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| 9bb9d9f7 |
1 | /* $Header: arg.c,v 1.0.1.6 88/02/01 17:32:26 root Exp $ |
| 8d063cd8 |
2 | * |
| 3 | * $Log: arg.c,v $ |
| 9bb9d9f7 |
4 | * Revision 1.0.1.6 88/02/01 17:32:26 root |
| 5 | * patch12: made split(' ') behave like awk in ignoring leading white space. |
| 6 | * |
| d96024cf |
7 | * Revision 1.0.1.5 88/01/30 08:53:16 root |
| 8 | * patch9: fixed some missing right parens introduced (?) by patch 2 |
| 9 | * |
| a559c259 |
10 | * Revision 1.0.1.4 88/01/28 10:22:06 root |
| 11 | * patch8: added eval operator. |
| f9ad7436 |
12 | * |
| 135863df |
13 | * Revision 1.0.1.2 88/01/24 03:52:34 root |
| 14 | * patch 2: added STATBLKS dependencies. |
| 15 | * |
| 36ce8bec |
16 | * Revision 1.0.1.1 88/01/21 21:27:10 root |
| 17 | * Now defines signal return values correctly using VOIDSIG. |
| 18 | * |
| 8d063cd8 |
19 | * Revision 1.0 87/12/18 13:04:33 root |
| 20 | * Initial revision |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <signal.h> |
| 25 | #include "handy.h" |
| 26 | #include "EXTERN.h" |
| 27 | #include "search.h" |
| 28 | #include "util.h" |
| 29 | #include "perl.h" |
| 30 | |
| 31 | ARG *debarg; |
| 32 | |
| 33 | bool |
| 34 | do_match(s,arg) |
| 35 | register char *s; |
| 36 | register ARG *arg; |
| 37 | { |
| 38 | register SPAT *spat = arg[2].arg_ptr.arg_spat; |
| 39 | register char *d; |
| 40 | register char *t; |
| 41 | |
| 42 | if (!spat || !s) |
| 43 | fatal("panic: do_match\n"); |
| 44 | if (spat->spat_flags & SPAT_USED) { |
| 45 | #ifdef DEBUGGING |
| 46 | if (debug & 8) |
| 47 | deb("2.SPAT USED\n"); |
| 48 | #endif |
| 49 | return FALSE; |
| 50 | } |
| 51 | if (spat->spat_runtime) { |
| 52 | t = str_get(eval(spat->spat_runtime,Null(STR***))); |
| 53 | #ifdef DEBUGGING |
| 54 | if (debug & 8) |
| 55 | deb("2.SPAT /%s/\n",t); |
| 56 | #endif |
| 57 | if (d = compile(&spat->spat_compex,t,TRUE,FALSE)) { |
| 58 | #ifdef DEBUGGING |
| 59 | deb("/%s/: %s\n", t, d); |
| 60 | #endif |
| 61 | return FALSE; |
| 62 | } |
| 63 | if (spat->spat_compex.complen <= 1 && curspat) |
| 64 | spat = curspat; |
| 65 | if (execute(&spat->spat_compex, s, TRUE, 0)) { |
| 66 | if (spat->spat_compex.numsubs) |
| 67 | curspat = spat; |
| 68 | return TRUE; |
| 69 | } |
| 70 | else |
| 71 | return FALSE; |
| 72 | } |
| 73 | else { |
| 74 | #ifdef DEBUGGING |
| 75 | if (debug & 8) { |
| 76 | char ch; |
| 77 | |
| 78 | if (spat->spat_flags & SPAT_USE_ONCE) |
| 79 | ch = '?'; |
| 80 | else |
| 81 | ch = '/'; |
| 82 | deb("2.SPAT %c%s%c\n",ch,spat->spat_compex.precomp,ch); |
| 83 | } |
| 84 | #endif |
| 85 | if (spat->spat_compex.complen <= 1 && curspat) |
| 86 | spat = curspat; |
| 87 | if (spat->spat_first) { |
| 88 | if (spat->spat_flags & SPAT_SCANFIRST) { |
| 89 | str_free(spat->spat_first); |
| 90 | spat->spat_first = Nullstr; /* disable optimization */ |
| 91 | } |
| 92 | else if (*spat->spat_first->str_ptr != *s || |
| 93 | strnNE(spat->spat_first->str_ptr, s, spat->spat_flen) ) |
| 94 | return FALSE; |
| 95 | } |
| 96 | if (execute(&spat->spat_compex, s, TRUE, 0)) { |
| 97 | if (spat->spat_compex.numsubs) |
| 98 | curspat = spat; |
| 99 | if (spat->spat_flags & SPAT_USE_ONCE) |
| 100 | spat->spat_flags |= SPAT_USED; |
| 101 | return TRUE; |
| 102 | } |
| 103 | else |
| 104 | return FALSE; |
| 105 | } |
| 106 | /*NOTREACHED*/ |
| 107 | } |
| 108 | |
| 109 | int |
| 110 | do_subst(str,arg) |
| 111 | STR *str; |
| 112 | register ARG *arg; |
| 113 | { |
| 114 | register SPAT *spat; |
| 115 | register STR *dstr; |
| 116 | register char *s; |
| 117 | register char *m; |
| 118 | |
| 119 | spat = arg[2].arg_ptr.arg_spat; |
| 120 | s = str_get(str); |
| 121 | if (!spat || !s) |
| 122 | fatal("panic: do_subst\n"); |
| 123 | else if (spat->spat_runtime) { |
| 124 | char *d; |
| 125 | |
| 126 | m = str_get(eval(spat->spat_runtime,Null(STR***))); |
| 127 | if (d = compile(&spat->spat_compex,m,TRUE,FALSE)) { |
| 128 | #ifdef DEBUGGING |
| 129 | deb("/%s/: %s\n", m, d); |
| 130 | #endif |
| 131 | return 0; |
| 132 | } |
| 133 | } |
| 134 | #ifdef DEBUGGING |
| 135 | if (debug & 8) { |
| 136 | deb("2.SPAT /%s/\n",spat->spat_compex.precomp); |
| 137 | } |
| 138 | #endif |
| 139 | if (spat->spat_compex.complen <= 1 && curspat) |
| 140 | spat = curspat; |
| 141 | if (spat->spat_first) { |
| 142 | if (spat->spat_flags & SPAT_SCANFIRST) { |
| 143 | str_free(spat->spat_first); |
| 144 | spat->spat_first = Nullstr; /* disable optimization */ |
| 145 | } |
| 146 | else if (*spat->spat_first->str_ptr != *s || |
| 147 | strnNE(spat->spat_first->str_ptr, s, spat->spat_flen) ) |
| 148 | return 0; |
| 149 | } |
| 150 | if (m = execute(&spat->spat_compex, s, TRUE, 1)) { |
| 151 | int iters = 0; |
| 152 | |
| 153 | dstr = str_new(str_len(str)); |
| 154 | if (spat->spat_compex.numsubs) |
| 155 | curspat = spat; |
| 156 | do { |
| 157 | if (iters++ > 10000) |
| 158 | fatal("Substitution loop?\n"); |
| 159 | if (spat->spat_compex.numsubs) |
| 160 | s = spat->spat_compex.subbase; |
| 161 | str_ncat(dstr,s,m-s); |
| 162 | s = spat->spat_compex.subend[0]; |
| 163 | str_scat(dstr,eval(spat->spat_repl,Null(STR***))); |
| 164 | if (spat->spat_flags & SPAT_USE_ONCE) |
| 165 | break; |
| 166 | } while (m = execute(&spat->spat_compex, s, FALSE, 1)); |
| 167 | str_cat(dstr,s); |
| 168 | str_replace(str,dstr); |
| 169 | STABSET(str); |
| 170 | return iters; |
| 171 | } |
| 172 | return 0; |
| 173 | } |
| 174 | |
| 175 | int |
| 176 | do_trans(str,arg) |
| 177 | STR *str; |
| 178 | register ARG *arg; |
| 179 | { |
| 180 | register char *tbl; |
| 181 | register char *s; |
| 182 | register int matches = 0; |
| 183 | register int ch; |
| 184 | |
| 185 | tbl = arg[2].arg_ptr.arg_cval; |
| 186 | s = str_get(str); |
| 187 | if (!tbl || !s) |
| 188 | fatal("panic: do_trans\n"); |
| 189 | #ifdef DEBUGGING |
| 190 | if (debug & 8) { |
| 191 | deb("2.TBL\n"); |
| 192 | } |
| 193 | #endif |
| 194 | while (*s) { |
| 195 | if (ch = tbl[*s & 0377]) { |
| 196 | matches++; |
| 197 | *s = ch; |
| 198 | } |
| 199 | s++; |
| 200 | } |
| 201 | STABSET(str); |
| 202 | return matches; |
| 203 | } |
| 204 | |
| 205 | int |
| 206 | do_split(s,spat,retary) |
| 207 | register char *s; |
| 208 | register SPAT *spat; |
| 209 | STR ***retary; |
| 210 | { |
| 211 | register STR *dstr; |
| 212 | register char *m; |
| 213 | register ARRAY *ary; |
| 214 | static ARRAY *myarray = Null(ARRAY*); |
| 215 | int iters = 0; |
| 216 | STR **sarg; |
| 217 | register char *e; |
| 218 | int i; |
| 219 | |
| 220 | if (!spat || !s) |
| 221 | fatal("panic: do_split\n"); |
| 222 | else if (spat->spat_runtime) { |
| 223 | char *d; |
| 224 | |
| 225 | m = str_get(eval(spat->spat_runtime,Null(STR***))); |
| 9bb9d9f7 |
226 | if (!*m || (*m == ' ' && !m[1])) { |
| 227 | m = "[ \\t\\n]+"; |
| 228 | while (isspace(*s)) s++; |
| 229 | } |
| 230 | if (spat->spat_runtime->arg_type == O_ITEM && |
| 231 | spat->spat_runtime[1].arg_type == A_SINGLE) { |
| 232 | arg_free(spat->spat_runtime); /* it won't change, so */ |
| 233 | spat->spat_runtime = Nullarg; /* no point compiling again */ |
| 234 | } |
| 8d063cd8 |
235 | if (d = compile(&spat->spat_compex,m,TRUE,FALSE)) { |
| 236 | #ifdef DEBUGGING |
| 237 | deb("/%s/: %s\n", m, d); |
| 238 | #endif |
| 239 | return FALSE; |
| 240 | } |
| 241 | } |
| 242 | #ifdef DEBUGGING |
| 243 | if (debug & 8) { |
| 244 | deb("2.SPAT /%s/\n",spat->spat_compex.precomp); |
| 245 | } |
| 246 | #endif |
| 247 | if (retary) |
| 248 | ary = myarray; |
| 249 | else |
| 250 | ary = spat->spat_repl[1].arg_ptr.arg_stab->stab_array; |
| 251 | if (!ary) |
| 252 | myarray = ary = anew(); |
| 253 | ary->ary_fill = -1; |
| 254 | while (*s && (m = execute(&spat->spat_compex, s, (iters == 0), 1))) { |
| 255 | if (spat->spat_compex.numsubs) |
| 256 | s = spat->spat_compex.subbase; |
| 257 | dstr = str_new(m-s); |
| 258 | str_nset(dstr,s,m-s); |
| 259 | astore(ary, iters++, dstr); |
| 260 | if (iters > 10000) |
| 261 | fatal("Substitution loop?\n"); |
| 262 | s = spat->spat_compex.subend[0]; |
| 263 | } |
| 264 | if (*s) { /* ignore field after final "whitespace" */ |
| 265 | dstr = str_new(0); /* if they interpolate, it's null anyway */ |
| 266 | str_set(dstr,s); |
| 267 | astore(ary, iters++, dstr); |
| 268 | } |
| 269 | else { |
| 270 | while (iters > 0 && !*str_get(afetch(ary,iters-1))) |
| 271 | iters--; |
| 272 | } |
| 273 | if (retary) { |
| 274 | sarg = (STR**)safemalloc((iters+2)*sizeof(STR*)); |
| 275 | |
| 276 | sarg[0] = Nullstr; |
| 277 | sarg[iters+1] = Nullstr; |
| 278 | for (i = 1; i <= iters; i++) |
| 279 | sarg[i] = afetch(ary,i-1); |
| 280 | *retary = sarg; |
| 281 | } |
| 282 | return iters; |
| 283 | } |
| 284 | |
| 285 | void |
| 286 | do_join(arg,delim,str) |
| 287 | register ARG *arg; |
| 288 | register char *delim; |
| 289 | register STR *str; |
| 290 | { |
| 291 | STR **tmpary; /* must not be register */ |
| 292 | register STR **elem; |
| 293 | |
| 294 | (void)eval(arg[2].arg_ptr.arg_arg,&tmpary); |
| 295 | elem = tmpary+1; |
| 296 | if (*elem) |
| 297 | str_sset(str,*elem++); |
| 298 | for (; *elem; elem++) { |
| 299 | str_cat(str,delim); |
| 300 | str_scat(str,*elem); |
| 301 | } |
| 302 | STABSET(str); |
| 303 | safefree((char*)tmpary); |
| 304 | } |
| 305 | |
| 306 | bool |
| 307 | do_open(stab,name) |
| 308 | STAB *stab; |
| 309 | register char *name; |
| 310 | { |
| 311 | FILE *fp; |
| 312 | int len = strlen(name); |
| 313 | register STIO *stio = stab->stab_io; |
| 314 | |
| 315 | while (len && isspace(name[len-1])) |
| 316 | name[--len] = '\0'; |
| 317 | if (!stio) |
| 318 | stio = stab->stab_io = stio_new(); |
| 319 | if (stio->fp) { |
| 320 | if (stio->type == '|') |
| 321 | pclose(stio->fp); |
| 322 | else if (stio->type != '-') |
| 323 | fclose(stio->fp); |
| 324 | stio->fp = Nullfp; |
| 325 | } |
| 326 | stio->type = *name; |
| 327 | if (*name == '|') { |
| 328 | for (name++; isspace(*name); name++) ; |
| 329 | fp = popen(name,"w"); |
| 330 | } |
| 331 | else if (*name == '>' && name[1] == '>') { |
| 332 | for (name += 2; isspace(*name); name++) ; |
| 333 | fp = fopen(name,"a"); |
| 334 | } |
| 335 | else if (*name == '>') { |
| 336 | for (name++; isspace(*name); name++) ; |
| 337 | if (strEQ(name,"-")) { |
| 338 | fp = stdout; |
| 339 | stio->type = '-'; |
| 340 | } |
| 341 | else |
| 342 | fp = fopen(name,"w"); |
| 343 | } |
| 344 | else { |
| 345 | if (*name == '<') { |
| 346 | for (name++; isspace(*name); name++) ; |
| 347 | if (strEQ(name,"-")) { |
| 348 | fp = stdin; |
| 349 | stio->type = '-'; |
| 350 | } |
| 351 | else |
| 352 | fp = fopen(name,"r"); |
| 353 | } |
| 354 | else if (name[len-1] == '|') { |
| 355 | name[--len] = '\0'; |
| 356 | while (len && isspace(name[len-1])) |
| 357 | name[--len] = '\0'; |
| 358 | for (; isspace(*name); name++) ; |
| 359 | fp = popen(name,"r"); |
| 360 | stio->type = '|'; |
| 361 | } |
| 362 | else { |
| 363 | stio->type = '<'; |
| 364 | for (; isspace(*name); name++) ; |
| 365 | if (strEQ(name,"-")) { |
| 366 | fp = stdin; |
| 367 | stio->type = '-'; |
| 368 | } |
| 369 | else |
| 370 | fp = fopen(name,"r"); |
| 371 | } |
| 372 | } |
| 373 | if (!fp) |
| 374 | return FALSE; |
| 375 | if (stio->type != '|' && stio->type != '-') { |
| 376 | if (fstat(fileno(fp),&statbuf) < 0) { |
| 377 | fclose(fp); |
| 378 | return FALSE; |
| 379 | } |
| 380 | if ((statbuf.st_mode & S_IFMT) != S_IFREG && |
| 381 | (statbuf.st_mode & S_IFMT) != S_IFCHR) { |
| 382 | fclose(fp); |
| 383 | return FALSE; |
| 384 | } |
| 385 | } |
| 386 | stio->fp = fp; |
| 387 | return TRUE; |
| 388 | } |
| 389 | |
| 390 | FILE * |
| 391 | nextargv(stab) |
| 392 | register STAB *stab; |
| 393 | { |
| 394 | register STR *str; |
| 395 | char *oldname; |
| 396 | |
| 397 | while (alen(stab->stab_array) >= 0L) { |
| 398 | str = ashift(stab->stab_array); |
| 399 | str_sset(stab->stab_val,str); |
| 400 | STABSET(stab->stab_val); |
| 401 | oldname = str_get(stab->stab_val); |
| 402 | if (do_open(stab,oldname)) { |
| 403 | if (inplace) { |
| 404 | if (*inplace) { |
| 405 | str_cat(str,inplace); |
| 406 | #ifdef RENAME |
| 407 | rename(oldname,str->str_ptr); |
| 408 | #else |
| 409 | UNLINK(str->str_ptr); |
| 410 | link(oldname,str->str_ptr); |
| 411 | UNLINK(oldname); |
| 412 | #endif |
| 413 | } |
| 414 | sprintf(tokenbuf,">%s",oldname); |
| 415 | do_open(argvoutstab,tokenbuf); |
| 416 | defoutstab = argvoutstab; |
| 417 | } |
| 418 | str_free(str); |
| 419 | return stab->stab_io->fp; |
| 420 | } |
| 421 | else |
| 422 | fprintf(stderr,"Can't open %s\n",str_get(str)); |
| 423 | str_free(str); |
| 424 | } |
| 425 | if (inplace) { |
| 426 | do_close(argvoutstab,FALSE); |
| 427 | defoutstab = stabent("stdout",TRUE); |
| 428 | } |
| 429 | return Nullfp; |
| 430 | } |
| 431 | |
| 432 | bool |
| 433 | do_close(stab,explicit) |
| 434 | STAB *stab; |
| 435 | bool explicit; |
| 436 | { |
| 437 | bool retval = FALSE; |
| 438 | register STIO *stio = stab->stab_io; |
| 439 | |
| 440 | if (!stio) /* never opened */ |
| 441 | return FALSE; |
| 442 | if (stio->fp) { |
| 443 | if (stio->type == '|') |
| 444 | retval = (pclose(stio->fp) >= 0); |
| 445 | else if (stio->type == '-') |
| 446 | retval = TRUE; |
| 447 | else |
| 448 | retval = (fclose(stio->fp) != EOF); |
| 449 | stio->fp = Nullfp; |
| 450 | } |
| 451 | if (explicit) |
| 452 | stio->lines = 0; |
| 453 | stio->type = ' '; |
| 454 | return retval; |
| 455 | } |
| 456 | |
| 457 | bool |
| 458 | do_eof(stab) |
| 459 | STAB *stab; |
| 460 | { |
| 461 | register STIO *stio; |
| 462 | int ch; |
| 463 | |
| 464 | if (!stab) |
| 465 | return TRUE; |
| 466 | |
| 467 | stio = stab->stab_io; |
| 468 | if (!stio) |
| 469 | return TRUE; |
| 470 | |
| 471 | while (stio->fp) { |
| 472 | |
| 473 | #ifdef STDSTDIO /* (the code works without this) */ |
| 474 | if (stio->fp->_cnt) /* cheat a little, since */ |
| 475 | return FALSE; /* this is the most usual case */ |
| 476 | #endif |
| 477 | |
| 478 | ch = getc(stio->fp); |
| 479 | if (ch != EOF) { |
| 480 | ungetc(ch, stio->fp); |
| 481 | return FALSE; |
| 482 | } |
| 483 | if (stio->flags & IOF_ARGV) { /* not necessarily a real EOF yet? */ |
| 484 | if (!nextargv(stab)) /* get another fp handy */ |
| 485 | return TRUE; |
| 486 | } |
| 487 | else |
| 488 | return TRUE; /* normal fp, definitely end of file */ |
| 489 | } |
| 490 | return TRUE; |
| 491 | } |
| 492 | |
| 493 | long |
| 494 | do_tell(stab) |
| 495 | STAB *stab; |
| 496 | { |
| 497 | register STIO *stio; |
| 498 | int ch; |
| 499 | |
| 500 | if (!stab) |
| 501 | return -1L; |
| 502 | |
| 503 | stio = stab->stab_io; |
| 504 | if (!stio || !stio->fp) |
| 505 | return -1L; |
| 506 | |
| 507 | return ftell(stio->fp); |
| 508 | } |
| 509 | |
| 510 | bool |
| 511 | do_seek(stab, pos, whence) |
| 512 | STAB *stab; |
| 513 | long pos; |
| 514 | int whence; |
| 515 | { |
| 516 | register STIO *stio; |
| 517 | |
| 518 | if (!stab) |
| 519 | return FALSE; |
| 520 | |
| 521 | stio = stab->stab_io; |
| 522 | if (!stio || !stio->fp) |
| 523 | return FALSE; |
| 524 | |
| 525 | return fseek(stio->fp, pos, whence) >= 0; |
| 526 | } |
| 527 | |
| 528 | do_stat(arg,sarg,retary) |
| 529 | register ARG *arg; |
| 530 | register STR **sarg; |
| 531 | STR ***retary; |
| 532 | { |
| 533 | register ARRAY *ary; |
| 534 | static ARRAY *myarray = Null(ARRAY*); |
| 535 | int max = 13; |
| 536 | register int i; |
| 537 | |
| 538 | ary = myarray; |
| 539 | if (!ary) |
| 540 | myarray = ary = anew(); |
| 541 | ary->ary_fill = -1; |
| 542 | if (arg[1].arg_type == A_LVAL) { |
| 543 | tmpstab = arg[1].arg_ptr.arg_stab; |
| 544 | if (!tmpstab->stab_io || |
| 545 | fstat(fileno(tmpstab->stab_io->fp),&statbuf) < 0) { |
| 546 | max = 0; |
| 547 | } |
| 548 | } |
| 549 | else |
| 550 | if (stat(str_get(sarg[1]),&statbuf) < 0) |
| 551 | max = 0; |
| 552 | |
| 553 | if (retary) { |
| 554 | if (max) { |
| 555 | apush(ary,str_nmake((double)statbuf.st_dev)); |
| 556 | apush(ary,str_nmake((double)statbuf.st_ino)); |
| 557 | apush(ary,str_nmake((double)statbuf.st_mode)); |
| 558 | apush(ary,str_nmake((double)statbuf.st_nlink)); |
| 559 | apush(ary,str_nmake((double)statbuf.st_uid)); |
| 560 | apush(ary,str_nmake((double)statbuf.st_gid)); |
| 561 | apush(ary,str_nmake((double)statbuf.st_rdev)); |
| 562 | apush(ary,str_nmake((double)statbuf.st_size)); |
| 563 | apush(ary,str_nmake((double)statbuf.st_atime)); |
| 564 | apush(ary,str_nmake((double)statbuf.st_mtime)); |
| 565 | apush(ary,str_nmake((double)statbuf.st_ctime)); |
| 135863df |
566 | #ifdef STATBLOCKS |
| 8d063cd8 |
567 | apush(ary,str_nmake((double)statbuf.st_blksize)); |
| 568 | apush(ary,str_nmake((double)statbuf.st_blocks)); |
| 135863df |
569 | #else |
| d96024cf |
570 | apush(ary,str_make("")); |
| 571 | apush(ary,str_make("")); |
| 135863df |
572 | #endif |
| 8d063cd8 |
573 | } |
| 574 | sarg = (STR**)safemalloc((max+2)*sizeof(STR*)); |
| 575 | sarg[0] = Nullstr; |
| 576 | sarg[max+1] = Nullstr; |
| 577 | for (i = 1; i <= max; i++) |
| 578 | sarg[i] = afetch(ary,i-1); |
| 579 | *retary = sarg; |
| 580 | } |
| 581 | return max; |
| 582 | } |
| 583 | |
| 584 | do_tms(retary) |
| 585 | STR ***retary; |
| 586 | { |
| 587 | register ARRAY *ary; |
| 588 | static ARRAY *myarray = Null(ARRAY*); |
| 589 | register STR **sarg; |
| 590 | int max = 4; |
| 591 | register int i; |
| 592 | |
| 593 | ary = myarray; |
| 594 | if (!ary) |
| 595 | myarray = ary = anew(); |
| 596 | ary->ary_fill = -1; |
| 597 | if (times(×buf) < 0) |
| 598 | max = 0; |
| 599 | |
| 600 | if (retary) { |
| 601 | if (max) { |
| 602 | apush(ary,str_nmake(((double)timesbuf.tms_utime)/60.0)); |
| 603 | apush(ary,str_nmake(((double)timesbuf.tms_stime)/60.0)); |
| 604 | apush(ary,str_nmake(((double)timesbuf.tms_cutime)/60.0)); |
| 605 | apush(ary,str_nmake(((double)timesbuf.tms_cstime)/60.0)); |
| 606 | } |
| 607 | sarg = (STR**)safemalloc((max+2)*sizeof(STR*)); |
| 608 | sarg[0] = Nullstr; |
| 609 | sarg[max+1] = Nullstr; |
| 610 | for (i = 1; i <= max; i++) |
| 611 | sarg[i] = afetch(ary,i-1); |
| 612 | *retary = sarg; |
| 613 | } |
| 614 | return max; |
| 615 | } |
| 616 | |
| 617 | do_time(tmbuf,retary) |
| 618 | struct tm *tmbuf; |
| 619 | STR ***retary; |
| 620 | { |
| 621 | register ARRAY *ary; |
| 622 | static ARRAY *myarray = Null(ARRAY*); |
| 623 | register STR **sarg; |
| 624 | int max = 9; |
| 625 | register int i; |
| 626 | STR *str; |
| 627 | |
| 628 | ary = myarray; |
| 629 | if (!ary) |
| 630 | myarray = ary = anew(); |
| 631 | ary->ary_fill = -1; |
| 632 | if (!tmbuf) |
| 633 | max = 0; |
| 634 | |
| 635 | if (retary) { |
| 636 | if (max) { |
| 637 | apush(ary,str_nmake((double)tmbuf->tm_sec)); |
| 638 | apush(ary,str_nmake((double)tmbuf->tm_min)); |
| 639 | apush(ary,str_nmake((double)tmbuf->tm_hour)); |
| 640 | apush(ary,str_nmake((double)tmbuf->tm_mday)); |
| 641 | apush(ary,str_nmake((double)tmbuf->tm_mon)); |
| 642 | apush(ary,str_nmake((double)tmbuf->tm_year)); |
| 643 | apush(ary,str_nmake((double)tmbuf->tm_wday)); |
| 644 | apush(ary,str_nmake((double)tmbuf->tm_yday)); |
| 645 | apush(ary,str_nmake((double)tmbuf->tm_isdst)); |
| 646 | } |
| 647 | sarg = (STR**)safemalloc((max+2)*sizeof(STR*)); |
| 648 | sarg[0] = Nullstr; |
| 649 | sarg[max+1] = Nullstr; |
| 650 | for (i = 1; i <= max; i++) |
| 651 | sarg[i] = afetch(ary,i-1); |
| 652 | *retary = sarg; |
| 653 | } |
| 654 | return max; |
| 655 | } |
| 656 | |
| 657 | void |
| 658 | do_sprintf(str,len,sarg) |
| 659 | register STR *str; |
| 660 | register int len; |
| 661 | register STR **sarg; |
| 662 | { |
| 663 | register char *s; |
| 664 | register char *t; |
| 665 | bool dolong; |
| 666 | char ch; |
| f9ad7436 |
667 | static STR *sargnull = &str_no; |
| 8d063cd8 |
668 | |
| 669 | str_set(str,""); |
| 670 | len--; /* don't count pattern string */ |
| 671 | sarg++; |
| f9ad7436 |
672 | for (s = str_get(*(sarg++)); *s; len--) { |
| 673 | if (len <= 0 || !*sarg) { |
| 674 | sarg = &sargnull; |
| 675 | len = 0; |
| 676 | } |
| 8d063cd8 |
677 | dolong = FALSE; |
| 678 | for (t = s; *t && *t != '%'; t++) ; |
| 679 | if (!*t) |
| 680 | break; /* not enough % patterns, oh well */ |
| 681 | for (t++; *sarg && *t && t != s; t++) { |
| 682 | switch (*t) { |
| 683 | case '\0': |
| 684 | break; |
| 685 | case '%': |
| 686 | ch = *(++t); |
| 687 | *t = '\0'; |
| 688 | sprintf(buf,s); |
| 689 | s = t; |
| 690 | *(t--) = ch; |
| 691 | break; |
| 692 | case 'l': |
| 693 | dolong = TRUE; |
| 694 | break; |
| 695 | case 'D': case 'X': case 'O': |
| 696 | dolong = TRUE; |
| 697 | /* FALL THROUGH */ |
| 698 | case 'd': case 'x': case 'o': case 'c': |
| 699 | ch = *(++t); |
| 700 | *t = '\0'; |
| 701 | if (dolong) |
| 702 | sprintf(buf,s,(long)str_gnum(*(sarg++))); |
| 703 | else |
| 704 | sprintf(buf,s,(int)str_gnum(*(sarg++))); |
| 705 | s = t; |
| 706 | *(t--) = ch; |
| 707 | break; |
| 708 | case 'E': case 'e': case 'f': case 'G': case 'g': |
| 709 | ch = *(++t); |
| 710 | *t = '\0'; |
| 711 | sprintf(buf,s,str_gnum(*(sarg++))); |
| 712 | s = t; |
| 713 | *(t--) = ch; |
| 714 | break; |
| 715 | case 's': |
| 716 | ch = *(++t); |
| 717 | *t = '\0'; |
| 718 | sprintf(buf,s,str_get(*(sarg++))); |
| 719 | s = t; |
| 720 | *(t--) = ch; |
| 721 | break; |
| 722 | } |
| 723 | } |
| 724 | str_cat(str,buf); |
| 725 | } |
| 726 | if (*s) |
| 727 | str_cat(str,s); |
| 728 | STABSET(str); |
| 729 | } |
| 730 | |
| 731 | bool |
| 732 | do_print(s,fp) |
| 733 | char *s; |
| 734 | FILE *fp; |
| 735 | { |
| 736 | if (!fp || !s) |
| 737 | return FALSE; |
| 738 | fputs(s,fp); |
| 739 | return TRUE; |
| 740 | } |
| 741 | |
| 742 | bool |
| 743 | do_aprint(arg,fp) |
| 744 | register ARG *arg; |
| 745 | register FILE *fp; |
| 746 | { |
| 747 | STR **tmpary; /* must not be register */ |
| 748 | register STR **elem; |
| 749 | register bool retval; |
| 750 | double value; |
| 751 | |
| 752 | (void)eval(arg[1].arg_ptr.arg_arg,&tmpary); |
| 753 | if (arg->arg_type == O_PRTF) { |
| 754 | do_sprintf(arg->arg_ptr.arg_str,32767,tmpary); |
| 755 | retval = do_print(str_get(arg->arg_ptr.arg_str),fp); |
| 756 | } |
| 757 | else { |
| 758 | retval = FALSE; |
| 759 | for (elem = tmpary+1; *elem; elem++) { |
| 760 | if (retval && ofs) |
| 761 | do_print(ofs, fp); |
| 762 | if (ofmt && fp) { |
| 763 | if ((*elem)->str_nok || str_gnum(*elem) != 0.0) |
| 764 | fprintf(fp, ofmt, str_gnum(*elem)); |
| 765 | retval = TRUE; |
| 766 | } |
| 767 | else |
| 768 | retval = do_print(str_get(*elem), fp); |
| 769 | if (!retval) |
| 770 | break; |
| 771 | } |
| 772 | if (ors) |
| 773 | retval = do_print(ors, fp); |
| 774 | } |
| 775 | safefree((char*)tmpary); |
| 776 | return retval; |
| 777 | } |
| 778 | |
| 779 | bool |
| 780 | do_aexec(arg) |
| 781 | register ARG *arg; |
| 782 | { |
| 783 | STR **tmpary; /* must not be register */ |
| 784 | register STR **elem; |
| 785 | register char **a; |
| 786 | register int i; |
| 787 | char **argv; |
| 788 | |
| 789 | (void)eval(arg[1].arg_ptr.arg_arg,&tmpary); |
| 790 | i = 0; |
| 791 | for (elem = tmpary+1; *elem; elem++) |
| 792 | i++; |
| 793 | if (i) { |
| 794 | argv = (char**)safemalloc((i+1)*sizeof(char*)); |
| 795 | a = argv; |
| 796 | for (elem = tmpary+1; *elem; elem++) { |
| 797 | *a++ = str_get(*elem); |
| 798 | } |
| 799 | *a = Nullch; |
| 800 | execvp(argv[0],argv); |
| 801 | safefree((char*)argv); |
| 802 | } |
| 803 | safefree((char*)tmpary); |
| 804 | return FALSE; |
| 805 | } |
| 806 | |
| 807 | bool |
| 808 | do_exec(cmd) |
| 809 | char *cmd; |
| 810 | { |
| 811 | STR **tmpary; /* must not be register */ |
| 812 | register char **a; |
| 813 | register char *s; |
| 814 | char **argv; |
| 815 | |
| 816 | /* see if there are shell metacharacters in it */ |
| 817 | |
| 818 | for (s = cmd; *s; s++) { |
| 819 | if (*s != ' ' && !isalpha(*s) && index("$&*(){}[]'\";\\|?<>~`",*s)) { |
| 820 | execl("/bin/sh","sh","-c",cmd,0); |
| 821 | return FALSE; |
| 822 | } |
| 823 | } |
| 824 | argv = (char**)safemalloc(((s - cmd) / 2 + 2)*sizeof(char*)); |
| 825 | |
| 826 | a = argv; |
| 827 | for (s = cmd; *s;) { |
| 828 | while (isspace(*s)) s++; |
| 829 | if (*s) |
| 830 | *(a++) = s; |
| 831 | while (*s && !isspace(*s)) s++; |
| 832 | if (*s) |
| 833 | *s++ = '\0'; |
| 834 | } |
| 835 | *a = Nullch; |
| 836 | if (argv[0]) |
| 837 | execvp(argv[0],argv); |
| 838 | safefree((char*)argv); |
| 839 | return FALSE; |
| 840 | } |
| 841 | |
| 842 | STR * |
| 843 | do_push(arg,ary) |
| 844 | register ARG *arg; |
| 845 | register ARRAY *ary; |
| 846 | { |
| 847 | STR **tmpary; /* must not be register */ |
| 848 | register STR **elem; |
| 849 | register STR *str = &str_no; |
| 850 | |
| 851 | (void)eval(arg[1].arg_ptr.arg_arg,&tmpary); |
| 852 | for (elem = tmpary+1; *elem; elem++) { |
| 853 | str = str_new(0); |
| 854 | str_sset(str,*elem); |
| 855 | apush(ary,str); |
| 856 | } |
| 857 | safefree((char*)tmpary); |
| 858 | return str; |
| 859 | } |
| 860 | |
| 861 | do_unshift(arg,ary) |
| 862 | register ARG *arg; |
| 863 | register ARRAY *ary; |
| 864 | { |
| 865 | STR **tmpary; /* must not be register */ |
| 866 | register STR **elem; |
| 867 | register STR *str = &str_no; |
| 868 | register int i; |
| 869 | |
| 870 | (void)eval(arg[1].arg_ptr.arg_arg,&tmpary); |
| 871 | i = 0; |
| 872 | for (elem = tmpary+1; *elem; elem++) |
| 873 | i++; |
| 874 | aunshift(ary,i); |
| 875 | i = 0; |
| 876 | for (elem = tmpary+1; *elem; elem++) { |
| 877 | str = str_new(0); |
| 878 | str_sset(str,*elem); |
| 879 | astore(ary,i++,str); |
| 880 | } |
| 881 | safefree((char*)tmpary); |
| 882 | } |
| 883 | |
| 884 | apply(type,arg,sarg) |
| 885 | int type; |
| 886 | register ARG *arg; |
| 887 | STR **sarg; |
| 888 | { |
| 889 | STR **tmpary; /* must not be register */ |
| 890 | register STR **elem; |
| 891 | register int i; |
| 892 | register int val; |
| 893 | register int val2; |
| 894 | |
| 895 | if (sarg) |
| 896 | tmpary = sarg; |
| 897 | else |
| 898 | (void)eval(arg[1].arg_ptr.arg_arg,&tmpary); |
| 899 | i = 0; |
| 900 | for (elem = tmpary+1; *elem; elem++) |
| 901 | i++; |
| 902 | switch (type) { |
| 903 | case O_CHMOD: |
| 904 | if (--i > 0) { |
| 905 | val = (int)str_gnum(tmpary[1]); |
| 906 | for (elem = tmpary+2; *elem; elem++) |
| 907 | if (chmod(str_get(*elem),val)) |
| 908 | i--; |
| 909 | } |
| 910 | break; |
| 911 | case O_CHOWN: |
| 912 | if (i > 2) { |
| 913 | i -= 2; |
| 914 | val = (int)str_gnum(tmpary[1]); |
| 915 | val2 = (int)str_gnum(tmpary[2]); |
| 916 | for (elem = tmpary+3; *elem; elem++) |
| 917 | if (chown(str_get(*elem),val,val2)) |
| 918 | i--; |
| 919 | } |
| 920 | else |
| 921 | i = 0; |
| 922 | break; |
| 923 | case O_KILL: |
| 924 | if (--i > 0) { |
| 925 | val = (int)str_gnum(tmpary[1]); |
| 926 | if (val < 0) |
| 927 | val = -val; |
| 928 | for (elem = tmpary+2; *elem; elem++) |
| 929 | if (kill(atoi(str_get(*elem)),val)) |
| 930 | i--; |
| 931 | } |
| 932 | break; |
| 933 | case O_UNLINK: |
| 934 | for (elem = tmpary+1; *elem; elem++) |
| 935 | if (UNLINK(str_get(*elem))) |
| 936 | i--; |
| 937 | break; |
| 938 | } |
| 939 | if (!sarg) |
| 940 | safefree((char*)tmpary); |
| 941 | return i; |
| 942 | } |
| 943 | |
| 944 | STR * |
| 945 | do_subr(arg,sarg) |
| 946 | register ARG *arg; |
| 947 | register char **sarg; |
| 948 | { |
| 949 | ARRAY *savearray; |
| 950 | STR *str; |
| 951 | |
| 952 | savearray = defstab->stab_array; |
| 953 | defstab->stab_array = anew(); |
| 954 | if (arg[1].arg_flags & AF_SPECIAL) |
| 955 | (void)do_push(arg,defstab->stab_array); |
| 956 | else if (arg[1].arg_type != A_NULL) { |
| 957 | str = str_new(0); |
| 958 | str_sset(str,sarg[1]); |
| 959 | apush(defstab->stab_array,str); |
| 960 | } |
| 961 | str = cmd_exec(arg[2].arg_ptr.arg_stab->stab_sub); |
| 962 | afree(defstab->stab_array); /* put back old $_[] */ |
| 963 | defstab->stab_array = savearray; |
| 964 | return str; |
| 965 | } |
| 966 | |
| 967 | void |
| 968 | do_assign(retstr,arg) |
| 969 | STR *retstr; |
| 970 | register ARG *arg; |
| 971 | { |
| 972 | STR **tmpary; /* must not be register */ |
| 973 | register ARG *larg = arg[1].arg_ptr.arg_arg; |
| 974 | register STR **elem; |
| 975 | register STR *str; |
| 976 | register ARRAY *ary; |
| 977 | register int i; |
| 978 | register int lasti; |
| 979 | char *s; |
| 980 | |
| 981 | (void)eval(arg[2].arg_ptr.arg_arg,&tmpary); |
| 982 | |
| 983 | if (arg->arg_flags & AF_COMMON) { |
| 984 | if (*(tmpary+1)) { |
| 985 | for (elem=tmpary+2; *elem; elem++) { |
| 986 | *elem = str_static(*elem); |
| 987 | } |
| 988 | } |
| 989 | } |
| 990 | if (larg->arg_type == O_LIST) { |
| 991 | lasti = larg->arg_len; |
| 992 | for (i=1,elem=tmpary+1; i <= lasti; i++) { |
| 993 | if (*elem) |
| 994 | s = str_get(*(elem++)); |
| 995 | else |
| 996 | s = ""; |
| 997 | switch (larg[i].arg_type) { |
| 998 | case A_STAB: |
| 999 | case A_LVAL: |
| 1000 | str = STAB_STR(larg[i].arg_ptr.arg_stab); |
| 1001 | break; |
| 1002 | case A_LEXPR: |
| 1003 | str = eval(larg[i].arg_ptr.arg_arg,Null(STR***)); |
| 1004 | break; |
| 1005 | } |
| 1006 | str_set(str,s); |
| 1007 | STABSET(str); |
| 1008 | } |
| 1009 | i = elem - tmpary - 1; |
| 1010 | } |
| 1011 | else { /* should be an array name */ |
| 1012 | ary = larg[1].arg_ptr.arg_stab->stab_array; |
| 1013 | for (i=0,elem=tmpary+1; *elem; i++) { |
| 1014 | str = str_new(0); |
| 1015 | if (*elem) |
| 1016 | str_sset(str,*(elem++)); |
| 1017 | astore(ary,i,str); |
| 1018 | } |
| 1019 | ary->ary_fill = i - 1; /* they can get the extra ones back by */ |
| 1020 | } /* setting an element larger than old fill */ |
| 1021 | str_numset(retstr,(double)i); |
| 1022 | STABSET(retstr); |
| 1023 | safefree((char*)tmpary); |
| 1024 | } |
| 1025 | |
| 1026 | int |
| 1027 | do_kv(hash,kv,sarg,retary) |
| 1028 | HASH *hash; |
| 1029 | int kv; |
| 1030 | register STR **sarg; |
| 1031 | STR ***retary; |
| 1032 | { |
| 1033 | register ARRAY *ary; |
| 1034 | int max = 0; |
| 1035 | int i; |
| 1036 | static ARRAY *myarray = Null(ARRAY*); |
| 1037 | register HENT *entry; |
| 1038 | |
| 1039 | ary = myarray; |
| 1040 | if (!ary) |
| 1041 | myarray = ary = anew(); |
| 1042 | ary->ary_fill = -1; |
| 1043 | |
| 1044 | hiterinit(hash); |
| 1045 | while (entry = hiternext(hash)) { |
| 1046 | max++; |
| 1047 | if (kv == O_KEYS) |
| 1048 | apush(ary,str_make(hiterkey(entry))); |
| 1049 | else |
| 1050 | apush(ary,str_make(str_get(hiterval(entry)))); |
| 1051 | } |
| 1052 | if (retary) { /* array wanted */ |
| 1053 | sarg = (STR**)saferealloc((char*)sarg,(max+2)*sizeof(STR*)); |
| 1054 | sarg[0] = Nullstr; |
| 1055 | sarg[max+1] = Nullstr; |
| 1056 | for (i = 1; i <= max; i++) |
| 1057 | sarg[i] = afetch(ary,i-1); |
| 1058 | *retary = sarg; |
| 1059 | } |
| 1060 | return max; |
| 1061 | } |
| 1062 | |
| 1063 | STR * |
| 1064 | do_each(hash,sarg,retary) |
| 1065 | HASH *hash; |
| 1066 | register STR **sarg; |
| 1067 | STR ***retary; |
| 1068 | { |
| 1069 | static STR *mystr = Nullstr; |
| 1070 | STR *retstr; |
| 1071 | HENT *entry = hiternext(hash); |
| 1072 | |
| 1073 | if (mystr) { |
| 1074 | str_free(mystr); |
| 1075 | mystr = Nullstr; |
| 1076 | } |
| 1077 | |
| 1078 | if (retary) { /* array wanted */ |
| 1079 | if (entry) { |
| 1080 | sarg = (STR**)saferealloc((char*)sarg,4*sizeof(STR*)); |
| 1081 | sarg[0] = Nullstr; |
| 1082 | sarg[3] = Nullstr; |
| 1083 | sarg[1] = mystr = str_make(hiterkey(entry)); |
| 1084 | retstr = sarg[2] = hiterval(entry); |
| 1085 | *retary = sarg; |
| 1086 | } |
| 1087 | else { |
| 1088 | sarg = (STR**)saferealloc((char*)sarg,2*sizeof(STR*)); |
| 1089 | sarg[0] = Nullstr; |
| 1090 | sarg[1] = retstr = Nullstr; |
| 1091 | *retary = sarg; |
| 1092 | } |
| 1093 | } |
| 1094 | else |
| 1095 | retstr = hiterval(entry); |
| 1096 | |
| 1097 | return retstr; |
| 1098 | } |
| 1099 | |
| 1100 | init_eval() |
| 1101 | { |
| 1102 | register int i; |
| 1103 | |
| 1104 | #define A(e1,e2,e3) (e1+(e2<<1)+(e3<<2)) |
| 1105 | opargs[O_ITEM] = A(1,0,0); |
| 1106 | opargs[O_ITEM2] = A(0,0,0); |
| 1107 | opargs[O_ITEM3] = A(0,0,0); |
| 1108 | opargs[O_CONCAT] = A(1,1,0); |
| 1109 | opargs[O_MATCH] = A(1,0,0); |
| 1110 | opargs[O_NMATCH] = A(1,0,0); |
| 1111 | opargs[O_SUBST] = A(1,0,0); |
| 1112 | opargs[O_NSUBST] = A(1,0,0); |
| 1113 | opargs[O_ASSIGN] = A(1,1,0); |
| 1114 | opargs[O_MULTIPLY] = A(1,1,0); |
| 1115 | opargs[O_DIVIDE] = A(1,1,0); |
| 1116 | opargs[O_MODULO] = A(1,1,0); |
| 1117 | opargs[O_ADD] = A(1,1,0); |
| 1118 | opargs[O_SUBTRACT] = A(1,1,0); |
| 1119 | opargs[O_LEFT_SHIFT] = A(1,1,0); |
| 1120 | opargs[O_RIGHT_SHIFT] = A(1,1,0); |
| 1121 | opargs[O_LT] = A(1,1,0); |
| 1122 | opargs[O_GT] = A(1,1,0); |
| 1123 | opargs[O_LE] = A(1,1,0); |
| 1124 | opargs[O_GE] = A(1,1,0); |
| 1125 | opargs[O_EQ] = A(1,1,0); |
| 1126 | opargs[O_NE] = A(1,1,0); |
| 1127 | opargs[O_BIT_AND] = A(1,1,0); |
| 1128 | opargs[O_XOR] = A(1,1,0); |
| 1129 | opargs[O_BIT_OR] = A(1,1,0); |
| 1130 | opargs[O_AND] = A(1,0,0); /* don't eval arg 2 (yet) */ |
| 1131 | opargs[O_OR] = A(1,0,0); /* don't eval arg 2 (yet) */ |
| 1132 | opargs[O_COND_EXPR] = A(1,0,0); /* don't eval args 2 or 3 */ |
| 1133 | opargs[O_COMMA] = A(1,1,0); |
| 1134 | opargs[O_NEGATE] = A(1,0,0); |
| 1135 | opargs[O_NOT] = A(1,0,0); |
| 1136 | opargs[O_COMPLEMENT] = A(1,0,0); |
| 1137 | opargs[O_WRITE] = A(1,0,0); |
| 1138 | opargs[O_OPEN] = A(1,1,0); |
| 1139 | opargs[O_TRANS] = A(1,0,0); |
| 1140 | opargs[O_NTRANS] = A(1,0,0); |
| 1141 | opargs[O_CLOSE] = A(0,0,0); |
| 1142 | opargs[O_ARRAY] = A(1,0,0); |
| 1143 | opargs[O_HASH] = A(1,0,0); |
| 1144 | opargs[O_LARRAY] = A(1,0,0); |
| 1145 | opargs[O_LHASH] = A(1,0,0); |
| 1146 | opargs[O_PUSH] = A(1,0,0); |
| 1147 | opargs[O_POP] = A(0,0,0); |
| 1148 | opargs[O_SHIFT] = A(0,0,0); |
| 1149 | opargs[O_SPLIT] = A(1,0,0); |
| 1150 | opargs[O_LENGTH] = A(1,0,0); |
| 1151 | opargs[O_SPRINTF] = A(1,0,0); |
| 1152 | opargs[O_SUBSTR] = A(1,1,1); |
| 1153 | opargs[O_JOIN] = A(1,0,0); |
| 1154 | opargs[O_SLT] = A(1,1,0); |
| 1155 | opargs[O_SGT] = A(1,1,0); |
| 1156 | opargs[O_SLE] = A(1,1,0); |
| 1157 | opargs[O_SGE] = A(1,1,0); |
| 1158 | opargs[O_SEQ] = A(1,1,0); |
| 1159 | opargs[O_SNE] = A(1,1,0); |
| 1160 | opargs[O_SUBR] = A(1,0,0); |
| 1161 | opargs[O_PRINT] = A(1,0,0); |
| 1162 | opargs[O_CHDIR] = A(1,0,0); |
| 1163 | opargs[O_DIE] = A(1,0,0); |
| 1164 | opargs[O_EXIT] = A(1,0,0); |
| 1165 | opargs[O_RESET] = A(1,0,0); |
| 1166 | opargs[O_LIST] = A(0,0,0); |
| 1167 | opargs[O_EOF] = A(0,0,0); |
| 1168 | opargs[O_TELL] = A(0,0,0); |
| 1169 | opargs[O_SEEK] = A(0,1,1); |
| 1170 | opargs[O_LAST] = A(1,0,0); |
| 1171 | opargs[O_NEXT] = A(1,0,0); |
| 1172 | opargs[O_REDO] = A(1,0,0); |
| 1173 | opargs[O_GOTO] = A(1,0,0); |
| 1174 | opargs[O_INDEX] = A(1,1,0); |
| 1175 | opargs[O_TIME] = A(0,0,0); |
| 1176 | opargs[O_TMS] = A(0,0,0); |
| 1177 | opargs[O_LOCALTIME] = A(1,0,0); |
| 1178 | opargs[O_GMTIME] = A(1,0,0); |
| 1179 | opargs[O_STAT] = A(1,0,0); |
| 1180 | opargs[O_CRYPT] = A(1,1,0); |
| 1181 | opargs[O_EXP] = A(1,0,0); |
| 1182 | opargs[O_LOG] = A(1,0,0); |
| 1183 | opargs[O_SQRT] = A(1,0,0); |
| 1184 | opargs[O_INT] = A(1,0,0); |
| 1185 | opargs[O_PRTF] = A(1,0,0); |
| 1186 | opargs[O_ORD] = A(1,0,0); |
| 1187 | opargs[O_SLEEP] = A(1,0,0); |
| 1188 | opargs[O_FLIP] = A(1,0,0); |
| 1189 | opargs[O_FLOP] = A(0,1,0); |
| 1190 | opargs[O_KEYS] = A(0,0,0); |
| 1191 | opargs[O_VALUES] = A(0,0,0); |
| 1192 | opargs[O_EACH] = A(0,0,0); |
| 1193 | opargs[O_CHOP] = A(1,0,0); |
| 1194 | opargs[O_FORK] = A(1,0,0); |
| 1195 | opargs[O_EXEC] = A(1,0,0); |
| 1196 | opargs[O_SYSTEM] = A(1,0,0); |
| 1197 | opargs[O_OCT] = A(1,0,0); |
| 1198 | opargs[O_HEX] = A(1,0,0); |
| 1199 | opargs[O_CHMOD] = A(1,0,0); |
| 1200 | opargs[O_CHOWN] = A(1,0,0); |
| 1201 | opargs[O_KILL] = A(1,0,0); |
| 1202 | opargs[O_RENAME] = A(1,1,0); |
| 1203 | opargs[O_UNLINK] = A(1,0,0); |
| 1204 | opargs[O_UMASK] = A(1,0,0); |
| 1205 | opargs[O_UNSHIFT] = A(1,0,0); |
| 1206 | opargs[O_LINK] = A(1,1,0); |
| 1207 | opargs[O_REPEAT] = A(1,1,0); |
| a559c259 |
1208 | opargs[O_EVAL] = A(1,0,0); |
| 8d063cd8 |
1209 | } |
| 1210 | |
| 36ce8bec |
1211 | #ifdef VOIDSIG |
| 1212 | static void (*ihand)(); |
| 1213 | static void (*qhand)(); |
| 1214 | #else |
| 8d063cd8 |
1215 | static int (*ihand)(); |
| 1216 | static int (*qhand)(); |
| 36ce8bec |
1217 | #endif |
| 8d063cd8 |
1218 | |
| 1219 | STR * |
| 1220 | eval(arg,retary) |
| 1221 | register ARG *arg; |
| 1222 | STR ***retary; /* where to return an array to, null if nowhere */ |
| 1223 | { |
| 1224 | register STR *str; |
| 1225 | register int anum; |
| 1226 | register int optype; |
| 1227 | register int maxarg; |
| 1228 | double value; |
| 1229 | STR *quicksarg[5]; |
| 1230 | register STR **sarg = quicksarg; |
| 1231 | register char *tmps; |
| 1232 | char *tmps2; |
| 1233 | int argflags; |
| 1234 | long tmplong; |
| 1235 | FILE *fp; |
| 1236 | STR *tmpstr; |
| 1237 | FCMD *form; |
| 1238 | STAB *stab; |
| 1239 | ARRAY *ary; |
| 1240 | bool assigning = FALSE; |
| 1241 | double exp(), log(), sqrt(), modf(); |
| 1242 | char *crypt(), *getenv(); |
| 1243 | |
| 1244 | if (!arg) |
| 1245 | return &str_no; |
| 1246 | str = arg->arg_ptr.arg_str; |
| 1247 | optype = arg->arg_type; |
| 1248 | maxarg = arg->arg_len; |
| 1249 | if (maxarg > 3 || retary) { |
| 1250 | sarg = (STR **)safemalloc((maxarg+2) * sizeof(STR*)); |
| 1251 | } |
| 1252 | #ifdef DEBUGGING |
| 1253 | if (debug & 8) { |
| 1254 | deb("%s (%lx) %d args:\n",opname[optype],arg,maxarg); |
| 1255 | } |
| 1256 | debname[dlevel] = opname[optype][0]; |
| 1257 | debdelim[dlevel++] = ':'; |
| 1258 | #endif |
| 1259 | for (anum = 1; anum <= maxarg; anum++) { |
| 1260 | argflags = arg[anum].arg_flags; |
| 1261 | if (argflags & AF_SPECIAL) |
| 1262 | continue; |
| 1263 | re_eval: |
| 1264 | switch (arg[anum].arg_type) { |
| 1265 | default: |
| 1266 | sarg[anum] = &str_no; |
| 1267 | #ifdef DEBUGGING |
| 1268 | tmps = "NULL"; |
| 1269 | #endif |
| 1270 | break; |
| 1271 | case A_EXPR: |
| 1272 | #ifdef DEBUGGING |
| 1273 | if (debug & 8) { |
| 1274 | tmps = "EXPR"; |
| 1275 | deb("%d.EXPR =>\n",anum); |
| 1276 | } |
| 1277 | #endif |
| 1278 | sarg[anum] = eval(arg[anum].arg_ptr.arg_arg, Null(STR***)); |
| 1279 | break; |
| 1280 | case A_CMD: |
| 1281 | #ifdef DEBUGGING |
| 1282 | if (debug & 8) { |
| 1283 | tmps = "CMD"; |
| 1284 | deb("%d.CMD (%lx) =>\n",anum,arg[anum].arg_ptr.arg_cmd); |
| 1285 | } |
| 1286 | #endif |
| 1287 | sarg[anum] = cmd_exec(arg[anum].arg_ptr.arg_cmd); |
| 1288 | break; |
| 1289 | case A_STAB: |
| 1290 | sarg[anum] = STAB_STR(arg[anum].arg_ptr.arg_stab); |
| 1291 | #ifdef DEBUGGING |
| 1292 | if (debug & 8) { |
| 1293 | sprintf(buf,"STAB $%s ==",arg[anum].arg_ptr.arg_stab->stab_name); |
| 1294 | tmps = buf; |
| 1295 | } |
| 1296 | #endif |
| 1297 | break; |
| 1298 | case A_LEXPR: |
| 1299 | #ifdef DEBUGGING |
| 1300 | if (debug & 8) { |
| 1301 | tmps = "LEXPR"; |
| 1302 | deb("%d.LEXPR =>\n",anum); |
| 1303 | } |
| 1304 | #endif |
| 1305 | str = eval(arg[anum].arg_ptr.arg_arg,Null(STR***)); |
| 1306 | if (!str) |
| 1307 | fatal("panic: A_LEXPR\n"); |
| 1308 | goto do_crement; |
| 1309 | case A_LVAL: |
| 1310 | #ifdef DEBUGGING |
| 1311 | if (debug & 8) { |
| 1312 | sprintf(buf,"LVAL $%s ==",arg[anum].arg_ptr.arg_stab->stab_name); |
| 1313 | tmps = buf; |
| 1314 | } |
| 1315 | #endif |
| 1316 | str = STAB_STR(arg[anum].arg_ptr.arg_stab); |
| 1317 | if (!str) |
| 1318 | fatal("panic: A_LVAL\n"); |
| 1319 | do_crement: |
| 1320 | assigning = TRUE; |
| 1321 | if (argflags & AF_PRE) { |
| 1322 | if (argflags & AF_UP) |
| 1323 | str_inc(str); |
| 1324 | else |
| 1325 | str_dec(str); |
| 1326 | STABSET(str); |
| 1327 | sarg[anum] = str; |
| 1328 | str = arg->arg_ptr.arg_str; |
| 1329 | } |
| 1330 | else if (argflags & AF_POST) { |
| 1331 | sarg[anum] = str_static(str); |
| 1332 | if (argflags & AF_UP) |
| 1333 | str_inc(str); |
| 1334 | else |
| 1335 | str_dec(str); |
| 1336 | STABSET(str); |
| 1337 | str = arg->arg_ptr.arg_str; |
| 1338 | } |
| 1339 | else { |
| 1340 | sarg[anum] = str; |
| 1341 | } |
| 1342 | break; |
| 1343 | case A_ARYLEN: |
| 1344 | sarg[anum] = str_static(&str_no); |
| 1345 | str_numset(sarg[anum], |
| 1346 | (double)alen(arg[anum].arg_ptr.arg_stab->stab_array)); |
| 1347 | #ifdef DEBUGGING |
| 1348 | tmps = "ARYLEN"; |
| 1349 | #endif |
| 1350 | break; |
| 1351 | case A_SINGLE: |
| 1352 | sarg[anum] = arg[anum].arg_ptr.arg_str; |
| 1353 | #ifdef DEBUGGING |
| 1354 | tmps = "SINGLE"; |
| 1355 | #endif |
| 1356 | break; |
| 1357 | case A_DOUBLE: |
| 1358 | (void) interp(str,str_get(arg[anum].arg_ptr.arg_str)); |
| 1359 | sarg[anum] = str; |
| 1360 | #ifdef DEBUGGING |
| 1361 | tmps = "DOUBLE"; |
| 1362 | #endif |
| 1363 | break; |
| 1364 | case A_BACKTICK: |
| 1365 | tmps = str_get(arg[anum].arg_ptr.arg_str); |
| 1366 | fp = popen(str_get(interp(str,tmps)),"r"); |
| 1367 | tmpstr = str_new(80); |
| 1368 | str_set(str,""); |
| 1369 | if (fp) { |
| 1370 | while (str_gets(tmpstr,fp) != Nullch) { |
| 1371 | str_scat(str,tmpstr); |
| 1372 | } |
| 1373 | statusvalue = pclose(fp); |
| 1374 | } |
| 1375 | else |
| 1376 | statusvalue = -1; |
| 1377 | str_free(tmpstr); |
| 1378 | |
| 1379 | sarg[anum] = str; |
| 1380 | #ifdef DEBUGGING |
| 1381 | tmps = "BACK"; |
| 1382 | #endif |
| 1383 | break; |
| 1384 | case A_READ: |
| 1385 | fp = Nullfp; |
| 1386 | last_in_stab = arg[anum].arg_ptr.arg_stab; |
| 1387 | if (last_in_stab->stab_io) { |
| 1388 | fp = last_in_stab->stab_io->fp; |
| 1389 | if (!fp && (last_in_stab->stab_io->flags & IOF_ARGV)) { |
| 1390 | if (last_in_stab->stab_io->flags & IOF_START) { |
| 1391 | last_in_stab->stab_io->flags &= ~IOF_START; |
| 1392 | last_in_stab->stab_io->lines = 0; |
| 1393 | if (alen(last_in_stab->stab_array) < 0L) { |
| 1394 | tmpstr = str_make("-"); /* assume stdin */ |
| 1395 | apush(last_in_stab->stab_array, tmpstr); |
| 1396 | } |
| 1397 | } |
| 1398 | fp = nextargv(last_in_stab); |
| 1399 | if (!fp) /* Note: fp != last_in_stab->stab_io->fp */ |
| 1400 | do_close(last_in_stab,FALSE); /* now it does */ |
| 1401 | } |
| 1402 | } |
| 1403 | keepgoing: |
| 1404 | if (!fp) |
| 1405 | sarg[anum] = &str_no; |
| 1406 | else if (!str_gets(str,fp)) { |
| 1407 | if (last_in_stab->stab_io->flags & IOF_ARGV) { |
| 1408 | fp = nextargv(last_in_stab); |
| 1409 | if (fp) |
| 1410 | goto keepgoing; |
| 1411 | do_close(last_in_stab,FALSE); |
| 1412 | last_in_stab->stab_io->flags |= IOF_START; |
| 1413 | } |
| 1414 | if (fp == stdin) { |
| 1415 | clearerr(fp); |
| 1416 | } |
| 1417 | sarg[anum] = &str_no; |
| 1418 | break; |
| 1419 | } |
| 1420 | else { |
| 1421 | last_in_stab->stab_io->lines++; |
| 1422 | sarg[anum] = str; |
| 1423 | } |
| 1424 | #ifdef DEBUGGING |
| 1425 | tmps = "READ"; |
| 1426 | #endif |
| 1427 | break; |
| 1428 | } |
| 1429 | #ifdef DEBUGGING |
| 1430 | if (debug & 8) |
| 1431 | deb("%d.%s = '%s'\n",anum,tmps,str_peek(sarg[anum])); |
| 1432 | #endif |
| 1433 | } |
| 1434 | switch (optype) { |
| 1435 | case O_ITEM: |
| 1436 | if (str != sarg[1]) |
| 1437 | str_sset(str,sarg[1]); |
| 1438 | STABSET(str); |
| 1439 | break; |
| 1440 | case O_ITEM2: |
| 1441 | if (str != sarg[2]) |
| 1442 | str_sset(str,sarg[2]); |
| 1443 | STABSET(str); |
| 1444 | break; |
| 1445 | case O_ITEM3: |
| 1446 | if (str != sarg[3]) |
| 1447 | str_sset(str,sarg[3]); |
| 1448 | STABSET(str); |
| 1449 | break; |
| 1450 | case O_CONCAT: |
| 1451 | if (str != sarg[1]) |
| 1452 | str_sset(str,sarg[1]); |
| 1453 | str_scat(str,sarg[2]); |
| 1454 | STABSET(str); |
| 1455 | break; |
| 1456 | case O_REPEAT: |
| 1457 | if (str != sarg[1]) |
| 1458 | str_sset(str,sarg[1]); |
| 1459 | anum = (long)str_gnum(sarg[2]); |
| 1460 | if (anum >= 1) { |
| 1461 | tmpstr = str_new(0); |
| 1462 | str_sset(tmpstr,str); |
| 1463 | for (anum--; anum; anum--) |
| 1464 | str_scat(str,tmpstr); |
| 1465 | } |
| 1466 | else |
| 1467 | str_sset(str,&str_no); |
| 1468 | STABSET(str); |
| 1469 | break; |
| 1470 | case O_MATCH: |
| 1471 | str_set(str, do_match(str_get(sarg[1]),arg) ? Yes : No); |
| 1472 | STABSET(str); |
| 1473 | break; |
| 1474 | case O_NMATCH: |
| 1475 | str_set(str, do_match(str_get(sarg[1]),arg) ? No : Yes); |
| 1476 | STABSET(str); |
| 1477 | break; |
| 1478 | case O_SUBST: |
| 1479 | value = (double) do_subst(str, arg); |
| 1480 | str = arg->arg_ptr.arg_str; |
| 1481 | goto donumset; |
| 1482 | case O_NSUBST: |
| 1483 | str_set(arg->arg_ptr.arg_str, do_subst(str, arg) ? No : Yes); |
| 1484 | str = arg->arg_ptr.arg_str; |
| 1485 | break; |
| 1486 | case O_ASSIGN: |
| 1487 | if (arg[2].arg_flags & AF_SPECIAL) |
| 1488 | do_assign(str,arg); |
| 1489 | else { |
| 1490 | if (str != sarg[2]) |
| 1491 | str_sset(str, sarg[2]); |
| 1492 | STABSET(str); |
| 1493 | } |
| 1494 | break; |
| 1495 | case O_CHOP: |
| 1496 | tmps = str_get(str); |
| 1497 | tmps += str->str_cur - (str->str_cur != 0); |
| 1498 | str_set(arg->arg_ptr.arg_str,tmps); /* remember last char */ |
| 1499 | *tmps = '\0'; /* wipe it out */ |
| 1500 | str->str_cur = tmps - str->str_ptr; |
| 1501 | str->str_nok = 0; |
| 1502 | str = arg->arg_ptr.arg_str; |
| 1503 | break; |
| 1504 | case O_MULTIPLY: |
| 1505 | value = str_gnum(sarg[1]); |
| 1506 | value *= str_gnum(sarg[2]); |
| 1507 | goto donumset; |
| 1508 | case O_DIVIDE: |
| 1509 | value = str_gnum(sarg[1]); |
| 1510 | value /= str_gnum(sarg[2]); |
| 1511 | goto donumset; |
| 1512 | case O_MODULO: |
| 1513 | value = str_gnum(sarg[1]); |
| 1514 | value = (double)(((long)value) % (long)str_gnum(sarg[2])); |
| 1515 | goto donumset; |
| 1516 | case O_ADD: |
| 1517 | value = str_gnum(sarg[1]); |
| 1518 | value += str_gnum(sarg[2]); |
| 1519 | goto donumset; |
| 1520 | case O_SUBTRACT: |
| 1521 | value = str_gnum(sarg[1]); |
| 1522 | value -= str_gnum(sarg[2]); |
| 1523 | goto donumset; |
| 1524 | case O_LEFT_SHIFT: |
| 1525 | value = str_gnum(sarg[1]); |
| 1526 | value = (double)(((long)value) << (long)str_gnum(sarg[2])); |
| 1527 | goto donumset; |
| 1528 | case O_RIGHT_SHIFT: |
| 1529 | value = str_gnum(sarg[1]); |
| 1530 | value = (double)(((long)value) >> (long)str_gnum(sarg[2])); |
| 1531 | goto donumset; |
| 1532 | case O_LT: |
| 1533 | value = str_gnum(sarg[1]); |
| 1534 | value = (double)(value < str_gnum(sarg[2])); |
| 1535 | goto donumset; |
| 1536 | case O_GT: |
| 1537 | value = str_gnum(sarg[1]); |
| 1538 | value = (double)(value > str_gnum(sarg[2])); |
| 1539 | goto donumset; |
| 1540 | case O_LE: |
| 1541 | value = str_gnum(sarg[1]); |
| 1542 | value = (double)(value <= str_gnum(sarg[2])); |
| 1543 | goto donumset; |
| 1544 | case O_GE: |
| 1545 | value = str_gnum(sarg[1]); |
| 1546 | value = (double)(value >= str_gnum(sarg[2])); |
| 1547 | goto donumset; |
| 1548 | case O_EQ: |
| 1549 | value = str_gnum(sarg[1]); |
| 1550 | value = (double)(value == str_gnum(sarg[2])); |
| 1551 | goto donumset; |
| 1552 | case O_NE: |
| 1553 | value = str_gnum(sarg[1]); |
| 1554 | value = (double)(value != str_gnum(sarg[2])); |
| 1555 | goto donumset; |
| 1556 | case O_BIT_AND: |
| 1557 | value = str_gnum(sarg[1]); |
| 1558 | value = (double)(((long)value) & (long)str_gnum(sarg[2])); |
| 1559 | goto donumset; |
| 1560 | case O_XOR: |
| 1561 | value = str_gnum(sarg[1]); |
| 1562 | value = (double)(((long)value) ^ (long)str_gnum(sarg[2])); |
| 1563 | goto donumset; |
| 1564 | case O_BIT_OR: |
| 1565 | value = str_gnum(sarg[1]); |
| 1566 | value = (double)(((long)value) | (long)str_gnum(sarg[2])); |
| 1567 | goto donumset; |
| 1568 | case O_AND: |
| 1569 | if (str_true(sarg[1])) { |
| 1570 | anum = 2; |
| 1571 | optype = O_ITEM2; |
| 1572 | maxarg = 0; |
| 1573 | argflags = arg[anum].arg_flags; |
| 1574 | goto re_eval; |
| 1575 | } |
| 1576 | else { |
| 1577 | if (assigning) { |
| 1578 | str_sset(str, sarg[1]); |
| 1579 | STABSET(str); |
| 1580 | } |
| 1581 | else |
| 1582 | str = sarg[1]; |
| 1583 | break; |
| 1584 | } |
| 1585 | case O_OR: |
| 1586 | if (str_true(sarg[1])) { |
| 1587 | if (assigning) { |
| 1588 | str_set(str, sarg[1]); |
| 1589 | STABSET(str); |
| 1590 | } |
| 1591 | else |
| 1592 | str = sarg[1]; |
| 1593 | break; |
| 1594 | } |
| 1595 | else { |
| 1596 | anum = 2; |
| 1597 | optype = O_ITEM2; |
| 1598 | maxarg = 0; |
| 1599 | argflags = arg[anum].arg_flags; |
| 1600 | goto re_eval; |
| 1601 | } |
| 1602 | case O_COND_EXPR: |
| 1603 | anum = (str_true(sarg[1]) ? 2 : 3); |
| 1604 | optype = (anum == 2 ? O_ITEM2 : O_ITEM3); |
| 1605 | maxarg = 0; |
| 1606 | argflags = arg[anum].arg_flags; |
| 1607 | goto re_eval; |
| 1608 | case O_COMMA: |
| 1609 | str = sarg[2]; |
| 1610 | break; |
| 1611 | case O_NEGATE: |
| 1612 | value = -str_gnum(sarg[1]); |
| 1613 | goto donumset; |
| 1614 | case O_NOT: |
| 1615 | value = (double) !str_true(sarg[1]); |
| 1616 | goto donumset; |
| 1617 | case O_COMPLEMENT: |
| 1618 | value = (double) ~(long)str_gnum(sarg[1]); |
| 1619 | goto donumset; |
| 1620 | case O_SELECT: |
| 1621 | if (arg[1].arg_type == A_LVAL) |
| 1622 | defoutstab = arg[1].arg_ptr.arg_stab; |
| 1623 | else |
| 1624 | defoutstab = stabent(str_get(sarg[1]),TRUE); |
| 1625 | if (!defoutstab->stab_io) |
| 1626 | defoutstab->stab_io = stio_new(); |
| 1627 | curoutstab = defoutstab; |
| 1628 | str_set(str,curoutstab->stab_io->fp ? Yes : No); |
| 1629 | STABSET(str); |
| 1630 | break; |
| 1631 | case O_WRITE: |
| 1632 | if (maxarg == 0) |
| 1633 | stab = defoutstab; |
| 1634 | else if (arg[1].arg_type == A_LVAL) |
| 1635 | stab = arg[1].arg_ptr.arg_stab; |
| 1636 | else |
| 1637 | stab = stabent(str_get(sarg[1]),TRUE); |
| 1638 | if (!stab->stab_io) { |
| 1639 | str_set(str, No); |
| 1640 | STABSET(str); |
| 1641 | break; |
| 1642 | } |
| 1643 | curoutstab = stab; |
| 1644 | fp = stab->stab_io->fp; |
| 1645 | debarg = arg; |
| 1646 | if (stab->stab_io->fmt_stab) |
| 1647 | form = stab->stab_io->fmt_stab->stab_form; |
| 1648 | else |
| 1649 | form = stab->stab_form; |
| 1650 | if (!form || !fp) { |
| 1651 | str_set(str, No); |
| 1652 | STABSET(str); |
| 1653 | break; |
| 1654 | } |
| 1655 | format(&outrec,form); |
| 1656 | do_write(&outrec,stab->stab_io); |
| 1657 | if (stab->stab_io->flags & IOF_FLUSH) |
| 1658 | fflush(fp); |
| 1659 | str_set(str, Yes); |
| 1660 | STABSET(str); |
| 1661 | break; |
| 1662 | case O_OPEN: |
| 1663 | if (do_open(arg[1].arg_ptr.arg_stab,str_get(sarg[2]))) { |
| 1664 | str_set(str, Yes); |
| 1665 | arg[1].arg_ptr.arg_stab->stab_io->lines = 0; |
| 1666 | } |
| 1667 | else |
| 1668 | str_set(str, No); |
| 1669 | STABSET(str); |
| 1670 | break; |
| 1671 | case O_TRANS: |
| 1672 | value = (double) do_trans(str,arg); |
| 1673 | str = arg->arg_ptr.arg_str; |
| 1674 | goto donumset; |
| 1675 | case O_NTRANS: |
| 1676 | str_set(arg->arg_ptr.arg_str, do_trans(str,arg) == 0 ? Yes : No); |
| 1677 | str = arg->arg_ptr.arg_str; |
| 1678 | break; |
| 1679 | case O_CLOSE: |
| 1680 | str_set(str, |
| 1681 | do_close(arg[1].arg_ptr.arg_stab,TRUE) ? Yes : No ); |
| 1682 | STABSET(str); |
| 1683 | break; |
| 1684 | case O_EACH: |
| 1685 | str_sset(str,do_each(arg[1].arg_ptr.arg_stab->stab_hash,sarg,retary)); |
| 1686 | retary = Null(STR***); /* do_each already did retary */ |
| 1687 | STABSET(str); |
| 1688 | break; |
| 1689 | case O_VALUES: |
| 1690 | case O_KEYS: |
| 1691 | value = (double) do_kv(arg[1].arg_ptr.arg_stab->stab_hash, |
| 1692 | optype,sarg,retary); |
| 1693 | retary = Null(STR***); /* do_keys already did retary */ |
| 1694 | goto donumset; |
| 1695 | case O_ARRAY: |
| 1696 | if (maxarg == 1) { |
| 1697 | ary = arg[1].arg_ptr.arg_stab->stab_array; |
| 1698 | maxarg = ary->ary_fill; |
| 1699 | if (retary) { /* array wanted */ |
| 1700 | sarg = |
| 1701 | (STR **)saferealloc((char*)sarg,(maxarg+3)*sizeof(STR*)); |
| 1702 | for (anum = 0; anum <= maxarg; anum++) { |
| 1703 | sarg[anum+1] = str = afetch(ary,anum); |
| 1704 | } |
| 1705 | maxarg++; |
| 1706 | } |
| 1707 | else |
| 1708 | str = afetch(ary,maxarg); |
| 1709 | } |
| 1710 | else |
| 1711 | str = afetch(arg[2].arg_ptr.arg_stab->stab_array, |
| 1712 | ((int)str_gnum(sarg[1])) - arybase); |
| 1713 | if (!str) |
| 1714 | return &str_no; |
| 1715 | break; |
| 1716 | case O_HASH: |
| 1717 | tmpstab = arg[2].arg_ptr.arg_stab; /* XXX */ |
| 1718 | str = hfetch(tmpstab->stab_hash,str_get(sarg[1])); |
| 1719 | if (!str) |
| 1720 | return &str_no; |
| 1721 | break; |
| 1722 | case O_LARRAY: |
| 1723 | anum = ((int)str_gnum(sarg[1])) - arybase; |
| 1724 | str = afetch(arg[2].arg_ptr.arg_stab->stab_array,anum); |
| 1725 | if (!str || str == &str_no) { |
| 1726 | str = str_new(0); |
| 1727 | astore(arg[2].arg_ptr.arg_stab->stab_array,anum,str); |
| 1728 | } |
| 1729 | break; |
| 1730 | case O_LHASH: |
| 1731 | tmpstab = arg[2].arg_ptr.arg_stab; |
| 1732 | str = hfetch(tmpstab->stab_hash,str_get(sarg[1])); |
| 1733 | if (!str) { |
| 1734 | str = str_new(0); |
| 1735 | hstore(tmpstab->stab_hash,str_get(sarg[1]),str); |
| 1736 | } |
| 1737 | if (tmpstab == envstab) { /* heavy wizardry going on here */ |
| 1738 | str->str_link.str_magic = tmpstab;/* str is now magic */ |
| 1739 | envname = savestr(str_get(sarg[1])); |
| 1740 | /* he threw the brick up into the air */ |
| 1741 | } |
| 1742 | else if (tmpstab == sigstab) { /* same thing, only different */ |
| 1743 | str->str_link.str_magic = tmpstab; |
| 1744 | signame = savestr(str_get(sarg[1])); |
| 1745 | } |
| 1746 | break; |
| 1747 | case O_PUSH: |
| 1748 | if (arg[1].arg_flags & AF_SPECIAL) |
| 1749 | str = do_push(arg,arg[2].arg_ptr.arg_stab->stab_array); |
| 1750 | else { |
| 1751 | str = str_new(0); /* must copy the STR */ |
| 1752 | str_sset(str,sarg[1]); |
| 1753 | apush(arg[2].arg_ptr.arg_stab->stab_array,str); |
| 1754 | } |
| 1755 | break; |
| 1756 | case O_POP: |
| 1757 | str = apop(arg[1].arg_ptr.arg_stab->stab_array); |
| 1758 | if (!str) |
| 1759 | return &str_no; |
| 1760 | #ifdef STRUCTCOPY |
| 1761 | *(arg->arg_ptr.arg_str) = *str; |
| 1762 | #else |
| 1763 | bcopy((char*)str, (char*)arg->arg_ptr.arg_str, sizeof *str); |
| 1764 | #endif |
| 1765 | safefree((char*)str); |
| 1766 | str = arg->arg_ptr.arg_str; |
| 1767 | break; |
| 1768 | case O_SHIFT: |
| 1769 | str = ashift(arg[1].arg_ptr.arg_stab->stab_array); |
| 1770 | if (!str) |
| 1771 | return &str_no; |
| 1772 | #ifdef STRUCTCOPY |
| 1773 | *(arg->arg_ptr.arg_str) = *str; |
| 1774 | #else |
| 1775 | bcopy((char*)str, (char*)arg->arg_ptr.arg_str, sizeof *str); |
| 1776 | #endif |
| 1777 | safefree((char*)str); |
| 1778 | str = arg->arg_ptr.arg_str; |
| 1779 | break; |
| 1780 | case O_SPLIT: |
| 1781 | value = (double) do_split(str_get(sarg[1]),arg[2].arg_ptr.arg_spat,retary); |
| 1782 | retary = Null(STR***); /* do_split already did retary */ |
| 1783 | goto donumset; |
| 1784 | case O_LENGTH: |
| 1785 | value = (double) str_len(sarg[1]); |
| 1786 | goto donumset; |
| 1787 | case O_SPRINTF: |
| 1788 | sarg[maxarg+1] = Nullstr; |
| 1789 | do_sprintf(str,arg->arg_len,sarg); |
| 1790 | break; |
| 1791 | case O_SUBSTR: |
| 1792 | anum = ((int)str_gnum(sarg[2])) - arybase; |
| 1793 | for (tmps = str_get(sarg[1]); *tmps && anum > 0; tmps++,anum--) ; |
| 1794 | anum = (int)str_gnum(sarg[3]); |
| 1795 | if (anum >= 0 && strlen(tmps) > anum) |
| 1796 | str_nset(str, tmps, anum); |
| 1797 | else |
| 1798 | str_set(str, tmps); |
| 1799 | break; |
| 1800 | case O_JOIN: |
| 1801 | if (arg[2].arg_flags & AF_SPECIAL && arg[2].arg_type == A_EXPR) |
| 1802 | do_join(arg,str_get(sarg[1]),str); |
| 1803 | else |
| 1804 | ajoin(arg[2].arg_ptr.arg_stab->stab_array,str_get(sarg[1]),str); |
| 1805 | break; |
| 1806 | case O_SLT: |
| 1807 | tmps = str_get(sarg[1]); |
| 1808 | value = (double) strLT(tmps,str_get(sarg[2])); |
| 1809 | goto donumset; |
| 1810 | case O_SGT: |
| 1811 | tmps = str_get(sarg[1]); |
| 1812 | value = (double) strGT(tmps,str_get(sarg[2])); |
| 1813 | goto donumset; |
| 1814 | case O_SLE: |
| 1815 | tmps = str_get(sarg[1]); |
| 1816 | value = (double) strLE(tmps,str_get(sarg[2])); |
| 1817 | goto donumset; |
| 1818 | case O_SGE: |
| 1819 | tmps = str_get(sarg[1]); |
| 1820 | value = (double) strGE(tmps,str_get(sarg[2])); |
| 1821 | goto donumset; |
| 1822 | case O_SEQ: |
| 1823 | tmps = str_get(sarg[1]); |
| 1824 | value = (double) strEQ(tmps,str_get(sarg[2])); |
| 1825 | goto donumset; |
| 1826 | case O_SNE: |
| 1827 | tmps = str_get(sarg[1]); |
| 1828 | value = (double) strNE(tmps,str_get(sarg[2])); |
| 1829 | goto donumset; |
| 1830 | case O_SUBR: |
| 1831 | str_sset(str,do_subr(arg,sarg)); |
| 1832 | STABSET(str); |
| 1833 | break; |
| 1834 | case O_PRTF: |
| 1835 | case O_PRINT: |
| 1836 | if (maxarg <= 1) |
| 1837 | stab = defoutstab; |
| 1838 | else { |
| 1839 | stab = arg[2].arg_ptr.arg_stab; |
| 1840 | if (!stab) |
| 1841 | stab = defoutstab; |
| 1842 | } |
| 1843 | if (!stab->stab_io) |
| 1844 | value = 0.0; |
| 1845 | else if (arg[1].arg_flags & AF_SPECIAL) |
| 1846 | value = (double)do_aprint(arg,stab->stab_io->fp); |
| 1847 | else { |
| 1848 | value = (double)do_print(str_get(sarg[1]),stab->stab_io->fp); |
| 1849 | if (ors && optype == O_PRINT) |
| 1850 | do_print(ors, stab->stab_io->fp); |
| 1851 | } |
| 1852 | if (stab->stab_io->flags & IOF_FLUSH) |
| 1853 | fflush(stab->stab_io->fp); |
| 1854 | goto donumset; |
| 1855 | case O_CHDIR: |
| 1856 | tmps = str_get(sarg[1]); |
| 1857 | if (!tmps || !*tmps) |
| 1858 | tmps = getenv("HOME"); |
| 1859 | if (!tmps || !*tmps) |
| 1860 | tmps = getenv("LOGDIR"); |
| 1861 | value = (double)(chdir(tmps) >= 0); |
| 1862 | goto donumset; |
| 1863 | case O_DIE: |
| 1864 | tmps = str_get(sarg[1]); |
| 1865 | if (!tmps || !*tmps) |
| 1866 | exit(1); |
| 1867 | fatal("%s\n",str_get(sarg[1])); |
| 1868 | value = 0.0; |
| 1869 | goto donumset; |
| 1870 | case O_EXIT: |
| 1871 | exit((int)str_gnum(sarg[1])); |
| 1872 | value = 0.0; |
| 1873 | goto donumset; |
| 1874 | case O_RESET: |
| 1875 | str_reset(str_get(sarg[1])); |
| 1876 | value = 1.0; |
| 1877 | goto donumset; |
| 1878 | case O_LIST: |
| 1879 | if (maxarg > 0) |
| 1880 | str = sarg[maxarg]; /* unwanted list, return last item */ |
| 1881 | else |
| 1882 | str = &str_no; |
| 1883 | break; |
| 1884 | case O_EOF: |
| 1885 | str_set(str, do_eof(maxarg > 0 ? arg[1].arg_ptr.arg_stab : last_in_stab) ? Yes : No); |
| 1886 | STABSET(str); |
| 1887 | break; |
| 1888 | case O_TELL: |
| 1889 | value = (double)do_tell(maxarg > 0 ? arg[1].arg_ptr.arg_stab : last_in_stab); |
| 1890 | goto donumset; |
| 1891 | break; |
| 1892 | case O_SEEK: |
| 1893 | value = str_gnum(sarg[2]); |
| 1894 | str_set(str, do_seek(arg[1].arg_ptr.arg_stab, |
| 1895 | (long)value, (int)str_gnum(sarg[3]) ) ? Yes : No); |
| 1896 | STABSET(str); |
| 1897 | break; |
| 1898 | case O_REDO: |
| 1899 | case O_NEXT: |
| 1900 | case O_LAST: |
| 1901 | if (maxarg > 0) { |
| 1902 | tmps = str_get(sarg[1]); |
| 1903 | while (loop_ptr >= 0 && (!loop_stack[loop_ptr].loop_label || |
| 1904 | strNE(tmps,loop_stack[loop_ptr].loop_label) )) { |
| 1905 | #ifdef DEBUGGING |
| 1906 | if (debug & 4) { |
| 1907 | deb("(Skipping label #%d %s)\n",loop_ptr, |
| 1908 | loop_stack[loop_ptr].loop_label); |
| 1909 | } |
| 1910 | #endif |
| 1911 | loop_ptr--; |
| 1912 | } |
| 1913 | #ifdef DEBUGGING |
| 1914 | if (debug & 4) { |
| 1915 | deb("(Found label #%d %s)\n",loop_ptr, |
| 1916 | loop_stack[loop_ptr].loop_label); |
| 1917 | } |
| 1918 | #endif |
| 1919 | } |
| 1920 | if (loop_ptr < 0) |
| 1921 | fatal("Bad label: %s\n", maxarg > 0 ? tmps : "<null>"); |
| 1922 | longjmp(loop_stack[loop_ptr].loop_env, optype); |
| 1923 | case O_GOTO:/* shudder */ |
| 1924 | goto_targ = str_get(sarg[1]); |
| 1925 | longjmp(top_env, 1); |
| 1926 | case O_INDEX: |
| 1927 | tmps = str_get(sarg[1]); |
| 1928 | if (!(tmps2 = instr(tmps,str_get(sarg[2])))) |
| 1929 | value = (double)(-1 + arybase); |
| 1930 | else |
| 1931 | value = (double)(tmps2 - tmps + arybase); |
| 1932 | goto donumset; |
| 1933 | case O_TIME: |
| 1934 | value = (double) time(0); |
| 1935 | goto donumset; |
| 1936 | case O_TMS: |
| 1937 | value = (double) do_tms(retary); |
| 1938 | retary = Null(STR***); /* do_tms already did retary */ |
| 1939 | goto donumset; |
| 1940 | case O_LOCALTIME: |
| 1941 | tmplong = (long) str_gnum(sarg[1]); |
| 1942 | value = (double) do_time(localtime(&tmplong),retary); |
| 1943 | retary = Null(STR***); /* do_localtime already did retary */ |
| 1944 | goto donumset; |
| 1945 | case O_GMTIME: |
| 1946 | tmplong = (long) str_gnum(sarg[1]); |
| 1947 | value = (double) do_time(gmtime(&tmplong),retary); |
| 1948 | retary = Null(STR***); /* do_gmtime already did retary */ |
| 1949 | goto donumset; |
| 1950 | case O_STAT: |
| 1951 | value = (double) do_stat(arg,sarg,retary); |
| 1952 | retary = Null(STR***); /* do_stat already did retary */ |
| 1953 | goto donumset; |
| 1954 | case O_CRYPT: |
| 1955 | tmps = str_get(sarg[1]); |
| 1956 | str_set(str,crypt(tmps,str_get(sarg[2]))); |
| 1957 | break; |
| 1958 | case O_EXP: |
| 1959 | value = exp(str_gnum(sarg[1])); |
| 1960 | goto donumset; |
| 1961 | case O_LOG: |
| 1962 | value = log(str_gnum(sarg[1])); |
| 1963 | goto donumset; |
| 1964 | case O_SQRT: |
| 1965 | value = sqrt(str_gnum(sarg[1])); |
| 1966 | goto donumset; |
| 1967 | case O_INT: |
| 1968 | modf(str_gnum(sarg[1]),&value); |
| 1969 | goto donumset; |
| 1970 | case O_ORD: |
| 1971 | value = (double) *str_get(sarg[1]); |
| 1972 | goto donumset; |
| 1973 | case O_SLEEP: |
| 1974 | tmps = str_get(sarg[1]); |
| 1975 | time(&tmplong); |
| 1976 | if (!tmps || !*tmps) |
| 1977 | sleep((32767<<16)+32767); |
| 1978 | else |
| 1979 | sleep(atoi(tmps)); |
| 1980 | value = (double)tmplong; |
| 1981 | time(&tmplong); |
| 1982 | value = ((double)tmplong) - value; |
| 1983 | goto donumset; |
| 1984 | case O_FLIP: |
| 1985 | if (str_true(sarg[1])) { |
| 1986 | str_numset(str,0.0); |
| 1987 | anum = 2; |
| 1988 | arg->arg_type = optype = O_FLOP; |
| 1989 | maxarg = 0; |
| 1990 | arg[2].arg_flags &= ~AF_SPECIAL; |
| 1991 | arg[1].arg_flags |= AF_SPECIAL; |
| 1992 | argflags = arg[anum].arg_flags; |
| 1993 | goto re_eval; |
| 1994 | } |
| 1995 | str_set(str,""); |
| 1996 | break; |
| 1997 | case O_FLOP: |
| 1998 | str_inc(str); |
| 1999 | if (str_true(sarg[2])) { |
| 2000 | arg->arg_type = O_FLIP; |
| 2001 | arg[1].arg_flags &= ~AF_SPECIAL; |
| 2002 | arg[2].arg_flags |= AF_SPECIAL; |
| 2003 | str_cat(str,"E0"); |
| 2004 | } |
| 2005 | break; |
| 2006 | case O_FORK: |
| 2007 | value = (double)fork(); |
| 2008 | goto donumset; |
| 2009 | case O_SYSTEM: |
| 2010 | if (anum = vfork()) { |
| 2011 | ihand = signal(SIGINT, SIG_IGN); |
| 2012 | qhand = signal(SIGQUIT, SIG_IGN); |
| 2013 | while ((maxarg = wait(&argflags)) != anum && maxarg != -1) |
| 2014 | ; |
| 2015 | if (maxarg == -1) |
| 2016 | argflags = -1; |
| 2017 | signal(SIGINT, ihand); |
| 2018 | signal(SIGQUIT, qhand); |
| 2019 | value = (double)argflags; |
| 2020 | goto donumset; |
| 2021 | } |
| 2022 | /* FALL THROUGH */ |
| 2023 | case O_EXEC: |
| 2024 | if (arg[1].arg_flags & AF_SPECIAL) |
| 2025 | value = (double)do_aexec(arg); |
| 2026 | else { |
| 2027 | value = (double)do_exec(str_get(sarg[1])); |
| 2028 | } |
| 2029 | goto donumset; |
| 2030 | case O_HEX: |
| 2031 | maxarg = 4; |
| 2032 | goto snarfnum; |
| 2033 | |
| 2034 | case O_OCT: |
| 2035 | maxarg = 3; |
| 2036 | |
| 2037 | snarfnum: |
| 2038 | anum = 0; |
| 2039 | tmps = str_get(sarg[1]); |
| 2040 | for (;;) { |
| 2041 | switch (*tmps) { |
| 2042 | default: |
| 2043 | goto out; |
| 2044 | case '8': case '9': |
| 2045 | if (maxarg != 4) |
| 2046 | goto out; |
| 2047 | /* FALL THROUGH */ |
| 2048 | case '0': case '1': case '2': case '3': case '4': |
| 2049 | case '5': case '6': case '7': |
| 2050 | anum <<= maxarg; |
| 2051 | anum += *tmps++ & 15; |
| 2052 | break; |
| 2053 | case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': |
| 2054 | case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': |
| 2055 | if (maxarg != 4) |
| 2056 | goto out; |
| 2057 | anum <<= 4; |
| 2058 | anum += (*tmps++ & 7) + 9; |
| 2059 | break; |
| 2060 | case 'x': |
| 2061 | maxarg = 4; |
| 2062 | tmps++; |
| 2063 | break; |
| 2064 | } |
| 2065 | } |
| 2066 | out: |
| 2067 | value = (double)anum; |
| 2068 | goto donumset; |
| 2069 | case O_CHMOD: |
| 2070 | case O_CHOWN: |
| 2071 | case O_KILL: |
| 2072 | case O_UNLINK: |
| 2073 | if (arg[1].arg_flags & AF_SPECIAL) |
| 2074 | value = (double)apply(optype,arg,Null(STR**)); |
| 2075 | else { |
| 2076 | sarg[2] = Nullstr; |
| 2077 | value = (double)apply(optype,arg,sarg); |
| 2078 | } |
| 2079 | goto donumset; |
| 2080 | case O_UMASK: |
| 2081 | value = (double)umask((int)str_gnum(sarg[1])); |
| 2082 | goto donumset; |
| 2083 | case O_RENAME: |
| 2084 | tmps = str_get(sarg[1]); |
| 2085 | #ifdef RENAME |
| 2086 | value = (double)(rename(tmps,str_get(sarg[2])) >= 0); |
| 2087 | #else |
| 2088 | tmps2 = str_get(sarg[2]); |
| 2089 | UNLINK(tmps2); |
| 2090 | if (!(anum = link(tmps,tmps2))) |
| 2091 | anum = UNLINK(tmps); |
| 2092 | value = (double)(anum >= 0); |
| 2093 | #endif |
| 2094 | goto donumset; |
| 2095 | case O_LINK: |
| 2096 | tmps = str_get(sarg[1]); |
| 2097 | value = (double)(link(tmps,str_get(sarg[2])) >= 0); |
| 2098 | goto donumset; |
| 2099 | case O_UNSHIFT: |
| 2100 | ary = arg[2].arg_ptr.arg_stab->stab_array; |
| 2101 | if (arg[1].arg_flags & AF_SPECIAL) |
| 2102 | do_unshift(arg,ary); |
| 2103 | else { |
| 2104 | str = str_new(0); /* must copy the STR */ |
| 2105 | str_sset(str,sarg[1]); |
| 2106 | aunshift(ary,1); |
| 2107 | astore(ary,0,str); |
| 2108 | } |
| 2109 | value = (double)(ary->ary_fill + 1); |
| 2110 | break; |
| a559c259 |
2111 | case O_EVAL: |
| 2112 | str_sset(str, |
| 2113 | do_eval(arg[1].arg_type != A_NULL ? sarg[1] : defstab->stab_val) ); |
| 2114 | STABSET(str); |
| 2115 | break; |
| 8d063cd8 |
2116 | } |
| 2117 | #ifdef DEBUGGING |
| 2118 | dlevel--; |
| 2119 | if (debug & 8) |
| 2120 | deb("%s RETURNS \"%s\"\n",opname[optype],str_get(str)); |
| 2121 | #endif |
| 2122 | goto freeargs; |
| 2123 | |
| 2124 | donumset: |
| 2125 | str_numset(str,value); |
| 2126 | STABSET(str); |
| 2127 | #ifdef DEBUGGING |
| 2128 | dlevel--; |
| 2129 | if (debug & 8) |
| 2130 | deb("%s RETURNS \"%f\"\n",opname[optype],value); |
| 2131 | #endif |
| 2132 | |
| 2133 | freeargs: |
| 2134 | if (sarg != quicksarg) { |
| 2135 | if (retary) { |
| 2136 | if (optype == O_LIST) |
| 2137 | sarg[0] = &str_no; |
| 2138 | else |
| 2139 | sarg[0] = Nullstr; |
| 2140 | sarg[maxarg+1] = Nullstr; |
| 2141 | *retary = sarg; /* up to them to free it */ |
| 2142 | } |
| 2143 | else |
| 2144 | safefree(sarg); |
| 2145 | } |
| 2146 | return str; |
| 2147 | |
| 2148 | nullarray: |
| 2149 | maxarg = 0; |
| 2150 | #ifdef DEBUGGING |
| 2151 | dlevel--; |
| 2152 | if (debug & 8) |
| 2153 | deb("%s RETURNS ()\n",opname[optype],value); |
| 2154 | #endif |
| 2155 | goto freeargs; |
| 2156 | } |
projects / p5sagit/p5-mst-13.2.git / blame