) - 1; 518 assert(len == tst); 519 } 520#endif 521 } 522 return len; 523} 524 525static char * 526save_tc_char(char *bufptr, int c1) 527{ 528 char temp[80]; 529 530 if (is7bits(c1) && isprint(c1)) { 531 if (c1 == ':' || c1 == '\\') 532 bufptr = save_char(bufptr, '\\'); 533 bufptr = save_char(bufptr, c1); 534 } else { 535 if (c1 == (c1 & 0x1f)) { /* iscntrl() returns T on 255 */ 536 _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp)) 537 "%.20s", unctrl((chtype) c1)); 538 } else { 539 _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp)) 540 "\\%03o", c1); 541 } 542 bufptr = save_string(bufptr, temp); 543 } 544 return bufptr; 545} 546 547static char * 548save_tc_inequality(char *bufptr, int c1, int c2) 549{ 550 bufptr = save_string(bufptr, "%>"); 551 bufptr = save_tc_char(bufptr, c1); 552 bufptr = save_tc_char(bufptr, c2); 553 return bufptr; 554} 555 556/* 557 * Here are the capabilities infotocap assumes it can translate to: 558 * 559 * %% output `%' 560 * %d output value as in printf %d 561 * %2 output value as in printf %2d 562 * %3 output value as in printf %3d 563 * %. output value as in printf %c 564 * %+c add character c to value, then do %. 565 * %>xy if value > x then add y, no output 566 * %r reverse order of two parameters, no output 567 * %i increment by one, no output 568 * %n exclusive-or all parameters with 0140 (Datamedia 2500) 569 * %B BCD (16*(value/10)) + (value%10), no output 570 * %D Reverse coding (value - 2*(value%16)), no output (Delta Data). 571 * %m exclusive-or all parameters with 0177 (not in 4.4BSD) 572 */ 573 574/* 575 * Convert a terminfo string to termcap format. Parameters are as in 576 * _nc_captoinfo(). 577 */ 578NCURSES_EXPORT(char *) 579_nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameterized) 580{ 581 int seenone = 0, seentwo = 0, saw_m = 0, saw_n = 0; 582 const char *padding; 583 const char *trimmed = 0; 584 int in0, in1, in2; 585 char ch1 = 0, ch2 = 0; 586 char *bufptr = init_string(); 587 char octal[4]; 588 int len; 589 bool syntax_error = FALSE; 590 591 /* we may have to move some trailing mandatory padding up front */ 592 padding = str + strlen(str) - 1; 593 if (padding > str && *padding == '>') { 594 if (*--padding == '/') 595 --padding; 596 while (isdigit(UChar(*padding)) || *padding == '.' || *padding == '*') 597 padding--; 598 if (padding > str && *padding == '<' && *--padding == '$') 599 trimmed = padding; 600 padding += 2; 601 602 while (isdigit(UChar(*padding)) || *padding == '.' || *padding == '*') 603 bufptr = save_char(bufptr, *padding++); 604 } 605 606 for (; *str && ((trimmed == 0) || (str < trimmed)); str++) { 607 int c1, c2; 608 char *cp = 0; 609 610 if (str[0] == '^') { 611 if (str[1] == '\0' || (str + 1) == trimmed) { 612 bufptr = save_string(bufptr, "\\136"); 613 ++str; 614 } else { 615 bufptr = save_char(bufptr, *str++); 616 bufptr = save_char(bufptr, *str); 617 } 618 } else if (str[0] == '\\') { 619 if (str[1] == '\0' || (str + 1) == trimmed) { 620 bufptr = save_string(bufptr, "\\134"); 621 ++str; 622 } else if (str[1] == '^') { 623 bufptr = save_string(bufptr, "\\136"); 624 ++str; 625 } else if (str[1] == ',') { 626 bufptr = save_char(bufptr, *++str); 627 } else { 628 int xx1, xx2; 629 630 bufptr = save_char(bufptr, *str++); 631 xx1 = *str; 632 if (_nc_strict_bsd) { 633 if (isdigit(UChar(xx1))) { 634 int pad = 0; 635 636 if (!isdigit(UChar(str[1]))) 637 pad = 2; 638 else if (str[1] && !isdigit(UChar(str[2]))) 639 pad = 1; 640 641 /* 642 * Test for "\0", "\00" or "\000" and transform those 643 * into "\200". 644 */ 645 if (xx1 == '0' 646 && ((pad == 2) || (str[1] == '0')) 647 && ((pad >= 1) || (str[2] == '0'))) { 648 xx2 = '2'; 649 } else { 650 xx2 = '0'; 651 pad = 0; /* FIXME - optionally pad to 3 digits */ 652 } 653 while (pad-- > 0) { 654 bufptr = save_char(bufptr, xx2); 655 xx2 = '0'; 656 } 657 } else if (strchr("E\\nrtbf", xx1) == 0) { 658 switch (xx1) { 659 case 'e': 660 xx1 = 'E'; 661 break; 662 case 'l': 663 xx1 = 'n'; 664 break; 665 case 's': 666 bufptr = save_char(bufptr, '0'); 667 bufptr = save_char(bufptr, '4'); 668 xx1 = '0'; 669 break; 670 case ':': 671 /* 672 * Note: termcap documentation claims that ":" 673 * must be escaped as "\072", however the 674 * documentation is incorrect - read the code. 675 * The replacement does not work reliably, 676 * so the advice is not helpful. 677 */ 678 bufptr = save_char(bufptr, '0'); 679 bufptr = save_char(bufptr, '7'); 680 xx1 = '2'; 681 break; 682 default: 683 /* should not happen, but handle this anyway */ 684 _nc_SPRINTF(octal, _nc_SLIMIT(sizeof(octal)) 685 "%03o", UChar(xx1)); 686 bufptr = save_char(bufptr, octal[0]); 687 bufptr = save_char(bufptr, octal[1]); 688 xx1 = octal[2]; 689 break; 690 } 691 } 692 } 693 bufptr = save_char(bufptr, xx1); 694 } 695 } else if (str[0] == '$' && str[1] == '<') { /* discard padding */ 696 str += 2; 697 while (isdigit(UChar(*str)) 698 || *str == '.' 699 || *str == '*' 700 || *str == '/' 701 || *str == '>') 702 str++; 703 --str; 704 } else if (sscanf(str, 705 "[%%?%%p1%%{8}%%<%%t%d%%p1%%d%%e%%p1%%{16}%%<%%t%d%%p1%%{8}%%-%%d%%e%d;5;%%p1%%d%%;m", 706 &in0, &in1, &in2) == 3 707 && ((in0 == 4 && in1 == 10 && in2 == 48) 708 || (in0 == 3 && in1 == 9 && in2 == 38))) { 709 /* dumb-down an optimized case from xterm-256color for termcap */ 710 if ((str = strstr(str, ";m")) == 0) 711 break; /* cannot happen */ 712 ++str; 713 if (in2 == 48) { 714 bufptr = save_string(bufptr, "[48;5;%dm"); 715 } else { 716 bufptr = save_string(bufptr, "[38;5;%dm"); 717 } 718 } else if (str[0] == '%' && str[1] == '%') { /* escaped '%' */ 719 bufptr = save_string(bufptr, "%%"); 720 ++str; 721 } else if (*str != '%' || (parameterized < 1)) { 722 bufptr = save_char(bufptr, *str); 723 } else if (sscanf(str, "%%?%%{%d}%%>%%t%%{%d}%%+%%;", &c1, &c2) == 2) { 724 str = strchr(str, ';'); 725 bufptr = save_tc_inequality(bufptr, c1, c2); 726 } else if (sscanf(str, "%%?%%{%d}%%>%%t%%'%c'%%+%%;", &c1, &ch2) == 2) { 727 str = strchr(str, ';'); 728 bufptr = save_tc_inequality(bufptr, c1, ch2); 729 } else if (sscanf(str, "%%?%%'%c'%%>%%t%%{%d}%%+%%;", &ch1, &c2) == 2) { 730 str = strchr(str, ';'); 731 bufptr = save_tc_inequality(bufptr, ch1, c2); 732 } else if (sscanf(str, "%%?%%'%c'%%>%%t%%'%c'%%+%%;", &ch1, &ch2) == 2) { 733 str = strchr(str, ';'); 734 bufptr = save_tc_inequality(bufptr, ch1, ch2); 735 } else if ((len = bcd_expression(str)) != 0) { 736 str += len; 737 bufptr = save_string(bufptr, "%B"); 738 } else if ((sscanf(str, "%%{%d}%%+%%c", &c1) == 1 739 || sscanf(str, "%%'%c'%%+%%c", &ch1) == 1) 740 && (cp = strchr(str, '+'))) { 741 str = cp + 2; 742 bufptr = save_string(bufptr, "%+"); 743 744 if (ch1) 745 c1 = ch1; 746 bufptr = save_tc_char(bufptr, c1); 747 } 748 /* FIXME: this "works" for 'delta' */ 749 else if (strncmp(str, "%{2}%*%-", (size_t) 8) == 0) { 750 str += 7; 751 bufptr = save_string(bufptr, "%D"); 752 } else if (strncmp(str, "%{96}%^", (size_t) 7) == 0) { 753 str += 6; 754 if (saw_m++ == 0) { 755 bufptr = save_string(bufptr, "%n"); 756 } 757 } else if (strncmp(str, "%{127}%^", (size_t) 8) == 0) { 758 str += 7; 759 if (saw_n++ == 0) { 760 bufptr = save_string(bufptr, "%m"); 761 } 762 } else { /* cm-style format element */ 763 str++; 764 switch (*str) { 765 case '%': 766 bufptr = save_char(bufptr, '%'); 767 break; 768 769 case '0': 770 case '1': 771 case '2': 772 case '3': 773 case '4': 774 case '5': 775 case '6': 776 case '7': 777 case '8': 778 case '9': 779 bufptr = save_char(bufptr, '%'); 780 ch1 = 0; 781 ch2 = 0; 782 while (isdigit(UChar(*str))) { 783 ch2 = ch1; 784 ch1 = *str++; 785 if (_nc_strict_bsd) { 786 if (ch1 > '3') 787 return 0; 788 } else { 789 bufptr = save_char(bufptr, ch1); 790 } 791 } 792 if (_nc_strict_bsd) { 793 if (ch2 != 0 && ch2 != '0') 794 return 0; 795 if (ch1 < '2') 796 ch1 = 'd'; 797 bufptr = save_char(bufptr, ch1); 798 } 799 if (strchr("doxX.", *str)) { 800 if (*str != 'd') /* termcap doesn't have octal, hex */ 801 return 0; 802 } 803 break; 804 805 case 'd': 806 bufptr = save_string(bufptr, "%d"); 807 break; 808 809 case 'c': 810 bufptr = save_string(bufptr, "%."); 811 break; 812 813 /* 814 * %s isn't in termcap, but it's convenient to pass it through 815 * so we can represent things like terminfo pfkey strings in 816 * termcap notation. 817 */ 818 case 's': 819 if (_nc_strict_bsd) 820 return 0; 821 bufptr = save_string(bufptr, "%s"); 822 break; 823 824 case 'p': 825 str++; 826 if (*str == '1') 827 seenone = 1; 828 else if (*str == '2') { 829 if (!seenone && !seentwo) { 830 bufptr = save_string(bufptr, "%r"); 831 seentwo++; 832 } 833 } else if (*str >= '3') 834 return (0); 835 break; 836 837 case 'i': 838 bufptr = save_string(bufptr, "%i"); 839 break; 840 841 default: 842 bufptr = save_char(bufptr, *str); 843 syntax_error = TRUE; 844 break; 845 } /* endswitch (*str) */ 846 } /* endelse (*str == '%') */ 847 848 /* 849 * 'str' always points to the end of what was scanned in this step, 850 * but that may not be the end of the string. 851 */ 852 assert(str != 0); 853 if (str == 0 || *str == '\0') 854 break; 855 856 } /* endwhile (*str) */ 857 858 return (syntax_error ? NULL : my_string); 859} 860 861#ifdef MAIN 862 863int curr_line; 864 865int 866main(int argc, char *argv[]) 867{ 868 int c, tc = FALSE; 869 870 while ((c = getopt(argc, argv, "c")) != EOF) 871 switch (c) { 872 case 'c': 873 tc = TRUE; 874 break; 875 } 876 877 curr_line = 0; 878 for (;;) { 879 char buf[BUFSIZ]; 880 881 ++curr_line; 882 if (fgets(buf, sizeof(buf), stdin) == 0) 883 break; 884 buf[strlen(buf) - 1] = '\0'; 885 _nc_set_source(buf); 886 887 if (tc) { 888 char *cp = _nc_infotocap("to termcap", buf, 1); 889 890 if (cp) 891 (void) fputs(cp, stdout); 892 } else 893 (void) fputs(_nc_captoinfo("to terminfo", buf, 1), stdout); 894 (void) putchar('\n'); 895 } 896 return (0); 897} 898#endif /* MAIN */ 899 900#if NO_LEAKS 901NCURSES_EXPORT(void) 902_nc_captoinfo_leaks(void) 903{ 904 if (my_string != 0) { 905 FreeAndNull(my_string); 906 } 907 my_length = 0; 908} 909#endif 910