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