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|---|
| a687059c |
1 | /* $Header: eval.c,v 3.0 89/10/18 15:17:04 lwall Locked $ |
| 2 | * |
| 3 | * Copyright (c) 1989, Larry Wall |
| 4 | * |
| 5 | * You may distribute under the terms of the GNU General Public License |
| 6 | * as specified in the README file that comes with the perl 3.0 kit. |
| 378cc40b |
7 | * |
| 8 | * $Log: eval.c,v $ |
| a687059c |
9 | * Revision 3.0 89/10/18 15:17:04 lwall |
| 10 | * 3.0 baseline |
| 378cc40b |
11 | * |
| 12 | */ |
| 13 | |
| 14 | #include "EXTERN.h" |
| 15 | #include "perl.h" |
| 16 | |
| 17 | #include <signal.h> |
| 18 | #include <errno.h> |
| 19 | |
| a687059c |
20 | #ifdef I_VFORK |
| 21 | # include <vfork.h> |
| 22 | #endif |
| 23 | |
| 378cc40b |
24 | extern int errno; |
| 25 | |
| 26 | #ifdef VOIDSIG |
| 27 | static void (*ihand)(); |
| 28 | static void (*qhand)(); |
| 29 | #else |
| 30 | static int (*ihand)(); |
| 31 | static int (*qhand)(); |
| 32 | #endif |
| 33 | |
| 34 | ARG *debarg; |
| 35 | STR str_args; |
| a687059c |
36 | static STAB *stab2; |
| 37 | static STIO *stio; |
| 38 | static struct lstring *lstr; |
| 39 | static char old_record_separator; |
| 378cc40b |
40 | |
| a687059c |
41 | double sin(), cos(), atan2(), pow(); |
| 42 | |
| 43 | char *getlogin(); |
| 44 | |
| 45 | extern int sys_nerr; |
| 46 | extern char *sys_errlist[]; |
| 47 | |
| 48 | int |
| 49 | eval(arg,gimme,sp) |
| 378cc40b |
50 | register ARG *arg; |
| a687059c |
51 | int gimme; |
| 52 | register int sp; |
| 378cc40b |
53 | { |
| 54 | register STR *str; |
| 55 | register int anum; |
| 56 | register int optype; |
| a687059c |
57 | register STR **st; |
| 378cc40b |
58 | int maxarg; |
| 378cc40b |
59 | double value; |
| 378cc40b |
60 | register char *tmps; |
| 61 | char *tmps2; |
| 62 | int argflags; |
| 63 | int argtype; |
| 64 | union argptr argptr; |
| a687059c |
65 | int arglast[8]; /* highest sp for arg--valid only for non-O_LIST args */ |
| 378cc40b |
66 | unsigned long tmplong; |
| 67 | long when; |
| 68 | FILE *fp; |
| 69 | STR *tmpstr; |
| 70 | FCMD *form; |
| 71 | STAB *stab; |
| 72 | ARRAY *ary; |
| 73 | bool assigning = FALSE; |
| 74 | double exp(), log(), sqrt(), modf(); |
| 75 | char *crypt(), *getenv(); |
| a687059c |
76 | extern void grow_dlevel(); |
| 378cc40b |
77 | |
| 78 | if (!arg) |
| a687059c |
79 | goto say_undef; |
| 378cc40b |
80 | optype = arg->arg_type; |
| a687059c |
81 | maxarg = arg->arg_len; |
| 82 | arglast[0] = sp; |
| 83 | str = arg->arg_ptr.arg_str; |
| 84 | if (sp + maxarg > stack->ary_max) |
| 85 | astore(stack, sp + maxarg, Nullstr); |
| 86 | st = stack->ary_array; |
| 87 | |
| 378cc40b |
88 | #ifdef DEBUGGING |
| 89 | if (debug) { |
| 90 | if (debug & 8) { |
| 91 | deb("%s (%lx) %d args:\n",opname[optype],arg,maxarg); |
| 92 | } |
| 93 | debname[dlevel] = opname[optype][0]; |
| a687059c |
94 | debdelim[dlevel] = ':'; |
| 95 | if (++dlevel >= dlmax) |
| 96 | grow_dlevel(); |
| 378cc40b |
97 | } |
| 98 | #endif |
| 378cc40b |
99 | |
| a687059c |
100 | #include "evalargs.xc" |
| 101 | |
| 102 | st += arglast[0]; |
| 378cc40b |
103 | switch (optype) { |
| a687059c |
104 | case O_RCAT: |
| 105 | STABSET(str); |
| 106 | break; |
| 378cc40b |
107 | case O_ITEM: |
| a687059c |
108 | if (gimme == G_ARRAY) |
| 378cc40b |
109 | goto array_return; |
| a687059c |
110 | STR_SSET(str,st[1]); |
| 378cc40b |
111 | STABSET(str); |
| 112 | break; |
| 113 | case O_ITEM2: |
| a687059c |
114 | if (gimme == G_ARRAY) |
| 115 | goto array_return; |
| 116 | --anum; |
| 117 | STR_SSET(str,st[arglast[anum]-arglast[0]]); |
| 378cc40b |
118 | STABSET(str); |
| 119 | break; |
| 120 | case O_ITEM3: |
| a687059c |
121 | if (gimme == G_ARRAY) |
| 122 | goto array_return; |
| 123 | --anum; |
| 124 | STR_SSET(str,st[arglast[anum]-arglast[0]]); |
| 378cc40b |
125 | STABSET(str); |
| 126 | break; |
| 127 | case O_CONCAT: |
| a687059c |
128 | STR_SSET(str,st[1]); |
| 129 | str_scat(str,st[2]); |
| 378cc40b |
130 | STABSET(str); |
| 131 | break; |
| 132 | case O_REPEAT: |
| a687059c |
133 | STR_SSET(str,st[1]); |
| 134 | anum = (int)str_gnum(st[2]); |
| 378cc40b |
135 | if (anum >= 1) { |
| a687059c |
136 | tmpstr = Str_new(50,0); |
| 378cc40b |
137 | str_sset(tmpstr,str); |
| 138 | while (--anum > 0) |
| 139 | str_scat(str,tmpstr); |
| 140 | } |
| 141 | else |
| 142 | str_sset(str,&str_no); |
| 143 | STABSET(str); |
| 144 | break; |
| 145 | case O_MATCH: |
| a687059c |
146 | sp = do_match(str,arg, |
| 147 | gimme,arglast); |
| 148 | if (gimme == G_ARRAY) |
| 378cc40b |
149 | goto array_return; |
| 378cc40b |
150 | STABSET(str); |
| 151 | break; |
| 152 | case O_NMATCH: |
| a687059c |
153 | sp = do_match(str,arg, |
| 154 | gimme,arglast); |
| 155 | if (gimme == G_ARRAY) |
| 156 | goto array_return; |
| 157 | str_sset(str, str_true(str) ? &str_no : &str_yes); |
| 378cc40b |
158 | STABSET(str); |
| 159 | break; |
| 160 | case O_SUBST: |
| a687059c |
161 | sp = do_subst(str,arg,arglast[0]); |
| 162 | goto array_return; |
| 378cc40b |
163 | case O_NSUBST: |
| a687059c |
164 | sp = do_subst(str,arg,arglast[0]); |
| 378cc40b |
165 | str = arg->arg_ptr.arg_str; |
| a687059c |
166 | str_set(str, str_true(str) ? No : Yes); |
| 167 | goto array_return; |
| 378cc40b |
168 | case O_ASSIGN: |
| a687059c |
169 | if (arg[1].arg_flags & AF_ARYOK) { |
| 170 | if (arg->arg_len == 1) { |
| 171 | arg->arg_type = O_LOCAL; |
| 172 | arg->arg_flags |= AF_LOCAL; |
| 173 | goto local; |
| 174 | } |
| 175 | else { |
| 176 | arg->arg_type = O_AASSIGN; |
| 177 | goto aassign; |
| 178 | } |
| 179 | } |
| 378cc40b |
180 | else { |
| a687059c |
181 | arg->arg_type = O_SASSIGN; |
| 182 | goto sassign; |
| 378cc40b |
183 | } |
| a687059c |
184 | case O_LOCAL: |
| 185 | local: |
| 186 | arglast[2] = arglast[1]; /* push a null array */ |
| 187 | /* FALL THROUGH */ |
| 188 | case O_AASSIGN: |
| 189 | aassign: |
| 190 | sp = do_assign(arg, |
| 191 | gimme,arglast); |
| 192 | goto array_return; |
| 193 | case O_SASSIGN: |
| 194 | sassign: |
| 195 | STR_SSET(str, st[2]); |
| 196 | STABSET(str); |
| 378cc40b |
197 | break; |
| 198 | case O_CHOP: |
| a687059c |
199 | st -= arglast[0]; |
| 378cc40b |
200 | str = arg->arg_ptr.arg_str; |
| a687059c |
201 | for (sp = arglast[0] + 1; sp <= arglast[1]; sp++) |
| 202 | do_chop(str,st[sp]); |
| 203 | st += arglast[0]; |
| 378cc40b |
204 | break; |
| a687059c |
205 | case O_DEFINED: |
| 206 | if (arg[1].arg_type & A_DONT) { |
| 207 | sp = do_defined(str,arg, |
| 208 | gimme,arglast); |
| 209 | goto array_return; |
| 210 | } |
| 211 | else if (str->str_pok || str->str_nok) |
| 212 | goto say_yes; |
| 213 | goto say_no; |
| 214 | case O_UNDEF: |
| 215 | if (arg[1].arg_type & A_DONT) { |
| 216 | sp = do_undef(str,arg, |
| 217 | gimme,arglast); |
| 218 | goto array_return; |
| 219 | } |
| 220 | else if (str != stab_val(defstab)) { |
| 221 | str->str_pok = str->str_nok = 0; |
| 222 | STABSET(str); |
| 223 | } |
| 224 | goto say_undef; |
| 378cc40b |
225 | case O_STUDY: |
| a687059c |
226 | sp = do_study(str,arg, |
| 227 | gimme,arglast); |
| 228 | goto array_return; |
| 229 | case O_POW: |
| 230 | value = str_gnum(st[1]); |
| 231 | value = pow(value,str_gnum(st[2])); |
| 378cc40b |
232 | goto donumset; |
| 233 | case O_MULTIPLY: |
| a687059c |
234 | value = str_gnum(st[1]); |
| 235 | value *= str_gnum(st[2]); |
| 378cc40b |
236 | goto donumset; |
| 237 | case O_DIVIDE: |
| a687059c |
238 | if ((value = str_gnum(st[2])) == 0.0) |
| 378cc40b |
239 | fatal("Illegal division by zero"); |
| a687059c |
240 | value = str_gnum(st[1]) / value; |
| 378cc40b |
241 | goto donumset; |
| 242 | case O_MODULO: |
| a687059c |
243 | tmplong = (long) str_gnum(st[2]); |
| 244 | if (tmplong == 0L) |
| 378cc40b |
245 | fatal("Illegal modulus zero"); |
| a687059c |
246 | when = (long)str_gnum(st[1]); |
| 247 | #ifndef lint |
| 248 | if (when >= 0) |
| 249 | value = (double)(when % tmplong); |
| 250 | else |
| 251 | value = (double)(tmplong - (-when % tmplong)); |
| 252 | #endif |
| 378cc40b |
253 | goto donumset; |
| 254 | case O_ADD: |
| a687059c |
255 | value = str_gnum(st[1]); |
| 256 | value += str_gnum(st[2]); |
| 378cc40b |
257 | goto donumset; |
| 258 | case O_SUBTRACT: |
| a687059c |
259 | value = str_gnum(st[1]); |
| 260 | value -= str_gnum(st[2]); |
| 378cc40b |
261 | goto donumset; |
| 262 | case O_LEFT_SHIFT: |
| a687059c |
263 | value = str_gnum(st[1]); |
| 264 | anum = (int)str_gnum(st[2]); |
| 265 | #ifndef lint |
| 266 | value = (double)(((long)value) << anum); |
| 267 | #endif |
| 378cc40b |
268 | goto donumset; |
| 269 | case O_RIGHT_SHIFT: |
| a687059c |
270 | value = str_gnum(st[1]); |
| 271 | anum = (int)str_gnum(st[2]); |
| 272 | #ifndef lint |
| 273 | value = (double)(((long)value) >> anum); |
| 274 | #endif |
| 378cc40b |
275 | goto donumset; |
| 276 | case O_LT: |
| a687059c |
277 | value = str_gnum(st[1]); |
| 278 | value = (value < str_gnum(st[2])) ? 1.0 : 0.0; |
| 378cc40b |
279 | goto donumset; |
| 280 | case O_GT: |
| a687059c |
281 | value = str_gnum(st[1]); |
| 282 | value = (value > str_gnum(st[2])) ? 1.0 : 0.0; |
| 378cc40b |
283 | goto donumset; |
| 284 | case O_LE: |
| a687059c |
285 | value = str_gnum(st[1]); |
| 286 | value = (value <= str_gnum(st[2])) ? 1.0 : 0.0; |
| 378cc40b |
287 | goto donumset; |
| 288 | case O_GE: |
| a687059c |
289 | value = str_gnum(st[1]); |
| 290 | value = (value >= str_gnum(st[2])) ? 1.0 : 0.0; |
| 378cc40b |
291 | goto donumset; |
| 292 | case O_EQ: |
| a687059c |
293 | if (dowarn) { |
| 294 | if ((!st[1]->str_nok && !looks_like_number(st[1])) || |
| 295 | (!st[2]->str_nok && !looks_like_number(st[2])) ) |
| 296 | warn("Possible use of == on string value"); |
| 297 | } |
| 298 | value = str_gnum(st[1]); |
| 299 | value = (value == str_gnum(st[2])) ? 1.0 : 0.0; |
| 378cc40b |
300 | goto donumset; |
| 301 | case O_NE: |
| a687059c |
302 | value = str_gnum(st[1]); |
| 303 | value = (value != str_gnum(st[2])) ? 1.0 : 0.0; |
| 378cc40b |
304 | goto donumset; |
| 305 | case O_BIT_AND: |
| a687059c |
306 | if (!sawvec || st[1]->str_nok || st[2]->str_nok) { |
| 307 | value = str_gnum(st[1]); |
| 308 | #ifndef lint |
| 309 | value = (double)(((long)value) & (long)str_gnum(st[2])); |
| 310 | #endif |
| 311 | goto donumset; |
| 312 | } |
| 313 | else |
| 314 | do_vop(optype,str,st[1],st[2]); |
| 315 | break; |
| 378cc40b |
316 | case O_XOR: |
| a687059c |
317 | if (!sawvec || st[1]->str_nok || st[2]->str_nok) { |
| 318 | value = str_gnum(st[1]); |
| 319 | #ifndef lint |
| 320 | value = (double)(((long)value) ^ (long)str_gnum(st[2])); |
| 321 | #endif |
| 322 | goto donumset; |
| 323 | } |
| 324 | else |
| 325 | do_vop(optype,str,st[1],st[2]); |
| 326 | break; |
| 378cc40b |
327 | case O_BIT_OR: |
| a687059c |
328 | if (!sawvec || st[1]->str_nok || st[2]->str_nok) { |
| 329 | value = str_gnum(st[1]); |
| 330 | #ifndef lint |
| 331 | value = (double)(((long)value) | (long)str_gnum(st[2])); |
| 332 | #endif |
| 333 | goto donumset; |
| 334 | } |
| 335 | else |
| 336 | do_vop(optype,str,st[1],st[2]); |
| 337 | break; |
| 338 | /* use register in evaluating str_true() */ |
| 378cc40b |
339 | case O_AND: |
| a687059c |
340 | if (str_true(st[1])) { |
| 378cc40b |
341 | anum = 2; |
| 342 | optype = O_ITEM2; |
| 343 | argflags = arg[anum].arg_flags; |
| a687059c |
344 | if (gimme == G_ARRAY) |
| 345 | argflags |= AF_ARYOK; |
| 346 | argtype = arg[anum].arg_type & A_MASK; |
| 378cc40b |
347 | argptr = arg[anum].arg_ptr; |
| 348 | maxarg = anum = 1; |
| a687059c |
349 | sp = arglast[0]; |
| 350 | st -= sp; |
| 378cc40b |
351 | goto re_eval; |
| 352 | } |
| 353 | else { |
| 354 | if (assigning) { |
| a687059c |
355 | str_sset(str, st[1]); |
| 378cc40b |
356 | STABSET(str); |
| 357 | } |
| 358 | else |
| a687059c |
359 | str = st[1]; |
| 378cc40b |
360 | break; |
| 361 | } |
| 362 | case O_OR: |
| a687059c |
363 | if (str_true(st[1])) { |
| 378cc40b |
364 | if (assigning) { |
| a687059c |
365 | str_sset(str, st[1]); |
| 378cc40b |
366 | STABSET(str); |
| 367 | } |
| 368 | else |
| a687059c |
369 | str = st[1]; |
| 378cc40b |
370 | break; |
| 371 | } |
| 372 | else { |
| 373 | anum = 2; |
| 374 | optype = O_ITEM2; |
| 375 | argflags = arg[anum].arg_flags; |
| a687059c |
376 | if (gimme == G_ARRAY) |
| 377 | argflags |= AF_ARYOK; |
| 378 | argtype = arg[anum].arg_type & A_MASK; |
| 378cc40b |
379 | argptr = arg[anum].arg_ptr; |
| 380 | maxarg = anum = 1; |
| a687059c |
381 | sp = arglast[0]; |
| 382 | st -= sp; |
| 378cc40b |
383 | goto re_eval; |
| 384 | } |
| 385 | case O_COND_EXPR: |
| a687059c |
386 | anum = (str_true(st[1]) ? 2 : 3); |
| 378cc40b |
387 | optype = (anum == 2 ? O_ITEM2 : O_ITEM3); |
| 388 | argflags = arg[anum].arg_flags; |
| a687059c |
389 | if (gimme == G_ARRAY) |
| 390 | argflags |= AF_ARYOK; |
| 391 | argtype = arg[anum].arg_type & A_MASK; |
| 378cc40b |
392 | argptr = arg[anum].arg_ptr; |
| 393 | maxarg = anum = 1; |
| a687059c |
394 | sp = arglast[0]; |
| 395 | st -= sp; |
| 378cc40b |
396 | goto re_eval; |
| 397 | case O_COMMA: |
| a687059c |
398 | if (gimme == G_ARRAY) |
| 399 | goto array_return; |
| 400 | str = st[2]; |
| 378cc40b |
401 | break; |
| 402 | case O_NEGATE: |
| a687059c |
403 | value = -str_gnum(st[1]); |
| 378cc40b |
404 | goto donumset; |
| 405 | case O_NOT: |
| a687059c |
406 | value = (double) !str_true(st[1]); |
| 378cc40b |
407 | goto donumset; |
| 408 | case O_COMPLEMENT: |
| a687059c |
409 | #ifndef lint |
| 410 | value = (double) ~(long)str_gnum(st[1]); |
| 411 | #endif |
| 378cc40b |
412 | goto donumset; |
| 413 | case O_SELECT: |
| a687059c |
414 | tmps = stab_name(defoutstab); |
| 415 | if (maxarg > 0) { |
| 416 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 417 | defoutstab = arg[1].arg_ptr.arg_stab; |
| 418 | else |
| 419 | defoutstab = stabent(str_get(st[1]),TRUE); |
| 420 | if (!stab_io(defoutstab)) |
| 421 | stab_io(defoutstab) = stio_new(); |
| 422 | curoutstab = defoutstab; |
| 423 | } |
| 424 | str_set(str, tmps); |
| 378cc40b |
425 | STABSET(str); |
| 426 | break; |
| 427 | case O_WRITE: |
| 428 | if (maxarg == 0) |
| 429 | stab = defoutstab; |
| a687059c |
430 | else if ((arg[1].arg_type & A_MASK) == A_WORD) { |
| 431 | if (!(stab = arg[1].arg_ptr.arg_stab)) |
| 432 | stab = defoutstab; |
| 433 | } |
| 378cc40b |
434 | else |
| a687059c |
435 | stab = stabent(str_get(st[1]),TRUE); |
| 436 | if (!stab_io(stab)) { |
| 378cc40b |
437 | str_set(str, No); |
| 438 | STABSET(str); |
| 439 | break; |
| 440 | } |
| 441 | curoutstab = stab; |
| a687059c |
442 | fp = stab_io(stab)->ofp; |
| 378cc40b |
443 | debarg = arg; |
| a687059c |
444 | if (stab_io(stab)->fmt_stab) |
| 445 | form = stab_form(stab_io(stab)->fmt_stab); |
| 378cc40b |
446 | else |
| a687059c |
447 | form = stab_form(stab); |
| 378cc40b |
448 | if (!form || !fp) { |
| a687059c |
449 | if (dowarn) { |
| 450 | if (form) |
| 451 | warn("No format for filehandle"); |
| 452 | else { |
| 453 | if (stab_io(stab)->ifp) |
| 454 | warn("Filehandle only opened for input"); |
| 455 | else |
| 456 | warn("Write on closed filehandle"); |
| 457 | } |
| 458 | } |
| 378cc40b |
459 | str_set(str, No); |
| 460 | STABSET(str); |
| 461 | break; |
| 462 | } |
| a687059c |
463 | format(&outrec,form,sp); |
| 464 | do_write(&outrec,stab_io(stab),sp); |
| 465 | if (stab_io(stab)->flags & IOF_FLUSH) |
| 466 | (void)fflush(fp); |
| 378cc40b |
467 | str_set(str, Yes); |
| 468 | STABSET(str); |
| 469 | break; |
| a687059c |
470 | case O_DBMOPEN: |
| 471 | #ifdef SOME_DBM |
| 472 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 473 | stab = arg[1].arg_ptr.arg_stab; |
| 474 | else |
| 475 | stab = stabent(str_get(st[1]),TRUE); |
| 476 | anum = (int)str_gnum(st[3]); |
| 477 | value = (double)hdbmopen(stab_hash(stab),str_get(st[2]),anum); |
| 478 | goto donumset; |
| 479 | #else |
| 480 | fatal("No dbm or ndbm on this machine"); |
| 481 | #endif |
| 482 | case O_DBMCLOSE: |
| 483 | #ifdef SOME_DBM |
| 484 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 485 | stab = arg[1].arg_ptr.arg_stab; |
| 486 | else |
| 487 | stab = stabent(str_get(st[1]),TRUE); |
| 488 | hdbmclose(stab_hash(stab)); |
| 489 | goto say_yes; |
| 490 | #else |
| 491 | fatal("No dbm or ndbm on this machine"); |
| 492 | #endif |
| 378cc40b |
493 | case O_OPEN: |
| a687059c |
494 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 378cc40b |
495 | stab = arg[1].arg_ptr.arg_stab; |
| 496 | else |
| a687059c |
497 | stab = stabent(str_get(st[1]),TRUE); |
| 498 | if (do_open(stab,str_get(st[2]))) { |
| 378cc40b |
499 | value = (double)forkprocess; |
| a687059c |
500 | stab_io(stab)->lines = 0; |
| 378cc40b |
501 | goto donumset; |
| 502 | } |
| 503 | else |
| a687059c |
504 | goto say_undef; |
| 378cc40b |
505 | break; |
| 506 | case O_TRANS: |
| 507 | value = (double) do_trans(str,arg); |
| 508 | str = arg->arg_ptr.arg_str; |
| 509 | goto donumset; |
| 510 | case O_NTRANS: |
| 511 | str_set(arg->arg_ptr.arg_str, do_trans(str,arg) == 0 ? Yes : No); |
| 512 | str = arg->arg_ptr.arg_str; |
| 513 | break; |
| 514 | case O_CLOSE: |
| a687059c |
515 | if (maxarg == 0) |
| 516 | stab = defoutstab; |
| 517 | else if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 378cc40b |
518 | stab = arg[1].arg_ptr.arg_stab; |
| 519 | else |
| a687059c |
520 | stab = stabent(str_get(st[1]),TRUE); |
| 378cc40b |
521 | str_set(str, do_close(stab,TRUE) ? Yes : No ); |
| 522 | STABSET(str); |
| 523 | break; |
| 524 | case O_EACH: |
| a687059c |
525 | sp = do_each(str,stab_hash(arg[1].arg_ptr.arg_stab), |
| 526 | gimme,arglast); |
| 527 | goto array_return; |
| 378cc40b |
528 | case O_VALUES: |
| 529 | case O_KEYS: |
| a687059c |
530 | sp = do_kv(str,stab_hash(arg[1].arg_ptr.arg_stab), optype, |
| 531 | gimme,arglast); |
| 532 | goto array_return; |
| 533 | case O_LARRAY: |
| 534 | str->str_nok = str->str_pok = 0; |
| 535 | str->str_u.str_stab = arg[1].arg_ptr.arg_stab; |
| 536 | str->str_state = SS_ARY; |
| 537 | break; |
| 378cc40b |
538 | case O_ARRAY: |
| a687059c |
539 | ary = stab_array(arg[1].arg_ptr.arg_stab); |
| 540 | maxarg = ary->ary_fill + 1; |
| 541 | if (gimme == G_ARRAY) { /* array wanted */ |
| 542 | sp = arglast[0]; |
| 543 | st -= sp; |
| 544 | if (maxarg > 0 && sp + maxarg > stack->ary_max) { |
| 545 | astore(stack,sp + maxarg, Nullstr); |
| 546 | st = stack->ary_array; |
| 378cc40b |
547 | } |
| a687059c |
548 | Copy(ary->ary_array, &st[sp+1], maxarg, STR*); |
| 549 | sp += maxarg; |
| 550 | goto array_return; |
| 378cc40b |
551 | } |
| 552 | else |
| a687059c |
553 | str = afetch(ary,maxarg - 1,FALSE); |
| 554 | break; |
| 555 | case O_AELEM: |
| 556 | str = afetch(stab_array(arg[1].arg_ptr.arg_stab), |
| 557 | ((int)str_gnum(st[2])) - arybase,FALSE); |
| 378cc40b |
558 | if (!str) |
| a687059c |
559 | goto say_undef; |
| 378cc40b |
560 | break; |
| 561 | case O_DELETE: |
| a687059c |
562 | tmpstab = arg[1].arg_ptr.arg_stab; |
| 563 | tmps = str_get(st[2]); |
| 564 | str = hdelete(stab_hash(tmpstab),tmps,st[2]->str_cur); |
| 565 | if (tmpstab == envstab) |
| 566 | setenv(tmps,Nullch); |
| 378cc40b |
567 | if (!str) |
| a687059c |
568 | goto say_undef; |
| 569 | break; |
| 570 | case O_LHASH: |
| 571 | str->str_nok = str->str_pok = 0; |
| 572 | str->str_u.str_stab = arg[1].arg_ptr.arg_stab; |
| 573 | str->str_state = SS_HASH; |
| 378cc40b |
574 | break; |
| 575 | case O_HASH: |
| a687059c |
576 | if (gimme == G_ARRAY) { /* array wanted */ |
| 577 | sp = do_kv(str,stab_hash(arg[1].arg_ptr.arg_stab), optype, |
| 578 | gimme,arglast); |
| 579 | goto array_return; |
| 580 | } |
| 581 | else { |
| 582 | tmpstab = arg[1].arg_ptr.arg_stab; |
| 583 | sprintf(buf,"%d/%d",stab_hash(tmpstab)->tbl_fill, |
| 584 | stab_hash(tmpstab)->tbl_max+1); |
| 585 | str_set(str,buf); |
| 586 | } |
| 587 | break; |
| 588 | case O_HELEM: |
| 589 | tmpstab = arg[1].arg_ptr.arg_stab; |
| 590 | tmps = str_get(st[2]); |
| 591 | str = hfetch(stab_hash(tmpstab),tmps,st[2]->str_cur,FALSE); |
| 378cc40b |
592 | if (!str) |
| a687059c |
593 | goto say_undef; |
| 378cc40b |
594 | break; |
| a687059c |
595 | case O_LAELEM: |
| 596 | anum = ((int)str_gnum(st[2])) - arybase; |
| 597 | str = afetch(stab_array(arg[1].arg_ptr.arg_stab),anum,TRUE); |
| 598 | if (!str) |
| 599 | fatal("Assignment to non-creatable value, subscript %d",anum); |
| 378cc40b |
600 | break; |
| a687059c |
601 | case O_LHELEM: |
| 602 | tmpstab = arg[1].arg_ptr.arg_stab; |
| 603 | tmps = str_get(st[2]); |
| 604 | anum = st[2]->str_cur; |
| 605 | str = hfetch(stab_hash(tmpstab),tmps,anum,TRUE); |
| 606 | if (!str) |
| 607 | fatal("Assignment to non-creatable value, subscript \"%s\"",tmps); |
| 608 | if (tmpstab == envstab) /* heavy wizardry going on here */ |
| 609 | str_magic(str, tmpstab, 'E', tmps, anum); /* str is now magic */ |
| 378cc40b |
610 | /* he threw the brick up into the air */ |
| a687059c |
611 | else if (tmpstab == sigstab) |
| 612 | str_magic(str, tmpstab, 'S', tmps, anum); |
| 613 | #ifdef SOME_DBM |
| 614 | else if (stab_hash(tmpstab)->tbl_dbm) |
| 615 | str_magic(str, tmpstab, 'D', tmps, anum); |
| 616 | #endif |
| 378cc40b |
617 | break; |
| a687059c |
618 | case O_ASLICE: |
| 619 | anum = TRUE; |
| 620 | argtype = FALSE; |
| 621 | goto do_slice_already; |
| 622 | case O_HSLICE: |
| 623 | anum = FALSE; |
| 624 | argtype = FALSE; |
| 625 | goto do_slice_already; |
| 626 | case O_LASLICE: |
| 627 | anum = TRUE; |
| 628 | argtype = TRUE; |
| 629 | goto do_slice_already; |
| 630 | case O_LHSLICE: |
| 631 | anum = FALSE; |
| 632 | argtype = TRUE; |
| 633 | do_slice_already: |
| 634 | sp = do_slice(arg[1].arg_ptr.arg_stab,anum,argtype, |
| 635 | gimme,arglast); |
| 636 | goto array_return; |
| 378cc40b |
637 | case O_PUSH: |
| a687059c |
638 | if (arglast[2] - arglast[1] != 1) |
| 639 | str = do_push(stab_array(arg[1].arg_ptr.arg_stab),arglast); |
| 378cc40b |
640 | else { |
| a687059c |
641 | str = Str_new(51,0); /* must copy the STR */ |
| 642 | str_sset(str,st[2]); |
| 643 | (void)apush(stab_array(arg[1].arg_ptr.arg_stab),str); |
| 378cc40b |
644 | } |
| 645 | break; |
| 646 | case O_POP: |
| a687059c |
647 | str = apop(ary = stab_array(arg[1].arg_ptr.arg_stab)); |
| 648 | goto staticalization; |
| 378cc40b |
649 | case O_SHIFT: |
| a687059c |
650 | str = ashift(ary = stab_array(arg[1].arg_ptr.arg_stab)); |
| 651 | staticalization: |
| 652 | if (!str) |
| 653 | goto say_undef; |
| 654 | if (ary->ary_flags & ARF_REAL) |
| 655 | (void)str_2static(str); |
| 378cc40b |
656 | break; |
| a687059c |
657 | case O_UNPACK: |
| 658 | sp = do_unpack(str,gimme,arglast); |
| 659 | goto array_return; |
| 378cc40b |
660 | case O_SPLIT: |
| a687059c |
661 | value = str_gnum(st[3]); |
| 662 | sp = do_split(str, arg[2].arg_ptr.arg_spat, (int)value, |
| 663 | gimme,arglast); |
| 664 | goto array_return; |
| 378cc40b |
665 | case O_LENGTH: |
| a687059c |
666 | if (maxarg < 1) |
| 667 | value = (double)str_len(stab_val(defstab)); |
| 668 | else |
| 669 | value = (double)str_len(st[1]); |
| 378cc40b |
670 | goto donumset; |
| 671 | case O_SPRINTF: |
| a687059c |
672 | do_sprintf(str, sp-arglast[0], st+1); |
| 378cc40b |
673 | break; |
| 674 | case O_SUBSTR: |
| a687059c |
675 | anum = ((int)str_gnum(st[2])) - arybase; /* anum=where to start*/ |
| 676 | tmps = str_get(st[1]); /* force conversion to string */ |
| 677 | if (argtype = (str == st[1])) |
| 678 | str = arg->arg_ptr.arg_str; |
| 679 | if (anum < 0) |
| 680 | anum += st[1]->str_cur + arybase; |
| 681 | if (anum < 0 || anum > st[1]->str_cur) |
| 682 | str_nset(str,"",0); |
| 683 | else { |
| 684 | optype = (int)str_gnum(st[3]); |
| 685 | if (optype < 0) |
| 686 | optype = 0; |
| 687 | tmps += anum; |
| 688 | anum = st[1]->str_cur - anum; /* anum=how many bytes left*/ |
| 689 | if (anum > optype) |
| 690 | anum = optype; |
| 378cc40b |
691 | str_nset(str, tmps, anum); |
| a687059c |
692 | if (argtype) { /* it's an lvalue! */ |
| 693 | lstr = (struct lstring*)str; |
| 694 | str->str_magic = st[1]; |
| 695 | st[1]->str_rare = 's'; |
| 696 | lstr->lstr_offset = tmps - str_get(st[1]); |
| 697 | lstr->lstr_len = anum; |
| 698 | } |
| 699 | } |
| 700 | break; |
| 701 | case O_PACK: |
| 702 | (void)do_pack(str,arglast); |
| 378cc40b |
703 | break; |
| a687059c |
704 | case O_GREP: |
| 705 | sp = do_grep(arg,str,gimme,arglast); |
| 706 | goto array_return; |
| 378cc40b |
707 | case O_JOIN: |
| a687059c |
708 | do_join(str,arglast); |
| 378cc40b |
709 | break; |
| 710 | case O_SLT: |
| a687059c |
711 | tmps = str_get(st[1]); |
| 712 | value = (double) (str_cmp(st[1],st[2]) < 0); |
| 378cc40b |
713 | goto donumset; |
| 714 | case O_SGT: |
| a687059c |
715 | tmps = str_get(st[1]); |
| 716 | value = (double) (str_cmp(st[1],st[2]) > 0); |
| 378cc40b |
717 | goto donumset; |
| 718 | case O_SLE: |
| a687059c |
719 | tmps = str_get(st[1]); |
| 720 | value = (double) (str_cmp(st[1],st[2]) <= 0); |
| 378cc40b |
721 | goto donumset; |
| 722 | case O_SGE: |
| a687059c |
723 | tmps = str_get(st[1]); |
| 724 | value = (double) (str_cmp(st[1],st[2]) >= 0); |
| 378cc40b |
725 | goto donumset; |
| 726 | case O_SEQ: |
| a687059c |
727 | tmps = str_get(st[1]); |
| 728 | value = (double) str_eq(st[1],st[2]); |
| 378cc40b |
729 | goto donumset; |
| 730 | case O_SNE: |
| a687059c |
731 | tmps = str_get(st[1]); |
| 732 | value = (double) !str_eq(st[1],st[2]); |
| 378cc40b |
733 | goto donumset; |
| 734 | case O_SUBR: |
| a687059c |
735 | sp = do_subr(arg,gimme,arglast); |
| 736 | st = stack->ary_array + arglast[0]; /* maybe realloced */ |
| 737 | goto array_return; |
| 738 | case O_DBSUBR: |
| 739 | sp = do_dbsubr(arg,gimme,arglast); |
| 740 | st = stack->ary_array + arglast[0]; /* maybe realloced */ |
| 741 | goto array_return; |
| 378cc40b |
742 | case O_SORT: |
| a687059c |
743 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 744 | stab = arg[1].arg_ptr.arg_stab; |
| 745 | else |
| 746 | stab = stabent(str_get(st[1]),TRUE); |
| 747 | if (!stab) |
| 378cc40b |
748 | stab = defoutstab; |
| a687059c |
749 | sp = do_sort(str,stab, |
| 750 | gimme,arglast); |
| 751 | goto array_return; |
| 752 | case O_REVERSE: |
| 753 | sp = do_reverse(str, |
| 754 | gimme,arglast); |
| 755 | goto array_return; |
| 756 | case O_WARN: |
| 757 | if (arglast[2] - arglast[1] != 1) { |
| 758 | do_join(str,arglast); |
| 759 | tmps = str_get(st[1]); |
| 760 | } |
| 378cc40b |
761 | else { |
| a687059c |
762 | str = st[2]; |
| 763 | tmps = str_get(st[2]); |
| 378cc40b |
764 | } |
| a687059c |
765 | if (!tmps || !*tmps) |
| 766 | tmps = "Warning: something's wrong"; |
| 767 | warn("%s",tmps); |
| 768 | goto say_yes; |
| 769 | case O_DIE: |
| 770 | if (arglast[2] - arglast[1] != 1) { |
| 771 | do_join(str,arglast); |
| 772 | tmps = str_get(st[1]); |
| 378cc40b |
773 | } |
| a687059c |
774 | else { |
| 775 | str = st[2]; |
| 776 | tmps = str_get(st[2]); |
| 777 | } |
| 778 | if (!tmps || !*tmps) |
| 779 | exit(1); |
| 780 | fatal("%s",tmps); |
| 781 | goto say_zero; |
| 378cc40b |
782 | case O_PRTF: |
| 783 | case O_PRINT: |
| a687059c |
784 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 785 | stab = arg[1].arg_ptr.arg_stab; |
| 786 | else |
| 787 | stab = stabent(str_get(st[1]),TRUE); |
| 788 | if (!stab) |
| 378cc40b |
789 | stab = defoutstab; |
| a687059c |
790 | if (!stab_io(stab)) { |
| 791 | if (dowarn) |
| 792 | warn("Filehandle never opened"); |
| 793 | goto say_zero; |
| 794 | } |
| 795 | if (!(fp = stab_io(stab)->ofp)) { |
| 796 | if (dowarn) { |
| 797 | if (stab_io(stab)->ifp) |
| 798 | warn("Filehandle opened only for input"); |
| 799 | else |
| 800 | warn("Print on closed filehandle"); |
| 801 | } |
| 802 | goto say_zero; |
| 378cc40b |
803 | } |
| 378cc40b |
804 | else { |
| a687059c |
805 | if (optype == O_PRTF || arglast[2] - arglast[1] != 1) |
| 806 | value = (double)do_aprint(arg,fp,arglast); |
| 378cc40b |
807 | else { |
| a687059c |
808 | value = (double)do_print(st[2],fp); |
| 809 | if (orslen && optype == O_PRINT) |
| 810 | if (fwrite(ors, 1, orslen, fp) == 0) |
| 811 | goto say_zero; |
| 378cc40b |
812 | } |
| a687059c |
813 | if (stab_io(stab)->flags & IOF_FLUSH) |
| 814 | if (fflush(fp) == EOF) |
| 815 | goto say_zero; |
| 378cc40b |
816 | } |
| 817 | goto donumset; |
| 818 | case O_CHDIR: |
| a687059c |
819 | if (maxarg < 1) |
| 820 | tmps = str_get(stab_val(defstab)); |
| 821 | else |
| 822 | tmps = str_get(st[1]); |
| 823 | if (!tmps || !*tmps) { |
| 824 | tmpstr = hfetch(stab_hash(envstab),"HOME",4,FALSE); |
| 825 | if (tmpstr) |
| 826 | tmps = str_get(tmpstr); |
| 827 | } |
| 828 | if (!tmps || !*tmps) { |
| 829 | tmpstr = hfetch(stab_hash(envstab),"LOGDIR",6,FALSE); |
| 830 | if (tmpstr) |
| 831 | tmps = str_get(tmpstr); |
| 832 | } |
| 833 | #ifdef TAINT |
| 834 | taintproper("Insecure dependency in chdir"); |
| 835 | #endif |
| 378cc40b |
836 | value = (double)(chdir(tmps) >= 0); |
| 837 | goto donumset; |
| 378cc40b |
838 | case O_EXIT: |
| a687059c |
839 | if (maxarg < 1) |
| 840 | anum = 0; |
| 841 | else |
| 842 | anum = (int)str_gnum(st[1]); |
| 843 | exit(anum); |
| 844 | goto say_zero; |
| 378cc40b |
845 | case O_RESET: |
| a687059c |
846 | if (maxarg < 1) |
| 847 | tmps = ""; |
| 848 | else |
| 849 | tmps = str_get(st[1]); |
| 850 | str_reset(tmps,arg[2].arg_ptr.arg_hash); |
| 378cc40b |
851 | value = 1.0; |
| 852 | goto donumset; |
| 853 | case O_LIST: |
| a687059c |
854 | if (gimme == G_ARRAY) |
| 855 | goto array_return; |
| 378cc40b |
856 | if (maxarg > 0) |
| a687059c |
857 | str = st[sp - arglast[0]]; /* unwanted list, return last item */ |
| 378cc40b |
858 | else |
| a687059c |
859 | str = &str_undef; |
| 378cc40b |
860 | break; |
| 861 | case O_EOF: |
| 862 | if (maxarg <= 0) |
| 863 | stab = last_in_stab; |
| a687059c |
864 | else if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 378cc40b |
865 | stab = arg[1].arg_ptr.arg_stab; |
| 866 | else |
| a687059c |
867 | stab = stabent(str_get(st[1]),TRUE); |
| 378cc40b |
868 | str_set(str, do_eof(stab) ? Yes : No); |
| 869 | STABSET(str); |
| 870 | break; |
| a687059c |
871 | case O_GETC: |
| 378cc40b |
872 | if (maxarg <= 0) |
| a687059c |
873 | stab = stdinstab; |
| 874 | else if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 378cc40b |
875 | stab = arg[1].arg_ptr.arg_stab; |
| 876 | else |
| a687059c |
877 | stab = stabent(str_get(st[1]),TRUE); |
| 878 | if (do_eof(stab)) /* make sure we have fp with something */ |
| 879 | str_set(str, No); |
| 880 | else { |
| 881 | #ifdef TAINT |
| 882 | tainted = 1; |
| 883 | #endif |
| 884 | str_set(str," "); |
| 885 | *str->str_ptr = getc(stab_io(stab)->ifp); /* should never be EOF */ |
| 886 | } |
| 887 | STABSET(str); |
| 888 | break; |
| 889 | case O_TELL: |
| 890 | if (maxarg <= 0) |
| 891 | stab = last_in_stab; |
| 892 | else if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 893 | stab = arg[1].arg_ptr.arg_stab; |
| 894 | else |
| 895 | stab = stabent(str_get(st[1]),TRUE); |
| 896 | #ifndef lint |
| 897 | value = (double)do_tell(stab); |
| 898 | #else |
| 899 | (void)do_tell(stab); |
| 900 | #endif |
| 901 | goto donumset; |
| 902 | case O_RECV: |
| 903 | case O_READ: |
| 904 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 905 | stab = arg[1].arg_ptr.arg_stab; |
| 906 | else |
| 907 | stab = stabent(str_get(st[1]),TRUE); |
| 908 | tmps = str_get(st[2]); |
| 909 | anum = (int)str_gnum(st[3]); |
| 910 | STR_GROW(st[2], anum+1), (tmps = str_get(st[2])); /* sneaky */ |
| 911 | errno = 0; |
| 912 | if (!stab_io(stab) || !stab_io(stab)->ifp) |
| 913 | goto say_zero; |
| 914 | #ifdef SOCKET |
| 915 | else if (optype == O_RECV) { |
| 916 | argtype = sizeof buf; |
| 917 | optype = (int)str_gnum(st[4]); |
| 918 | anum = recvfrom(fileno(stab_io(stab)->ifp), tmps, anum, optype, |
| 919 | buf, &argtype); |
| 920 | if (anum >= 0) { |
| 921 | st[2]->str_cur = anum; |
| 922 | st[2]->str_ptr[anum] = '\0'; |
| 923 | str_nset(str,buf,argtype); |
| 924 | } |
| 925 | else |
| 926 | str_sset(str,&str_undef); |
| 927 | break; |
| 928 | } |
| 929 | else if (stab_io(stab)->type == 's') { |
| 930 | argtype = sizeof buf; |
| 931 | anum = recvfrom(fileno(stab_io(stab)->ifp), tmps, anum, 0, |
| 932 | buf, &argtype); |
| 933 | } |
| 934 | #else |
| 935 | else if (optype == O_RECV) |
| 936 | goto badsock; |
| 937 | #endif |
| 938 | else |
| 939 | anum = fread(tmps, 1, anum, stab_io(stab)->ifp); |
| 940 | if (anum < 0) |
| 941 | goto say_undef; |
| 942 | st[2]->str_cur = anum; |
| 943 | st[2]->str_ptr[anum] = '\0'; |
| 944 | value = (double)anum; |
| 945 | goto donumset; |
| 946 | case O_SEND: |
| 947 | #ifdef SOCKET |
| 948 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 949 | stab = arg[1].arg_ptr.arg_stab; |
| 950 | else |
| 951 | stab = stabent(str_get(st[1]),TRUE); |
| 952 | tmps = str_get(st[2]); |
| 953 | anum = (int)str_gnum(st[3]); |
| 954 | optype = sp - arglast[0]; |
| 955 | errno = 0; |
| 956 | if (optype > 4) |
| 957 | warn("Too many args on send"); |
| 958 | if (optype >= 4) { |
| 959 | tmps2 = str_get(st[4]); |
| 960 | anum = sendto(fileno(stab_io(stab)->ifp), tmps, st[2]->str_cur, |
| 961 | anum, tmps2, st[4]->str_cur); |
| 962 | } |
| 963 | else |
| 964 | anum = send(fileno(stab_io(stab)->ifp), tmps, st[2]->str_cur, anum); |
| 965 | if (anum < 0) |
| 966 | goto say_undef; |
| 967 | value = (double)anum; |
| 968 | goto donumset; |
| 969 | #else |
| 970 | goto badsock; |
| 971 | #endif |
| 972 | case O_SEEK: |
| 973 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 974 | stab = arg[1].arg_ptr.arg_stab; |
| 378cc40b |
975 | else |
| a687059c |
976 | stab = stabent(str_get(st[1]),TRUE); |
| 977 | value = str_gnum(st[2]); |
| 378cc40b |
978 | str_set(str, do_seek(stab, |
| a687059c |
979 | (long)value, (int)str_gnum(st[3]) ) ? Yes : No); |
| 378cc40b |
980 | STABSET(str); |
| 981 | break; |
| a687059c |
982 | case O_RETURN: |
| 983 | tmps = "SUB"; /* just fake up a "last SUB" */ |
| 984 | optype = O_LAST; |
| 985 | if (gimme == G_ARRAY) { |
| 986 | lastretstr = Nullstr; |
| 987 | lastspbase = arglast[1]; |
| 988 | lastsize = arglast[2] - arglast[1]; |
| 989 | } |
| 990 | else |
| 991 | lastretstr = str_static(st[arglast[2] - arglast[0]]); |
| 992 | goto dopop; |
| 378cc40b |
993 | case O_REDO: |
| 994 | case O_NEXT: |
| 995 | case O_LAST: |
| 996 | if (maxarg > 0) { |
| a687059c |
997 | tmps = str_get(arg[1].arg_ptr.arg_str); |
| 998 | dopop: |
| 378cc40b |
999 | while (loop_ptr >= 0 && (!loop_stack[loop_ptr].loop_label || |
| 1000 | strNE(tmps,loop_stack[loop_ptr].loop_label) )) { |
| 1001 | #ifdef DEBUGGING |
| 1002 | if (debug & 4) { |
| 1003 | deb("(Skipping label #%d %s)\n",loop_ptr, |
| 1004 | loop_stack[loop_ptr].loop_label); |
| 1005 | } |
| 1006 | #endif |
| 1007 | loop_ptr--; |
| 1008 | } |
| 1009 | #ifdef DEBUGGING |
| 1010 | if (debug & 4) { |
| 1011 | deb("(Found label #%d %s)\n",loop_ptr, |
| 1012 | loop_stack[loop_ptr].loop_label); |
| 1013 | } |
| 1014 | #endif |
| 1015 | } |
| 1016 | if (loop_ptr < 0) |
| 1017 | fatal("Bad label: %s", maxarg > 0 ? tmps : "<null>"); |
| a687059c |
1018 | if (!lastretstr && optype == O_LAST && lastsize) { |
| 1019 | st -= arglast[0]; |
| 1020 | st += lastspbase + 1; |
| 1021 | optype = loop_stack[loop_ptr].loop_sp - lastspbase; /* negative */ |
| 1022 | if (optype) { |
| 1023 | for (anum = lastsize; anum > 0; anum--,st++) |
| 1024 | st[optype] = str_static(st[0]); |
| 1025 | } |
| 1026 | longjmp(loop_stack[loop_ptr].loop_env, O_LAST); |
| 1027 | } |
| 378cc40b |
1028 | longjmp(loop_stack[loop_ptr].loop_env, optype); |
| a687059c |
1029 | case O_DUMP: |
| 378cc40b |
1030 | case O_GOTO:/* shudder */ |
| a687059c |
1031 | goto_targ = str_get(arg[1].arg_ptr.arg_str); |
| 1032 | if (!*goto_targ) |
| 1033 | goto_targ = Nullch; /* just restart from top */ |
| 1034 | if (optype == O_DUMP) { |
| 1035 | do_undump = 1; |
| 1036 | abort(); |
| 1037 | } |
| 378cc40b |
1038 | longjmp(top_env, 1); |
| 1039 | case O_INDEX: |
| a687059c |
1040 | tmps = str_get(st[1]); |
| 1041 | #ifndef lint |
| 1042 | if (!(tmps2 = fbminstr((unsigned char*)tmps, |
| 1043 | (unsigned char*)tmps + st[1]->str_cur, st[2]))) |
| 1044 | #else |
| 1045 | if (tmps2 = fbminstr(Null(unsigned char*),Null(unsigned char*),Nullstr)) |
| 1046 | #endif |
| 1047 | value = (double)(-1 + arybase); |
| 1048 | else |
| 1049 | value = (double)(tmps2 - tmps + arybase); |
| 1050 | goto donumset; |
| 1051 | case O_RINDEX: |
| 1052 | tmps = str_get(st[1]); |
| 1053 | tmps2 = str_get(st[2]); |
| 1054 | #ifndef lint |
| 1055 | if (!(tmps2 = rninstr(tmps, tmps + st[1]->str_cur, |
| 1056 | tmps2, tmps2 + st[2]->str_cur))) |
| 1057 | #else |
| 1058 | if (tmps2 = rninstr(Nullch,Nullch,Nullch,Nullch)) |
| 1059 | #endif |
| 378cc40b |
1060 | value = (double)(-1 + arybase); |
| 1061 | else |
| 1062 | value = (double)(tmps2 - tmps + arybase); |
| 1063 | goto donumset; |
| 1064 | case O_TIME: |
| a687059c |
1065 | #ifndef lint |
| 378cc40b |
1066 | value = (double) time(Null(long*)); |
| a687059c |
1067 | #endif |
| 378cc40b |
1068 | goto donumset; |
| 1069 | case O_TMS: |
| a687059c |
1070 | sp = do_tms(str,gimme,arglast); |
| 1071 | goto array_return; |
| 378cc40b |
1072 | case O_LOCALTIME: |
| a687059c |
1073 | if (maxarg < 1) |
| 1074 | (void)time(&when); |
| 1075 | else |
| 1076 | when = (long)str_gnum(st[1]); |
| 1077 | sp = do_time(str,localtime(&when), |
| 1078 | gimme,arglast); |
| 1079 | goto array_return; |
| 378cc40b |
1080 | case O_GMTIME: |
| a687059c |
1081 | if (maxarg < 1) |
| 1082 | (void)time(&when); |
| 1083 | else |
| 1084 | when = (long)str_gnum(st[1]); |
| 1085 | sp = do_time(str,gmtime(&when), |
| 1086 | gimme,arglast); |
| 1087 | goto array_return; |
| 1088 | case O_LSTAT: |
| 378cc40b |
1089 | case O_STAT: |
| a687059c |
1090 | sp = do_stat(str,arg, |
| 1091 | gimme,arglast); |
| 1092 | goto array_return; |
| 378cc40b |
1093 | case O_CRYPT: |
| 1094 | #ifdef CRYPT |
| a687059c |
1095 | tmps = str_get(st[1]); |
| 1096 | #ifdef FCRYPT |
| 1097 | str_set(str,fcrypt(tmps,str_get(st[2]))); |
| 1098 | #else |
| 1099 | str_set(str,crypt(tmps,str_get(st[2]))); |
| 1100 | #endif |
| 378cc40b |
1101 | #else |
| 1102 | fatal( |
| 1103 | "The crypt() function is unimplemented due to excessive paranoia."); |
| 1104 | #endif |
| 1105 | break; |
| a687059c |
1106 | case O_ATAN2: |
| 1107 | value = str_gnum(st[1]); |
| 1108 | value = atan2(value,str_gnum(st[2])); |
| 1109 | goto donumset; |
| 1110 | case O_SIN: |
| 1111 | if (maxarg < 1) |
| 1112 | value = str_gnum(stab_val(defstab)); |
| 1113 | else |
| 1114 | value = str_gnum(st[1]); |
| 1115 | value = sin(value); |
| 1116 | goto donumset; |
| 1117 | case O_COS: |
| 1118 | if (maxarg < 1) |
| 1119 | value = str_gnum(stab_val(defstab)); |
| 1120 | else |
| 1121 | value = str_gnum(st[1]); |
| 1122 | value = cos(value); |
| 1123 | goto donumset; |
| 1124 | case O_RAND: |
| 1125 | if (maxarg < 1) |
| 1126 | value = 1.0; |
| 1127 | else |
| 1128 | value = str_gnum(st[1]); |
| 1129 | if (value == 0.0) |
| 1130 | value = 1.0; |
| 1131 | #if RANDBITS == 31 |
| 1132 | value = rand() * value / 2147483648.0; |
| 1133 | #else |
| 1134 | #if RANDBITS == 16 |
| 1135 | value = rand() * value / 65536.0; |
| 1136 | #else |
| 1137 | #if RANDBITS == 15 |
| 1138 | value = rand() * value / 32768.0; |
| 1139 | #else |
| 1140 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); |
| 1141 | #endif |
| 1142 | #endif |
| 1143 | #endif |
| 1144 | goto donumset; |
| 1145 | case O_SRAND: |
| 1146 | if (maxarg < 1) { |
| 1147 | (void)time(&when); |
| 1148 | anum = when; |
| 1149 | } |
| 1150 | else |
| 1151 | anum = (int)str_gnum(st[1]); |
| 1152 | (void)srand(anum); |
| 1153 | goto say_yes; |
| 378cc40b |
1154 | case O_EXP: |
| a687059c |
1155 | if (maxarg < 1) |
| 1156 | value = str_gnum(stab_val(defstab)); |
| 1157 | else |
| 1158 | value = str_gnum(st[1]); |
| 1159 | value = exp(value); |
| 378cc40b |
1160 | goto donumset; |
| 1161 | case O_LOG: |
| a687059c |
1162 | if (maxarg < 1) |
| 1163 | value = str_gnum(stab_val(defstab)); |
| 1164 | else |
| 1165 | value = str_gnum(st[1]); |
| 1166 | value = log(value); |
| 378cc40b |
1167 | goto donumset; |
| 1168 | case O_SQRT: |
| a687059c |
1169 | if (maxarg < 1) |
| 1170 | value = str_gnum(stab_val(defstab)); |
| 1171 | else |
| 1172 | value = str_gnum(st[1]); |
| 1173 | value = sqrt(value); |
| 378cc40b |
1174 | goto donumset; |
| 1175 | case O_INT: |
| a687059c |
1176 | if (maxarg < 1) |
| 1177 | value = str_gnum(stab_val(defstab)); |
| 1178 | else |
| 1179 | value = str_gnum(st[1]); |
| 378cc40b |
1180 | if (value >= 0.0) |
| a687059c |
1181 | (void)modf(value,&value); |
| 378cc40b |
1182 | else { |
| a687059c |
1183 | (void)modf(-value,&value); |
| 378cc40b |
1184 | value = -value; |
| 1185 | } |
| 1186 | goto donumset; |
| 1187 | case O_ORD: |
| a687059c |
1188 | if (maxarg < 1) |
| 1189 | tmps = str_get(stab_val(defstab)); |
| 1190 | else |
| 1191 | tmps = str_get(st[1]); |
| 1192 | #ifndef I286 |
| 1193 | value = (double) *tmps; |
| 1194 | #else |
| 1195 | anum = (int) *tmps; |
| 1196 | value = (double) anum; |
| 1197 | #endif |
| 378cc40b |
1198 | goto donumset; |
| 1199 | case O_SLEEP: |
| a687059c |
1200 | if (maxarg < 1) |
| 1201 | tmps = Nullch; |
| 1202 | else |
| 1203 | tmps = str_get(st[1]); |
| 1204 | (void)time(&when); |
| 378cc40b |
1205 | if (!tmps || !*tmps) |
| 1206 | sleep((32767<<16)+32767); |
| 1207 | else |
| a687059c |
1208 | sleep((unsigned int)atoi(tmps)); |
| 1209 | #ifndef lint |
| 378cc40b |
1210 | value = (double)when; |
| a687059c |
1211 | (void)time(&when); |
| 378cc40b |
1212 | value = ((double)when) - value; |
| a687059c |
1213 | #endif |
| 378cc40b |
1214 | goto donumset; |
| a687059c |
1215 | case O_RANGE: |
| 1216 | sp = do_range(gimme,arglast); |
| 1217 | goto array_return; |
| 1218 | case O_F_OR_R: |
| 1219 | if (gimme == G_ARRAY) { /* it's a range */ |
| 1220 | /* can we optimize to constant array? */ |
| 1221 | if ((arg[1].arg_type & A_MASK) == A_SINGLE && |
| 1222 | (arg[2].arg_type & A_MASK) == A_SINGLE) { |
| 1223 | st[2] = arg[2].arg_ptr.arg_str; |
| 1224 | sp = do_range(gimme,arglast); |
| 1225 | st = stack->ary_array; |
| 1226 | maxarg = sp - arglast[0]; |
| 1227 | str_free(arg[1].arg_ptr.arg_str); |
| 1228 | str_free(arg[2].arg_ptr.arg_str); |
| 1229 | arg->arg_type = O_ARRAY; |
| 1230 | arg[1].arg_type = A_STAB|A_DONT; |
| 1231 | arg->arg_len = 1; |
| 1232 | stab = arg[1].arg_ptr.arg_stab = aadd(genstab()); |
| 1233 | ary = stab_array(stab); |
| 1234 | afill(ary,maxarg - 1); |
| 1235 | st += arglast[0]+1; |
| 1236 | while (maxarg-- > 0) |
| 1237 | ary->ary_array[maxarg] = str_smake(st[maxarg]); |
| 1238 | goto array_return; |
| 1239 | } |
| 1240 | arg->arg_type = optype = O_RANGE; |
| 1241 | maxarg = arg->arg_len = 2; |
| 1242 | anum = 2; |
| 1243 | arg[anum].arg_flags &= ~AF_ARYOK; |
| 1244 | argflags = arg[anum].arg_flags; |
| 1245 | argtype = arg[anum].arg_type & A_MASK; |
| 1246 | arg[anum].arg_type = argtype; |
| 1247 | argptr = arg[anum].arg_ptr; |
| 1248 | sp = arglast[0]; |
| 1249 | st -= sp; |
| 1250 | sp++; |
| 1251 | goto re_eval; |
| 1252 | } |
| 1253 | arg->arg_type = O_FLIP; |
| 1254 | /* FALL THROUGH */ |
| 378cc40b |
1255 | case O_FLIP: |
| a687059c |
1256 | if ((arg[1].arg_type & A_MASK) == A_SINGLE ? |
| 1257 | last_in_stab && (int)str_gnum(st[1]) == stab_io(last_in_stab)->lines |
| 1258 | : |
| 1259 | str_true(st[1]) ) { |
| 378cc40b |
1260 | str_numset(str,0.0); |
| 1261 | anum = 2; |
| 1262 | arg->arg_type = optype = O_FLOP; |
| a687059c |
1263 | arg[2].arg_type &= ~A_DONT; |
| 1264 | arg[1].arg_type |= A_DONT; |
| 378cc40b |
1265 | argflags = arg[2].arg_flags; |
| a687059c |
1266 | argtype = arg[2].arg_type & A_MASK; |
| 378cc40b |
1267 | argptr = arg[2].arg_ptr; |
| a687059c |
1268 | sp = arglast[0]; |
| 1269 | st -= sp; |
| 378cc40b |
1270 | goto re_eval; |
| 1271 | } |
| 1272 | str_set(str,""); |
| 1273 | break; |
| 1274 | case O_FLOP: |
| 1275 | str_inc(str); |
| a687059c |
1276 | if ((arg[2].arg_type & A_MASK) == A_SINGLE ? |
| 1277 | last_in_stab && (int)str_gnum(st[2]) == stab_io(last_in_stab)->lines |
| 1278 | : |
| 1279 | str_true(st[2]) ) { |
| 378cc40b |
1280 | arg->arg_type = O_FLIP; |
| a687059c |
1281 | arg[1].arg_type &= ~A_DONT; |
| 1282 | arg[2].arg_type |= A_DONT; |
| 378cc40b |
1283 | str_cat(str,"E0"); |
| 1284 | } |
| 1285 | break; |
| 1286 | case O_FORK: |
| a687059c |
1287 | anum = fork(); |
| 1288 | if (!anum && (tmpstab = stabent("$",allstabs))) |
| 1289 | str_numset(STAB_STR(tmpstab),(double)getpid()); |
| 1290 | value = (double)anum; |
| 378cc40b |
1291 | goto donumset; |
| 1292 | case O_WAIT: |
| a687059c |
1293 | #ifndef lint |
| 378cc40b |
1294 | ihand = signal(SIGINT, SIG_IGN); |
| 1295 | qhand = signal(SIGQUIT, SIG_IGN); |
| a687059c |
1296 | anum = wait(&argflags); |
| 1297 | if (anum > 0) |
| 1298 | pidgone(anum,argflags); |
| 1299 | value = (double)anum; |
| 1300 | #else |
| 1301 | ihand = qhand = 0; |
| 1302 | #endif |
| 1303 | (void)signal(SIGINT, ihand); |
| 1304 | (void)signal(SIGQUIT, qhand); |
| 378cc40b |
1305 | statusvalue = (unsigned short)argflags; |
| 1306 | goto donumset; |
| 1307 | case O_SYSTEM: |
| a687059c |
1308 | #ifdef TAINT |
| 1309 | if (arglast[2] - arglast[1] == 1) { |
| 1310 | taintenv(); |
| 1311 | tainted |= st[2]->str_tainted; |
| 1312 | taintproper("Insecure dependency in system"); |
| 1313 | } |
| 1314 | #endif |
| 378cc40b |
1315 | while ((anum = vfork()) == -1) { |
| 1316 | if (errno != EAGAIN) { |
| 1317 | value = -1.0; |
| 1318 | goto donumset; |
| 1319 | } |
| 1320 | sleep(5); |
| 1321 | } |
| 1322 | if (anum > 0) { |
| a687059c |
1323 | #ifndef lint |
| 378cc40b |
1324 | ihand = signal(SIGINT, SIG_IGN); |
| 1325 | qhand = signal(SIGQUIT, SIG_IGN); |
| a687059c |
1326 | while ((argtype = wait(&argflags)) != anum && argtype >= 0) |
| 1327 | pidgone(argtype,argflags); |
| 1328 | #else |
| 1329 | ihand = qhand = 0; |
| 1330 | #endif |
| 1331 | (void)signal(SIGINT, ihand); |
| 1332 | (void)signal(SIGQUIT, qhand); |
| 378cc40b |
1333 | statusvalue = (unsigned short)argflags; |
| 1334 | if (argtype == -1) |
| 1335 | value = -1.0; |
| 1336 | else { |
| 1337 | value = (double)((unsigned int)argflags & 0xffff); |
| 1338 | } |
| 1339 | goto donumset; |
| 1340 | } |
| a687059c |
1341 | if ((arg[1].arg_type & A_MASK) == A_STAB) |
| 1342 | value = (double)do_aexec(st[1],arglast); |
| 1343 | else if (arglast[2] - arglast[1] != 1) |
| 1344 | value = (double)do_aexec(Nullstr,arglast); |
| 378cc40b |
1345 | else { |
| a687059c |
1346 | value = (double)do_exec(str_get(str_static(st[2]))); |
| 378cc40b |
1347 | } |
| 1348 | _exit(-1); |
| 1349 | case O_EXEC: |
| a687059c |
1350 | if ((arg[1].arg_type & A_MASK) == A_STAB) |
| 1351 | value = (double)do_aexec(st[1],arglast); |
| 1352 | else if (arglast[2] - arglast[1] != 1) |
| 1353 | value = (double)do_aexec(Nullstr,arglast); |
| 378cc40b |
1354 | else { |
| a687059c |
1355 | value = (double)do_exec(str_get(str_static(st[2]))); |
| 378cc40b |
1356 | } |
| 1357 | goto donumset; |
| 1358 | case O_HEX: |
| 1359 | argtype = 4; |
| 1360 | goto snarfnum; |
| 1361 | |
| 1362 | case O_OCT: |
| 1363 | argtype = 3; |
| 1364 | |
| 1365 | snarfnum: |
| 1366 | anum = 0; |
| a687059c |
1367 | if (maxarg < 1) |
| 1368 | tmps = str_get(stab_val(defstab)); |
| 1369 | else |
| 1370 | tmps = str_get(st[1]); |
| 378cc40b |
1371 | for (;;) { |
| 1372 | switch (*tmps) { |
| 1373 | default: |
| 1374 | goto out; |
| 1375 | case '8': case '9': |
| 1376 | if (argtype != 4) |
| 1377 | goto out; |
| 1378 | /* FALL THROUGH */ |
| 1379 | case '0': case '1': case '2': case '3': case '4': |
| 1380 | case '5': case '6': case '7': |
| 1381 | anum <<= argtype; |
| 1382 | anum += *tmps++ & 15; |
| 1383 | break; |
| 1384 | case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': |
| 1385 | case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': |
| 1386 | if (argtype != 4) |
| 1387 | goto out; |
| 1388 | anum <<= 4; |
| 1389 | anum += (*tmps++ & 7) + 9; |
| 1390 | break; |
| 1391 | case 'x': |
| 1392 | argtype = 4; |
| 1393 | tmps++; |
| 1394 | break; |
| 1395 | } |
| 1396 | } |
| 1397 | out: |
| 1398 | value = (double)anum; |
| 1399 | goto donumset; |
| 1400 | case O_CHMOD: |
| 1401 | case O_CHOWN: |
| 1402 | case O_KILL: |
| 1403 | case O_UNLINK: |
| 1404 | case O_UTIME: |
| a687059c |
1405 | value = (double)apply(optype,arglast); |
| 378cc40b |
1406 | goto donumset; |
| 1407 | case O_UMASK: |
| a687059c |
1408 | if (maxarg < 1) { |
| 1409 | anum = umask(0); |
| 1410 | (void)umask(anum); |
| 1411 | } |
| 1412 | else |
| 1413 | anum = umask((int)str_gnum(st[1])); |
| 1414 | value = (double)anum; |
| 1415 | #ifdef TAINT |
| 1416 | taintproper("Insecure dependency in umask"); |
| 1417 | #endif |
| 378cc40b |
1418 | goto donumset; |
| 1419 | case O_RENAME: |
| a687059c |
1420 | tmps = str_get(st[1]); |
| 1421 | tmps2 = str_get(st[2]); |
| 1422 | #ifdef TAINT |
| 1423 | taintproper("Insecure dependency in rename"); |
| 1424 | #endif |
| 378cc40b |
1425 | #ifdef RENAME |
| a687059c |
1426 | value = (double)(rename(tmps,tmps2) >= 0); |
| 378cc40b |
1427 | #else |
| 378cc40b |
1428 | if (euid || stat(tmps2,&statbuf) < 0 || |
| 1429 | (statbuf.st_mode & S_IFMT) != S_IFDIR ) |
| a687059c |
1430 | (void)UNLINK(tmps2); /* avoid unlinking a directory */ |
| 378cc40b |
1431 | if (!(anum = link(tmps,tmps2))) |
| 1432 | anum = UNLINK(tmps); |
| 1433 | value = (double)(anum >= 0); |
| 1434 | #endif |
| 1435 | goto donumset; |
| 1436 | case O_LINK: |
| a687059c |
1437 | tmps = str_get(st[1]); |
| 1438 | tmps2 = str_get(st[2]); |
| 1439 | #ifdef TAINT |
| 1440 | taintproper("Insecure dependency in link"); |
| 1441 | #endif |
| 1442 | value = (double)(link(tmps,tmps2) >= 0); |
| 1443 | goto donumset; |
| 1444 | case O_MKDIR: |
| 1445 | tmps = str_get(st[1]); |
| 1446 | anum = (int)str_gnum(st[2]); |
| 1447 | #ifdef TAINT |
| 1448 | taintproper("Insecure dependency in mkdir"); |
| 1449 | #endif |
| 1450 | #ifdef MKDIR |
| 1451 | value = (double)(mkdir(tmps,anum) >= 0); |
| 1452 | #else |
| 1453 | (void)sprintf(buf,"mkdir %s 2>&1",tmps); |
| 1454 | one_liner: |
| 1455 | rsfp = mypopen(buf,"r"); |
| 1456 | if (rsfp) { |
| 1457 | *buf = '\0'; |
| 1458 | tmps2 = fgets(buf,sizeof buf,rsfp); |
| 1459 | (void)mypclose(rsfp); |
| 1460 | if (tmps2 != Nullch) { |
| 1461 | for (errno = 1; errno <= sys_nerr; errno++) { |
| 1462 | if (instr(buf,sys_errlist[errno])) /* you don't see this */ |
| 1463 | goto say_zero; |
| 1464 | } |
| 1465 | errno = 0; |
| 1466 | goto say_zero; |
| 1467 | } |
| 1468 | else |
| 1469 | value = 1.0; |
| 1470 | } |
| 1471 | else |
| 1472 | goto say_zero; |
| 1473 | #endif |
| 1474 | goto donumset; |
| 1475 | case O_RMDIR: |
| 1476 | if (maxarg < 1) |
| 1477 | tmps = str_get(stab_val(defstab)); |
| 1478 | else |
| 1479 | tmps = str_get(st[1]); |
| 1480 | #ifdef TAINT |
| 1481 | taintproper("Insecure dependency in rmdir"); |
| 1482 | #endif |
| 1483 | #ifdef RMDIR |
| 1484 | value = (double)(rmdir(tmps) >= 0); |
| 1485 | goto donumset; |
| 1486 | #else |
| 1487 | (void)sprintf(buf,"rmdir %s 2>&1",tmps); |
| 1488 | goto one_liner; /* see above in MKDIR */ |
| 1489 | #endif |
| 1490 | case O_GETPPID: |
| 1491 | value = (double)getppid(); |
| 1492 | goto donumset; |
| 1493 | case O_GETPGRP: |
| 1494 | #ifdef GETPGRP |
| 1495 | if (maxarg < 1) |
| 1496 | anum = 0; |
| 1497 | else |
| 1498 | anum = (int)str_gnum(st[1]); |
| 1499 | value = (double)getpgrp(anum); |
| 1500 | goto donumset; |
| 1501 | #else |
| 1502 | fatal("The getpgrp() function is unimplemented on this machine"); |
| 1503 | break; |
| 1504 | #endif |
| 1505 | case O_SETPGRP: |
| 1506 | #ifdef SETPGRP |
| 1507 | argtype = (int)str_gnum(st[1]); |
| 1508 | anum = (int)str_gnum(st[2]); |
| 1509 | #ifdef TAINT |
| 1510 | taintproper("Insecure dependency in setpgrp"); |
| 1511 | #endif |
| 1512 | value = (double)(setpgrp(argtype,anum) >= 0); |
| 1513 | goto donumset; |
| 1514 | #else |
| 1515 | fatal("The setpgrp() function is unimplemented on this machine"); |
| 1516 | break; |
| 1517 | #endif |
| 1518 | case O_GETPRIORITY: |
| 1519 | #ifdef GETPRIORITY |
| 1520 | argtype = (int)str_gnum(st[1]); |
| 1521 | anum = (int)str_gnum(st[2]); |
| 1522 | value = (double)getpriority(argtype,anum); |
| 1523 | goto donumset; |
| 1524 | #else |
| 1525 | fatal("The getpriority() function is unimplemented on this machine"); |
| 1526 | break; |
| 1527 | #endif |
| 1528 | case O_SETPRIORITY: |
| 1529 | #ifdef SETPRIORITY |
| 1530 | argtype = (int)str_gnum(st[1]); |
| 1531 | anum = (int)str_gnum(st[2]); |
| 1532 | optype = (int)str_gnum(st[3]); |
| 1533 | #ifdef TAINT |
| 1534 | taintproper("Insecure dependency in setpriority"); |
| 1535 | #endif |
| 1536 | value = (double)(setpriority(argtype,anum,optype) >= 0); |
| 378cc40b |
1537 | goto donumset; |
| a687059c |
1538 | #else |
| 1539 | fatal("The setpriority() function is unimplemented on this machine"); |
| 1540 | break; |
| 1541 | #endif |
| 1542 | case O_CHROOT: |
| 1543 | if (maxarg < 1) |
| 1544 | tmps = str_get(stab_val(defstab)); |
| 1545 | else |
| 1546 | tmps = str_get(st[1]); |
| 1547 | #ifdef TAINT |
| 1548 | taintproper("Insecure dependency in chroot"); |
| 1549 | #endif |
| 1550 | value = (double)(chroot(tmps) >= 0); |
| 1551 | goto donumset; |
| 1552 | case O_FCNTL: |
| 1553 | case O_IOCTL: |
| 1554 | if (maxarg <= 0) |
| 1555 | stab = last_in_stab; |
| 1556 | else if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1557 | stab = arg[1].arg_ptr.arg_stab; |
| 1558 | else |
| 1559 | stab = stabent(str_get(st[1]),TRUE); |
| 1560 | argtype = (int)str_gnum(st[2]); |
| 1561 | #ifdef TAINT |
| 1562 | taintproper("Insecure dependency in ioctl"); |
| 1563 | #endif |
| 1564 | anum = do_ctl(optype,stab,argtype,st[3]); |
| 1565 | if (anum == -1) |
| 1566 | goto say_undef; |
| 1567 | if (anum != 0) |
| 1568 | goto donumset; |
| 1569 | str_set(str,"0 but true"); |
| 1570 | STABSET(str); |
| 1571 | break; |
| 1572 | case O_FLOCK: |
| 1573 | #ifdef FLOCK |
| 1574 | if (maxarg <= 0) |
| 1575 | stab = last_in_stab; |
| 1576 | else if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1577 | stab = arg[1].arg_ptr.arg_stab; |
| 1578 | else |
| 1579 | stab = stabent(str_get(st[1]),TRUE); |
| 1580 | if (stab && stab_io(stab)) |
| 1581 | fp = stab_io(stab)->ifp; |
| 1582 | else |
| 1583 | fp = Nullfp; |
| 1584 | if (fp) { |
| 1585 | argtype = (int)str_gnum(st[2]); |
| 1586 | value = (double)(flock(fileno(fp),argtype) >= 0); |
| 1587 | } |
| 1588 | else |
| 1589 | value = 0; |
| 1590 | goto donumset; |
| 1591 | #else |
| 1592 | fatal("The flock() function is unimplemented on this machine"); |
| 1593 | break; |
| 1594 | #endif |
| 378cc40b |
1595 | case O_UNSHIFT: |
| a687059c |
1596 | ary = stab_array(arg[1].arg_ptr.arg_stab); |
| 1597 | if (arglast[2] - arglast[1] != 1) |
| 1598 | do_unshift(ary,arglast); |
| 378cc40b |
1599 | else { |
| a687059c |
1600 | str = Str_new(52,0); /* must copy the STR */ |
| 1601 | str_sset(str,st[2]); |
| 378cc40b |
1602 | aunshift(ary,1); |
| a687059c |
1603 | (void)astore(ary,0,str); |
| 378cc40b |
1604 | } |
| 1605 | value = (double)(ary->ary_fill + 1); |
| 1606 | break; |
| 1607 | case O_DOFILE: |
| 1608 | case O_EVAL: |
| a687059c |
1609 | if (maxarg < 1) |
| 1610 | tmpstr = stab_val(defstab); |
| 1611 | else |
| 1612 | tmpstr = |
| 1613 | (arg[1].arg_type & A_MASK) != A_NULL ? st[1] : stab_val(defstab); |
| 1614 | #ifdef TAINT |
| 1615 | tainted |= tmpstr->str_tainted; |
| 1616 | taintproper("Insecure dependency in eval"); |
| 1617 | #endif |
| 1618 | sp = do_eval(tmpstr, optype, arg[2].arg_ptr.arg_hash, |
| 1619 | gimme,arglast); |
| 1620 | goto array_return; |
| 378cc40b |
1621 | |
| 1622 | case O_FTRREAD: |
| 1623 | argtype = 0; |
| 1624 | anum = S_IREAD; |
| 1625 | goto check_perm; |
| 1626 | case O_FTRWRITE: |
| 1627 | argtype = 0; |
| 1628 | anum = S_IWRITE; |
| 1629 | goto check_perm; |
| 1630 | case O_FTREXEC: |
| 1631 | argtype = 0; |
| 1632 | anum = S_IEXEC; |
| 1633 | goto check_perm; |
| 1634 | case O_FTEREAD: |
| 1635 | argtype = 1; |
| 1636 | anum = S_IREAD; |
| 1637 | goto check_perm; |
| 1638 | case O_FTEWRITE: |
| 1639 | argtype = 1; |
| 1640 | anum = S_IWRITE; |
| 1641 | goto check_perm; |
| 1642 | case O_FTEEXEC: |
| 1643 | argtype = 1; |
| 1644 | anum = S_IEXEC; |
| 1645 | check_perm: |
| a687059c |
1646 | if (mystat(arg,st[1]) < 0) |
| 1647 | goto say_undef; |
| 1648 | if (cando(anum,argtype,&statcache)) |
| 1649 | goto say_yes; |
| 1650 | goto say_no; |
| 378cc40b |
1651 | |
| 1652 | case O_FTIS: |
| a687059c |
1653 | if (mystat(arg,st[1]) < 0) |
| 1654 | goto say_undef; |
| 1655 | goto say_yes; |
| 378cc40b |
1656 | case O_FTEOWNED: |
| 1657 | case O_FTROWNED: |
| a687059c |
1658 | if (mystat(arg,st[1]) < 0) |
| 1659 | goto say_undef; |
| 1660 | if (statcache.st_uid == (optype == O_FTEOWNED ? euid : uid) ) |
| 1661 | goto say_yes; |
| 1662 | goto say_no; |
| 378cc40b |
1663 | case O_FTZERO: |
| a687059c |
1664 | if (mystat(arg,st[1]) < 0) |
| 1665 | goto say_undef; |
| 1666 | if (!statcache.st_size) |
| 1667 | goto say_yes; |
| 1668 | goto say_no; |
| 378cc40b |
1669 | case O_FTSIZE: |
| a687059c |
1670 | if (mystat(arg,st[1]) < 0) |
| 1671 | goto say_undef; |
| 1672 | if (statcache.st_size) |
| 1673 | goto say_yes; |
| 1674 | goto say_no; |
| 378cc40b |
1675 | |
| 1676 | case O_FTSOCK: |
| 1677 | #ifdef S_IFSOCK |
| 1678 | anum = S_IFSOCK; |
| 1679 | goto check_file_type; |
| 1680 | #else |
| a687059c |
1681 | goto say_no; |
| 378cc40b |
1682 | #endif |
| 1683 | case O_FTCHR: |
| 1684 | anum = S_IFCHR; |
| 1685 | goto check_file_type; |
| 1686 | case O_FTBLK: |
| 1687 | anum = S_IFBLK; |
| 1688 | goto check_file_type; |
| 1689 | case O_FTFILE: |
| 1690 | anum = S_IFREG; |
| 1691 | goto check_file_type; |
| 1692 | case O_FTDIR: |
| 1693 | anum = S_IFDIR; |
| 1694 | check_file_type: |
| a687059c |
1695 | if (mystat(arg,st[1]) < 0) |
| 1696 | goto say_undef; |
| 1697 | if ((statcache.st_mode & S_IFMT) == anum ) |
| 1698 | goto say_yes; |
| 1699 | goto say_no; |
| 378cc40b |
1700 | case O_FTPIPE: |
| 1701 | #ifdef S_IFIFO |
| 1702 | anum = S_IFIFO; |
| 1703 | goto check_file_type; |
| 1704 | #else |
| a687059c |
1705 | goto say_no; |
| 378cc40b |
1706 | #endif |
| 1707 | case O_FTLINK: |
| a687059c |
1708 | #ifdef SYMLINK |
| 1709 | if (lstat(str_get(st[1]),&statcache) < 0) |
| 1710 | goto say_undef; |
| 1711 | if ((statcache.st_mode & S_IFMT) == S_IFLNK ) |
| 1712 | goto say_yes; |
| 378cc40b |
1713 | #endif |
| a687059c |
1714 | goto say_no; |
| 378cc40b |
1715 | case O_SYMLINK: |
| 1716 | #ifdef SYMLINK |
| a687059c |
1717 | tmps = str_get(st[1]); |
| 1718 | tmps2 = str_get(st[2]); |
| 1719 | #ifdef TAINT |
| 1720 | taintproper("Insecure dependency in symlink"); |
| 1721 | #endif |
| 1722 | value = (double)(symlink(tmps,tmps2) >= 0); |
| 378cc40b |
1723 | goto donumset; |
| 1724 | #else |
| 1725 | fatal("Unsupported function symlink()"); |
| 1726 | #endif |
| a687059c |
1727 | case O_READLINK: |
| 1728 | #ifdef SYMLINK |
| 1729 | if (maxarg < 1) |
| 1730 | tmps = str_get(stab_val(defstab)); |
| 1731 | else |
| 1732 | tmps = str_get(st[1]); |
| 1733 | anum = readlink(tmps,buf,sizeof buf); |
| 1734 | if (anum < 0) |
| 1735 | goto say_undef; |
| 1736 | str_nset(str,buf,anum); |
| 1737 | break; |
| 1738 | #else |
| 1739 | fatal("Unsupported function readlink()"); |
| 1740 | #endif |
| 378cc40b |
1741 | case O_FTSUID: |
| 1742 | anum = S_ISUID; |
| 1743 | goto check_xid; |
| 1744 | case O_FTSGID: |
| 1745 | anum = S_ISGID; |
| 1746 | goto check_xid; |
| 1747 | case O_FTSVTX: |
| 1748 | anum = S_ISVTX; |
| 1749 | check_xid: |
| a687059c |
1750 | if (mystat(arg,st[1]) < 0) |
| 1751 | goto say_undef; |
| 1752 | if (statcache.st_mode & anum) |
| 1753 | goto say_yes; |
| 1754 | goto say_no; |
| 378cc40b |
1755 | case O_FTTTY: |
| a687059c |
1756 | if (arg[1].arg_type & A_DONT) { |
| 378cc40b |
1757 | stab = arg[1].arg_ptr.arg_stab; |
| 1758 | tmps = ""; |
| 1759 | } |
| 1760 | else |
| a687059c |
1761 | stab = stabent(tmps = str_get(st[1]),FALSE); |
| 1762 | if (stab && stab_io(stab) && stab_io(stab)->ifp) |
| 1763 | anum = fileno(stab_io(stab)->ifp); |
| 378cc40b |
1764 | else if (isdigit(*tmps)) |
| 1765 | anum = atoi(tmps); |
| 1766 | else |
| a687059c |
1767 | goto say_undef; |
| 378cc40b |
1768 | if (isatty(anum)) |
| a687059c |
1769 | goto say_yes; |
| 1770 | goto say_no; |
| 378cc40b |
1771 | case O_FTTEXT: |
| 1772 | case O_FTBINARY: |
| a687059c |
1773 | str = do_fttext(arg,st[1]); |
| 378cc40b |
1774 | break; |
| a687059c |
1775 | #ifdef SOCKET |
| 1776 | case O_SOCKET: |
| 1777 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1778 | stab = arg[1].arg_ptr.arg_stab; |
| 1779 | else |
| 1780 | stab = stabent(str_get(st[1]),TRUE); |
| 1781 | #ifndef lint |
| 1782 | value = (double)do_socket(stab,arglast); |
| 1783 | #else |
| 1784 | (void)do_socket(stab,arglast); |
| 1785 | #endif |
| 1786 | goto donumset; |
| 1787 | case O_BIND: |
| 1788 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1789 | stab = arg[1].arg_ptr.arg_stab; |
| 1790 | else |
| 1791 | stab = stabent(str_get(st[1]),TRUE); |
| 1792 | #ifndef lint |
| 1793 | value = (double)do_bind(stab,arglast); |
| 1794 | #else |
| 1795 | (void)do_bind(stab,arglast); |
| 1796 | #endif |
| 1797 | goto donumset; |
| 1798 | case O_CONNECT: |
| 1799 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1800 | stab = arg[1].arg_ptr.arg_stab; |
| 1801 | else |
| 1802 | stab = stabent(str_get(st[1]),TRUE); |
| 1803 | #ifndef lint |
| 1804 | value = (double)do_connect(stab,arglast); |
| 1805 | #else |
| 1806 | (void)do_connect(stab,arglast); |
| 1807 | #endif |
| 1808 | goto donumset; |
| 1809 | case O_LISTEN: |
| 1810 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1811 | stab = arg[1].arg_ptr.arg_stab; |
| 1812 | else |
| 1813 | stab = stabent(str_get(st[1]),TRUE); |
| 1814 | #ifndef lint |
| 1815 | value = (double)do_listen(stab,arglast); |
| 1816 | #else |
| 1817 | (void)do_listen(stab,arglast); |
| 1818 | #endif |
| 1819 | goto donumset; |
| 1820 | case O_ACCEPT: |
| 1821 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1822 | stab = arg[1].arg_ptr.arg_stab; |
| 1823 | else |
| 1824 | stab = stabent(str_get(st[1]),TRUE); |
| 1825 | if ((arg[2].arg_type & A_MASK) == A_WORD) |
| 1826 | stab2 = arg[2].arg_ptr.arg_stab; |
| 1827 | else |
| 1828 | stab2 = stabent(str_get(st[2]),TRUE); |
| 1829 | do_accept(str,stab,stab2); |
| 1830 | STABSET(str); |
| 1831 | break; |
| 1832 | case O_GHBYNAME: |
| 1833 | if (maxarg < 1) |
| 1834 | goto say_undef; |
| 1835 | case O_GHBYADDR: |
| 1836 | case O_GHOSTENT: |
| 1837 | sp = do_ghent(optype, |
| 1838 | gimme,arglast); |
| 1839 | goto array_return; |
| 1840 | case O_GNBYNAME: |
| 1841 | if (maxarg < 1) |
| 1842 | goto say_undef; |
| 1843 | case O_GNBYADDR: |
| 1844 | case O_GNETENT: |
| 1845 | sp = do_gnent(optype, |
| 1846 | gimme,arglast); |
| 1847 | goto array_return; |
| 1848 | case O_GPBYNAME: |
| 1849 | if (maxarg < 1) |
| 1850 | goto say_undef; |
| 1851 | case O_GPBYNUMBER: |
| 1852 | case O_GPROTOENT: |
| 1853 | sp = do_gpent(optype, |
| 1854 | gimme,arglast); |
| 1855 | goto array_return; |
| 1856 | case O_GSBYNAME: |
| 1857 | if (maxarg < 1) |
| 1858 | goto say_undef; |
| 1859 | case O_GSBYPORT: |
| 1860 | case O_GSERVENT: |
| 1861 | sp = do_gsent(optype, |
| 1862 | gimme,arglast); |
| 1863 | goto array_return; |
| 1864 | case O_SHOSTENT: |
| 1865 | value = (double) sethostent((int)str_gnum(st[1])); |
| 1866 | goto donumset; |
| 1867 | case O_SNETENT: |
| 1868 | value = (double) setnetent((int)str_gnum(st[1])); |
| 1869 | goto donumset; |
| 1870 | case O_SPROTOENT: |
| 1871 | value = (double) setprotoent((int)str_gnum(st[1])); |
| 1872 | goto donumset; |
| 1873 | case O_SSERVENT: |
| 1874 | value = (double) setservent((int)str_gnum(st[1])); |
| 1875 | goto donumset; |
| 1876 | case O_EHOSTENT: |
| 1877 | value = (double) endhostent(); |
| 1878 | goto donumset; |
| 1879 | case O_ENETENT: |
| 1880 | value = (double) endnetent(); |
| 1881 | goto donumset; |
| 1882 | case O_EPROTOENT: |
| 1883 | value = (double) endprotoent(); |
| 1884 | goto donumset; |
| 1885 | case O_ESERVENT: |
| 1886 | value = (double) endservent(); |
| 1887 | goto donumset; |
| 1888 | case O_SSELECT: |
| 1889 | sp = do_select(gimme,arglast); |
| 1890 | goto array_return; |
| 1891 | case O_SOCKETPAIR: |
| 1892 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1893 | stab = arg[1].arg_ptr.arg_stab; |
| 1894 | else |
| 1895 | stab = stabent(str_get(st[1]),TRUE); |
| 1896 | if ((arg[2].arg_type & A_MASK) == A_WORD) |
| 1897 | stab2 = arg[2].arg_ptr.arg_stab; |
| 1898 | else |
| 1899 | stab2 = stabent(str_get(st[2]),TRUE); |
| 1900 | #ifndef lint |
| 1901 | value = (double)do_spair(stab,stab2,arglast); |
| 1902 | #else |
| 1903 | (void)do_spair(stab,stab2,arglast); |
| 1904 | #endif |
| 1905 | goto donumset; |
| 1906 | case O_SHUTDOWN: |
| 1907 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1908 | stab = arg[1].arg_ptr.arg_stab; |
| 1909 | else |
| 1910 | stab = stabent(str_get(st[1]),TRUE); |
| 1911 | #ifndef lint |
| 1912 | value = (double)do_shutdown(stab,arglast); |
| 1913 | #else |
| 1914 | (void)do_shutdown(stab,arglast); |
| 1915 | #endif |
| 1916 | goto donumset; |
| 1917 | case O_GSOCKOPT: |
| 1918 | case O_SSOCKOPT: |
| 1919 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1920 | stab = arg[1].arg_ptr.arg_stab; |
| 1921 | else |
| 1922 | stab = stabent(str_get(st[1]),TRUE); |
| 1923 | sp = do_sopt(optype,stab,arglast); |
| 1924 | goto array_return; |
| 1925 | case O_GETSOCKNAME: |
| 1926 | case O_GETPEERNAME: |
| 1927 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1928 | stab = arg[1].arg_ptr.arg_stab; |
| 1929 | else |
| 1930 | stab = stabent(str_get(st[1]),TRUE); |
| 1931 | sp = do_getsockname(optype,stab,arglast); |
| 1932 | goto array_return; |
| 1933 | |
| 1934 | #else /* SOCKET not defined */ |
| 1935 | case O_SOCKET: |
| 1936 | case O_BIND: |
| 1937 | case O_CONNECT: |
| 1938 | case O_LISTEN: |
| 1939 | case O_ACCEPT: |
| 1940 | case O_SSELECT: |
| 1941 | case O_SOCKETPAIR: |
| 1942 | case O_GHBYNAME: |
| 1943 | case O_GHBYADDR: |
| 1944 | case O_GHOSTENT: |
| 1945 | case O_GNBYNAME: |
| 1946 | case O_GNBYADDR: |
| 1947 | case O_GNETENT: |
| 1948 | case O_GPBYNAME: |
| 1949 | case O_GPBYNUMBER: |
| 1950 | case O_GPROTOENT: |
| 1951 | case O_GSBYNAME: |
| 1952 | case O_GSBYPORT: |
| 1953 | case O_GSERVENT: |
| 1954 | case O_SHOSTENT: |
| 1955 | case O_SNETENT: |
| 1956 | case O_SPROTOENT: |
| 1957 | case O_SSERVENT: |
| 1958 | case O_EHOSTENT: |
| 1959 | case O_ENETENT: |
| 1960 | case O_EPROTOENT: |
| 1961 | case O_ESERVENT: |
| 1962 | case O_SHUTDOWN: |
| 1963 | case O_GSOCKOPT: |
| 1964 | case O_SSOCKOPT: |
| 1965 | case O_GETSOCKNAME: |
| 1966 | case O_GETPEERNAME: |
| 1967 | badsock: |
| 1968 | fatal("Unsupported socket function"); |
| 1969 | #endif /* SOCKET */ |
| 1970 | case O_FILENO: |
| 1971 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 1972 | stab = arg[1].arg_ptr.arg_stab; |
| 1973 | else |
| 1974 | stab = stabent(str_get(st[1]),TRUE); |
| 1975 | if (!stab || !(stio = stab_io(stab)) || !(fp = stio->ifp)) |
| 1976 | goto say_undef; |
| 1977 | value = fileno(fp); |
| 1978 | goto donumset; |
| 1979 | case O_VEC: |
| 1980 | sp = do_vec(str == st[1], arg->arg_ptr.arg_str, arglast); |
| 1981 | goto array_return; |
| 1982 | case O_GPWNAM: |
| 1983 | case O_GPWUID: |
| 1984 | case O_GPWENT: |
| 1985 | sp = do_gpwent(optype, |
| 1986 | gimme,arglast); |
| 1987 | goto array_return; |
| 1988 | case O_SPWENT: |
| 1989 | value = (double) setpwent(); |
| 1990 | goto donumset; |
| 1991 | case O_EPWENT: |
| 1992 | value = (double) endpwent(); |
| 1993 | goto donumset; |
| 1994 | case O_GGRNAM: |
| 1995 | case O_GGRGID: |
| 1996 | case O_GGRENT: |
| 1997 | sp = do_ggrent(optype, |
| 1998 | gimme,arglast); |
| 1999 | goto array_return; |
| 2000 | case O_SGRENT: |
| 2001 | value = (double) setgrent(); |
| 2002 | goto donumset; |
| 2003 | case O_EGRENT: |
| 2004 | value = (double) endgrent(); |
| 2005 | goto donumset; |
| 2006 | case O_GETLOGIN: |
| 2007 | if (!(tmps = getlogin())) |
| 2008 | goto say_undef; |
| 2009 | str_set(str,tmps); |
| 2010 | break; |
| 2011 | case O_OPENDIR: |
| 2012 | case O_READDIR: |
| 2013 | case O_TELLDIR: |
| 2014 | case O_SEEKDIR: |
| 2015 | case O_REWINDDIR: |
| 2016 | case O_CLOSEDIR: |
| 2017 | if ((arg[1].arg_type & A_MASK) == A_WORD) |
| 2018 | stab = arg[1].arg_ptr.arg_stab; |
| 2019 | else |
| 2020 | stab = stabent(str_get(st[1]),TRUE); |
| 2021 | sp = do_dirop(optype,stab,gimme,arglast); |
| 2022 | goto array_return; |
| 2023 | case O_SYSCALL: |
| 2024 | value = (double)do_syscall(arglast); |
| 2025 | goto donumset; |
| 378cc40b |
2026 | } |
| a687059c |
2027 | |
| 2028 | normal_return: |
| 2029 | st[1] = str; |
| 378cc40b |
2030 | #ifdef DEBUGGING |
| 2031 | if (debug) { |
| 2032 | dlevel--; |
| 2033 | if (debug & 8) |
| 2034 | deb("%s RETURNS \"%s\"\n",opname[optype],str_get(str)); |
| 2035 | } |
| 2036 | #endif |
| a687059c |
2037 | return arglast[0] + 1; |
| 378cc40b |
2038 | |
| 2039 | array_return: |
| 2040 | #ifdef DEBUGGING |
| 2041 | if (debug) { |
| 2042 | dlevel--; |
| 2043 | if (debug & 8) |
| a687059c |
2044 | deb("%s RETURNS ARRAY OF %d ARGS\n",opname[optype],sp - arglast[0]); |
| 378cc40b |
2045 | } |
| 2046 | #endif |
| a687059c |
2047 | return sp; |
| 2048 | |
| 2049 | say_yes: |
| 2050 | str = &str_yes; |
| 2051 | goto normal_return; |
| 2052 | |
| 2053 | say_no: |
| 2054 | str = &str_no; |
| 2055 | goto normal_return; |
| 2056 | |
| 2057 | say_undef: |
| 2058 | str = &str_undef; |
| 2059 | goto normal_return; |
| 2060 | |
| 2061 | say_zero: |
| 2062 | value = 0.0; |
| 2063 | /* FALL THROUGH */ |
| 378cc40b |
2064 | |
| 2065 | donumset: |
| 2066 | str_numset(str,value); |
| 2067 | STABSET(str); |
| a687059c |
2068 | st[1] = str; |
| 378cc40b |
2069 | #ifdef DEBUGGING |
| 2070 | if (debug) { |
| 2071 | dlevel--; |
| 2072 | if (debug & 8) |
| 2073 | deb("%s RETURNS \"%f\"\n",opname[optype],value); |
| 2074 | } |
| 2075 | #endif |
| a687059c |
2076 | return arglast[0] + 1; |
| 378cc40b |
2077 | } |
projects / p5sagit/p5-mst-13.2.git / blame