| Commit | Line | Data |
|---|
| a6ec74c1 |
1 | /* pp_pack.c |
| 2 | * |
| 3 | * Copyright (c) 1991-2001, Larry Wall |
| 4 | * |
| 5 | * You may distribute under the terms of either the GNU General Public |
| 6 | * License or the Artistic License, as specified in the README file. |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | #include "EXTERN.h" |
| 11 | #define PERL_IN_PP_PACK_C |
| 12 | #include "perl.h" |
| 13 | |
| 14 | /* |
| 15 | * The compiler on Concurrent CX/UX systems has a subtle bug which only |
| 16 | * seems to show up when compiling pp.c - it generates the wrong double |
| 17 | * precision constant value for (double)UV_MAX when used inline in the body |
| 18 | * of the code below, so this makes a static variable up front (which the |
| 19 | * compiler seems to get correct) and uses it in place of UV_MAX below. |
| 20 | */ |
| 21 | #ifdef CXUX_BROKEN_CONSTANT_CONVERT |
| 22 | static double UV_MAX_cxux = ((double)UV_MAX); |
| 23 | #endif |
| 24 | |
| 25 | /* |
| 26 | * Offset for integer pack/unpack. |
| 27 | * |
| 28 | * On architectures where I16 and I32 aren't really 16 and 32 bits, |
| 29 | * which for now are all Crays, pack and unpack have to play games. |
| 30 | */ |
| 31 | |
| 32 | /* |
| 33 | * These values are required for portability of pack() output. |
| 34 | * If they're not right on your machine, then pack() and unpack() |
| 35 | * wouldn't work right anyway; you'll need to apply the Cray hack. |
| 36 | * (I'd like to check them with #if, but you can't use sizeof() in |
| 37 | * the preprocessor.) --??? |
| 38 | */ |
| 39 | /* |
| 40 | The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE |
| 41 | defines are now in config.h. --Andy Dougherty April 1998 |
| 42 | */ |
| 43 | #define SIZE16 2 |
| 44 | #define SIZE32 4 |
| 45 | |
| 46 | /* CROSSCOMPILE and MULTIARCH are going to affect pp_pack() and pp_unpack(). |
| 47 | --jhi Feb 1999 */ |
| 48 | |
| 49 | #if SHORTSIZE != SIZE16 || LONGSIZE != SIZE32 |
| 50 | # define PERL_NATINT_PACK |
| 51 | #endif |
| 52 | |
| 53 | #if LONGSIZE > 4 && defined(_CRAY) |
| 54 | # if BYTEORDER == 0x12345678 |
| 55 | # define OFF16(p) (char*)(p) |
| 56 | # define OFF32(p) (char*)(p) |
| 57 | # else |
| 58 | # if BYTEORDER == 0x87654321 |
| 59 | # define OFF16(p) ((char*)(p) + (sizeof(U16) - SIZE16)) |
| 60 | # define OFF32(p) ((char*)(p) + (sizeof(U32) - SIZE32)) |
| 61 | # else |
| 62 | }}}} bad cray byte order |
| 63 | # endif |
| 64 | # endif |
| 65 | # define COPY16(s,p) (*(p) = 0, Copy(s, OFF16(p), SIZE16, char)) |
| 66 | # define COPY32(s,p) (*(p) = 0, Copy(s, OFF32(p), SIZE32, char)) |
| 67 | # define COPYNN(s,p,n) (*(p) = 0, Copy(s, (char *)(p), n, char)) |
| 68 | # define CAT16(sv,p) sv_catpvn(sv, OFF16(p), SIZE16) |
| 69 | # define CAT32(sv,p) sv_catpvn(sv, OFF32(p), SIZE32) |
| 70 | #else |
| 71 | # define COPY16(s,p) Copy(s, p, SIZE16, char) |
| 72 | # define COPY32(s,p) Copy(s, p, SIZE32, char) |
| 73 | # define COPYNN(s,p,n) Copy(s, (char *)(p), n, char) |
| 74 | # define CAT16(sv,p) sv_catpvn(sv, (char*)(p), SIZE16) |
| 75 | # define CAT32(sv,p) sv_catpvn(sv, (char*)(p), SIZE32) |
| 76 | #endif |
| 77 | |
| 78 | STATIC SV * |
| 79 | S_mul128(pTHX_ SV *sv, U8 m) |
| 80 | { |
| 81 | STRLEN len; |
| 82 | char *s = SvPV(sv, len); |
| 83 | char *t; |
| 84 | U32 i = 0; |
| 85 | |
| 86 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ |
| 87 | SV *tmpNew = newSVpvn("0000000000", 10); |
| 88 | |
| 89 | sv_catsv(tmpNew, sv); |
| 90 | SvREFCNT_dec(sv); /* free old sv */ |
| 91 | sv = tmpNew; |
| 92 | s = SvPV(sv, len); |
| 93 | } |
| 94 | t = s + len - 1; |
| 95 | while (!*t) /* trailing '\0'? */ |
| 96 | t--; |
| 97 | while (t > s) { |
| 98 | i = ((*t - '0') << 7) + m; |
| 99 | *(t--) = '0' + (i % 10); |
| 100 | m = i / 10; |
| 101 | } |
| 102 | return (sv); |
| 103 | } |
| 104 | |
| 105 | /* Explosives and implosives. */ |
| 106 | |
| 107 | #if 'I' == 73 && 'J' == 74 |
| 108 | /* On an ASCII/ISO kind of system */ |
| 109 | #define ISUUCHAR(ch) ((ch) >= ' ' && (ch) < 'a') |
| 110 | #else |
| 111 | /* |
| 112 | Some other sort of character set - use memchr() so we don't match |
| 113 | the null byte. |
| 114 | */ |
| 115 | #define ISUUCHAR(ch) (memchr(PL_uuemap, (ch), sizeof(PL_uuemap)-1) || (ch) == ' ') |
| 116 | #endif |
| 117 | |
| 118 | |
| 119 | PP(pp_unpack) |
| 120 | { |
| 121 | dSP; |
| 122 | dPOPPOPssrl; |
| 123 | I32 start_sp_offset = SP - PL_stack_base; |
| 124 | I32 gimme = GIMME_V; |
| 125 | SV *sv; |
| 126 | STRLEN llen; |
| 127 | STRLEN rlen; |
| 128 | register char *pat = SvPV(left, llen); |
| 129 | #ifdef PACKED_IS_OCTETS |
| 130 | /* Packed side is assumed to be octets - so force downgrade if it |
| 131 | has been UTF-8 encoded by accident |
| 132 | */ |
| 133 | register char *s = SvPVbyte(right, rlen); |
| 134 | #else |
| 135 | register char *s = SvPV(right, rlen); |
| 136 | #endif |
| 137 | char *strend = s + rlen; |
| 138 | char *strbeg = s; |
| 139 | register char *patend = pat + llen; |
| 140 | I32 datumtype; |
| 141 | register I32 len; |
| 142 | register I32 bits = 0; |
| 143 | register char *str; |
| 144 | |
| 145 | /* These must not be in registers: */ |
| 146 | short ashort; |
| 147 | int aint; |
| 148 | long along; |
| 149 | #ifdef HAS_QUAD |
| 150 | Quad_t aquad; |
| 151 | #endif |
| 152 | U16 aushort; |
| 153 | unsigned int auint; |
| 154 | U32 aulong; |
| 155 | #ifdef HAS_QUAD |
| 156 | Uquad_t auquad; |
| 157 | #endif |
| 158 | char *aptr; |
| 159 | float afloat; |
| 160 | double adouble; |
| 161 | I32 checksum = 0; |
| fa8ec7c1 |
162 | UV culong = 0; |
| a6ec74c1 |
163 | NV cdouble = 0.0; |
| fa8ec7c1 |
164 | const int bits_in_uv = 8 * sizeof(culong); |
| a6ec74c1 |
165 | int commas = 0; |
| 166 | int star; |
| 167 | #ifdef PERL_NATINT_PACK |
| 168 | int natint; /* native integer */ |
| 169 | int unatint; /* unsigned native integer */ |
| 170 | #endif |
| 35bcd338 |
171 | bool do_utf8 = DO_UTF8(right); |
| a6ec74c1 |
172 | |
| a6ec74c1 |
173 | while (pat < patend) { |
| 174 | reparse: |
| 175 | datumtype = *pat++ & 0xFF; |
| 176 | #ifdef PERL_NATINT_PACK |
| 177 | natint = 0; |
| 178 | #endif |
| 179 | if (isSPACE(datumtype)) |
| 180 | continue; |
| 181 | if (datumtype == '#') { |
| 182 | while (pat < patend && *pat != '\n') |
| 183 | pat++; |
| 184 | continue; |
| 185 | } |
| 186 | if (*pat == '!') { |
| 187 | char *natstr = "sSiIlL"; |
| 188 | |
| 189 | if (strchr(natstr, datumtype)) { |
| 190 | #ifdef PERL_NATINT_PACK |
| 191 | natint = 1; |
| 192 | #endif |
| 193 | pat++; |
| 194 | } |
| 195 | else |
| 196 | DIE(aTHX_ "'!' allowed only after types %s", natstr); |
| 197 | } |
| 198 | star = 0; |
| fa8ec7c1 |
199 | if (pat >= patend) |
| a6ec74c1 |
200 | len = 1; |
| 201 | else if (*pat == '*') { |
| 202 | len = strend - strbeg; /* long enough */ |
| 203 | pat++; |
| 204 | star = 1; |
| 205 | } |
| 206 | else if (isDIGIT(*pat)) { |
| 207 | len = *pat++ - '0'; |
| 208 | while (isDIGIT(*pat)) { |
| 209 | len = (len * 10) + (*pat++ - '0'); |
| 210 | if (len < 0) |
| 211 | DIE(aTHX_ "Repeat count in unpack overflows"); |
| 212 | } |
| 213 | } |
| 214 | else |
| 215 | len = (datumtype != '@'); |
| 216 | redo_switch: |
| 217 | switch(datumtype) { |
| 218 | default: |
| 219 | DIE(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype); |
| 220 | case ',': /* grandfather in commas but with a warning */ |
| 221 | if (commas++ == 0 && ckWARN(WARN_UNPACK)) |
| 222 | Perl_warner(aTHX_ WARN_UNPACK, |
| 223 | "Invalid type in unpack: '%c'", (int)datumtype); |
| 224 | break; |
| 225 | case '%': |
| 226 | if (len == 1 && pat[-1] != '1') |
| 227 | len = 16; |
| 228 | checksum = len; |
| 229 | culong = 0; |
| 230 | cdouble = 0; |
| 231 | if (pat < patend) |
| 232 | goto reparse; |
| 233 | break; |
| 234 | case '@': |
| 235 | if (len > strend - strbeg) |
| 236 | DIE(aTHX_ "@ outside of string"); |
| 237 | s = strbeg + len; |
| 238 | break; |
| 239 | case 'X': |
| 240 | if (len > s - strbeg) |
| 241 | DIE(aTHX_ "X outside of string"); |
| 242 | s -= len; |
| 243 | break; |
| 244 | case 'x': |
| 245 | if (len > strend - s) |
| 246 | DIE(aTHX_ "x outside of string"); |
| 247 | s += len; |
| 248 | break; |
| 249 | case '/': |
| 250 | if (start_sp_offset >= SP - PL_stack_base) |
| 251 | DIE(aTHX_ "/ must follow a numeric type"); |
| 252 | datumtype = *pat++; |
| 253 | if (*pat == '*') |
| 254 | pat++; /* ignore '*' for compatibility with pack */ |
| 255 | if (isDIGIT(*pat)) |
| 256 | DIE(aTHX_ "/ cannot take a count" ); |
| 257 | len = POPi; |
| 258 | star = 0; |
| 259 | goto redo_switch; |
| 260 | case 'A': |
| 261 | case 'Z': |
| 262 | case 'a': |
| 263 | if (len > strend - s) |
| 264 | len = strend - s; |
| 265 | if (checksum) |
| 266 | goto uchar_checksum; |
| 267 | sv = NEWSV(35, len); |
| 268 | sv_setpvn(sv, s, len); |
| 269 | s += len; |
| 270 | if (datumtype == 'A' || datumtype == 'Z') { |
| 271 | aptr = s; /* borrow register */ |
| 272 | if (datumtype == 'Z') { /* 'Z' strips stuff after first null */ |
| 273 | s = SvPVX(sv); |
| 274 | while (*s) |
| 275 | s++; |
| 276 | } |
| 277 | else { /* 'A' strips both nulls and spaces */ |
| 278 | s = SvPVX(sv) + len - 1; |
| 279 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) |
| 280 | s--; |
| 281 | *++s = '\0'; |
| 282 | } |
| 283 | SvCUR_set(sv, s - SvPVX(sv)); |
| 284 | s = aptr; /* unborrow register */ |
| 285 | } |
| 286 | XPUSHs(sv_2mortal(sv)); |
| 287 | break; |
| 288 | case 'B': |
| 289 | case 'b': |
| 290 | if (star || len > (strend - s) * 8) |
| 291 | len = (strend - s) * 8; |
| 292 | if (checksum) { |
| 293 | if (!PL_bitcount) { |
| 294 | Newz(601, PL_bitcount, 256, char); |
| 295 | for (bits = 1; bits < 256; bits++) { |
| 296 | if (bits & 1) PL_bitcount[bits]++; |
| 297 | if (bits & 2) PL_bitcount[bits]++; |
| 298 | if (bits & 4) PL_bitcount[bits]++; |
| 299 | if (bits & 8) PL_bitcount[bits]++; |
| 300 | if (bits & 16) PL_bitcount[bits]++; |
| 301 | if (bits & 32) PL_bitcount[bits]++; |
| 302 | if (bits & 64) PL_bitcount[bits]++; |
| 303 | if (bits & 128) PL_bitcount[bits]++; |
| 304 | } |
| 305 | } |
| 306 | while (len >= 8) { |
| 307 | culong += PL_bitcount[*(unsigned char*)s++]; |
| 308 | len -= 8; |
| 309 | } |
| 310 | if (len) { |
| 311 | bits = *s; |
| 312 | if (datumtype == 'b') { |
| 313 | while (len-- > 0) { |
| 314 | if (bits & 1) culong++; |
| 315 | bits >>= 1; |
| 316 | } |
| 317 | } |
| 318 | else { |
| 319 | while (len-- > 0) { |
| 320 | if (bits & 128) culong++; |
| 321 | bits <<= 1; |
| 322 | } |
| 323 | } |
| 324 | } |
| 325 | break; |
| 326 | } |
| 327 | sv = NEWSV(35, len + 1); |
| 328 | SvCUR_set(sv, len); |
| 329 | SvPOK_on(sv); |
| 330 | str = SvPVX(sv); |
| 331 | if (datumtype == 'b') { |
| 332 | aint = len; |
| 333 | for (len = 0; len < aint; len++) { |
| 334 | if (len & 7) /*SUPPRESS 595*/ |
| 335 | bits >>= 1; |
| 336 | else |
| 337 | bits = *s++; |
| 338 | *str++ = '0' + (bits & 1); |
| 339 | } |
| 340 | } |
| 341 | else { |
| 342 | aint = len; |
| 343 | for (len = 0; len < aint; len++) { |
| 344 | if (len & 7) |
| 345 | bits <<= 1; |
| 346 | else |
| 347 | bits = *s++; |
| 348 | *str++ = '0' + ((bits & 128) != 0); |
| 349 | } |
| 350 | } |
| 351 | *str = '\0'; |
| 352 | XPUSHs(sv_2mortal(sv)); |
| 353 | break; |
| 354 | case 'H': |
| 355 | case 'h': |
| 356 | if (star || len > (strend - s) * 2) |
| 357 | len = (strend - s) * 2; |
| 358 | sv = NEWSV(35, len + 1); |
| 359 | SvCUR_set(sv, len); |
| 360 | SvPOK_on(sv); |
| 361 | str = SvPVX(sv); |
| 362 | if (datumtype == 'h') { |
| 363 | aint = len; |
| 364 | for (len = 0; len < aint; len++) { |
| 365 | if (len & 1) |
| 366 | bits >>= 4; |
| 367 | else |
| 368 | bits = *s++; |
| 369 | *str++ = PL_hexdigit[bits & 15]; |
| 370 | } |
| 371 | } |
| 372 | else { |
| 373 | aint = len; |
| 374 | for (len = 0; len < aint; len++) { |
| 375 | if (len & 1) |
| 376 | bits <<= 4; |
| 377 | else |
| 378 | bits = *s++; |
| 379 | *str++ = PL_hexdigit[(bits >> 4) & 15]; |
| 380 | } |
| 381 | } |
| 382 | *str = '\0'; |
| 383 | XPUSHs(sv_2mortal(sv)); |
| 384 | break; |
| 385 | case 'c': |
| 386 | if (len > strend - s) |
| 387 | len = strend - s; |
| 388 | if (checksum) { |
| 389 | while (len-- > 0) { |
| 390 | aint = *s++; |
| 391 | if (aint >= 128) /* fake up signed chars */ |
| 392 | aint -= 256; |
| fa8ec7c1 |
393 | if (checksum > bits_in_uv) |
| 394 | cdouble += (NV)aint; |
| 395 | else |
| 396 | culong += aint; |
| a6ec74c1 |
397 | } |
| 398 | } |
| 399 | else { |
| 400 | EXTEND(SP, len); |
| 401 | EXTEND_MORTAL(len); |
| 402 | while (len-- > 0) { |
| 403 | aint = *s++; |
| 404 | if (aint >= 128) /* fake up signed chars */ |
| 405 | aint -= 256; |
| 406 | sv = NEWSV(36, 0); |
| 407 | sv_setiv(sv, (IV)aint); |
| 408 | PUSHs(sv_2mortal(sv)); |
| 409 | } |
| 410 | } |
| 411 | break; |
| 412 | case 'C': |
| 35bcd338 |
413 | unpack_C: /* unpack U will jump here if not UTF-8 */ |
| 414 | if (len == 0) { |
| 415 | do_utf8 = FALSE; |
| 416 | break; |
| 417 | } |
| a6ec74c1 |
418 | if (len > strend - s) |
| 419 | len = strend - s; |
| 420 | if (checksum) { |
| 421 | uchar_checksum: |
| 422 | while (len-- > 0) { |
| 423 | auint = *s++ & 255; |
| 424 | culong += auint; |
| 425 | } |
| 426 | } |
| 427 | else { |
| 428 | EXTEND(SP, len); |
| 429 | EXTEND_MORTAL(len); |
| 430 | while (len-- > 0) { |
| 431 | auint = *s++ & 255; |
| 432 | sv = NEWSV(37, 0); |
| 433 | sv_setiv(sv, (IV)auint); |
| 434 | PUSHs(sv_2mortal(sv)); |
| 435 | } |
| 436 | } |
| 437 | break; |
| 438 | case 'U': |
| 35bcd338 |
439 | if (len == 0) { |
| 440 | do_utf8 = TRUE; |
| 441 | break; |
| 442 | } |
| 443 | if (!do_utf8) |
| 444 | goto unpack_C; |
| a6ec74c1 |
445 | if (len > strend - s) |
| 446 | len = strend - s; |
| 447 | if (checksum) { |
| 448 | while (len-- > 0 && s < strend) { |
| 449 | STRLEN alen; |
| 450 | auint = utf8n_to_uvchr((U8*)s, strend - s, &alen, 0); |
| 451 | along = alen; |
| 452 | s += along; |
| fa8ec7c1 |
453 | if (checksum > bits_in_uv) |
| a6ec74c1 |
454 | cdouble += (NV)auint; |
| 455 | else |
| 456 | culong += auint; |
| 457 | } |
| 458 | } |
| 459 | else { |
| 460 | EXTEND(SP, len); |
| 461 | EXTEND_MORTAL(len); |
| 462 | while (len-- > 0 && s < strend) { |
| 463 | STRLEN alen; |
| 464 | auint = utf8n_to_uvchr((U8*)s, strend - s, &alen, 0); |
| 465 | along = alen; |
| 466 | s += along; |
| 467 | sv = NEWSV(37, 0); |
| 468 | sv_setuv(sv, (UV)auint); |
| 469 | PUSHs(sv_2mortal(sv)); |
| 470 | } |
| 471 | } |
| 472 | break; |
| 473 | case 's': |
| 474 | #if SHORTSIZE == SIZE16 |
| 475 | along = (strend - s) / SIZE16; |
| 476 | #else |
| 477 | along = (strend - s) / (natint ? sizeof(short) : SIZE16); |
| 478 | #endif |
| 479 | if (len > along) |
| 480 | len = along; |
| 481 | if (checksum) { |
| 482 | #if SHORTSIZE != SIZE16 |
| 483 | if (natint) { |
| 484 | short ashort; |
| 485 | while (len-- > 0) { |
| 486 | COPYNN(s, &ashort, sizeof(short)); |
| 487 | s += sizeof(short); |
| fa8ec7c1 |
488 | if (checksum > bits_in_uv) |
| 489 | cdouble += (NV)ashort; |
| 490 | else |
| 491 | culong += ashort; |
| a6ec74c1 |
492 | |
| 493 | } |
| 494 | } |
| 495 | else |
| 496 | #endif |
| 497 | { |
| 498 | while (len-- > 0) { |
| 499 | COPY16(s, &ashort); |
| 500 | #if SHORTSIZE > SIZE16 |
| 501 | if (ashort > 32767) |
| 502 | ashort -= 65536; |
| 503 | #endif |
| 504 | s += SIZE16; |
| fa8ec7c1 |
505 | if (checksum > bits_in_uv) |
| 506 | cdouble += (NV)ashort; |
| 507 | else |
| 508 | culong += ashort; |
| a6ec74c1 |
509 | } |
| 510 | } |
| 511 | } |
| 512 | else { |
| 513 | EXTEND(SP, len); |
| 514 | EXTEND_MORTAL(len); |
| 515 | #if SHORTSIZE != SIZE16 |
| 516 | if (natint) { |
| 517 | short ashort; |
| 518 | while (len-- > 0) { |
| 519 | COPYNN(s, &ashort, sizeof(short)); |
| 520 | s += sizeof(short); |
| 521 | sv = NEWSV(38, 0); |
| 522 | sv_setiv(sv, (IV)ashort); |
| 523 | PUSHs(sv_2mortal(sv)); |
| 524 | } |
| 525 | } |
| 526 | else |
| 527 | #endif |
| 528 | { |
| 529 | while (len-- > 0) { |
| 530 | COPY16(s, &ashort); |
| 531 | #if SHORTSIZE > SIZE16 |
| 532 | if (ashort > 32767) |
| 533 | ashort -= 65536; |
| 534 | #endif |
| 535 | s += SIZE16; |
| 536 | sv = NEWSV(38, 0); |
| 537 | sv_setiv(sv, (IV)ashort); |
| 538 | PUSHs(sv_2mortal(sv)); |
| 539 | } |
| 540 | } |
| 541 | } |
| 542 | break; |
| 543 | case 'v': |
| 544 | case 'n': |
| 545 | case 'S': |
| 546 | #if SHORTSIZE == SIZE16 |
| 547 | along = (strend - s) / SIZE16; |
| 548 | #else |
| 549 | unatint = natint && datumtype == 'S'; |
| 550 | along = (strend - s) / (unatint ? sizeof(unsigned short) : SIZE16); |
| 551 | #endif |
| 552 | if (len > along) |
| 553 | len = along; |
| 554 | if (checksum) { |
| 555 | #if SHORTSIZE != SIZE16 |
| 556 | if (unatint) { |
| 557 | unsigned short aushort; |
| 558 | while (len-- > 0) { |
| 559 | COPYNN(s, &aushort, sizeof(unsigned short)); |
| 560 | s += sizeof(unsigned short); |
| fa8ec7c1 |
561 | if (checksum > bits_in_uv) |
| 562 | cdouble += (NV)aushort; |
| 563 | else |
| 564 | culong += aushort; |
| a6ec74c1 |
565 | } |
| 566 | } |
| 567 | else |
| 568 | #endif |
| 569 | { |
| 570 | while (len-- > 0) { |
| 571 | COPY16(s, &aushort); |
| 572 | s += SIZE16; |
| 573 | #ifdef HAS_NTOHS |
| 574 | if (datumtype == 'n') |
| 575 | aushort = PerlSock_ntohs(aushort); |
| 576 | #endif |
| 577 | #ifdef HAS_VTOHS |
| 578 | if (datumtype == 'v') |
| 579 | aushort = vtohs(aushort); |
| 580 | #endif |
| fa8ec7c1 |
581 | if (checksum > bits_in_uv) |
| 582 | cdouble += (NV)aushort; |
| 583 | else |
| 584 | culong += aushort; |
| a6ec74c1 |
585 | } |
| 586 | } |
| 587 | } |
| 588 | else { |
| 589 | EXTEND(SP, len); |
| 590 | EXTEND_MORTAL(len); |
| 591 | #if SHORTSIZE != SIZE16 |
| 592 | if (unatint) { |
| 593 | unsigned short aushort; |
| 594 | while (len-- > 0) { |
| 595 | COPYNN(s, &aushort, sizeof(unsigned short)); |
| 596 | s += sizeof(unsigned short); |
| 597 | sv = NEWSV(39, 0); |
| 598 | sv_setiv(sv, (UV)aushort); |
| 599 | PUSHs(sv_2mortal(sv)); |
| 600 | } |
| 601 | } |
| 602 | else |
| 603 | #endif |
| 604 | { |
| 605 | while (len-- > 0) { |
| 606 | COPY16(s, &aushort); |
| 607 | s += SIZE16; |
| 608 | sv = NEWSV(39, 0); |
| 609 | #ifdef HAS_NTOHS |
| 610 | if (datumtype == 'n') |
| 611 | aushort = PerlSock_ntohs(aushort); |
| 612 | #endif |
| 613 | #ifdef HAS_VTOHS |
| 614 | if (datumtype == 'v') |
| 615 | aushort = vtohs(aushort); |
| 616 | #endif |
| 617 | sv_setiv(sv, (UV)aushort); |
| 618 | PUSHs(sv_2mortal(sv)); |
| 619 | } |
| 620 | } |
| 621 | } |
| 622 | break; |
| 623 | case 'i': |
| 624 | along = (strend - s) / sizeof(int); |
| 625 | if (len > along) |
| 626 | len = along; |
| 627 | if (checksum) { |
| 628 | while (len-- > 0) { |
| 629 | Copy(s, &aint, 1, int); |
| 630 | s += sizeof(int); |
| fa8ec7c1 |
631 | if (checksum > bits_in_uv) |
| a6ec74c1 |
632 | cdouble += (NV)aint; |
| 633 | else |
| 634 | culong += aint; |
| 635 | } |
| 636 | } |
| 637 | else { |
| 638 | EXTEND(SP, len); |
| 639 | EXTEND_MORTAL(len); |
| 640 | while (len-- > 0) { |
| 641 | Copy(s, &aint, 1, int); |
| 642 | s += sizeof(int); |
| 643 | sv = NEWSV(40, 0); |
| 644 | #ifdef __osf__ |
| 645 | /* Without the dummy below unpack("i", pack("i",-1)) |
| 646 | * return 0xFFffFFff instead of -1 for Digital Unix V4.0 |
| 647 | * cc with optimization turned on. |
| 648 | * |
| 649 | * The bug was detected in |
| 650 | * DEC C V5.8-009 on Digital UNIX V4.0 (Rev. 1091) (V4.0E) |
| 651 | * with optimization (-O4) turned on. |
| 652 | * DEC C V5.2-040 on Digital UNIX V4.0 (Rev. 564) (V4.0B) |
| 653 | * does not have this problem even with -O4. |
| 654 | * |
| 655 | * This bug was reported as DECC_BUGS 1431 |
| 656 | * and tracked internally as GEM_BUGS 7775. |
| 657 | * |
| 658 | * The bug is fixed in |
| 659 | * Tru64 UNIX V5.0: Compaq C V6.1-006 or later |
| 660 | * UNIX V4.0F support: DEC C V5.9-006 or later |
| 661 | * UNIX V4.0E support: DEC C V5.8-011 or later |
| 662 | * and also in DTK. |
| 663 | * |
| 664 | * See also few lines later for the same bug. |
| 665 | */ |
| 666 | (aint) ? |
| 667 | sv_setiv(sv, (IV)aint) : |
| 668 | #endif |
| 669 | sv_setiv(sv, (IV)aint); |
| 670 | PUSHs(sv_2mortal(sv)); |
| 671 | } |
| 672 | } |
| 673 | break; |
| 674 | case 'I': |
| 675 | along = (strend - s) / sizeof(unsigned int); |
| 676 | if (len > along) |
| 677 | len = along; |
| 678 | if (checksum) { |
| 679 | while (len-- > 0) { |
| 680 | Copy(s, &auint, 1, unsigned int); |
| 681 | s += sizeof(unsigned int); |
| fa8ec7c1 |
682 | if (checksum > bits_in_uv) |
| a6ec74c1 |
683 | cdouble += (NV)auint; |
| 684 | else |
| 685 | culong += auint; |
| 686 | } |
| 687 | } |
| 688 | else { |
| 689 | EXTEND(SP, len); |
| 690 | EXTEND_MORTAL(len); |
| 691 | while (len-- > 0) { |
| 692 | Copy(s, &auint, 1, unsigned int); |
| 693 | s += sizeof(unsigned int); |
| 694 | sv = NEWSV(41, 0); |
| 695 | #ifdef __osf__ |
| 696 | /* Without the dummy below unpack("I", pack("I",0xFFFFFFFF)) |
| 697 | * returns 1.84467440737096e+19 instead of 0xFFFFFFFF. |
| 698 | * See details few lines earlier. */ |
| 699 | (auint) ? |
| 700 | sv_setuv(sv, (UV)auint) : |
| 701 | #endif |
| 702 | sv_setuv(sv, (UV)auint); |
| 703 | PUSHs(sv_2mortal(sv)); |
| 704 | } |
| 705 | } |
| 706 | break; |
| 707 | case 'l': |
| 708 | #if LONGSIZE == SIZE32 |
| 709 | along = (strend - s) / SIZE32; |
| 710 | #else |
| 711 | along = (strend - s) / (natint ? sizeof(long) : SIZE32); |
| 712 | #endif |
| 713 | if (len > along) |
| 714 | len = along; |
| 715 | if (checksum) { |
| 716 | #if LONGSIZE != SIZE32 |
| 717 | if (natint) { |
| 718 | while (len-- > 0) { |
| 719 | COPYNN(s, &along, sizeof(long)); |
| 720 | s += sizeof(long); |
| fa8ec7c1 |
721 | if (checksum > bits_in_uv) |
| a6ec74c1 |
722 | cdouble += (NV)along; |
| 723 | else |
| 724 | culong += along; |
| 725 | } |
| 726 | } |
| 727 | else |
| 728 | #endif |
| 729 | { |
| 730 | while (len-- > 0) { |
| 731 | #if LONGSIZE > SIZE32 && INTSIZE == SIZE32 |
| 732 | I32 along; |
| 733 | #endif |
| 734 | COPY32(s, &along); |
| 735 | #if LONGSIZE > SIZE32 |
| 736 | if (along > 2147483647) |
| 737 | along -= 4294967296; |
| 738 | #endif |
| 739 | s += SIZE32; |
| fa8ec7c1 |
740 | if (checksum > bits_in_uv) |
| a6ec74c1 |
741 | cdouble += (NV)along; |
| 742 | else |
| 743 | culong += along; |
| 744 | } |
| 745 | } |
| 746 | } |
| 747 | else { |
| 748 | EXTEND(SP, len); |
| 749 | EXTEND_MORTAL(len); |
| 750 | #if LONGSIZE != SIZE32 |
| 751 | if (natint) { |
| 752 | while (len-- > 0) { |
| 753 | COPYNN(s, &along, sizeof(long)); |
| 754 | s += sizeof(long); |
| 755 | sv = NEWSV(42, 0); |
| 756 | sv_setiv(sv, (IV)along); |
| 757 | PUSHs(sv_2mortal(sv)); |
| 758 | } |
| 759 | } |
| 760 | else |
| 761 | #endif |
| 762 | { |
| 763 | while (len-- > 0) { |
| 764 | #if LONGSIZE > SIZE32 && INTSIZE == SIZE32 |
| 765 | I32 along; |
| 766 | #endif |
| 767 | COPY32(s, &along); |
| 768 | #if LONGSIZE > SIZE32 |
| 769 | if (along > 2147483647) |
| 770 | along -= 4294967296; |
| 771 | #endif |
| 772 | s += SIZE32; |
| 773 | sv = NEWSV(42, 0); |
| 774 | sv_setiv(sv, (IV)along); |
| 775 | PUSHs(sv_2mortal(sv)); |
| 776 | } |
| 777 | } |
| 778 | } |
| 779 | break; |
| 780 | case 'V': |
| 781 | case 'N': |
| 782 | case 'L': |
| 783 | #if LONGSIZE == SIZE32 |
| 784 | along = (strend - s) / SIZE32; |
| 785 | #else |
| 786 | unatint = natint && datumtype == 'L'; |
| 787 | along = (strend - s) / (unatint ? sizeof(unsigned long) : SIZE32); |
| 788 | #endif |
| 789 | if (len > along) |
| 790 | len = along; |
| 791 | if (checksum) { |
| 792 | #if LONGSIZE != SIZE32 |
| 793 | if (unatint) { |
| 794 | unsigned long aulong; |
| 795 | while (len-- > 0) { |
| 796 | COPYNN(s, &aulong, sizeof(unsigned long)); |
| 797 | s += sizeof(unsigned long); |
| fa8ec7c1 |
798 | if (checksum > bits_in_uv) |
| a6ec74c1 |
799 | cdouble += (NV)aulong; |
| 800 | else |
| 801 | culong += aulong; |
| 802 | } |
| 803 | } |
| 804 | else |
| 805 | #endif |
| 806 | { |
| 807 | while (len-- > 0) { |
| 808 | COPY32(s, &aulong); |
| 809 | s += SIZE32; |
| 810 | #ifdef HAS_NTOHL |
| 811 | if (datumtype == 'N') |
| 812 | aulong = PerlSock_ntohl(aulong); |
| 813 | #endif |
| 814 | #ifdef HAS_VTOHL |
| 815 | if (datumtype == 'V') |
| 816 | aulong = vtohl(aulong); |
| 817 | #endif |
| fa8ec7c1 |
818 | if (checksum > bits_in_uv) |
| a6ec74c1 |
819 | cdouble += (NV)aulong; |
| 820 | else |
| 821 | culong += aulong; |
| 822 | } |
| 823 | } |
| 824 | } |
| 825 | else { |
| 826 | EXTEND(SP, len); |
| 827 | EXTEND_MORTAL(len); |
| 828 | #if LONGSIZE != SIZE32 |
| 829 | if (unatint) { |
| 830 | unsigned long aulong; |
| 831 | while (len-- > 0) { |
| 832 | COPYNN(s, &aulong, sizeof(unsigned long)); |
| 833 | s += sizeof(unsigned long); |
| 834 | sv = NEWSV(43, 0); |
| 835 | sv_setuv(sv, (UV)aulong); |
| 836 | PUSHs(sv_2mortal(sv)); |
| 837 | } |
| 838 | } |
| 839 | else |
| 840 | #endif |
| 841 | { |
| 842 | while (len-- > 0) { |
| 843 | COPY32(s, &aulong); |
| 844 | s += SIZE32; |
| 845 | #ifdef HAS_NTOHL |
| 846 | if (datumtype == 'N') |
| 847 | aulong = PerlSock_ntohl(aulong); |
| 848 | #endif |
| 849 | #ifdef HAS_VTOHL |
| 850 | if (datumtype == 'V') |
| 851 | aulong = vtohl(aulong); |
| 852 | #endif |
| 853 | sv = NEWSV(43, 0); |
| 854 | sv_setuv(sv, (UV)aulong); |
| 855 | PUSHs(sv_2mortal(sv)); |
| 856 | } |
| 857 | } |
| 858 | } |
| 859 | break; |
| 860 | case 'p': |
| 861 | along = (strend - s) / sizeof(char*); |
| 862 | if (len > along) |
| 863 | len = along; |
| 864 | EXTEND(SP, len); |
| 865 | EXTEND_MORTAL(len); |
| 866 | while (len-- > 0) { |
| 867 | if (sizeof(char*) > strend - s) |
| 868 | break; |
| 869 | else { |
| 870 | Copy(s, &aptr, 1, char*); |
| 871 | s += sizeof(char*); |
| 872 | } |
| 873 | sv = NEWSV(44, 0); |
| 874 | if (aptr) |
| 875 | sv_setpv(sv, aptr); |
| 876 | PUSHs(sv_2mortal(sv)); |
| 877 | } |
| 878 | break; |
| 879 | case 'w': |
| 880 | EXTEND(SP, len); |
| 881 | EXTEND_MORTAL(len); |
| 882 | { |
| 883 | UV auv = 0; |
| 884 | U32 bytes = 0; |
| 885 | |
| 886 | while ((len > 0) && (s < strend)) { |
| 887 | auv = (auv << 7) | (*s & 0x7f); |
| 888 | /* UTF8_IS_XXXXX not right here - using constant 0x80 */ |
| 889 | if ((U8)(*s++) < 0x80) { |
| 890 | bytes = 0; |
| 891 | sv = NEWSV(40, 0); |
| 892 | sv_setuv(sv, auv); |
| 893 | PUSHs(sv_2mortal(sv)); |
| 894 | len--; |
| 895 | auv = 0; |
| 896 | } |
| 897 | else if (++bytes >= sizeof(UV)) { /* promote to string */ |
| 898 | char *t; |
| 899 | STRLEN n_a; |
| 900 | |
| 901 | sv = Perl_newSVpvf(aTHX_ "%.*"UVf, (int)TYPE_DIGITS(UV), auv); |
| 902 | while (s < strend) { |
| 903 | sv = mul128(sv, *s & 0x7f); |
| 904 | if (!(*s++ & 0x80)) { |
| 905 | bytes = 0; |
| 906 | break; |
| 907 | } |
| 908 | } |
| 909 | t = SvPV(sv, n_a); |
| 910 | while (*t == '0') |
| 911 | t++; |
| 912 | sv_chop(sv, t); |
| 913 | PUSHs(sv_2mortal(sv)); |
| 914 | len--; |
| 915 | auv = 0; |
| 916 | } |
| 917 | } |
| 918 | if ((s >= strend) && bytes) |
| 919 | DIE(aTHX_ "Unterminated compressed integer"); |
| 920 | } |
| 921 | break; |
| 922 | case 'P': |
| 923 | EXTEND(SP, 1); |
| 924 | if (sizeof(char*) > strend - s) |
| 925 | break; |
| 926 | else { |
| 927 | Copy(s, &aptr, 1, char*); |
| 928 | s += sizeof(char*); |
| 929 | } |
| 930 | sv = NEWSV(44, 0); |
| 931 | if (aptr) |
| 932 | sv_setpvn(sv, aptr, len); |
| 933 | PUSHs(sv_2mortal(sv)); |
| 934 | break; |
| 935 | #ifdef HAS_QUAD |
| 936 | case 'q': |
| 937 | along = (strend - s) / sizeof(Quad_t); |
| 938 | if (len > along) |
| 939 | len = along; |
| fa8ec7c1 |
940 | if (checksum) { |
| 941 | while (len-- > 0) { |
| a6ec74c1 |
942 | Copy(s, &aquad, 1, Quad_t); |
| 943 | s += sizeof(Quad_t); |
| fa8ec7c1 |
944 | if (checksum > bits_in_uv) |
| 945 | cdouble += (NV)aquad; |
| 946 | else |
| 947 | culong += aquad; |
| a6ec74c1 |
948 | } |
| a6ec74c1 |
949 | } |
| fa8ec7c1 |
950 | else { |
| 951 | EXTEND(SP, len); |
| 952 | EXTEND_MORTAL(len); |
| 953 | while (len-- > 0) { |
| 954 | if (s + sizeof(Quad_t) > strend) |
| 955 | aquad = 0; |
| 956 | else { |
| 957 | Copy(s, &aquad, 1, Quad_t); |
| 958 | s += sizeof(Quad_t); |
| 959 | } |
| 960 | sv = NEWSV(42, 0); |
| 961 | if (aquad >= IV_MIN && aquad <= IV_MAX) |
| 962 | sv_setiv(sv, (IV)aquad); |
| 963 | else |
| 964 | sv_setnv(sv, (NV)aquad); |
| 965 | PUSHs(sv_2mortal(sv)); |
| 966 | } |
| 967 | } |
| a6ec74c1 |
968 | break; |
| 969 | case 'Q': |
| 970 | along = (strend - s) / sizeof(Quad_t); |
| 971 | if (len > along) |
| 972 | len = along; |
| fa8ec7c1 |
973 | if (checksum) { |
| 974 | while (len-- > 0) { |
| a6ec74c1 |
975 | Copy(s, &auquad, 1, Uquad_t); |
| 976 | s += sizeof(Uquad_t); |
| fa8ec7c1 |
977 | if (checksum > bits_in_uv) |
| 978 | cdouble += (NV)auquad; |
| 979 | else |
| 980 | culong += auquad; |
| a6ec74c1 |
981 | } |
| a6ec74c1 |
982 | } |
| fa8ec7c1 |
983 | else { |
| 984 | EXTEND(SP, len); |
| 985 | EXTEND_MORTAL(len); |
| 986 | while (len-- > 0) { |
| 987 | if (s + sizeof(Uquad_t) > strend) |
| 988 | auquad = 0; |
| 989 | else { |
| 990 | Copy(s, &auquad, 1, Uquad_t); |
| 991 | s += sizeof(Uquad_t); |
| 992 | } |
| 993 | sv = NEWSV(43, 0); |
| 994 | if (auquad <= UV_MAX) |
| 995 | sv_setuv(sv, (UV)auquad); |
| 996 | else |
| 997 | sv_setnv(sv, (NV)auquad); |
| 998 | PUSHs(sv_2mortal(sv)); |
| 999 | } |
| 1000 | } |
| a6ec74c1 |
1001 | break; |
| 1002 | #endif |
| 1003 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
| 1004 | case 'f': |
| 1005 | case 'F': |
| 1006 | along = (strend - s) / sizeof(float); |
| 1007 | if (len > along) |
| 1008 | len = along; |
| 1009 | if (checksum) { |
| 1010 | while (len-- > 0) { |
| 1011 | Copy(s, &afloat, 1, float); |
| 1012 | s += sizeof(float); |
| 1013 | cdouble += afloat; |
| 1014 | } |
| 1015 | } |
| 1016 | else { |
| 1017 | EXTEND(SP, len); |
| 1018 | EXTEND_MORTAL(len); |
| 1019 | while (len-- > 0) { |
| 1020 | Copy(s, &afloat, 1, float); |
| 1021 | s += sizeof(float); |
| 1022 | sv = NEWSV(47, 0); |
| 1023 | sv_setnv(sv, (NV)afloat); |
| 1024 | PUSHs(sv_2mortal(sv)); |
| 1025 | } |
| 1026 | } |
| 1027 | break; |
| 1028 | case 'd': |
| 1029 | case 'D': |
| 1030 | along = (strend - s) / sizeof(double); |
| 1031 | if (len > along) |
| 1032 | len = along; |
| 1033 | if (checksum) { |
| 1034 | while (len-- > 0) { |
| 1035 | Copy(s, &adouble, 1, double); |
| 1036 | s += sizeof(double); |
| 1037 | cdouble += adouble; |
| 1038 | } |
| 1039 | } |
| 1040 | else { |
| 1041 | EXTEND(SP, len); |
| 1042 | EXTEND_MORTAL(len); |
| 1043 | while (len-- > 0) { |
| 1044 | Copy(s, &adouble, 1, double); |
| 1045 | s += sizeof(double); |
| 1046 | sv = NEWSV(48, 0); |
| 1047 | sv_setnv(sv, (NV)adouble); |
| 1048 | PUSHs(sv_2mortal(sv)); |
| 1049 | } |
| 1050 | } |
| 1051 | break; |
| 1052 | case 'u': |
| 1053 | /* MKS: |
| 1054 | * Initialise the decode mapping. By using a table driven |
| 1055 | * algorithm, the code will be character-set independent |
| 1056 | * (and just as fast as doing character arithmetic) |
| 1057 | */ |
| 1058 | if (PL_uudmap['M'] == 0) { |
| 1059 | int i; |
| 1060 | |
| 1061 | for (i = 0; i < sizeof(PL_uuemap); i += 1) |
| 1062 | PL_uudmap[(U8)PL_uuemap[i]] = i; |
| 1063 | /* |
| 1064 | * Because ' ' and '`' map to the same value, |
| 1065 | * we need to decode them both the same. |
| 1066 | */ |
| 1067 | PL_uudmap[' '] = 0; |
| 1068 | } |
| 1069 | |
| 1070 | along = (strend - s) * 3 / 4; |
| 1071 | sv = NEWSV(42, along); |
| 1072 | if (along) |
| 1073 | SvPOK_on(sv); |
| 1074 | while (s < strend && *s > ' ' && ISUUCHAR(*s)) { |
| 1075 | I32 a, b, c, d; |
| 1076 | char hunk[4]; |
| 1077 | |
| 1078 | hunk[3] = '\0'; |
| 1079 | len = PL_uudmap[*(U8*)s++] & 077; |
| 1080 | while (len > 0) { |
| 1081 | if (s < strend && ISUUCHAR(*s)) |
| 1082 | a = PL_uudmap[*(U8*)s++] & 077; |
| 1083 | else |
| 1084 | a = 0; |
| 1085 | if (s < strend && ISUUCHAR(*s)) |
| 1086 | b = PL_uudmap[*(U8*)s++] & 077; |
| 1087 | else |
| 1088 | b = 0; |
| 1089 | if (s < strend && ISUUCHAR(*s)) |
| 1090 | c = PL_uudmap[*(U8*)s++] & 077; |
| 1091 | else |
| 1092 | c = 0; |
| 1093 | if (s < strend && ISUUCHAR(*s)) |
| 1094 | d = PL_uudmap[*(U8*)s++] & 077; |
| 1095 | else |
| 1096 | d = 0; |
| 1097 | hunk[0] = (a << 2) | (b >> 4); |
| 1098 | hunk[1] = (b << 4) | (c >> 2); |
| 1099 | hunk[2] = (c << 6) | d; |
| 1100 | sv_catpvn(sv, hunk, (len > 3) ? 3 : len); |
| 1101 | len -= 3; |
| 1102 | } |
| 1103 | if (*s == '\n') |
| 1104 | s++; |
| 1105 | else if (s[1] == '\n') /* possible checksum byte */ |
| 1106 | s += 2; |
| 1107 | } |
| 1108 | XPUSHs(sv_2mortal(sv)); |
| 1109 | break; |
| 1110 | } |
| 1111 | if (checksum) { |
| 1112 | sv = NEWSV(42, 0); |
| 1113 | if (strchr("fFdD", datumtype) || |
| fa8ec7c1 |
1114 | (checksum > bits_in_uv && strchr("csSiIlLnNUvVqQ", datumtype)) ) { |
| a6ec74c1 |
1115 | NV trouble; |
| 1116 | |
| fa8ec7c1 |
1117 | adouble = (NV) (1 << (checksum & 15)); |
| a6ec74c1 |
1118 | while (checksum >= 16) { |
| 1119 | checksum -= 16; |
| 1120 | adouble *= 65536.0; |
| 1121 | } |
| a6ec74c1 |
1122 | while (cdouble < 0.0) |
| 1123 | cdouble += adouble; |
| 1124 | cdouble = Perl_modf(cdouble / adouble, &trouble) * adouble; |
| 1125 | sv_setnv(sv, cdouble); |
| 1126 | } |
| 1127 | else { |
| fa8ec7c1 |
1128 | if (checksum < bits_in_uv) { |
| 1129 | UV mask = ((UV)1 << checksum) - 1; |
| 1130 | culong &= mask; |
| a6ec74c1 |
1131 | } |
| 1132 | sv_setuv(sv, (UV)culong); |
| 1133 | } |
| 1134 | XPUSHs(sv_2mortal(sv)); |
| 1135 | checksum = 0; |
| 1136 | } |
| b85d93de |
1137 | if (gimme != G_ARRAY && |
| 1138 | SP - PL_stack_base == start_sp_offset + 1) { |
| 1139 | /* do first one only unless in list context |
| 1140 | / is implmented by unpacking the count, then poping it from the |
| 1141 | stack, so must check that we're not in the middle of a / */ |
| 1142 | if ((pat >= patend) || *pat != '/') |
| 1143 | RETURN; |
| 1144 | } |
| a6ec74c1 |
1145 | } |
| 1146 | if (SP - PL_stack_base == start_sp_offset && gimme == G_SCALAR) |
| 1147 | PUSHs(&PL_sv_undef); |
| 1148 | RETURN; |
| 1149 | } |
| 1150 | |
| 1151 | STATIC void |
| 1152 | S_doencodes(pTHX_ register SV *sv, register char *s, register I32 len) |
| 1153 | { |
| 1154 | char hunk[5]; |
| 1155 | |
| 1156 | *hunk = PL_uuemap[len]; |
| 1157 | sv_catpvn(sv, hunk, 1); |
| 1158 | hunk[4] = '\0'; |
| 1159 | while (len > 2) { |
| 1160 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
| 1161 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017)))]; |
| 1162 | hunk[2] = PL_uuemap[(077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)))]; |
| 1163 | hunk[3] = PL_uuemap[(077 & (s[2] & 077))]; |
| 1164 | sv_catpvn(sv, hunk, 4); |
| 1165 | s += 3; |
| 1166 | len -= 3; |
| 1167 | } |
| 1168 | if (len > 0) { |
| 1169 | char r = (len > 1 ? s[1] : '\0'); |
| 1170 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
| 1171 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((r >> 4) & 017)))]; |
| 1172 | hunk[2] = PL_uuemap[(077 & ((r << 2) & 074))]; |
| 1173 | hunk[3] = PL_uuemap[0]; |
| 1174 | sv_catpvn(sv, hunk, 4); |
| 1175 | } |
| 1176 | sv_catpvn(sv, "\n", 1); |
| 1177 | } |
| 1178 | |
| 1179 | STATIC SV * |
| 1180 | S_is_an_int(pTHX_ char *s, STRLEN l) |
| 1181 | { |
| 1182 | STRLEN n_a; |
| 1183 | SV *result = newSVpvn(s, l); |
| 1184 | char *result_c = SvPV(result, n_a); /* convenience */ |
| 1185 | char *out = result_c; |
| 1186 | bool skip = 1; |
| 1187 | bool ignore = 0; |
| 1188 | |
| 1189 | while (*s) { |
| 1190 | switch (*s) { |
| 1191 | case ' ': |
| 1192 | break; |
| 1193 | case '+': |
| 1194 | if (!skip) { |
| 1195 | SvREFCNT_dec(result); |
| 1196 | return (NULL); |
| 1197 | } |
| 1198 | break; |
| 1199 | case '0': |
| 1200 | case '1': |
| 1201 | case '2': |
| 1202 | case '3': |
| 1203 | case '4': |
| 1204 | case '5': |
| 1205 | case '6': |
| 1206 | case '7': |
| 1207 | case '8': |
| 1208 | case '9': |
| 1209 | skip = 0; |
| 1210 | if (!ignore) { |
| 1211 | *(out++) = *s; |
| 1212 | } |
| 1213 | break; |
| 1214 | case '.': |
| 1215 | ignore = 1; |
| 1216 | break; |
| 1217 | default: |
| 1218 | SvREFCNT_dec(result); |
| 1219 | return (NULL); |
| 1220 | } |
| 1221 | s++; |
| 1222 | } |
| 1223 | *(out++) = '\0'; |
| 1224 | SvCUR_set(result, out - result_c); |
| 1225 | return (result); |
| 1226 | } |
| 1227 | |
| 1228 | /* pnum must be '\0' terminated */ |
| 1229 | STATIC int |
| 1230 | S_div128(pTHX_ SV *pnum, bool *done) |
| 1231 | { |
| 1232 | STRLEN len; |
| 1233 | char *s = SvPV(pnum, len); |
| 1234 | int m = 0; |
| 1235 | int r = 0; |
| 1236 | char *t = s; |
| 1237 | |
| 1238 | *done = 1; |
| 1239 | while (*t) { |
| 1240 | int i; |
| 1241 | |
| 1242 | i = m * 10 + (*t - '0'); |
| 1243 | m = i & 0x7F; |
| 1244 | r = (i >> 7); /* r < 10 */ |
| 1245 | if (r) { |
| 1246 | *done = 0; |
| 1247 | } |
| 1248 | *(t++) = '0' + r; |
| 1249 | } |
| 1250 | *(t++) = '\0'; |
| 1251 | SvCUR_set(pnum, (STRLEN) (t - s)); |
| 1252 | return (m); |
| 1253 | } |
| 1254 | |
| 1255 | |
| 1256 | PP(pp_pack) |
| 1257 | { |
| 1258 | dSP; dMARK; dORIGMARK; dTARGET; |
| 1259 | register SV *cat = TARG; |
| 1260 | register I32 items; |
| 1261 | STRLEN fromlen; |
| 1262 | register char *pat = SvPVx(*++MARK, fromlen); |
| 1263 | char *patcopy; |
| 1264 | register char *patend = pat + fromlen; |
| 1265 | register I32 len; |
| 1266 | I32 datumtype; |
| 1267 | SV *fromstr; |
| 1268 | /*SUPPRESS 442*/ |
| 1269 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; |
| 1270 | static char *space10 = " "; |
| 1271 | |
| 1272 | /* These must not be in registers: */ |
| 1273 | char achar; |
| 1274 | I16 ashort; |
| 1275 | int aint; |
| 1276 | unsigned int auint; |
| 1277 | I32 along; |
| 1278 | U32 aulong; |
| 1279 | #ifdef HAS_QUAD |
| 1280 | Quad_t aquad; |
| 1281 | Uquad_t auquad; |
| 1282 | #endif |
| 1283 | char *aptr; |
| 1284 | float afloat; |
| 1285 | double adouble; |
| 1286 | int commas = 0; |
| 1287 | #ifdef PERL_NATINT_PACK |
| 1288 | int natint; /* native integer */ |
| 1289 | #endif |
| 1290 | |
| 1291 | items = SP - MARK; |
| 1292 | MARK++; |
| 1293 | sv_setpvn(cat, "", 0); |
| 1294 | patcopy = pat; |
| 1295 | while (pat < patend) { |
| 1296 | SV *lengthcode = Nullsv; |
| 1297 | #define NEXTFROM ( lengthcode ? lengthcode : items-- > 0 ? *MARK++ : &PL_sv_no) |
| 1298 | datumtype = *pat++ & 0xFF; |
| 1299 | #ifdef PERL_NATINT_PACK |
| 1300 | natint = 0; |
| 1301 | #endif |
| 1302 | if (isSPACE(datumtype)) { |
| 1303 | patcopy++; |
| 1304 | continue; |
| 1305 | } |
| 1306 | #ifndef PACKED_IS_OCTETS |
| 1307 | if (datumtype == 'U' && pat == patcopy+1) |
| 1308 | SvUTF8_on(cat); |
| 1309 | #endif |
| 1310 | if (datumtype == '#') { |
| 1311 | while (pat < patend && *pat != '\n') |
| 1312 | pat++; |
| 1313 | continue; |
| 1314 | } |
| 1315 | if (*pat == '!') { |
| 1316 | char *natstr = "sSiIlL"; |
| 1317 | |
| 1318 | if (strchr(natstr, datumtype)) { |
| 1319 | #ifdef PERL_NATINT_PACK |
| 1320 | natint = 1; |
| 1321 | #endif |
| 1322 | pat++; |
| 1323 | } |
| 1324 | else |
| 1325 | DIE(aTHX_ "'!' allowed only after types %s", natstr); |
| 1326 | } |
| 1327 | if (*pat == '*') { |
| 1328 | len = strchr("@Xxu", datumtype) ? 0 : items; |
| 1329 | pat++; |
| 1330 | } |
| 1331 | else if (isDIGIT(*pat)) { |
| 1332 | len = *pat++ - '0'; |
| 1333 | while (isDIGIT(*pat)) { |
| 1334 | len = (len * 10) + (*pat++ - '0'); |
| 1335 | if (len < 0) |
| 1336 | DIE(aTHX_ "Repeat count in pack overflows"); |
| 1337 | } |
| 1338 | } |
| 1339 | else |
| 1340 | len = 1; |
| 1341 | if (*pat == '/') { |
| 1342 | ++pat; |
| 1343 | if ((*pat != 'a' && *pat != 'A' && *pat != 'Z') || pat[1] != '*') |
| 1344 | DIE(aTHX_ "/ must be followed by a*, A* or Z*"); |
| 1345 | lengthcode = sv_2mortal(newSViv(sv_len(items > 0 |
| 1346 | ? *MARK : &PL_sv_no) |
| 1347 | + (*pat == 'Z' ? 1 : 0))); |
| 1348 | } |
| 1349 | switch(datumtype) { |
| 1350 | default: |
| 1351 | DIE(aTHX_ "Invalid type in pack: '%c'", (int)datumtype); |
| 1352 | case ',': /* grandfather in commas but with a warning */ |
| 1353 | if (commas++ == 0 && ckWARN(WARN_PACK)) |
| 1354 | Perl_warner(aTHX_ WARN_PACK, |
| 1355 | "Invalid type in pack: '%c'", (int)datumtype); |
| 1356 | break; |
| 1357 | case '%': |
| 1358 | DIE(aTHX_ "%% may only be used in unpack"); |
| 1359 | case '@': |
| 1360 | len -= SvCUR(cat); |
| 1361 | if (len > 0) |
| 1362 | goto grow; |
| 1363 | len = -len; |
| 1364 | if (len > 0) |
| 1365 | goto shrink; |
| 1366 | break; |
| 1367 | case 'X': |
| 1368 | shrink: |
| 1369 | if (SvCUR(cat) < len) |
| 1370 | DIE(aTHX_ "X outside of string"); |
| 1371 | SvCUR(cat) -= len; |
| 1372 | *SvEND(cat) = '\0'; |
| 1373 | break; |
| 1374 | case 'x': |
| 1375 | grow: |
| 1376 | while (len >= 10) { |
| 1377 | sv_catpvn(cat, null10, 10); |
| 1378 | len -= 10; |
| 1379 | } |
| 1380 | sv_catpvn(cat, null10, len); |
| 1381 | break; |
| 1382 | case 'A': |
| 1383 | case 'Z': |
| 1384 | case 'a': |
| 1385 | fromstr = NEXTFROM; |
| 1386 | aptr = SvPV(fromstr, fromlen); |
| 1387 | if (pat[-1] == '*') { |
| 1388 | len = fromlen; |
| 1389 | if (datumtype == 'Z') |
| 1390 | ++len; |
| 1391 | } |
| 1392 | if (fromlen >= len) { |
| 1393 | sv_catpvn(cat, aptr, len); |
| 1394 | if (datumtype == 'Z') |
| 1395 | *(SvEND(cat)-1) = '\0'; |
| 1396 | } |
| 1397 | else { |
| 1398 | sv_catpvn(cat, aptr, fromlen); |
| 1399 | len -= fromlen; |
| 1400 | if (datumtype == 'A') { |
| 1401 | while (len >= 10) { |
| 1402 | sv_catpvn(cat, space10, 10); |
| 1403 | len -= 10; |
| 1404 | } |
| 1405 | sv_catpvn(cat, space10, len); |
| 1406 | } |
| 1407 | else { |
| 1408 | while (len >= 10) { |
| 1409 | sv_catpvn(cat, null10, 10); |
| 1410 | len -= 10; |
| 1411 | } |
| 1412 | sv_catpvn(cat, null10, len); |
| 1413 | } |
| 1414 | } |
| 1415 | break; |
| 1416 | case 'B': |
| 1417 | case 'b': |
| 1418 | { |
| 1419 | register char *str; |
| 1420 | I32 saveitems; |
| 1421 | |
| 1422 | fromstr = NEXTFROM; |
| 1423 | saveitems = items; |
| 1424 | str = SvPV(fromstr, fromlen); |
| 1425 | if (pat[-1] == '*') |
| 1426 | len = fromlen; |
| 1427 | aint = SvCUR(cat); |
| 1428 | SvCUR(cat) += (len+7)/8; |
| 1429 | SvGROW(cat, SvCUR(cat) + 1); |
| 1430 | aptr = SvPVX(cat) + aint; |
| 1431 | if (len > fromlen) |
| 1432 | len = fromlen; |
| 1433 | aint = len; |
| 1434 | items = 0; |
| 1435 | if (datumtype == 'B') { |
| 1436 | for (len = 0; len++ < aint;) { |
| 1437 | items |= *str++ & 1; |
| 1438 | if (len & 7) |
| 1439 | items <<= 1; |
| 1440 | else { |
| 1441 | *aptr++ = items & 0xff; |
| 1442 | items = 0; |
| 1443 | } |
| 1444 | } |
| 1445 | } |
| 1446 | else { |
| 1447 | for (len = 0; len++ < aint;) { |
| 1448 | if (*str++ & 1) |
| 1449 | items |= 128; |
| 1450 | if (len & 7) |
| 1451 | items >>= 1; |
| 1452 | else { |
| 1453 | *aptr++ = items & 0xff; |
| 1454 | items = 0; |
| 1455 | } |
| 1456 | } |
| 1457 | } |
| 1458 | if (aint & 7) { |
| 1459 | if (datumtype == 'B') |
| 1460 | items <<= 7 - (aint & 7); |
| 1461 | else |
| 1462 | items >>= 7 - (aint & 7); |
| 1463 | *aptr++ = items & 0xff; |
| 1464 | } |
| 1465 | str = SvPVX(cat) + SvCUR(cat); |
| 1466 | while (aptr <= str) |
| 1467 | *aptr++ = '\0'; |
| 1468 | |
| 1469 | items = saveitems; |
| 1470 | } |
| 1471 | break; |
| 1472 | case 'H': |
| 1473 | case 'h': |
| 1474 | { |
| 1475 | register char *str; |
| 1476 | I32 saveitems; |
| 1477 | |
| 1478 | fromstr = NEXTFROM; |
| 1479 | saveitems = items; |
| 1480 | str = SvPV(fromstr, fromlen); |
| 1481 | if (pat[-1] == '*') |
| 1482 | len = fromlen; |
| 1483 | aint = SvCUR(cat); |
| 1484 | SvCUR(cat) += (len+1)/2; |
| 1485 | SvGROW(cat, SvCUR(cat) + 1); |
| 1486 | aptr = SvPVX(cat) + aint; |
| 1487 | if (len > fromlen) |
| 1488 | len = fromlen; |
| 1489 | aint = len; |
| 1490 | items = 0; |
| 1491 | if (datumtype == 'H') { |
| 1492 | for (len = 0; len++ < aint;) { |
| 1493 | if (isALPHA(*str)) |
| 1494 | items |= ((*str++ & 15) + 9) & 15; |
| 1495 | else |
| 1496 | items |= *str++ & 15; |
| 1497 | if (len & 1) |
| 1498 | items <<= 4; |
| 1499 | else { |
| 1500 | *aptr++ = items & 0xff; |
| 1501 | items = 0; |
| 1502 | } |
| 1503 | } |
| 1504 | } |
| 1505 | else { |
| 1506 | for (len = 0; len++ < aint;) { |
| 1507 | if (isALPHA(*str)) |
| 1508 | items |= (((*str++ & 15) + 9) & 15) << 4; |
| 1509 | else |
| 1510 | items |= (*str++ & 15) << 4; |
| 1511 | if (len & 1) |
| 1512 | items >>= 4; |
| 1513 | else { |
| 1514 | *aptr++ = items & 0xff; |
| 1515 | items = 0; |
| 1516 | } |
| 1517 | } |
| 1518 | } |
| 1519 | if (aint & 1) |
| 1520 | *aptr++ = items & 0xff; |
| 1521 | str = SvPVX(cat) + SvCUR(cat); |
| 1522 | while (aptr <= str) |
| 1523 | *aptr++ = '\0'; |
| 1524 | |
| 1525 | items = saveitems; |
| 1526 | } |
| 1527 | break; |
| 1528 | case 'C': |
| 1529 | case 'c': |
| 1530 | while (len-- > 0) { |
| 1531 | fromstr = NEXTFROM; |
| 1532 | switch (datumtype) { |
| 1533 | case 'C': |
| 1534 | aint = SvIV(fromstr); |
| 1535 | if ((aint < 0 || aint > 255) && |
| 1536 | ckWARN(WARN_PACK)) |
| 1537 | Perl_warner(aTHX_ WARN_PACK, |
| 1538 | "Character in \"C\" format wrapped"); |
| 1539 | achar = aint & 255; |
| 1540 | sv_catpvn(cat, &achar, sizeof(char)); |
| 1541 | break; |
| 1542 | case 'c': |
| 1543 | aint = SvIV(fromstr); |
| 1544 | if ((aint < -128 || aint > 127) && |
| 1545 | ckWARN(WARN_PACK)) |
| 1546 | Perl_warner(aTHX_ WARN_PACK, |
| 1547 | "Character in \"c\" format wrapped"); |
| 1548 | achar = aint & 255; |
| 1549 | sv_catpvn(cat, &achar, sizeof(char)); |
| 1550 | break; |
| 1551 | } |
| 1552 | } |
| 1553 | break; |
| 1554 | case 'U': |
| 1555 | while (len-- > 0) { |
| 1556 | fromstr = NEXTFROM; |
| 1557 | auint = SvUV(fromstr); |
| 1558 | SvGROW(cat, SvCUR(cat) + UTF8_MAXLEN + 1); |
| 1559 | SvCUR_set(cat, (char*)uvchr_to_utf8((U8*)SvEND(cat),auint) |
| 1560 | - SvPVX(cat)); |
| 1561 | } |
| 1562 | *SvEND(cat) = '\0'; |
| 1563 | break; |
| 1564 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
| 1565 | case 'f': |
| 1566 | case 'F': |
| 1567 | while (len-- > 0) { |
| 1568 | fromstr = NEXTFROM; |
| 1569 | afloat = (float)SvNV(fromstr); |
| 1570 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); |
| 1571 | } |
| 1572 | break; |
| 1573 | case 'd': |
| 1574 | case 'D': |
| 1575 | while (len-- > 0) { |
| 1576 | fromstr = NEXTFROM; |
| 1577 | adouble = (double)SvNV(fromstr); |
| 1578 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); |
| 1579 | } |
| 1580 | break; |
| 1581 | case 'n': |
| 1582 | while (len-- > 0) { |
| 1583 | fromstr = NEXTFROM; |
| 1584 | ashort = (I16)SvIV(fromstr); |
| 1585 | #ifdef HAS_HTONS |
| 1586 | ashort = PerlSock_htons(ashort); |
| 1587 | #endif |
| 1588 | CAT16(cat, &ashort); |
| 1589 | } |
| 1590 | break; |
| 1591 | case 'v': |
| 1592 | while (len-- > 0) { |
| 1593 | fromstr = NEXTFROM; |
| 1594 | ashort = (I16)SvIV(fromstr); |
| 1595 | #ifdef HAS_HTOVS |
| 1596 | ashort = htovs(ashort); |
| 1597 | #endif |
| 1598 | CAT16(cat, &ashort); |
| 1599 | } |
| 1600 | break; |
| 1601 | case 'S': |
| 1602 | #if SHORTSIZE != SIZE16 |
| 1603 | if (natint) { |
| 1604 | unsigned short aushort; |
| 1605 | |
| 1606 | while (len-- > 0) { |
| 1607 | fromstr = NEXTFROM; |
| 1608 | aushort = SvUV(fromstr); |
| 1609 | sv_catpvn(cat, (char *)&aushort, sizeof(unsigned short)); |
| 1610 | } |
| 1611 | } |
| 1612 | else |
| 1613 | #endif |
| 1614 | { |
| 1615 | U16 aushort; |
| 1616 | |
| 1617 | while (len-- > 0) { |
| 1618 | fromstr = NEXTFROM; |
| 1619 | aushort = (U16)SvUV(fromstr); |
| 1620 | CAT16(cat, &aushort); |
| 1621 | } |
| 1622 | |
| 1623 | } |
| 1624 | break; |
| 1625 | case 's': |
| 1626 | #if SHORTSIZE != SIZE16 |
| 1627 | if (natint) { |
| 1628 | short ashort; |
| 1629 | |
| 1630 | while (len-- > 0) { |
| 1631 | fromstr = NEXTFROM; |
| 1632 | ashort = SvIV(fromstr); |
| 1633 | sv_catpvn(cat, (char *)&ashort, sizeof(short)); |
| 1634 | } |
| 1635 | } |
| 1636 | else |
| 1637 | #endif |
| 1638 | { |
| 1639 | while (len-- > 0) { |
| 1640 | fromstr = NEXTFROM; |
| 1641 | ashort = (I16)SvIV(fromstr); |
| 1642 | CAT16(cat, &ashort); |
| 1643 | } |
| 1644 | } |
| 1645 | break; |
| 1646 | case 'I': |
| 1647 | while (len-- > 0) { |
| 1648 | fromstr = NEXTFROM; |
| 1649 | auint = SvUV(fromstr); |
| 1650 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
| 1651 | } |
| 1652 | break; |
| 1653 | case 'w': |
| 1654 | while (len-- > 0) { |
| 1655 | fromstr = NEXTFROM; |
| 1656 | adouble = Perl_floor(SvNV(fromstr)); |
| 1657 | |
| 1658 | if (adouble < 0) |
| 1659 | DIE(aTHX_ "Cannot compress negative numbers"); |
| 1660 | |
| 1661 | if ( |
| 1662 | #if UVSIZE > 4 && UVSIZE >= NVSIZE |
| 1663 | adouble <= 0xffffffff |
| 1664 | #else |
| 1665 | # ifdef CXUX_BROKEN_CONSTANT_CONVERT |
| 1666 | adouble <= UV_MAX_cxux |
| 1667 | # else |
| 1668 | adouble <= UV_MAX |
| 1669 | # endif |
| 1670 | #endif |
| 1671 | ) |
| 1672 | { |
| 1673 | char buf[1 + sizeof(UV)]; |
| 1674 | char *in = buf + sizeof(buf); |
| 1675 | UV auv = U_V(adouble); |
| 1676 | |
| 1677 | do { |
| 1678 | *--in = (auv & 0x7f) | 0x80; |
| 1679 | auv >>= 7; |
| 1680 | } while (auv); |
| 1681 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ |
| 1682 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); |
| 1683 | } |
| 1684 | else if (SvPOKp(fromstr)) { /* decimal string arithmetics */ |
| 1685 | char *from, *result, *in; |
| 1686 | SV *norm; |
| 1687 | STRLEN len; |
| 1688 | bool done; |
| 1689 | |
| 1690 | /* Copy string and check for compliance */ |
| 1691 | from = SvPV(fromstr, len); |
| 1692 | if ((norm = is_an_int(from, len)) == NULL) |
| 1693 | DIE(aTHX_ "can compress only unsigned integer"); |
| 1694 | |
| 1695 | New('w', result, len, char); |
| 1696 | in = result + len; |
| 1697 | done = FALSE; |
| 1698 | while (!done) |
| 1699 | *--in = div128(norm, &done) | 0x80; |
| 1700 | result[len - 1] &= 0x7F; /* clear continue bit */ |
| 1701 | sv_catpvn(cat, in, (result + len) - in); |
| 1702 | Safefree(result); |
| 1703 | SvREFCNT_dec(norm); /* free norm */ |
| 1704 | } |
| 1705 | else if (SvNOKp(fromstr)) { |
| 1706 | char buf[sizeof(double) * 2]; /* 8/7 <= 2 */ |
| 1707 | char *in = buf + sizeof(buf); |
| 1708 | |
| 1709 | do { |
| 1710 | double next = floor(adouble / 128); |
| 1711 | *--in = (unsigned char)(adouble - (next * 128)) | 0x80; |
| 1712 | if (in <= buf) /* this cannot happen ;-) */ |
| 1713 | DIE(aTHX_ "Cannot compress integer"); |
| a6ec74c1 |
1714 | adouble = next; |
| 1715 | } while (adouble > 0); |
| 1716 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ |
| 1717 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); |
| 1718 | } |
| 1719 | else |
| 1720 | DIE(aTHX_ "Cannot compress non integer"); |
| 1721 | } |
| 1722 | break; |
| 1723 | case 'i': |
| 1724 | while (len-- > 0) { |
| 1725 | fromstr = NEXTFROM; |
| 1726 | aint = SvIV(fromstr); |
| 1727 | sv_catpvn(cat, (char*)&aint, sizeof(int)); |
| 1728 | } |
| 1729 | break; |
| 1730 | case 'N': |
| 1731 | while (len-- > 0) { |
| 1732 | fromstr = NEXTFROM; |
| 1733 | aulong = SvUV(fromstr); |
| 1734 | #ifdef HAS_HTONL |
| 1735 | aulong = PerlSock_htonl(aulong); |
| 1736 | #endif |
| 1737 | CAT32(cat, &aulong); |
| 1738 | } |
| 1739 | break; |
| 1740 | case 'V': |
| 1741 | while (len-- > 0) { |
| 1742 | fromstr = NEXTFROM; |
| 1743 | aulong = SvUV(fromstr); |
| 1744 | #ifdef HAS_HTOVL |
| 1745 | aulong = htovl(aulong); |
| 1746 | #endif |
| 1747 | CAT32(cat, &aulong); |
| 1748 | } |
| 1749 | break; |
| 1750 | case 'L': |
| 1751 | #if LONGSIZE != SIZE32 |
| 1752 | if (natint) { |
| 1753 | unsigned long aulong; |
| 1754 | |
| 1755 | while (len-- > 0) { |
| 1756 | fromstr = NEXTFROM; |
| 1757 | aulong = SvUV(fromstr); |
| 1758 | sv_catpvn(cat, (char *)&aulong, sizeof(unsigned long)); |
| 1759 | } |
| 1760 | } |
| 1761 | else |
| 1762 | #endif |
| 1763 | { |
| 1764 | while (len-- > 0) { |
| 1765 | fromstr = NEXTFROM; |
| 1766 | aulong = SvUV(fromstr); |
| 1767 | CAT32(cat, &aulong); |
| 1768 | } |
| 1769 | } |
| 1770 | break; |
| 1771 | case 'l': |
| 1772 | #if LONGSIZE != SIZE32 |
| 1773 | if (natint) { |
| 1774 | long along; |
| 1775 | |
| 1776 | while (len-- > 0) { |
| 1777 | fromstr = NEXTFROM; |
| 1778 | along = SvIV(fromstr); |
| 1779 | sv_catpvn(cat, (char *)&along, sizeof(long)); |
| 1780 | } |
| 1781 | } |
| 1782 | else |
| 1783 | #endif |
| 1784 | { |
| 1785 | while (len-- > 0) { |
| 1786 | fromstr = NEXTFROM; |
| 1787 | along = SvIV(fromstr); |
| 1788 | CAT32(cat, &along); |
| 1789 | } |
| 1790 | } |
| 1791 | break; |
| 1792 | #ifdef HAS_QUAD |
| 1793 | case 'Q': |
| 1794 | while (len-- > 0) { |
| 1795 | fromstr = NEXTFROM; |
| 1796 | auquad = (Uquad_t)SvUV(fromstr); |
| 1797 | sv_catpvn(cat, (char*)&auquad, sizeof(Uquad_t)); |
| 1798 | } |
| 1799 | break; |
| 1800 | case 'q': |
| 1801 | while (len-- > 0) { |
| 1802 | fromstr = NEXTFROM; |
| 1803 | aquad = (Quad_t)SvIV(fromstr); |
| 1804 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); |
| 1805 | } |
| 1806 | break; |
| 1807 | #endif |
| 1808 | case 'P': |
| 1809 | len = 1; /* assume SV is correct length */ |
| 1810 | /* FALL THROUGH */ |
| 1811 | case 'p': |
| 1812 | while (len-- > 0) { |
| 1813 | fromstr = NEXTFROM; |
| 1814 | if (fromstr == &PL_sv_undef) |
| 1815 | aptr = NULL; |
| 1816 | else { |
| 1817 | STRLEN n_a; |
| 1818 | /* XXX better yet, could spirit away the string to |
| 1819 | * a safe spot and hang on to it until the result |
| 1820 | * of pack() (and all copies of the result) are |
| 1821 | * gone. |
| 1822 | */ |
| 1823 | if (ckWARN(WARN_PACK) && (SvTEMP(fromstr) |
| 1824 | || (SvPADTMP(fromstr) |
| 1825 | && !SvREADONLY(fromstr)))) |
| 1826 | { |
| 1827 | Perl_warner(aTHX_ WARN_PACK, |
| 1828 | "Attempt to pack pointer to temporary value"); |
| 1829 | } |
| 1830 | if (SvPOK(fromstr) || SvNIOK(fromstr)) |
| 1831 | aptr = SvPV(fromstr,n_a); |
| 1832 | else |
| 1833 | aptr = SvPV_force(fromstr,n_a); |
| 1834 | } |
| 1835 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
| 1836 | } |
| 1837 | break; |
| 1838 | case 'u': |
| 1839 | fromstr = NEXTFROM; |
| 1840 | aptr = SvPV(fromstr, fromlen); |
| 1841 | SvGROW(cat, fromlen * 4 / 3); |
| 1842 | if (len <= 1) |
| 1843 | len = 45; |
| 1844 | else |
| 1845 | len = len / 3 * 3; |
| 1846 | while (fromlen > 0) { |
| 1847 | I32 todo; |
| 1848 | |
| 1849 | if (fromlen > len) |
| 1850 | todo = len; |
| 1851 | else |
| 1852 | todo = fromlen; |
| 1853 | doencodes(cat, aptr, todo); |
| 1854 | fromlen -= todo; |
| 1855 | aptr += todo; |
| 1856 | } |
| 1857 | break; |
| 1858 | } |
| 1859 | } |
| 1860 | SvSETMAGIC(cat); |
| 1861 | SP = ORIGMARK; |
| 1862 | PUSHs(cat); |
| 1863 | RETURN; |
| 1864 | } |
| 1865 | #undef NEXTFROM |
| 1866 | |
projects / p5sagit/p5-mst-13.2.git / blame