| File: | src/usr.bin/tset/../tic/dump_entry.c |
| Warning: | line 1135, column 6 Value stored to 'len' is never read |
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| 1 | /* $OpenBSD: dump_entry.c,v 1.20 2017/05/11 19:13:17 millert Exp $ */ |
| 2 | |
| 3 | /**************************************************************************** |
| 4 | * Copyright (c) 1998-2007,2008 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 | #define __INTERNAL_CAPS_VISIBLE |
| 38 | #include <progs.priv.h> |
| 39 | |
| 40 | #include "dump_entry.h" |
| 41 | #include "termsort.c" /* this C file is generated */ |
| 42 | #include <parametrized.h> /* so is this */ |
| 43 | |
| 44 | MODULE_ID("$Id: dump_entry.c,v 1.20 2017/05/11 19:13:17 millert Exp $") |
| 45 | |
| 46 | #define INDENT8 8 |
| 47 | #define DISCARD(string)string = (char *)0 string = ABSENT_STRING(char *)0 |
| 48 | #define PRINTF(void) printf (void) printf |
| 49 | |
| 50 | #define OkIndex(index,array)((int)(index) >= 0 && (int)(index) < (int) (sizeof (array)/sizeof(array[0]))) ((int)(index) >= 0 && (int)(index) < (int) SIZEOF(array)(sizeof(array)/sizeof(array[0]))) |
| 51 | |
| 52 | typedef struct { |
| 53 | char *text; |
| 54 | size_t used; |
| 55 | size_t size; |
| 56 | } DYNBUF; |
| 57 | |
| 58 | static int tversion; /* terminfo version */ |
| 59 | static int outform; /* output format to use */ |
| 60 | static int sortmode; /* sort mode to use */ |
| 61 | static int width = 60; /* max line width for listings */ |
| 62 | static int column; /* current column, limited by 'width' */ |
| 63 | static int oldcol; /* last value of column before wrap */ |
| 64 | static bool_Bool pretty; /* true if we format if-then-else strings */ |
| 65 | |
| 66 | static char *save_sgr; |
| 67 | |
| 68 | static DYNBUF outbuf; |
| 69 | static DYNBUF tmpbuf; |
| 70 | |
| 71 | /* indirection pointers for implementing sort and display modes */ |
| 72 | static const PredIdx *bool_indirect, *num_indirect, *str_indirect; |
| 73 | static NCURSES_CONSTconst char *const *bool_names; |
| 74 | static NCURSES_CONSTconst char *const *num_names; |
| 75 | static NCURSES_CONSTconst char *const *str_names; |
| 76 | |
| 77 | static const char *separator, *trailer; |
| 78 | |
| 79 | /* cover various ports and variants of terminfo */ |
| 80 | #define V_ALLCAPS0 0 /* all capabilities (SVr4, XSI, ncurses) */ |
| 81 | #define V_SVR11 1 /* SVR1, Ultrix */ |
| 82 | #define V_HPUX2 2 /* HP/UX */ |
| 83 | #define V_AIX3 3 /* AIX */ |
| 84 | #define V_BSD4 4 /* BSD */ |
| 85 | |
| 86 | #if NCURSES_XNAMES1 |
| 87 | #define OBSOLETE(n)(!_nc_user_definable && (n[0] == 'O' && n[1] == 'T')) (!_nc_user_definable && (n[0] == 'O' && n[1] == 'T')) |
| 88 | #else |
| 89 | #define OBSOLETE(n)(!_nc_user_definable && (n[0] == 'O' && n[1] == 'T')) (n[0] == 'O' && n[1] == 'T') |
| 90 | #endif |
| 91 | |
| 92 | #define isObsolete(f,n)((f == 0 || f == 1) && (!_nc_user_definable && (n[0] == 'O' && n[1] == 'T'))) ((f == F_TERMINFO0 || f == F_VARIABLE1) && OBSOLETE(n)(!_nc_user_definable && (n[0] == 'O' && n[1] == 'T'))) |
| 93 | |
| 94 | #if NCURSES_XNAMES1 |
| 95 | #define BoolIndirect(j)((j >= 44) ? (j) : ((sortmode == 1) ? j : bool_indirect[j] )) ((j >= BOOLCOUNT44) ? (j) : ((sortmode == S_NOSORT1) ? j : bool_indirect[j])) |
| 96 | #define NumIndirect(j)((j >= 39) ? (j) : ((sortmode == 1) ? j : num_indirect[j]) ) ((j >= NUMCOUNT39) ? (j) : ((sortmode == S_NOSORT1) ? j : num_indirect[j])) |
| 97 | #define StrIndirect(j)((j >= 414) ? (j) : ((sortmode == 1) ? j : str_indirect[j] )) ((j >= STRCOUNT414) ? (j) : ((sortmode == S_NOSORT1) ? j : str_indirect[j])) |
| 98 | #else |
| 99 | #define BoolIndirect(j)((j >= 44) ? (j) : ((sortmode == 1) ? j : bool_indirect[j] )) ((sortmode == S_NOSORT1) ? (j) : bool_indirect[j]) |
| 100 | #define NumIndirect(j)((j >= 39) ? (j) : ((sortmode == 1) ? j : num_indirect[j]) ) ((sortmode == S_NOSORT1) ? (j) : num_indirect[j]) |
| 101 | #define StrIndirect(j)((j >= 414) ? (j) : ((sortmode == 1) ? j : str_indirect[j] )) ((sortmode == S_NOSORT1) ? (j) : str_indirect[j]) |
| 102 | #endif |
| 103 | |
| 104 | static void |
| 105 | strncpy_DYN(DYNBUF * dst, const char *src, size_t need) |
| 106 | { |
| 107 | size_t want = need + dst->used + 1; |
| 108 | if (want > dst->size) { |
| 109 | dst->size += (want + 1024); /* be generous */ |
| 110 | dst->text = typeRealloc(char, dst->size, dst->text)(char *)_nc_doalloc(dst->text, (dst->size)*sizeof(char) ); |
| 111 | } |
| 112 | (void) strncpy(dst->text + dst->used, src, need); |
| 113 | dst->used += need; |
| 114 | dst->text[dst->used] = 0; |
| 115 | } |
| 116 | |
| 117 | static void |
| 118 | strcpy_DYN(DYNBUF * dst, const char *src) |
| 119 | { |
| 120 | if (src == 0) { |
| 121 | dst->used = 0; |
| 122 | strcpy_DYN(dst, ""); |
| 123 | } else { |
| 124 | strncpy_DYN(dst, src, strlen(src)); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | #if NO_LEAKS0 |
| 129 | static void |
| 130 | free_DYN(DYNBUF * p) |
| 131 | { |
| 132 | if (p->text != 0) |
| 133 | free(p->text); |
| 134 | p->text = 0; |
| 135 | p->size = 0; |
| 136 | p->used = 0; |
| 137 | } |
| 138 | |
| 139 | void |
| 140 | _nc_leaks_dump_entry(void) |
| 141 | { |
| 142 | free_DYN(&outbuf); |
| 143 | free_DYN(&tmpbuf); |
| 144 | } |
| 145 | #endif |
| 146 | |
| 147 | #define NameTrans(check,result)if (((int)(np->nte_index) >= 0 && (int)(np-> nte_index) < (int) (sizeof(check)/sizeof(check[0]))) && check[np->nte_index]) return (result[np->nte_index]) \ |
| 148 | if (OkIndex(np->nte_index, check)((int)(np->nte_index) >= 0 && (int)(np->nte_index ) < (int) (sizeof(check)/sizeof(check[0]))) \ |
| 149 | && check[np->nte_index]) \ |
| 150 | return (result[np->nte_index]) |
| 151 | |
| 152 | NCURSES_CONSTconst char * |
| 153 | nametrans(const char *name) |
| 154 | /* translate a capability name from termcap to terminfo */ |
| 155 | { |
| 156 | const struct name_table_entry *np; |
| 157 | |
| 158 | if ((np = _nc_find_entry(name, _nc_get_hash_table(0))) != 0) |
| 159 | switch (np->nte_type) { |
| 160 | case BOOLEAN0: |
| 161 | NameTrans(bool_from_termcap, boolcodes)if (((int)(np->nte_index) >= 0 && (int)(np-> nte_index) < (int) (sizeof(bool_from_termcap)/sizeof(bool_from_termcap [0]))) && bool_from_termcap[np->nte_index]) return (boolcodes[np->nte_index]); |
| 162 | break; |
| 163 | |
| 164 | case NUMBER1: |
| 165 | NameTrans(num_from_termcap, numcodes)if (((int)(np->nte_index) >= 0 && (int)(np-> nte_index) < (int) (sizeof(num_from_termcap)/sizeof(num_from_termcap [0]))) && num_from_termcap[np->nte_index]) return ( numcodes[np->nte_index]); |
| 166 | break; |
| 167 | |
| 168 | case STRING2: |
| 169 | NameTrans(str_from_termcap, strcodes)if (((int)(np->nte_index) >= 0 && (int)(np-> nte_index) < (int) (sizeof(str_from_termcap)/sizeof(str_from_termcap [0]))) && str_from_termcap[np->nte_index]) return ( strcodes[np->nte_index]); |
| 170 | break; |
| 171 | } |
| 172 | |
| 173 | return (0); |
| 174 | } |
| 175 | |
| 176 | void |
| 177 | dump_init(const char *version, int mode, int sort, int twidth, int traceval, |
| 178 | bool_Bool formatted) |
| 179 | /* set up for entry display */ |
| 180 | { |
| 181 | width = twidth; |
| 182 | pretty = formatted; |
| 183 | |
| 184 | /* versions */ |
| 185 | if (version == 0) |
| 186 | tversion = V_ALLCAPS0; |
| 187 | else if (!strcmp(version, "SVr1") || !strcmp(version, "SVR1") |
| 188 | || !strcmp(version, "Ultrix")) |
| 189 | tversion = V_SVR11; |
| 190 | else if (!strcmp(version, "HP")) |
| 191 | tversion = V_HPUX2; |
| 192 | else if (!strcmp(version, "AIX")) |
| 193 | tversion = V_AIX3; |
| 194 | else if (!strcmp(version, "BSD")) |
| 195 | tversion = V_BSD4; |
| 196 | else |
| 197 | tversion = V_ALLCAPS0; |
| 198 | |
| 199 | /* implement display modes */ |
| 200 | switch (outform = mode) { |
| 201 | case F_LITERAL4: |
| 202 | case F_TERMINFO0: |
| 203 | bool_names = boolnames; |
| 204 | num_names = numnames; |
| 205 | str_names = strnames; |
| 206 | separator = twidth ? ", " : ","; |
| 207 | trailer = "\n\t"; |
| 208 | break; |
| 209 | |
| 210 | case F_VARIABLE1: |
| 211 | bool_names = boolfnames; |
| 212 | num_names = numfnames; |
| 213 | str_names = strfnames; |
| 214 | separator = twidth ? ", " : ","; |
| 215 | trailer = "\n\t"; |
| 216 | break; |
| 217 | |
| 218 | case F_TERMCAP2: |
| 219 | case F_TCONVERR3: |
| 220 | bool_names = boolcodes; |
| 221 | num_names = numcodes; |
| 222 | str_names = strcodes; |
| 223 | separator = ":"; |
| 224 | trailer = "\\\n\t:"; |
| 225 | break; |
| 226 | } |
| 227 | |
| 228 | /* implement sort modes */ |
| 229 | switch (sortmode = sort) { |
| 230 | case S_NOSORT1: |
| 231 | if (traceval) |
| 232 | (void) fprintf(stderr(&__sF[2]), |
| 233 | "%s: sorting by term structure order\n", _nc_progname); |
| 234 | break; |
| 235 | |
| 236 | case S_TERMINFO2: |
| 237 | if (traceval) |
| 238 | (void) fprintf(stderr(&__sF[2]), |
| 239 | "%s: sorting by terminfo name order\n", _nc_progname); |
| 240 | bool_indirect = bool_terminfo_sort; |
| 241 | num_indirect = num_terminfo_sort; |
| 242 | str_indirect = str_terminfo_sort; |
| 243 | break; |
| 244 | |
| 245 | case S_VARIABLE3: |
| 246 | if (traceval) |
| 247 | (void) fprintf(stderr(&__sF[2]), |
| 248 | "%s: sorting by C variable order\n", _nc_progname); |
| 249 | bool_indirect = bool_variable_sort; |
| 250 | num_indirect = num_variable_sort; |
| 251 | str_indirect = str_variable_sort; |
| 252 | break; |
| 253 | |
| 254 | case S_TERMCAP4: |
| 255 | if (traceval) |
| 256 | (void) fprintf(stderr(&__sF[2]), |
| 257 | "%s: sorting by termcap name order\n", _nc_progname); |
| 258 | bool_indirect = bool_termcap_sort; |
| 259 | num_indirect = num_termcap_sort; |
| 260 | str_indirect = str_termcap_sort; |
| 261 | break; |
| 262 | } |
| 263 | |
| 264 | if (traceval) |
| 265 | (void) fprintf(stderr(&__sF[2]), |
| 266 | "%s: width = %d, tversion = %d, outform = %d\n", |
| 267 | _nc_progname, width, tversion, outform); |
| 268 | } |
| 269 | |
| 270 | static TERMTYPE *cur_type; |
| 271 | |
| 272 | static int |
| 273 | dump_predicate(PredType type, PredIdx idx) |
| 274 | /* predicate function to use for ordinary decompilation */ |
| 275 | { |
| 276 | switch (type) { |
| 277 | case BOOLEAN0: |
| 278 | return (cur_type->Booleans[idx] == FALSE0) |
| 279 | ? FAIL-1 : cur_type->Booleans[idx]; |
| 280 | |
| 281 | case NUMBER1: |
| 282 | return (cur_type->Numbers[idx] == ABSENT_NUMERIC(-1)) |
| 283 | ? FAIL-1 : cur_type->Numbers[idx]; |
| 284 | |
| 285 | case STRING2: |
| 286 | return (cur_type->Strings[idx] != ABSENT_STRING(char *)0) |
| 287 | ? (int) TRUE1 : FAIL-1; |
| 288 | } |
| 289 | |
| 290 | return (FALSE0); /* pacify compiler */ |
| 291 | } |
| 292 | |
| 293 | static void set_obsolete_termcaps(TERMTYPE *tp); |
| 294 | |
| 295 | /* is this the index of a function key string? */ |
| 296 | #define FNKEY(i)(((i)>= 65 && (i)<= 75) || ((i)>= 216 && (i)<= 268)) (((i)>= 65 && (i)<= 75) || ((i)>= 216 && (i)<= 268)) |
| 297 | |
| 298 | /* |
| 299 | * If we configure with a different Caps file, the offsets into the arrays |
| 300 | * will change. So we use an address expression. |
| 301 | */ |
| 302 | #define BOOL_IDX(name)(PredType) (&(name) - &(tp-> Booleans[0])) (PredType) (&(name) - &(CURtp-> Booleans[0])) |
| 303 | #define NUM_IDX(name)(PredType) (&(name) - &(tp-> Numbers[0])) (PredType) (&(name) - &(CURtp-> Numbers[0])) |
| 304 | #define STR_IDX(name)(PredType) (&(name) - &(tp-> Strings[0])) (PredType) (&(name) - &(CURtp-> Strings[0])) |
| 305 | |
| 306 | static bool_Bool |
| 307 | version_filter(PredType type, PredIdx idx) |
| 308 | /* filter out capabilities we may want to suppress */ |
| 309 | { |
| 310 | switch (tversion) { |
| 311 | case V_ALLCAPS0: /* SVr4, XSI Curses */ |
| 312 | return (TRUE1); |
| 313 | |
| 314 | case V_SVR11: /* System V Release 1, Ultrix */ |
| 315 | switch (type) { |
| 316 | case BOOLEAN0: |
| 317 | return ((idx <= BOOL_IDX(xon_xoff)(PredType) (&(tp-> Booleans[20]) - &(tp-> Booleans [0]))) ? TRUE1 : FALSE0); |
| 318 | case NUMBER1: |
| 319 | return ((idx <= NUM_IDX(width_status_line)(PredType) (&(tp-> Numbers[7]) - &(tp-> Numbers [0]))) ? TRUE1 : FALSE0); |
| 320 | case STRING2: |
| 321 | return ((idx <= STR_IDX(prtr_non)(PredType) (&(tp-> Strings[144]) - &(tp-> Strings [0]))) ? TRUE1 : FALSE0); |
| 322 | } |
| 323 | break; |
| 324 | |
| 325 | case V_HPUX2: /* Hewlett-Packard */ |
| 326 | switch (type) { |
| 327 | case BOOLEAN0: |
| 328 | return ((idx <= BOOL_IDX(xon_xoff)(PredType) (&(tp-> Booleans[20]) - &(tp-> Booleans [0]))) ? TRUE1 : FALSE0); |
| 329 | case NUMBER1: |
| 330 | return ((idx <= NUM_IDX(label_width)(PredType) (&(tp-> Numbers[10]) - &(tp-> Numbers [0]))) ? TRUE1 : FALSE0); |
| 331 | case STRING2: |
| 332 | if (idx <= STR_IDX(prtr_non)(PredType) (&(tp-> Strings[144]) - &(tp-> Strings [0]))) |
| 333 | return (TRUE1); |
| 334 | else if (FNKEY(idx)(((idx)>= 65 && (idx)<= 75) || ((idx)>= 216 && (idx)<= 268))) /* function keys */ |
| 335 | return (TRUE1); |
| 336 | else if (idx == STR_IDX(plab_norm)(PredType) (&(tp-> Strings[147]) - &(tp-> Strings [0])) |
| 337 | || idx == STR_IDX(label_on)(PredType) (&(tp-> Strings[156]) - &(tp-> Strings [0])) |
| 338 | || idx == STR_IDX(label_off)(PredType) (&(tp-> Strings[157]) - &(tp-> Strings [0]))) |
| 339 | return (TRUE1); |
| 340 | else |
| 341 | return (FALSE0); |
| 342 | } |
| 343 | break; |
| 344 | |
| 345 | case V_AIX3: /* AIX */ |
| 346 | switch (type) { |
| 347 | case BOOLEAN0: |
| 348 | return ((idx <= BOOL_IDX(xon_xoff)(PredType) (&(tp-> Booleans[20]) - &(tp-> Booleans [0]))) ? TRUE1 : FALSE0); |
| 349 | case NUMBER1: |
| 350 | return ((idx <= NUM_IDX(width_status_line)(PredType) (&(tp-> Numbers[7]) - &(tp-> Numbers [0]))) ? TRUE1 : FALSE0); |
| 351 | case STRING2: |
| 352 | if (idx <= STR_IDX(prtr_non)(PredType) (&(tp-> Strings[144]) - &(tp-> Strings [0]))) |
| 353 | return (TRUE1); |
| 354 | else if (FNKEY(idx)(((idx)>= 65 && (idx)<= 75) || ((idx)>= 216 && (idx)<= 268))) /* function keys */ |
| 355 | return (TRUE1); |
| 356 | else |
| 357 | return (FALSE0); |
| 358 | } |
| 359 | break; |
| 360 | |
| 361 | #define is_termcap(type)(((int)(idx) >= 0 && (int)(idx) < (int) (sizeof (type_from_termcap)/sizeof(type_from_termcap[0]))) && type_from_termcap[idx]) (OkIndex(idx, type##_from_termcap)((int)(idx) >= 0 && (int)(idx) < (int) (sizeof( type##_from_termcap)/sizeof(type##_from_termcap[0]))) && \ |
| 362 | type##_from_termcap[idx]) |
| 363 | |
| 364 | case V_BSD4: /* BSD */ |
| 365 | switch (type) { |
| 366 | case BOOLEAN0: |
| 367 | return is_termcap(bool)(((int)(idx) >= 0 && (int)(idx) < (int) (sizeof (bool_from_termcap)/sizeof(bool_from_termcap[0]))) && bool_from_termcap[idx]); |
| 368 | case NUMBER1: |
| 369 | return is_termcap(num)(((int)(idx) >= 0 && (int)(idx) < (int) (sizeof (num_from_termcap)/sizeof(num_from_termcap[0]))) && num_from_termcap [idx]); |
| 370 | case STRING2: |
| 371 | return is_termcap(str)(((int)(idx) >= 0 && (int)(idx) < (int) (sizeof (str_from_termcap)/sizeof(str_from_termcap[0]))) && str_from_termcap [idx]); |
| 372 | } |
| 373 | break; |
| 374 | } |
| 375 | |
| 376 | return (FALSE0); /* pacify the compiler */ |
| 377 | } |
| 378 | |
| 379 | static void |
| 380 | trim_trailing(void) |
| 381 | { |
| 382 | while (outbuf.used > 0 && outbuf.text[outbuf.used - 1] == ' ') |
| 383 | outbuf.text[--outbuf.used] = '\0'; |
| 384 | } |
| 385 | |
| 386 | static void |
| 387 | force_wrap(void) |
| 388 | { |
| 389 | oldcol = column; |
| 390 | trim_trailing(); |
| 391 | strcpy_DYN(&outbuf, trailer); |
| 392 | column = INDENT8; |
| 393 | } |
| 394 | |
| 395 | static void |
| 396 | wrap_concat(const char *src) |
| 397 | { |
| 398 | unsigned need = strlen(src); |
| 399 | unsigned want = strlen(separator) + need; |
| 400 | |
| 401 | if (column > INDENT8 |
| 402 | && column + (int) want > width) { |
| 403 | force_wrap(); |
| 404 | } |
| 405 | strcpy_DYN(&outbuf, src); |
| 406 | strcpy_DYN(&outbuf, separator); |
| 407 | column += (int) need; |
| 408 | } |
| 409 | |
| 410 | #define IGNORE_SEP_TRAIL(first,last,sep_trail)if ((size_t)(last - first) > sizeof(sep_trail)-1 && !strncmp(first, sep_trail, sizeof(sep_trail)-1)) first += sizeof (sep_trail)-2 \ |
| 411 | if ((size_t)(last - first) > sizeof(sep_trail)-1 \ |
| 412 | && !strncmp(first, sep_trail, sizeof(sep_trail)-1)) \ |
| 413 | first += sizeof(sep_trail)-2 |
| 414 | |
| 415 | /* Returns the nominal length of the buffer assuming it is termcap format, |
| 416 | * i.e., the continuation sequence is treated as a single character ":". |
| 417 | * |
| 418 | * There are several implementations of termcap which read the text into a |
| 419 | * fixed-size buffer. Generally they strip the newlines from the text, but may |
| 420 | * not do it until after the buffer is read. Also, "tc=" resolution may be |
| 421 | * expanded in the same buffer. This function is useful for measuring the size |
| 422 | * of the best fixed-buffer implementation; the worst case may be much worse. |
| 423 | */ |
| 424 | #ifdef TEST_TERMCAP_LENGTH |
| 425 | static int |
| 426 | termcap_length(const char *src)strlen(const char *src) |
| 427 | { |
| 428 | static const char pattern[] = ":\\\n\t:"; |
| 429 | |
| 430 | int len = 0; |
| 431 | const char *const t = src + strlen(src); |
| 432 | |
| 433 | while (*src != '\0') { |
| 434 | IGNORE_SEP_TRAIL(src, t, pattern)if ((size_t)(t - src) > sizeof(pattern)-1 && !strncmp (src, pattern, sizeof(pattern)-1)) src += sizeof(pattern)-2; |
| 435 | src++; |
| 436 | len++; |
| 437 | } |
| 438 | return len; |
| 439 | } |
| 440 | #else |
| 441 | #define termcap_length(src)strlen(src) strlen(src) |
| 442 | #endif |
| 443 | |
| 444 | static void |
| 445 | indent_DYN(DYNBUF * buffer, int level) |
| 446 | { |
| 447 | int n; |
| 448 | |
| 449 | for (n = 0; n < level; n++) |
| 450 | strncpy_DYN(buffer, "\t", 1); |
| 451 | } |
| 452 | |
| 453 | static bool_Bool |
| 454 | has_params(const char *src) |
| 455 | { |
| 456 | bool_Bool result = FALSE0; |
| 457 | int len = (int) strlen(src); |
| 458 | int n; |
| 459 | bool_Bool ifthen = FALSE0; |
| 460 | bool_Bool params = FALSE0; |
| 461 | |
| 462 | for (n = 0; n < len - 1; ++n) { |
| 463 | if (!strncmp(src + n, "%p", 2)) { |
| 464 | params = TRUE1; |
| 465 | } else if (!strncmp(src + n, "%;", 2)) { |
| 466 | ifthen = TRUE1; |
| 467 | result = params; |
| 468 | break; |
| 469 | } |
| 470 | } |
| 471 | if (!ifthen) { |
| 472 | result = ((len > 50) && params); |
| 473 | } |
| 474 | return result; |
| 475 | } |
| 476 | |
| 477 | static char * |
| 478 | fmt_complex(char *src, int level) |
| 479 | { |
| 480 | bool_Bool percent = FALSE0; |
| 481 | bool_Bool params = has_params(src); |
| 482 | |
| 483 | while (*src != '\0') { |
| 484 | switch (*src) { |
| 485 | case '\\': |
| 486 | percent = FALSE0; |
| 487 | strncpy_DYN(&tmpbuf, src++, 1); |
| 488 | break; |
| 489 | case '%': |
| 490 | percent = TRUE1; |
| 491 | break; |
| 492 | case '?': /* "if" */ |
| 493 | case 't': /* "then" */ |
| 494 | case 'e': /* "else" */ |
| 495 | if (percent) { |
| 496 | percent = FALSE0; |
| 497 | tmpbuf.text[tmpbuf.used - 1] = '\n'; |
| 498 | /* treat a "%e" as else-if, on the same level */ |
| 499 | if (*src == 'e') { |
| 500 | indent_DYN(&tmpbuf, level); |
| 501 | strncpy_DYN(&tmpbuf, "%", 1); |
| 502 | strncpy_DYN(&tmpbuf, src, 1); |
| 503 | src++; |
| 504 | params = has_params(src); |
| 505 | if (!params && *src != '\0' && *src != '%') { |
| 506 | strncpy_DYN(&tmpbuf, "\n", 1); |
| 507 | indent_DYN(&tmpbuf, level + 1); |
| 508 | } |
| 509 | } else { |
| 510 | indent_DYN(&tmpbuf, level + 1); |
| 511 | strncpy_DYN(&tmpbuf, "%", 1); |
| 512 | strncpy_DYN(&tmpbuf, src, 1); |
| 513 | if (*src++ == '?') { |
| 514 | src = fmt_complex(src, level + 1); |
| 515 | if (*src != '\0' && *src != '%') { |
| 516 | strncpy_DYN(&tmpbuf, "\n", 1); |
| 517 | indent_DYN(&tmpbuf, level + 1); |
| 518 | } |
| 519 | } else if (level == 1) { |
| 520 | _nc_warning("%%%c without %%?", *src); |
| 521 | } |
| 522 | } |
| 523 | continue; |
| 524 | } |
| 525 | break; |
| 526 | case ';': /* "endif" */ |
| 527 | if (percent) { |
| 528 | percent = FALSE0; |
| 529 | if (level > 1) { |
| 530 | tmpbuf.text[tmpbuf.used - 1] = '\n'; |
| 531 | indent_DYN(&tmpbuf, level); |
| 532 | strncpy_DYN(&tmpbuf, "%", 1); |
| 533 | strncpy_DYN(&tmpbuf, src++, 1); |
| 534 | return src; |
| 535 | } |
| 536 | _nc_warning("%%; without %%?"); |
| 537 | } |
| 538 | break; |
| 539 | case 'p': |
| 540 | if (percent && params) { |
| 541 | tmpbuf.text[tmpbuf.used - 1] = '\n'; |
| 542 | indent_DYN(&tmpbuf, level + 1); |
| 543 | strncpy_DYN(&tmpbuf, "%", 1); |
| 544 | } |
| 545 | params = FALSE0; |
| 546 | percent = FALSE0; |
| 547 | break; |
| 548 | case ' ': |
| 549 | strncpy_DYN(&tmpbuf, "\\s", 2); |
| 550 | ++src; |
| 551 | continue; |
| 552 | default: |
| 553 | percent = FALSE0; |
| 554 | break; |
| 555 | } |
| 556 | strncpy_DYN(&tmpbuf, src++, 1); |
| 557 | } |
| 558 | return src; |
| 559 | } |
| 560 | |
| 561 | #define SAME_CAP(n,cap)(&tterm->Strings[n] == &cap) (&tterm->Strings[n] == &cap) |
| 562 | #define EXTRA_CAP20 20 |
| 563 | |
| 564 | int |
| 565 | fmt_entry(TERMTYPE *tterm, |
| 566 | PredFunc pred, |
| 567 | bool_Bool content_only, |
| 568 | bool_Bool suppress_untranslatable, |
| 569 | bool_Bool infodump, |
| 570 | int numbers) |
| 571 | { |
| 572 | PredIdx i, j; |
| 573 | char buffer[MAX_TERMINFO_LENGTH4096 + EXTRA_CAP20]; |
| 574 | char *capability; |
| 575 | NCURSES_CONSTconst char *name; |
| 576 | int predval, len; |
| 577 | PredIdx num_bools = 0; |
| 578 | PredIdx num_values = 0; |
| 579 | PredIdx num_strings = 0; |
| 580 | bool_Bool outcount = 0; |
| 581 | |
| 582 | #define WRAP_CONCATwrap_concat(buffer); outcount = 1 \ |
| 583 | wrap_concat(buffer); \ |
| 584 | outcount = TRUE1 |
| 585 | |
| 586 | len = 12; /* terminfo file-header */ |
| 587 | |
| 588 | if (pred == 0) { |
| 589 | cur_type = tterm; |
| 590 | pred = dump_predicate; |
| 591 | } |
| 592 | |
| 593 | strcpy_DYN(&outbuf, 0); |
| 594 | if (content_only) { |
| 595 | column = INDENT8; /* FIXME: workaround to prevent empty lines */ |
| 596 | } else { |
| 597 | strcpy_DYN(&outbuf, tterm->term_names); |
| 598 | strcpy_DYN(&outbuf, separator); |
| 599 | column = (int) outbuf.used; |
| 600 | force_wrap(); |
| 601 | } |
| 602 | |
| 603 | for_each_boolean(j, tterm)for(j = 0; j < (tterm)->num_Booleans; j++) { |
| 604 | i = BoolIndirect(j)((j >= 44) ? (j) : ((sortmode == 1) ? j : bool_indirect[j] )); |
| 605 | name = ExtBoolname(tterm, i, bool_names)(i >= 44) ? tterm->ext_Names[(i - (tterm->num_Booleans - tterm->ext_Booleans))] : bool_names[i]; |
| 606 | assert(strlen(name) < sizeof(buffer) - EXTRA_CAP)((void)0); |
| 607 | |
| 608 | if (!version_filter(BOOLEAN0, i)) |
| 609 | continue; |
| 610 | else if (isObsolete(outform, name)((outform == 0 || outform == 1) && (!_nc_user_definable && (name[0] == 'O' && name[1] == 'T')))) |
| 611 | continue; |
| 612 | |
| 613 | predval = pred(BOOLEAN0, i); |
| 614 | if (predval != FAIL-1) { |
| 615 | (void) strlcpy(buffer, name, sizeof buffer); |
| 616 | if (predval <= 0) |
| 617 | (void) strlcat(buffer, "@", sizeof buffer); |
| 618 | else if (i + 1 > num_bools) |
| 619 | num_bools = i + 1; |
| 620 | WRAP_CONCATwrap_concat(buffer); outcount = 1; |
| 621 | } |
| 622 | } |
| 623 | |
| 624 | if (column != INDENT8) |
| 625 | force_wrap(); |
| 626 | |
| 627 | for_each_number(j, tterm)for(j = 0; j < (tterm)->num_Numbers; j++) { |
| 628 | i = NumIndirect(j)((j >= 39) ? (j) : ((sortmode == 1) ? j : num_indirect[j]) ); |
| 629 | name = ExtNumname(tterm, i, num_names)(i >= 39) ? tterm->ext_Names[(i - (tterm->num_Numbers - tterm->ext_Numbers)) + tterm->ext_Booleans] : num_names [i]; |
| 630 | assert(strlen(name) < sizeof(buffer) - EXTRA_CAP)((void)0); |
| 631 | |
| 632 | if (!version_filter(NUMBER1, i)) |
| 633 | continue; |
| 634 | else if (isObsolete(outform, name)((outform == 0 || outform == 1) && (!_nc_user_definable && (name[0] == 'O' && name[1] == 'T')))) |
| 635 | continue; |
| 636 | |
| 637 | predval = pred(NUMBER1, i); |
| 638 | if (predval != FAIL-1) { |
| 639 | if (tterm->Numbers[i] < 0) { |
| 640 | snprintf(buffer, sizeof buffer, "%s@", name); |
| 641 | } else { |
| 642 | snprintf(buffer, sizeof buffer, "%s#%d", name, tterm->Numbers[i]); |
| 643 | if (i + 1 > num_values) |
| 644 | num_values = i + 1; |
| 645 | } |
| 646 | WRAP_CONCATwrap_concat(buffer); outcount = 1; |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | if (column != INDENT8) |
| 651 | force_wrap(); |
| 652 | |
| 653 | len += (int) (num_bools |
| 654 | + num_values * 2 |
| 655 | + strlen(tterm->term_names) + 1); |
| 656 | if (len & 1) |
| 657 | len++; |
| 658 | |
| 659 | #undef CURtp-> |
| 660 | #define CURtp-> tterm-> |
| 661 | if (outform == F_TERMCAP2) { |
| 662 | if (termcap_resettp-> Strings[395] != ABSENT_STRING(char *)0) { |
| 663 | if (init_3stringtp-> Strings[50] != ABSENT_STRING(char *)0 |
| 664 | && !strcmp(init_3stringtp-> Strings[50], termcap_resettp-> Strings[395])) |
| 665 | DISCARD(init_3string)tp-> Strings[50] = (char *)0; |
| 666 | |
| 667 | if (reset_2stringtp-> Strings[123] != ABSENT_STRING(char *)0 |
| 668 | && !strcmp(reset_2stringtp-> Strings[123], termcap_resettp-> Strings[395])) |
| 669 | DISCARD(reset_2string)tp-> Strings[123] = (char *)0; |
| 670 | } |
| 671 | } |
| 672 | |
| 673 | for_each_string(j, tterm)for(j = 0; j < (tterm)->num_Strings; j++) { |
| 674 | i = StrIndirect(j)((j >= 414) ? (j) : ((sortmode == 1) ? j : str_indirect[j] )); |
| 675 | name = ExtStrname(tterm, i, str_names)(i >= 414) ? tterm->ext_Names[(i - (tterm->num_Strings - tterm->ext_Strings)) + (tterm->ext_Numbers + tterm-> ext_Booleans)] : str_names[i]; |
| 676 | assert(strlen(name) < sizeof(buffer) - EXTRA_CAP)((void)0); |
| 677 | |
| 678 | capability = tterm->Strings[i]; |
| 679 | |
| 680 | if (!version_filter(STRING2, i)) |
| 681 | continue; |
| 682 | else if (isObsolete(outform, name)((outform == 0 || outform == 1) && (!_nc_user_definable && (name[0] == 'O' && name[1] == 'T')))) |
| 683 | continue; |
| 684 | |
| 685 | #if NCURSES_XNAMES1 |
| 686 | /* |
| 687 | * Extended names can be longer than 2 characters, but termcap programs |
| 688 | * cannot read those (filter them out). |
| 689 | */ |
| 690 | if (outform == F_TERMCAP2 && (strlen(name) > 2)) |
| 691 | continue; |
| 692 | #endif |
| 693 | |
| 694 | if (outform == F_TERMCAP2) { |
| 695 | /* |
| 696 | * Some older versions of vi want rmir/smir to be defined |
| 697 | * for ich/ich1 to work. If they're not defined, force |
| 698 | * them to be output as defined and empty. |
| 699 | */ |
| 700 | if (PRESENT(insert_character)(((tp-> Strings[52]) != (char *)0) && ((tp-> Strings [52]) != (char *)(-1))) || PRESENT(parm_ich)(((tp-> Strings[108]) != (char *)0) && ((tp-> Strings [108]) != (char *)(-1)))) { |
| 701 | if (SAME_CAP(i, enter_insert_mode)(&tterm->Strings[i] == &tp-> Strings[31]) |
| 702 | && enter_insert_modetp-> Strings[31] == ABSENT_STRING(char *)0) { |
| 703 | (void) strlcpy(buffer, "im=", sizeof(buffer)); |
| 704 | WRAP_CONCATwrap_concat(buffer); outcount = 1; |
| 705 | continue; |
| 706 | } |
| 707 | |
| 708 | if (SAME_CAP(i, exit_insert_mode)(&tterm->Strings[i] == &tp-> Strings[42]) |
| 709 | && exit_insert_modetp-> Strings[42] == ABSENT_STRING(char *)0) { |
| 710 | (void) strlcpy(buffer, "ei=", sizeof(buffer)); |
| 711 | WRAP_CONCATwrap_concat(buffer); outcount = 1; |
| 712 | continue; |
| 713 | } |
| 714 | } |
| 715 | /* |
| 716 | * termcap applications such as screen will be confused if sgr0 |
| 717 | * is translated to a string containing rmacs. Filter that out. |
| 718 | */ |
| 719 | if (PRESENT(exit_attribute_mode)(((tp-> Strings[39]) != (char *)0) && ((tp-> Strings [39]) != (char *)(-1)))) { |
| 720 | if (SAME_CAP(i, exit_attribute_mode)(&tterm->Strings[i] == &tp-> Strings[39])) { |
| 721 | char *trimmed_sgr0; |
| 722 | char *my_sgr = set_attributestp-> Strings[131]; |
| 723 | |
| 724 | set_attributestp-> Strings[131] = save_sgr; |
| 725 | |
| 726 | trimmed_sgr0 = _nc_trim_sgr0(tterm); |
| 727 | if (strcmp(capability, trimmed_sgr0)) |
| 728 | capability = trimmed_sgr0; |
| 729 | |
| 730 | set_attributestp-> Strings[131] = my_sgr; |
| 731 | } |
| 732 | } |
| 733 | } |
| 734 | |
| 735 | predval = pred(STRING2, i); |
| 736 | buffer[0] = '\0'; |
| 737 | |
| 738 | if (predval != FAIL-1) { |
| 739 | if (capability != ABSENT_STRING(char *)0 |
| 740 | && i + 1 > num_strings) |
| 741 | num_strings = i + 1; |
| 742 | |
| 743 | if (!VALID_STRING(capability)((capability) != (char *)(-1) && (capability) != (char *)0)) { |
| 744 | snprintf(buffer, sizeof(buffer), "%s@", name); |
| 745 | WRAP_CONCATwrap_concat(buffer); outcount = 1; |
| 746 | } else if (outform == F_TERMCAP2 || outform == F_TCONVERR3) { |
| 747 | int params = ((i < (int) SIZEOF(parametrized)(sizeof(parametrized)/sizeof(parametrized[0]))) |
| 748 | ? parametrized[i] |
| 749 | : 0); |
| 750 | char *srccap = _nc_tic_expand(capability, TRUE1, numbers); |
| 751 | char *cv = _nc_infotocap(name, srccap, params); |
| 752 | |
| 753 | if (cv == 0) { |
| 754 | if (outform == F_TCONVERR3) { |
| 755 | snprintf(buffer, sizeof(buffer), |
| 756 | "%s=!!! %s WILL NOT CONVERT !!!", name, srccap); |
| 757 | } else if (suppress_untranslatable) { |
| 758 | continue; |
| 759 | } else { |
| 760 | char *d, *s = srccap; |
| 761 | snprintf(buffer, sizeof(buffer), "..%s=", name); |
| 762 | d = buffer + strlen(buffer); |
| 763 | while ((*d = *s++) != 0) { /* XXX overflow */ |
| 764 | if (*d == ':') { |
| 765 | *d++ = '\\'; |
| 766 | *d = ':'; |
| 767 | } else if (*d == '\\') { |
| 768 | *++d = *s++; |
| 769 | } |
| 770 | d++; |
| 771 | } |
| 772 | } |
| 773 | } else { |
| 774 | snprintf(buffer, sizeof buffer, "%s=%s", name, cv); |
| 775 | } |
| 776 | len += (int) strlen(capability) + 1; |
| 777 | WRAP_CONCATwrap_concat(buffer); outcount = 1; |
| 778 | } else { |
| 779 | char *src = _nc_tic_expand(capability, |
| 780 | outform == F_TERMINFO0, numbers); |
| 781 | |
| 782 | strcpy_DYN(&tmpbuf, 0); |
| 783 | strcpy_DYN(&tmpbuf, name); |
| 784 | strcpy_DYN(&tmpbuf, "="); |
| 785 | if (pretty |
| 786 | && (outform == F_TERMINFO0 |
| 787 | || outform == F_VARIABLE1)) { |
| 788 | fmt_complex(src, 1); |
| 789 | } else { |
| 790 | strcpy_DYN(&tmpbuf, src); |
| 791 | } |
| 792 | len += (int) strlen(capability) + 1; |
| 793 | wrap_concat(tmpbuf.text); |
| 794 | outcount = TRUE1; |
| 795 | } |
| 796 | } |
| 797 | /* e.g., trimmed_sgr0 */ |
| 798 | if (capability != tterm->Strings[i]) |
| 799 | free(capability); |
| 800 | } |
| 801 | len += (int) (num_strings * 2); |
| 802 | |
| 803 | /* |
| 804 | * This piece of code should be an effective inverse of the functions |
| 805 | * postprocess_terminfo() and postprocess_terminfo() in parse_entry.c. |
| 806 | * Much more work should be done on this to support dumping termcaps. |
| 807 | */ |
| 808 | if (tversion == V_HPUX2) { |
| 809 | if (VALID_STRING(memory_lock)((tp-> Strings[411]) != (char *)(-1) && (tp-> Strings [411]) != (char *)0)) { |
| 810 | (void) snprintf(buffer, sizeof(buffer), "meml=%s", memory_locktp-> Strings[411]); |
| 811 | WRAP_CONCATwrap_concat(buffer); outcount = 1; |
| 812 | } |
| 813 | if (VALID_STRING(memory_unlock)((tp-> Strings[412]) != (char *)(-1) && (tp-> Strings [412]) != (char *)0)) { |
| 814 | (void) snprintf(buffer, sizeof(buffer), "memu=%s", memory_unlocktp-> Strings[412]); |
| 815 | WRAP_CONCATwrap_concat(buffer); outcount = 1; |
| 816 | } |
| 817 | } else if (tversion == V_AIX3) { |
| 818 | if (VALID_STRING(acs_chars)((tp-> Strings[146]) != (char *)(-1) && (tp-> Strings [146]) != (char *)0)) { |
| 819 | bool_Bool box_ok = TRUE1; |
| 820 | const char *acstrans = "lqkxjmwuvtn"; |
| 821 | const char *cp; |
| 822 | char *tp, *sp, boxchars[11]; |
| 823 | |
| 824 | tp = boxchars; |
| 825 | for (cp = acstrans; *cp; cp++) { |
| 826 | sp = strchr(acs_charstp-> Strings[146], *cp); |
| 827 | if (sp) |
| 828 | *tp++ = sp[1]; |
| 829 | else { |
| 830 | box_ok = FALSE0; |
| 831 | break; |
| 832 | } |
| 833 | } |
| 834 | tp[0] = '\0'; |
| 835 | |
| 836 | if (box_ok) { |
| 837 | (void) strlcpy(buffer, "box1=", sizeof(buffer)); |
| 838 | (void) strlcat(buffer, _nc_tic_expand(boxchars, |
| 839 | outform == F_TERMINFO0, numbers), sizeof(buffer)); |
| 840 | WRAP_CONCATwrap_concat(buffer); outcount = 1; |
| 841 | } |
| 842 | } |
| 843 | } |
| 844 | |
| 845 | /* |
| 846 | * kludge: trim off trailer to avoid an extra blank line |
| 847 | * in infocmp -u output when there are no string differences |
| 848 | */ |
| 849 | if (outcount) { |
| 850 | bool_Bool trimmed = FALSE0; |
| 851 | j = outbuf.used; |
| 852 | if (j >= 2 |
| 853 | && outbuf.text[j - 1] == '\t' |
| 854 | && outbuf.text[j - 2] == '\n') { |
| 855 | outbuf.used -= 2; |
| 856 | trimmed = TRUE1; |
| 857 | } else if (j >= 4 |
| 858 | && outbuf.text[j - 1] == ':' |
| 859 | && outbuf.text[j - 2] == '\t' |
| 860 | && outbuf.text[j - 3] == '\n' |
| 861 | && outbuf.text[j - 4] == '\\') { |
| 862 | outbuf.used -= 4; |
| 863 | trimmed = TRUE1; |
| 864 | } |
| 865 | if (trimmed) { |
| 866 | outbuf.text[outbuf.used] = '\0'; |
| 867 | column = oldcol; |
| 868 | strcpy_DYN(&outbuf, " "); |
| 869 | } |
| 870 | } |
| 871 | #if 0 |
| 872 | fprintf(stderr(&__sF[2]), "num_bools = %d\n", num_bools); |
| 873 | fprintf(stderr(&__sF[2]), "num_values = %d\n", num_values); |
| 874 | fprintf(stderr(&__sF[2]), "num_strings = %d\n", num_strings); |
| 875 | fprintf(stderr(&__sF[2]), "term_names=%s, len=%d, strlen(outbuf)=%d, outbuf=%s\n", |
| 876 | tterm->term_names, len, outbuf.used, outbuf.text); |
| 877 | #endif |
| 878 | /* |
| 879 | * Here's where we use infodump to trigger a more stringent length check |
| 880 | * for termcap-translation purposes. |
| 881 | * Return the length of the raw entry, without tc= expansions, |
| 882 | * It gives an idea of which entries are deadly to even *scan past*, |
| 883 | * as opposed to *use*. |
| 884 | */ |
| 885 | return (infodump ? len : (int) termcap_length(outbuf.text)strlen(outbuf.text)); |
| 886 | } |
| 887 | |
| 888 | static bool_Bool |
| 889 | kill_string(TERMTYPE *tterm, char *cap) |
| 890 | { |
| 891 | unsigned n; |
| 892 | for (n = 0; n < NUM_STRINGS(tterm)(tterm)->num_Strings; ++n) { |
| 893 | if (cap == tterm->Strings[n]) { |
| 894 | tterm->Strings[n] = ABSENT_STRING(char *)0; |
| 895 | return TRUE1; |
| 896 | } |
| 897 | } |
| 898 | return FALSE0; |
| 899 | } |
| 900 | |
| 901 | static char * |
| 902 | find_string(TERMTYPE *tterm, char *name) |
| 903 | { |
| 904 | PredIdx n; |
| 905 | for (n = 0; n < NUM_STRINGS(tterm)(tterm)->num_Strings; ++n) { |
| 906 | if (version_filter(STRING2, n) |
| 907 | && !strcmp(name, strnames[n])) { |
| 908 | char *cap = tterm->Strings[n]; |
| 909 | if (VALID_STRING(cap)((cap) != (char *)(-1) && (cap) != (char *)0)) { |
| 910 | return cap; |
| 911 | } |
| 912 | break; |
| 913 | } |
| 914 | } |
| 915 | return ABSENT_STRING(char *)0; |
| 916 | } |
| 917 | |
| 918 | /* |
| 919 | * This is used to remove function-key labels from a termcap entry to |
| 920 | * make it smaller. |
| 921 | */ |
| 922 | static int |
| 923 | kill_labels(TERMTYPE *tterm, int target) |
| 924 | { |
| 925 | int n; |
| 926 | int result = 0; |
| 927 | char *cap; |
| 928 | char name[10]; |
| 929 | |
| 930 | for (n = 0; n <= 10; ++n) { |
| 931 | snprintf(name, sizeof(name), "lf%d", n); |
| 932 | if ((cap = find_string(tterm, name)) != ABSENT_STRING(char *)0 |
| 933 | && kill_string(tterm, cap)) { |
| 934 | target -= (int) (strlen(cap) + 5); |
| 935 | ++result; |
| 936 | if (target < 0) |
| 937 | break; |
| 938 | } |
| 939 | } |
| 940 | return result; |
| 941 | } |
| 942 | |
| 943 | /* |
| 944 | * This is used to remove function-key definitions from a termcap entry to |
| 945 | * make it smaller. |
| 946 | */ |
| 947 | static int |
| 948 | kill_fkeys(TERMTYPE *tterm, int target) |
| 949 | { |
| 950 | int n; |
| 951 | int result = 0; |
| 952 | char *cap; |
| 953 | char name[10]; |
| 954 | |
| 955 | for (n = 60; n >= 0; --n) { |
| 956 | snprintf(name, sizeof(name), "kf%d", n); |
| 957 | if ((cap = find_string(tterm, name)) != ABSENT_STRING(char *)0 |
| 958 | && kill_string(tterm, cap)) { |
| 959 | target -= (int) (strlen(cap) + 5); |
| 960 | ++result; |
| 961 | if (target < 0) |
| 962 | break; |
| 963 | } |
| 964 | } |
| 965 | return result; |
| 966 | } |
| 967 | |
| 968 | /* |
| 969 | * Check if the given acsc string is a 1-1 mapping, i.e., just-like-vt100. |
| 970 | * Also, since this is for termcap, we only care about the line-drawing map. |
| 971 | */ |
| 972 | #define isLine(c)(strchr("lmkjtuvwqxn", c) != 0) (strchr("lmkjtuvwqxn", c) != 0) |
| 973 | |
| 974 | static bool_Bool |
| 975 | one_one_mapping(const char *mapping) |
| 976 | { |
| 977 | bool_Bool result = TRUE1; |
| 978 | |
| 979 | if (mapping != ABSENT_STRING(char *)0) { |
| 980 | int n = 0; |
| 981 | while (mapping[n] != '\0') { |
| 982 | if (isLine(mapping[n])(strchr("lmkjtuvwqxn", mapping[n]) != 0) && |
| 983 | mapping[n] != mapping[n + 1]) { |
| 984 | result = FALSE0; |
| 985 | break; |
| 986 | } |
| 987 | n += 2; |
| 988 | } |
| 989 | } |
| 990 | return result; |
| 991 | } |
| 992 | |
| 993 | #define FMT_ENTRY()fmt_entry(tterm, pred, 0, suppress_untranslatable, infodump, numbers ) \ |
| 994 | fmt_entry(tterm, pred, \ |
| 995 | 0, \ |
| 996 | suppress_untranslatable, \ |
| 997 | infodump, numbers) |
| 998 | |
| 999 | #define SHOW_WHY(void) printf PRINTF(void) printf |
| 1000 | |
| 1001 | static bool_Bool |
| 1002 | purged_acs(TERMTYPE *tterm) |
| 1003 | { |
| 1004 | bool_Bool result = FALSE0; |
| 1005 | |
| 1006 | if (VALID_STRING(acs_chars)((tp-> Strings[146]) != (char *)(-1) && (tp-> Strings [146]) != (char *)0)) { |
| 1007 | if (!one_one_mapping(acs_charstp-> Strings[146])) { |
| 1008 | enter_alt_charset_modetp-> Strings[25] = ABSENT_STRING(char *)0; |
| 1009 | exit_alt_charset_modetp-> Strings[38] = ABSENT_STRING(char *)0; |
| 1010 | SHOW_WHY(void) printf("# (rmacs/smacs removed for consistency)\n"); |
| 1011 | } |
| 1012 | result = TRUE1; |
| 1013 | } |
| 1014 | return result; |
| 1015 | } |
| 1016 | |
| 1017 | /* |
| 1018 | * Dump a single entry. |
| 1019 | */ |
| 1020 | void |
| 1021 | dump_entry(TERMTYPE *tterm, |
| 1022 | bool_Bool suppress_untranslatable, |
| 1023 | bool_Bool limited, |
| 1024 | int numbers, |
| 1025 | PredFunc pred) |
| 1026 | { |
| 1027 | TERMTYPE save_tterm; |
| 1028 | int len, critlen; |
| 1029 | const char *legend; |
| 1030 | bool_Bool infodump; |
| 1031 | |
| 1032 | if (outform == F_TERMCAP2 || outform == F_TCONVERR3) { |
| 1033 | critlen = MAX_TERMCAP_LENGTH1023; |
| 1034 | legend = "older termcap"; |
| 1035 | infodump = FALSE0; |
| 1036 | set_obsolete_termcaps(tterm); |
| 1037 | } else { |
| 1038 | critlen = MAX_TERMINFO_LENGTH4096; |
| 1039 | legend = "terminfo"; |
| 1040 | infodump = TRUE1; |
| 1041 | } |
| 1042 | |
| 1043 | save_sgr = set_attributestp-> Strings[131]; |
| 1044 | |
| 1045 | if (((len = FMT_ENTRY()fmt_entry(tterm, pred, 0, suppress_untranslatable, infodump, numbers )) > critlen) |
| 1046 | && limited) { |
| 1047 | |
| 1048 | save_tterm = *tterm; |
| 1049 | if (!suppress_untranslatable) { |
| 1050 | SHOW_WHY(void) printf("# (untranslatable capabilities removed to fit entry within %d bytes)\n", |
| 1051 | critlen); |
| 1052 | suppress_untranslatable = TRUE1; |
| 1053 | } |
| 1054 | if ((len = FMT_ENTRY()fmt_entry(tterm, pred, 0, suppress_untranslatable, infodump, numbers )) > critlen) { |
| 1055 | /* |
| 1056 | * We pick on sgr because it's a nice long string capability that |
| 1057 | * is really just an optimization hack. Another good candidate is |
| 1058 | * acsc since it is both long and unused by BSD termcap. |
| 1059 | */ |
| 1060 | bool_Bool changed = FALSE0; |
| 1061 | |
| 1062 | #if NCURSES_XNAMES1 |
| 1063 | /* |
| 1064 | * Extended names are most likely function-key definitions. Drop |
| 1065 | * those first. |
| 1066 | */ |
| 1067 | unsigned n; |
| 1068 | for (n = STRCOUNT414; n < NUM_STRINGS(tterm)(tterm)->num_Strings; n++) { |
| 1069 | const char *name = ExtStrname(tterm, n, strnames)(n >= 414) ? tterm->ext_Names[(n - (tterm->num_Strings - tterm->ext_Strings)) + (tterm->ext_Numbers + tterm-> ext_Booleans)] : strnames[n]; |
| 1070 | |
| 1071 | if (VALID_STRING(tterm->Strings[n])((tterm->Strings[n]) != (char *)(-1) && (tterm-> Strings[n]) != (char *)0)) { |
| 1072 | set_attributestp-> Strings[131] = ABSENT_STRING(char *)0; |
| 1073 | /* we remove long names anyway - only report the short */ |
| 1074 | if (strlen(name) <= 2) { |
| 1075 | SHOW_WHY(void) printf("# (%s removed to fit entry within %d bytes)\n", |
| 1076 | name, |
| 1077 | critlen); |
| 1078 | } |
| 1079 | changed = TRUE1; |
| 1080 | if ((len = FMT_ENTRY()fmt_entry(tterm, pred, 0, suppress_untranslatable, infodump, numbers )) <= critlen) |
| 1081 | break; |
| 1082 | } |
| 1083 | } |
| 1084 | #endif |
| 1085 | if (VALID_STRING(set_attributes)((tp-> Strings[131]) != (char *)(-1) && (tp-> Strings [131]) != (char *)0)) { |
| 1086 | set_attributestp-> Strings[131] = ABSENT_STRING(char *)0; |
| 1087 | SHOW_WHY(void) printf("# (sgr removed to fit entry within %d bytes)\n", |
| 1088 | critlen); |
| 1089 | changed = TRUE1; |
| 1090 | } |
| 1091 | if (!changed || ((len = FMT_ENTRY()fmt_entry(tterm, pred, 0, suppress_untranslatable, infodump, numbers )) > critlen)) { |
| 1092 | if (purged_acs(tterm)) { |
| 1093 | acs_charstp-> Strings[146] = ABSENT_STRING(char *)0; |
| 1094 | SHOW_WHY(void) printf("# (acsc removed to fit entry within %d bytes)\n", |
| 1095 | critlen); |
| 1096 | changed = TRUE1; |
| 1097 | } |
| 1098 | } |
| 1099 | if (!changed || ((len = FMT_ENTRY()fmt_entry(tterm, pred, 0, suppress_untranslatable, infodump, numbers )) > critlen)) { |
| 1100 | int oldversion = tversion; |
| 1101 | |
| 1102 | tversion = V_BSD4; |
| 1103 | SHOW_WHY(void) printf("# (terminfo-only capabilities suppressed to fit entry within %d bytes)\n", |
| 1104 | critlen); |
| 1105 | |
| 1106 | len = FMT_ENTRY()fmt_entry(tterm, pred, 0, suppress_untranslatable, infodump, numbers ); |
| 1107 | if (len > critlen |
| 1108 | && kill_labels(tterm, len - critlen)) { |
| 1109 | SHOW_WHY(void) printf("# (some labels capabilities suppressed to fit entry within %d bytes)\n", |
| 1110 | critlen); |
| 1111 | len = FMT_ENTRY()fmt_entry(tterm, pred, 0, suppress_untranslatable, infodump, numbers ); |
| 1112 | } |
| 1113 | if (len > critlen |
| 1114 | && kill_fkeys(tterm, len - critlen)) { |
| 1115 | SHOW_WHY(void) printf("# (some function-key capabilities suppressed to fit entry within %d bytes)\n", |
| 1116 | critlen); |
| 1117 | len = FMT_ENTRY()fmt_entry(tterm, pred, 0, suppress_untranslatable, infodump, numbers ); |
| 1118 | } |
| 1119 | if (len > critlen) { |
| 1120 | (void) fprintf(stderr(&__sF[2]), |
| 1121 | "warning: %s entry is %d bytes long\n", |
| 1122 | _nc_first_name(tterm->term_names), |
| 1123 | len); |
| 1124 | SHOW_WHY(void) printf("# WARNING: this entry, %d bytes long, may core-dump %s libraries!\n", |
| 1125 | len, legend); |
| 1126 | } |
| 1127 | tversion = oldversion; |
| 1128 | } |
| 1129 | set_attributestp-> Strings[131] = save_sgr; |
| 1130 | *tterm = save_tterm; |
| 1131 | } |
| 1132 | } else if (!version_filter(STRING2, STR_IDX(acs_chars)(PredType) (&(tp-> Strings[146]) - &(tp-> Strings [0])))) { |
| 1133 | save_tterm = *tterm; |
| 1134 | if (purged_acs(tterm)) { |
| 1135 | len = FMT_ENTRY()fmt_entry(tterm, pred, 0, suppress_untranslatable, infodump, numbers ); |
Value stored to 'len' is never read | |
| 1136 | } |
| 1137 | *tterm = save_tterm; |
| 1138 | } |
| 1139 | } |
| 1140 | |
| 1141 | void |
| 1142 | dump_uses(const char *name, bool_Bool infodump) |
| 1143 | /* dump "use=" clauses in the appropriate format */ |
| 1144 | { |
| 1145 | char buffer[MAX_TERMINFO_LENGTH4096]; |
| 1146 | |
| 1147 | if (outform == F_TERMCAP2 || outform == F_TCONVERR3) |
| 1148 | trim_trailing(); |
| 1149 | (void) snprintf(buffer, sizeof(buffer), "%s%s", infodump ? "use=" : "tc=", |
| 1150 | name); |
| 1151 | wrap_concat(buffer); |
| 1152 | } |
| 1153 | |
| 1154 | int |
| 1155 | show_entry(void) |
| 1156 | { |
| 1157 | trim_trailing(); |
| 1158 | (void) fputs(outbuf.text, stdout(&__sF[1])); |
| 1159 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); |
| 1160 | return (int) outbuf.used; |
| 1161 | } |
| 1162 | |
| 1163 | void |
| 1164 | compare_entry(void (*hook) (PredType t, PredIdx i, const char *name), |
| 1165 | TERMTYPE *tp GCC_UNUSED__attribute__((__unused__)), |
| 1166 | bool_Bool quiet) |
| 1167 | /* compare two entries */ |
| 1168 | { |
| 1169 | PredIdx i, j; |
| 1170 | NCURSES_CONSTconst char *name; |
| 1171 | |
| 1172 | if (!quiet) |
| 1173 | fputs(" comparing booleans.\n", stdout(&__sF[1])); |
| 1174 | for_each_boolean(j, tp)for(j = 0; j < (tp)->num_Booleans; j++) { |
| 1175 | i = BoolIndirect(j)((j >= 44) ? (j) : ((sortmode == 1) ? j : bool_indirect[j] )); |
| 1176 | name = ExtBoolname(tp, i, bool_names)(i >= 44) ? tp->ext_Names[(i - (tp->num_Booleans - tp ->ext_Booleans))] : bool_names[i]; |
| 1177 | |
| 1178 | if (isObsolete(outform, name)((outform == 0 || outform == 1) && (!_nc_user_definable && (name[0] == 'O' && name[1] == 'T')))) |
| 1179 | continue; |
| 1180 | |
| 1181 | (*hook) (CMP_BOOLEAN0, i, name); |
| 1182 | } |
| 1183 | |
| 1184 | if (!quiet) |
| 1185 | fputs(" comparing numbers.\n", stdout(&__sF[1])); |
| 1186 | for_each_number(j, tp)for(j = 0; j < (tp)->num_Numbers; j++) { |
| 1187 | i = NumIndirect(j)((j >= 39) ? (j) : ((sortmode == 1) ? j : num_indirect[j]) ); |
| 1188 | name = ExtNumname(tp, i, num_names)(i >= 39) ? tp->ext_Names[(i - (tp->num_Numbers - tp ->ext_Numbers)) + tp->ext_Booleans] : num_names[i]; |
| 1189 | |
| 1190 | if (isObsolete(outform, name)((outform == 0 || outform == 1) && (!_nc_user_definable && (name[0] == 'O' && name[1] == 'T')))) |
| 1191 | continue; |
| 1192 | |
| 1193 | (*hook) (CMP_NUMBER1, i, name); |
| 1194 | } |
| 1195 | |
| 1196 | if (!quiet) |
| 1197 | fputs(" comparing strings.\n", stdout(&__sF[1])); |
| 1198 | for_each_string(j, tp)for(j = 0; j < (tp)->num_Strings; j++) { |
| 1199 | i = StrIndirect(j)((j >= 414) ? (j) : ((sortmode == 1) ? j : str_indirect[j] )); |
| 1200 | name = ExtStrname(tp, i, str_names)(i >= 414) ? tp->ext_Names[(i - (tp->num_Strings - tp ->ext_Strings)) + (tp->ext_Numbers + tp->ext_Booleans )] : str_names[i]; |
| 1201 | |
| 1202 | if (isObsolete(outform, name)((outform == 0 || outform == 1) && (!_nc_user_definable && (name[0] == 'O' && name[1] == 'T')))) |
| 1203 | continue; |
| 1204 | |
| 1205 | (*hook) (CMP_STRING2, i, name); |
| 1206 | } |
| 1207 | |
| 1208 | /* (void) fputs(" comparing use entries.\n", stdout); */ |
| 1209 | (*hook) (CMP_USE3, 0, "use"); |
| 1210 | |
| 1211 | } |
| 1212 | |
| 1213 | #define NOTSET(s)((s) == 0) ((s) == 0) |
| 1214 | |
| 1215 | /* |
| 1216 | * This bit of legerdemain turns all the terminfo variable names into |
| 1217 | * references to locations in the arrays Booleans, Numbers, and Strings --- |
| 1218 | * precisely what's needed. |
| 1219 | */ |
| 1220 | #undef CURtp-> |
| 1221 | #define CURtp-> tp-> |
| 1222 | |
| 1223 | static void |
| 1224 | set_obsolete_termcaps(TERMTYPE *tp) |
| 1225 | { |
| 1226 | #include "capdefaults.c" |
| 1227 | } |
| 1228 | |
| 1229 | /* |
| 1230 | * Convert an alternate-character-set string to canonical form: sorted and |
| 1231 | * unique. |
| 1232 | */ |
| 1233 | void |
| 1234 | repair_acsc(TERMTYPE *tp) |
| 1235 | { |
| 1236 | if (VALID_STRING(acs_chars)((tp-> Strings[146]) != (char *)(-1) && (tp-> Strings [146]) != (char *)0)) { |
| 1237 | size_t n, m; |
| 1238 | char mapped[256]; |
| 1239 | char extra = 0; |
| 1240 | unsigned source; |
| 1241 | unsigned target; |
| 1242 | bool_Bool fix_needed = FALSE0; |
| 1243 | |
| 1244 | for (n = 0, source = 0; acs_charstp-> Strings[146][n] != 0; n++) { |
| 1245 | target = UChar(acs_chars[n])((unsigned char)(tp-> Strings[146][n])); |
| 1246 | if (source >= target) { |
| 1247 | fix_needed = TRUE1; |
| 1248 | break; |
| 1249 | } |
| 1250 | source = target; |
| 1251 | if (acs_charstp-> Strings[146][n + 1]) |
| 1252 | n++; |
| 1253 | } |
| 1254 | if (fix_needed) { |
| 1255 | memset(mapped, 0, sizeof(mapped)); |
| 1256 | for (n = 0; acs_charstp-> Strings[146][n] != 0; n++) { |
| 1257 | source = UChar(acs_chars[n])((unsigned char)(tp-> Strings[146][n])); |
| 1258 | if ((target = (unsigned char) acs_charstp-> Strings[146][n + 1]) != 0) { |
| 1259 | mapped[source] = (char) target; |
| 1260 | n++; |
| 1261 | } else { |
| 1262 | extra = (char) source; |
| 1263 | } |
| 1264 | } |
| 1265 | for (n = m = 0; n < sizeof(mapped); n++) { |
| 1266 | if (mapped[n]) { |
| 1267 | acs_charstp-> Strings[146][m++] = (char) n; |
| 1268 | acs_charstp-> Strings[146][m++] = mapped[n]; |
| 1269 | } |
| 1270 | } |
| 1271 | if (extra) |
| 1272 | acs_charstp-> Strings[146][m++] = extra; /* garbage in, garbage out */ |
| 1273 | acs_charstp-> Strings[146][m] = 0; |
| 1274 | } |
| 1275 | } |
| 1276 | } |