1 /* $OpenBSD: captoinfo.c,v 1.16 2010/01/12 23:22:06 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998-2006,2008 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 33 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 34 * and: Thomas E. Dickey 1996-on * 35 ****************************************************************************/ 36 37 /* 38 * captoinfo.c --- conversion between termcap and terminfo formats 39 * 40 * The captoinfo() code was swiped from Ross Ridge's mytinfo package, 41 * adapted to fit ncurses by Eric S. Raymond <esr@snark.thyrsus.com>. 42 * 43 * There is just one entry point: 44 * 45 * char *_nc_captoinfo(n, s, parameterized) 46 * 47 * Convert value s for termcap string capability named n into terminfo 48 * format. 49 * 50 * This code recognizes all the standard 4.4BSD %-escapes: 51 * 52 * %% output `%' 53 * %d output value as in printf %d 54 * %2 output value as in printf %2d 55 * %3 output value as in printf %3d 56 * %. output value as in printf %c 57 * %+x add x to value, then do %. 58 * %>xy if value > x then add y, no output 59 * %r reverse order of two parameters, no output 60 * %i increment by one, no output 61 * %n exclusive-or all parameters with 0140 (Datamedia 2500) 62 * %B BCD (16*(value/10)) + (value%10), no output 63 * %D Reverse coding (value - 2*(value%16)), no output (Delta Data). 64 * 65 * Also, %02 and %03 are accepted as synonyms for %2 and %3. 66 * 67 * Besides all the standard termcap escapes, this translator understands 68 * the following extended escapes: 69 * 70 * used by GNU Emacs termcap libraries 71 * %a[+*-/=][cp]x GNU arithmetic. 72 * %m xor the first two parameters by 0177 73 * %b backup to previous parameter 74 * %f skip this parameter 75 * 76 * used by the University of Waterloo (MFCF) termcap libraries 77 * %-x subtract parameter FROM char x and output it as a char 78 * %ax add the character x to parameter 79 * 80 * If #define WATERLOO is on, also enable these translations: 81 * 82 * %sx subtract parameter FROM the character x 83 * 84 * By default, this Waterloo translations are not compiled in, because 85 * the Waterloo %s conflicts with the way terminfo uses %s in strings for 86 * function programming. 87 * 88 * Note the two definitions of %a: the GNU definition is translated if the 89 * characters after the 'a' are valid for it, otherwise the UW definition 90 * is translated. 91 */ 92 93 #include <curses.priv.h> 94 95 #include <ctype.h> 96 #include <tic.h> 97 98 MODULE_ID("$Id: captoinfo.c,v 1.16 2010/01/12 23:22:06 nicm Exp $") 99 100 #define MAX_PUSHED 16 /* max # args we can push onto the stack */ 101 102 static int stack[MAX_PUSHED]; /* the stack */ 103 static int stackptr; /* the next empty place on the stack */ 104 static int onstack; /* the top of stack */ 105 static int seenm; /* seen a %m */ 106 static int seenn; /* seen a %n */ 107 static int seenr; /* seen a %r */ 108 static int param; /* current parameter */ 109 static char *dp; /* pointer to end of the converted string */ 110 111 static char *my_string; 112 static size_t my_length; 113 114 static char * 115 init_string(void) 116 /* initialize 'my_string', 'my_length' */ 117 { 118 if (my_string == 0) 119 my_string = typeMalloc(char, my_length = 256); 120 if (my_string == 0) 121 _nc_err_abort(MSG_NO_MEMORY); 122 123 *my_string = '\0'; 124 return my_string; 125 } 126 127 static char * 128 save_string(char *d, const char *const s) 129 { 130 size_t have = (d - my_string); 131 size_t need = have + strlen(s) + 2; 132 size_t copied; 133 if (need > my_length) { 134 my_string = (char *) realloc(my_string, my_length = (need + need)); 135 if (my_string == 0) 136 _nc_err_abort(MSG_NO_MEMORY); 137 d = my_string + have; 138 } 139 if ((copied = strlcpy(d, s, my_length - have)) >= my_length - have) 140 _nc_err_abort("Buffer overflow"); 141 return d + copied; 142 } 143 144 static NCURSES_INLINE char * 145 save_char(char *s, int c) 146 { 147 static char temp[2]; 148 temp[0] = (char) c; 149 return save_string(s, temp); 150 } 151 152 static void 153 push(void) 154 /* push onstack on to the stack */ 155 { 156 if (stackptr >= MAX_PUSHED) 157 _nc_warning("string too complex to convert"); 158 else 159 stack[stackptr++] = onstack; 160 } 161 162 static void 163 pop(void) 164 /* pop the top of the stack into onstack */ 165 { 166 if (stackptr == 0) { 167 if (onstack == 0) 168 _nc_warning("I'm confused"); 169 else 170 onstack = 0; 171 } else 172 onstack = stack[--stackptr]; 173 param++; 174 } 175 176 static int 177 cvtchar(register const char *sp) 178 /* convert a character to a terminfo push */ 179 { 180 unsigned char c = 0; 181 int len; 182 183 switch (*sp) { 184 case '\\': 185 switch (*++sp) { 186 case '\'': 187 case '$': 188 case '\\': 189 case '%': 190 c = (unsigned char) (*sp); 191 len = 2; 192 break; 193 case '\0': 194 c = '\\'; 195 len = 1; 196 break; 197 case '0': 198 case '1': 199 case '2': 200 case '3': 201 len = 1; 202 while (isdigit(UChar(*sp))) { 203 c = 8 * c + (*sp++ - '0'); 204 len++; 205 } 206 break; 207 default: 208 c = (unsigned char) (*sp); 209 len = 2; 210 break; 211 } 212 break; 213 case '^': 214 c = (*++sp & 0x1f); 215 len = 2; 216 break; 217 default: 218 c = (unsigned char) (*sp); 219 len = 1; 220 } 221 if (isgraph(c) && c != ',' && c != '\'' && c != '\\' && c != ':') { 222 dp = save_string(dp, "%\'"); 223 dp = save_char(dp, c); 224 dp = save_char(dp, '\''); 225 } else { 226 dp = save_string(dp, "%{"); 227 if (c > 99) 228 dp = save_char(dp, c / 100 + '0'); 229 if (c > 9) 230 dp = save_char(dp, ((int) (c / 10)) % 10 + '0'); 231 dp = save_char(dp, c % 10 + '0'); 232 dp = save_char(dp, '}'); 233 } 234 return len; 235 } 236 237 static void 238 getparm(int parm, int n) 239 /* push n copies of param on the terminfo stack if not already there */ 240 { 241 if (seenr) { 242 if (parm == 1) 243 parm = 2; 244 else if (parm == 2) 245 parm = 1; 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 while (n--) { 263 dp = save_string(dp, "%p"); 264 dp = save_char(dp, '0' + parm); 265 } 266 267 if (seenn && parm < 3) { 268 dp = save_string(dp, "%{96}%^"); 269 } 270 271 if (seenm && parm < 3) { 272 dp = save_string(dp, "%{127}%^"); 273 } 274 } 275 276 /* 277 * Convert a termcap string to terminfo format. 278 * 'cap' is the relevant terminfo capability index. 279 * 's' is the string value of the capability. 280 * 'parameterized' tells what type of translations to do: 281 * % translations if 1 282 * pad translations if >=0 283 */ 284 NCURSES_EXPORT(char *) 285 _nc_captoinfo(const char *cap, const char *s, int const parameterized) 286 { 287 const char *capstart; 288 289 stackptr = 0; 290 onstack = 0; 291 seenm = 0; 292 seenn = 0; 293 seenr = 0; 294 param = 1; 295 296 dp = init_string(); 297 298 /* skip the initial padding (if we haven't been told not to) */ 299 capstart = 0; 300 if (s == 0) 301 s = ""; 302 if (parameterized >= 0 && isdigit(UChar(*s))) 303 for (capstart = s;; s++) 304 if (!(isdigit(UChar(*s)) || *s == '*' || *s == '.')) 305 break; 306 307 while (*s != '\0') { 308 switch (*s) { 309 case '%': 310 s++; 311 if (parameterized < 1) { 312 dp = save_char(dp, '%'); 313 break; 314 } 315 switch (*s++) { 316 case '%': 317 dp = save_char(dp, '%'); 318 break; 319 case 'r': 320 if (seenr++ == 1) { 321 _nc_warning("saw %%r twice in %s", cap); 322 } 323 break; 324 case 'm': 325 if (seenm++ == 1) { 326 _nc_warning("saw %%m twice in %s", cap); 327 } 328 break; 329 case 'n': 330 if (seenn++ == 1) { 331 _nc_warning("saw %%n twice in %s", cap); 332 } 333 break; 334 case 'i': 335 dp = save_string(dp, "%i"); 336 break; 337 case '6': 338 case 'B': 339 getparm(param, 1); 340 dp = save_string(dp, "%{10}%/%{16}%*"); 341 getparm(param, 1); 342 dp = save_string(dp, "%{10}%m%+"); 343 break; 344 case '8': 345 case 'D': 346 getparm(param, 2); 347 dp = save_string(dp, "%{2}%*%-"); 348 break; 349 case '>': 350 getparm(param, 2); 351 /* %?%{x}%>%t%{y}%+%; */ 352 dp = save_string(dp, "%?"); 353 s += cvtchar(s); 354 dp = save_string(dp, "%>%t"); 355 s += cvtchar(s); 356 dp = save_string(dp, "%+%;"); 357 break; 358 case 'a': 359 if ((*s == '=' || *s == '+' || *s == '-' 360 || *s == '*' || *s == '/') 361 && (s[1] == 'p' || s[1] == 'c') 362 && s[2] != '\0') { 363 int l; 364 l = 2; 365 if (*s != '=') 366 getparm(param, 1); 367 if (s[1] == 'p') { 368 getparm(param + s[2] - '@', 1); 369 if (param != onstack) { 370 pop(); 371 param--; 372 } 373 l++; 374 } else 375 l += cvtchar(s + 2); 376 switch (*s) { 377 case '+': 378 dp = save_string(dp, "%+"); 379 break; 380 case '-': 381 dp = save_string(dp, "%-"); 382 break; 383 case '*': 384 dp = save_string(dp, "%*"); 385 break; 386 case '/': 387 dp = save_string(dp, "%/"); 388 break; 389 case '=': 390 if (seenr) { 391 if (param == 1) 392 onstack = 2; 393 else if (param == 2) 394 onstack = 1; 395 else 396 onstack = param; 397 } else 398 onstack = param; 399 break; 400 } 401 s += l; 402 break; 403 } 404 getparm(param, 1); 405 s += cvtchar(s); 406 dp = save_string(dp, "%+"); 407 break; 408 case '+': 409 getparm(param, 1); 410 s += cvtchar(s); 411 dp = save_string(dp, "%+%c"); 412 pop(); 413 break; 414 case 's': 415 #ifdef WATERLOO 416 s += cvtchar(s); 417 getparm(param, 1); 418 dp = save_string(dp, "%-"); 419 #else 420 getparm(param, 1); 421 dp = save_string(dp, "%s"); 422 pop(); 423 #endif /* WATERLOO */ 424 break; 425 case '-': 426 s += cvtchar(s); 427 getparm(param, 1); 428 dp = save_string(dp, "%-%c"); 429 pop(); 430 break; 431 case '.': 432 getparm(param, 1); 433 dp = save_string(dp, "%c"); 434 pop(); 435 break; 436 case '0': /* not clear any of the historical termcaps did this */ 437 if (*s == '3') 438 goto see03; 439 else if (*s != '2') 440 goto invalid; 441 /* FALLTHRU */ 442 case '2': 443 getparm(param, 1); 444 dp = save_string(dp, "%2d"); 445 pop(); 446 break; 447 case '3': 448 see03: 449 getparm(param, 1); 450 dp = save_string(dp, "%3d"); 451 pop(); 452 break; 453 case 'd': 454 getparm(param, 1); 455 dp = save_string(dp, "%d"); 456 pop(); 457 break; 458 case 'f': 459 param++; 460 break; 461 case 'b': 462 param--; 463 break; 464 case '\\': 465 dp = save_string(dp, "%\\"); 466 break; 467 default: 468 invalid: 469 dp = save_char(dp, '%'); 470 s--; 471 _nc_warning("unknown %% code %s (%#x) in %s", 472 unctrl((chtype) *s), UChar(*s), cap); 473 break; 474 } 475 break; 476 #ifdef REVISIBILIZE 477 case '\\': 478 dp = save_char(dp, *s++); 479 dp = save_char(dp, *s++); 480 break; 481 case '\n': 482 dp = save_string(dp, "\\n"); 483 s++; 484 break; 485 case '\t': 486 dp = save_string(dp, "\\t"); 487 s++; 488 break; 489 case '\r': 490 dp = save_string(dp, "\\r"); 491 s++; 492 break; 493 case '\200': 494 dp = save_string(dp, "\\0"); 495 s++; 496 break; 497 case '\f': 498 dp = save_string(dp, "\\f"); 499 s++; 500 break; 501 case '\b': 502 dp = save_string(dp, "\\b"); 503 s++; 504 break; 505 case ' ': 506 dp = save_string(dp, "\\s"); 507 s++; 508 break; 509 case '^': 510 dp = save_string(dp, "\\^"); 511 s++; 512 break; 513 case ':': 514 dp = save_string(dp, "\\:"); 515 s++; 516 break; 517 case ',': 518 dp = save_string(dp, "\\,"); 519 s++; 520 break; 521 default: 522 if (*s == '\033') { 523 dp = save_string(dp, "\\E"); 524 s++; 525 } else if (*s > 0 && *s < 32) { 526 dp = save_char(dp, '^'); 527 dp = save_char(dp, *s + '@'); 528 s++; 529 } else if (*s <= 0 || *s >= 127) { 530 dp = save_char(dp, '\\'); 531 dp = save_char(dp, ((*s & 0300) >> 6) + '0'); 532 dp = save_char(dp, ((*s & 0070) >> 3) + '0'); 533 dp = save_char(dp, (*s & 0007) + '0'); 534 s++; 535 } else 536 dp = save_char(dp, *s++); 537 break; 538 #else 539 default: 540 dp = save_char(dp, *s++); 541 break; 542 #endif 543 } 544 } 545 546 /* 547 * Now, if we stripped off some leading padding, add it at the end 548 * of the string as mandatory padding. 549 */ 550 if (capstart) { 551 dp = save_string(dp, "$<"); 552 for (s = capstart;; s++) 553 if (isdigit(UChar(*s)) || *s == '*' || *s == '.') 554 dp = save_char(dp, *s); 555 else 556 break; 557 dp = save_string(dp, "/>"); 558 } 559 560 (void) save_char(dp, '\0'); 561 return (my_string); 562 } 563 564 /* 565 * Check for an expression that corresponds to "%B" (BCD): 566 * (parameter / 10) * 16 + (parameter % 10) 567 */ 568 static int 569 bcd_expression(const char *str) 570 { 571 /* leave this non-const for HPUX */ 572 static char fmt[] = "%%p%c%%{10}%%/%%{16}%%*%%p%c%%{10}%%m%%+"; 573 int len = 0; 574 char ch1, ch2; 575 576 if (sscanf(str, fmt, &ch1, &ch2) == 2 577 && isdigit(UChar(ch1)) 578 && isdigit(UChar(ch2)) 579 && (ch1 == ch2)) { 580 len = 28; 581 #ifndef NDEBUG 582 { 583 char buffer[80]; 584 int tst; 585 snprintf(buffer, sizeof(buffer), fmt, ch1, ch2); 586 tst = strlen(buffer) - 1; 587 assert(len == tst); 588 } 589 #endif 590 } 591 return len; 592 } 593 594 static char * 595 save_tc_char(char *bufptr, int c1) 596 { 597 char temp[80]; 598 599 if (is7bits(c1) && isprint(c1)) { 600 if (c1 == ':' || c1 == '\\') 601 bufptr = save_char(bufptr, '\\'); 602 bufptr = save_char(bufptr, c1); 603 } else { 604 if (c1 == (c1 & 0x1f)) /* iscntrl() returns T on 255 */ 605 (void) strlcpy(temp, unctrl((chtype) c1), sizeof(temp)); 606 else 607 (void) snprintf(temp, sizeof(temp), "\\%03o", c1); 608 bufptr = save_string(bufptr, temp); 609 } 610 return bufptr; 611 } 612 613 static char * 614 save_tc_inequality(char *bufptr, int c1, int c2) 615 { 616 bufptr = save_string(bufptr, "%>"); 617 bufptr = save_tc_char(bufptr, c1); 618 bufptr = save_tc_char(bufptr, c2); 619 return bufptr; 620 } 621 622 /* 623 * Here are the capabilities infotocap assumes it can translate to: 624 * 625 * %% output `%' 626 * %d output value as in printf %d 627 * %2 output value as in printf %2d 628 * %3 output value as in printf %3d 629 * %. output value as in printf %c 630 * %+c add character c to value, then do %. 631 * %>xy if value > x then add y, no output 632 * %r reverse order of two parameters, no output 633 * %i increment by one, no output 634 * %n exclusive-or all parameters with 0140 (Datamedia 2500) 635 * %B BCD (16*(value/10)) + (value%10), no output 636 * %D Reverse coding (value - 2*(value%16)), no output (Delta Data). 637 * %m exclusive-or all parameters with 0177 (not in 4.4BSD) 638 */ 639 640 /* 641 * Convert a terminfo string to termcap format. Parameters are as in 642 * _nc_captoinfo(). 643 */ 644 NCURSES_EXPORT(char *) 645 _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameterized) 646 { 647 int seenone = 0, seentwo = 0, saw_m = 0, saw_n = 0; 648 const char *padding; 649 const char *trimmed = 0; 650 char ch1 = 0, ch2 = 0; 651 char *bufptr = init_string(); 652 int len; 653 bool syntax_error = FALSE; 654 655 /* we may have to move some trailing mandatory padding up front */ 656 padding = str + strlen(str) - 1; 657 if (padding > str && *padding == '>' && *--padding == '/') { 658 --padding; 659 while (isdigit(UChar(*padding)) || *padding == '.' || *padding == '*') 660 padding--; 661 if (padding > str && *padding == '<' && *--padding == '$') 662 trimmed = padding; 663 padding += 2; 664 665 while (isdigit(UChar(*padding)) || *padding == '.' || *padding == '*') 666 bufptr = save_char(bufptr, *padding++); 667 } 668 669 for (; *str && str != trimmed; str++) { 670 int c1, c2; 671 char *cp = 0; 672 673 if (str[0] == '\\' && (str[1] == '^' || str[1] == ',')) { 674 bufptr = save_char(bufptr, *++str); 675 } else if (str[0] == '$' && str[1] == '<') { /* discard padding */ 676 str += 2; 677 while (isdigit(UChar(*str)) 678 || *str == '.' 679 || *str == '*' 680 || *str == '/' 681 || *str == '>') 682 str++; 683 --str; 684 } else if (str[0] == '%' && str[1] == '%') { /* escaped '%' */ 685 bufptr = save_string(bufptr, "%%"); 686 ++str; 687 } else if (*str != '%' || (parameterized < 1)) { 688 bufptr = save_char(bufptr, *str); 689 } else if (sscanf(str, "%%?%%{%d}%%>%%t%%{%d}%%+%%;", &c1, &c2) == 2) { 690 str = strchr(str, ';'); 691 bufptr = save_tc_inequality(bufptr, c1, c2); 692 } else if (sscanf(str, "%%?%%{%d}%%>%%t%%'%c'%%+%%;", &c1, &ch2) == 2) { 693 str = strchr(str, ';'); 694 bufptr = save_tc_inequality(bufptr, c1, c2); 695 } else if (sscanf(str, "%%?%%'%c'%%>%%t%%{%d}%%+%%;", &ch1, &c2) == 2) { 696 str = strchr(str, ';'); 697 bufptr = save_tc_inequality(bufptr, c1, c2); 698 } else if (sscanf(str, "%%?%%'%c'%%>%%t%%'%c'%%+%%;", &ch1, &ch2) == 2) { 699 str = strchr(str, ';'); 700 bufptr = save_tc_inequality(bufptr, c1, c2); 701 } else if ((len = bcd_expression(str)) != 0) { 702 str += len; 703 bufptr = save_string(bufptr, "%B"); 704 } else if ((sscanf(str, "%%{%d}%%+%%c", &c1) == 1 705 || sscanf(str, "%%'%c'%%+%%c", &ch1) == 1) 706 && (cp = strchr(str, '+'))) { 707 str = cp + 2; 708 bufptr = save_string(bufptr, "%+"); 709 710 if (ch1) 711 c1 = ch1; 712 bufptr = save_tc_char(bufptr, c1); 713 } 714 /* FIXME: this "works" for 'delta' */ 715 else if (strncmp(str, "%{2}%*%-", 8) == 0) { 716 str += 7; 717 bufptr = save_string(bufptr, "%D"); 718 } else if (strncmp(str, "%{96}%^", 7) == 0) { 719 str += 6; 720 if (saw_m++ == 0) { 721 bufptr = save_string(bufptr, "%n"); 722 } 723 } else if (strncmp(str, "%{127}%^", 8) == 0) { 724 str += 7; 725 if (saw_n++ == 0) { 726 bufptr = save_string(bufptr, "%m"); 727 } 728 } else { /* cm-style format element */ 729 str++; 730 switch (*str) { 731 case '%': 732 bufptr = save_char(bufptr, '%'); 733 break; 734 735 case '0': 736 case '1': 737 case '2': 738 case '3': 739 case '4': 740 case '5': 741 case '6': 742 case '7': 743 case '8': 744 case '9': 745 bufptr = save_char(bufptr, '%'); 746 while (isdigit(UChar(*str))) 747 bufptr = save_char(bufptr, *str++); 748 if (strchr("doxX.", *str)) { 749 if (*str != 'd') /* termcap doesn't have octal, hex */ 750 return 0; 751 } 752 break; 753 754 case 'd': 755 bufptr = save_string(bufptr, "%d"); 756 break; 757 758 case 'c': 759 bufptr = save_string(bufptr, "%."); 760 break; 761 762 /* 763 * %s isn't in termcap, but it's convenient to pass it through 764 * so we can represent things like terminfo pfkey strings in 765 * termcap notation. 766 */ 767 case 's': 768 bufptr = save_string(bufptr, "%s"); 769 break; 770 771 case 'p': 772 str++; 773 if (*str == '1') 774 seenone = 1; 775 else if (*str == '2') { 776 if (!seenone && !seentwo) { 777 bufptr = save_string(bufptr, "%r"); 778 seentwo++; 779 } 780 } else if (*str >= '3') 781 return (0); 782 break; 783 784 case 'i': 785 bufptr = save_string(bufptr, "%i"); 786 break; 787 788 default: 789 bufptr = save_char(bufptr, *str); 790 syntax_error = TRUE; 791 break; 792 } /* endswitch (*str) */ 793 } /* endelse (*str == '%') */ 794 795 /* 796 * 'str' always points to the end of what was scanned in this step, 797 * but that may not be the end of the string. 798 */ 799 assert(str != 0); 800 if (*str == '\0') 801 break; 802 803 } /* endwhile (*str) */ 804 805 return (syntax_error ? NULL : my_string); 806 } 807 808 #ifdef MAIN 809 810 int curr_line; 811 812 int 813 main(int argc, char *argv[]) 814 { 815 int c, tc = FALSE; 816 817 while ((c = getopt(argc, argv, "c")) != EOF) 818 switch (c) { 819 case 'c': 820 tc = TRUE; 821 break; 822 } 823 824 curr_line = 0; 825 for (;;) { 826 char buf[BUFSIZ]; 827 828 ++curr_line; 829 if (fgets(buf, sizeof(buf), stdin) == NULL) 830 break; 831 buflen = strlen(buf); 832 if (buflen > 0 && buf[buflen - 1] == '\n') 833 buf[buflen - 1] = '\0'; 834 _nc_set_source(buf); 835 836 if (tc) { 837 char *cp = _nc_infotocap("to termcap", buf, 1); 838 839 if (cp) 840 (void) fputs(cp, stdout); 841 } else 842 (void) fputs(_nc_captoinfo("to terminfo", buf, 1), stdout); 843 (void) putchar('\n'); 844 } 845 return (0); 846 } 847 #endif /* MAIN */ 848 849 #if NO_LEAKS 850 NCURSES_EXPORT(void) 851 _nc_captoinfo_leaks(void) 852 { 853 if (my_string != 0) { 854 FreeAndNull(my_string); 855 } 856 my_length = 0; 857 } 858 #endif 859