| 1 | /*- |
| 2 | * Copyright (c) 1992, 1993, 1994 |
| 3 | * The Regents of the University of California. All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. All advertising materials mentioning features or use of this software |
| 14 | * must display the following acknowledgement: |
| 15 | * This product includes software developed by the University of |
| 16 | * California, Berkeley and its contributors. |
| 17 | * 4. Neither the name of the University nor the names of its contributors |
| 18 | * may be used to endorse or promote products derived from this software |
| 19 | * without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 31 | * SUCH DAMAGE. |
| 32 | */ |
| 33 | |
| 34 | #ifndef lint |
| 35 | static char sccsid[] = "@(#)ex_script.c 8.12 (Berkeley) 3/14/94"; |
| 36 | #endif /* not lint */ |
| 37 | |
| 38 | #include <sys/types.h> |
| 39 | #include <sys/ioctl.h> |
| 40 | #include <queue.h> |
| 41 | #include <sys/time.h> |
| 42 | #include <sys/wait.h> |
| 43 | |
| 44 | #include <bitstring.h> |
| 45 | #include <errno.h> |
| 46 | #include <limits.h> |
| 47 | #include <signal.h> |
| 48 | #include <stdio.h> |
| 49 | #include <stdlib.h> |
| 50 | #include <string.h> |
| 51 | #include <termios.h> |
| 52 | #include <unistd.h> |
| 53 | |
| 54 | #include <db.h> |
| 55 | #include <regex.h> |
| 56 | |
| 57 | #include "vi.h" |
| 58 | #include "excmd.h" |
| 59 | #include "script.h" |
| 60 | |
| 61 | /* |
| 62 | * XXX |
| 63 | */ |
| 64 | int openpty __P((int *, int *, char *, struct termios *, struct winsize *)); |
| 65 | |
| 66 | static int sscr_getprompt __P((SCR *, EXF *)); |
| 67 | static int sscr_init __P((SCR *, EXF *)); |
| 68 | static int sscr_matchprompt __P((SCR *, char *, size_t, size_t *)); |
| 69 | static int sscr_setprompt __P((SCR *, char *, size_t)); |
| 70 | |
| 71 | /* |
| 72 | * ex_script -- : sc[ript][!] [file] |
| 73 | * |
| 74 | * Switch to script mode. |
| 75 | */ |
| 76 | int |
| 77 | ex_script(sp, ep, cmdp) |
| 78 | SCR *sp; |
| 79 | EXF *ep; |
| 80 | EXCMDARG *cmdp; |
| 81 | { |
| 82 | /* Vi only command. */ |
| 83 | if (!IN_VI_MODE(sp)) { |
| 84 | msgq(sp, M_ERR, |
| 85 | "The script command is only available in vi mode."); |
| 86 | return (1); |
| 87 | } |
| 88 | |
| 89 | /* Switch to the new file. */ |
| 90 | if (cmdp->argc != 0 && ex_edit(sp, ep, cmdp)) |
| 91 | return (1); |
| 92 | |
| 93 | /* |
| 94 | * Create the shell, figure out the prompt. |
| 95 | * |
| 96 | * !!! |
| 97 | * The files just switched, use sp->ep. |
| 98 | */ |
| 99 | if (sscr_init(sp, sp->ep)) |
| 100 | return (1); |
| 101 | |
| 102 | return (0); |
| 103 | } |
| 104 | |
| 105 | /* |
| 106 | * sscr_init -- |
| 107 | * Create a pty setup for a shell. |
| 108 | */ |
| 109 | static int |
| 110 | sscr_init(sp, ep) |
| 111 | SCR *sp; |
| 112 | EXF *ep; |
| 113 | { |
| 114 | SCRIPT *sc; |
| 115 | char *sh, *sh_path; |
| 116 | |
| 117 | MALLOC_RET(sp, sc, SCRIPT *, sizeof(SCRIPT)); |
| 118 | sp->script = sc; |
| 119 | sc->sh_prompt = NULL; |
| 120 | sc->sh_prompt_len = 0; |
| 121 | |
| 122 | /* |
| 123 | * There are two different processes running through this code. |
| 124 | * They are the shell and the parent. |
| 125 | */ |
| 126 | sc->sh_master = sc->sh_slave = -1; |
| 127 | |
| 128 | if (tcgetattr(STDIN_FILENO, &sc->sh_term) == -1) { |
| 129 | msgq(sp, M_SYSERR, "tcgetattr"); |
| 130 | goto err; |
| 131 | } |
| 132 | |
| 133 | /* |
| 134 | * Turn off output postprocessing and echo. |
| 135 | */ |
| 136 | sc->sh_term.c_oflag &= ~OPOST; |
| 137 | sc->sh_term.c_cflag &= ~(ECHO|ECHOE|ECHONL|ECHOK); |
| 138 | |
| 139 | if (ioctl(STDIN_FILENO, TIOCGWINSZ, &sc->sh_win) == -1) { |
| 140 | msgq(sp, M_SYSERR, "tcgetattr"); |
| 141 | goto err; |
| 142 | } |
| 143 | |
| 144 | if (openpty(&sc->sh_master, |
| 145 | &sc->sh_slave, sc->sh_name, &sc->sh_term, &sc->sh_win) == -1) { |
| 146 | msgq(sp, M_SYSERR, "openpty"); |
| 147 | goto err; |
| 148 | } |
| 149 | |
| 150 | /* |
| 151 | * Don't use vfork() here, because the signal semantics |
| 152 | * differ from implementation to implementation. |
| 153 | */ |
| 154 | switch (sc->sh_pid = fork()) { |
| 155 | case -1: /* Error. */ |
| 156 | msgq(sp, M_SYSERR, "fork"); |
| 157 | err: if (sc->sh_master != -1) |
| 158 | (void)close(sc->sh_master); |
| 159 | if (sc->sh_slave != -1) |
| 160 | (void)close(sc->sh_slave); |
| 161 | return (1); |
| 162 | case 0: /* Utility. */ |
| 163 | /* |
| 164 | * The utility has default signal behavior. Don't bother |
| 165 | * using sigaction(2) 'cause we want the default behavior. |
| 166 | */ |
| 167 | (void)signal(SIGINT, SIG_DFL); |
| 168 | (void)signal(SIGQUIT, SIG_DFL); |
| 169 | |
| 170 | /* |
| 171 | * XXX |
| 172 | * So that shells that do command line editing turn it off. |
| 173 | */ |
| 174 | (void)putenv("TERM=emacs"); |
| 175 | (void)putenv("TERMCAP=emacs:"); |
| 176 | (void)putenv("EMACS=t"); |
| 177 | |
| 178 | (void)setsid(); |
| 179 | #ifdef TIOCSCTTY |
| 180 | /* |
| 181 | * 4.4BSD allocates a controlling terminal using the TIOCSCTTY |
| 182 | * ioctl, not by opening a terminal device file. POSIX 1003.1 |
| 183 | * doesn't define a portable way to do this. If TIOCSCTTY is |
| 184 | * not available, hope that the open does it. |
| 185 | */ |
| 186 | (void)ioctl(sc->sh_slave, TIOCSCTTY, 0); |
| 187 | #endif |
| 188 | (void)close(sc->sh_master); |
| 189 | (void)dup2(sc->sh_slave, STDIN_FILENO); |
| 190 | (void)dup2(sc->sh_slave, STDOUT_FILENO); |
| 191 | (void)dup2(sc->sh_slave, STDERR_FILENO); |
| 192 | (void)close(sc->sh_slave); |
| 193 | |
| 194 | /* Assumes that all shells have -i. */ |
| 195 | sh_path = O_STR(sp, O_SHELL); |
| 196 | if ((sh = strrchr(sh_path, '/')) == NULL) |
| 197 | sh = sh_path; |
| 198 | else |
| 199 | ++sh; |
| 200 | execl(sh_path, sh, "-i", NULL); |
| 201 | msgq(sp, M_ERR, |
| 202 | "Error: execl: %s: %s", sh_path, strerror(errno)); |
| 203 | _exit(127); |
| 204 | default: |
| 205 | break; |
| 206 | } |
| 207 | |
| 208 | if (sscr_getprompt(sp, ep)) |
| 209 | return (1); |
| 210 | |
| 211 | F_SET(sp, S_REDRAW | S_SCRIPT); |
| 212 | return (0); |
| 213 | |
| 214 | } |
| 215 | |
| 216 | /* |
| 217 | * sscr_getprompt -- |
| 218 | * Eat lines printed by the shell until a line with no trailing |
| 219 | * carriage return comes; set the prompt from that line. |
| 220 | */ |
| 221 | static int |
| 222 | sscr_getprompt(sp, ep) |
| 223 | SCR *sp; |
| 224 | EXF *ep; |
| 225 | { |
| 226 | struct timeval tv; |
| 227 | SCRIPT *sc; |
| 228 | fd_set fdset; |
| 229 | recno_t lline; |
| 230 | size_t llen, len; |
| 231 | u_int value; |
| 232 | int nr; |
| 233 | char *endp, *p, *t, buf[1024]; |
| 234 | |
| 235 | FD_ZERO(&fdset); |
| 236 | endp = buf; |
| 237 | len = sizeof(buf); |
| 238 | |
| 239 | /* Wait up to a second for characters to read. */ |
| 240 | tv.tv_sec = 5; |
| 241 | tv.tv_usec = 0; |
| 242 | sc = sp->script; |
| 243 | FD_SET(sc->sh_master, &fdset); |
| 244 | switch (select(sc->sh_master + 1, &fdset, NULL, NULL, &tv)) { |
| 245 | case -1: /* Error or interrupt. */ |
| 246 | msgq(sp, M_SYSERR, "select"); |
| 247 | goto prompterr; |
| 248 | case 0: /* Timeout */ |
| 249 | msgq(sp, M_ERR, "Error: timed out."); |
| 250 | goto prompterr; |
| 251 | case 1: /* Characters to read. */ |
| 252 | break; |
| 253 | } |
| 254 | |
| 255 | /* Read the characters. */ |
| 256 | more: len = sizeof(buf) - (endp - buf); |
| 257 | switch (nr = read(sc->sh_master, endp, len)) { |
| 258 | case 0: /* EOF. */ |
| 259 | msgq(sp, M_ERR, "Error: shell: EOF"); |
| 260 | goto prompterr; |
| 261 | case -1: /* Error or interrupt. */ |
| 262 | msgq(sp, M_SYSERR, "shell"); |
| 263 | goto prompterr; |
| 264 | default: |
| 265 | endp += nr; |
| 266 | break; |
| 267 | } |
| 268 | |
| 269 | /* If any complete lines, push them into the file. */ |
| 270 | for (p = t = buf; p < endp; ++p) { |
| 271 | value = term_key_val(sp, *p); |
| 272 | if (value == K_CR || value == K_NL) { |
| 273 | if (file_lline(sp, ep, &lline) || |
| 274 | file_aline(sp, ep, 0, lline, t, p - t)) |
| 275 | goto prompterr; |
| 276 | t = p + 1; |
| 277 | } |
| 278 | } |
| 279 | if (p > buf) { |
| 280 | memmove(buf, t, endp - t); |
| 281 | endp = buf + (endp - t); |
| 282 | } |
| 283 | if (endp == buf) |
| 284 | goto more; |
| 285 | |
| 286 | /* Wait up 1/10 of a second to make sure that we got it all. */ |
| 287 | tv.tv_sec = 0; |
| 288 | tv.tv_usec = 100000; |
| 289 | switch (select(sc->sh_master + 1, &fdset, NULL, NULL, &tv)) { |
| 290 | case -1: /* Error or interrupt. */ |
| 291 | msgq(sp, M_SYSERR, "select"); |
| 292 | goto prompterr; |
| 293 | case 0: /* Timeout */ |
| 294 | break; |
| 295 | case 1: /* Characters to read. */ |
| 296 | goto more; |
| 297 | } |
| 298 | |
| 299 | /* Timed out, so theoretically we have a prompt. */ |
| 300 | llen = endp - buf; |
| 301 | endp = buf; |
| 302 | |
| 303 | /* Append the line into the file. */ |
| 304 | if (file_lline(sp, ep, &lline) || |
| 305 | file_aline(sp, ep, 0, lline, buf, llen)) { |
| 306 | prompterr: sscr_end(sp); |
| 307 | return (1); |
| 308 | } |
| 309 | |
| 310 | return (sscr_setprompt(sp, buf, llen)); |
| 311 | } |
| 312 | |
| 313 | /* |
| 314 | * sscr_exec -- |
| 315 | * Take a line and hand it off to the shell. |
| 316 | */ |
| 317 | int |
| 318 | sscr_exec(sp, ep, lno) |
| 319 | SCR *sp; |
| 320 | EXF *ep; |
| 321 | recno_t lno; |
| 322 | { |
| 323 | SCRIPT *sc; |
| 324 | recno_t last_lno; |
| 325 | size_t blen, len, last_len, tlen; |
| 326 | int matchprompt, nw, rval; |
| 327 | char *bp, *p; |
| 328 | |
| 329 | /* If there's a prompt on the last line, append the command. */ |
| 330 | if (file_lline(sp, ep, &last_lno)) |
| 331 | return (1); |
| 332 | if ((p = file_gline(sp, ep, last_lno, &last_len)) == NULL) { |
| 333 | GETLINE_ERR(sp, last_lno); |
| 334 | return (1); |
| 335 | } |
| 336 | if (sscr_matchprompt(sp, p, last_len, &tlen) && tlen == 0) { |
| 337 | matchprompt = 1; |
| 338 | GET_SPACE_RET(sp, bp, blen, last_len + 128); |
| 339 | memmove(bp, p, last_len); |
| 340 | } else |
| 341 | matchprompt = 0; |
| 342 | |
| 343 | /* Get something to execute. */ |
| 344 | if ((p = file_gline(sp, ep, lno, &len)) == NULL) { |
| 345 | if (file_lline(sp, ep, &lno)) |
| 346 | goto err1; |
| 347 | if (lno == 0) |
| 348 | goto empty; |
| 349 | else |
| 350 | GETLINE_ERR(sp, lno); |
| 351 | goto err1; |
| 352 | } |
| 353 | |
| 354 | /* Empty lines aren't interesting. */ |
| 355 | if (len == 0) |
| 356 | goto empty; |
| 357 | |
| 358 | /* Delete any prompt. */ |
| 359 | if (sscr_matchprompt(sp, p, len, &tlen)) { |
| 360 | if (tlen == len) { |
| 361 | empty: msgq(sp, M_BERR, "Nothing to execute."); |
| 362 | goto err1; |
| 363 | } |
| 364 | p += (len - tlen); |
| 365 | len = tlen; |
| 366 | } |
| 367 | |
| 368 | /* Push the line to the shell. */ |
| 369 | sc = sp->script; |
| 370 | if ((nw = write(sc->sh_master, p, len)) != len) |
| 371 | goto err2; |
| 372 | rval = 0; |
| 373 | if (write(sc->sh_master, "\n", 1) != 1) { |
| 374 | err2: if (nw == 0) |
| 375 | errno = EIO; |
| 376 | msgq(sp, M_SYSERR, "shell"); |
| 377 | goto err1; |
| 378 | } |
| 379 | |
| 380 | if (matchprompt) { |
| 381 | ADD_SPACE_RET(sp, bp, blen, last_len + len); |
| 382 | memmove(bp + last_len, p, len); |
| 383 | if (file_sline(sp, ep, last_lno, bp, last_len + len)) |
| 384 | err1: rval = 1; |
| 385 | } |
| 386 | if (matchprompt) |
| 387 | FREE_SPACE(sp, bp, blen); |
| 388 | return (rval); |
| 389 | } |
| 390 | |
| 391 | /* |
| 392 | * sscr_input -- |
| 393 | * Take a line from the shell and insert it into the file. |
| 394 | */ |
| 395 | int |
| 396 | sscr_input(sp) |
| 397 | SCR *sp; |
| 398 | { |
| 399 | struct timeval tv; |
| 400 | SCRIPT *sc; |
| 401 | EXF *ep; |
| 402 | recno_t lno; |
| 403 | size_t blen, len, tlen; |
| 404 | u_int value; |
| 405 | int nr, rval; |
| 406 | char *bp, *endp, *p, *t; |
| 407 | |
| 408 | /* Find out where the end of the file is. */ |
| 409 | ep = sp->ep; |
| 410 | if (file_lline(sp, ep, &lno)) |
| 411 | return (1); |
| 412 | |
| 413 | #define MINREAD 1024 |
| 414 | GET_SPACE_RET(sp, bp, blen, MINREAD); |
| 415 | endp = bp; |
| 416 | |
| 417 | /* Read the characters. */ |
| 418 | rval = 1; |
| 419 | sc = sp->script; |
| 420 | more: switch (nr = read(sc->sh_master, endp, MINREAD)) { |
| 421 | case 0: /* EOF; shell just exited. */ |
| 422 | sscr_end(sp); |
| 423 | F_CLR(sp, S_SCRIPT); |
| 424 | rval = 0; |
| 425 | goto ret; |
| 426 | case -1: /* Error or interrupt. */ |
| 427 | msgq(sp, M_SYSERR, "shell"); |
| 428 | goto ret; |
| 429 | default: |
| 430 | endp += nr; |
| 431 | break; |
| 432 | } |
| 433 | |
| 434 | /* Append the lines into the file. */ |
| 435 | for (p = t = bp; p < endp; ++p) { |
| 436 | value = term_key_val(sp, *p); |
| 437 | if (value == K_CR || value == K_NL) { |
| 438 | len = p - t; |
| 439 | if (file_aline(sp, ep, 1, lno++, t, len)) |
| 440 | goto ret; |
| 441 | t = p + 1; |
| 442 | } |
| 443 | } |
| 444 | if (p > t) { |
| 445 | len = p - t; |
| 446 | /* |
| 447 | * If the last thing from the shell isn't another prompt, wait |
| 448 | * up to 1/10 of a second for more stuff to show up, so that |
| 449 | * we don't break the output into two separate lines. Don't |
| 450 | * want to hang indefinitely because some program is hanging, |
| 451 | * confused the shell, or whatever. |
| 452 | */ |
| 453 | if (!sscr_matchprompt(sp, t, len, &tlen) || tlen != 0) { |
| 454 | tv.tv_sec = 0; |
| 455 | tv.tv_usec = 100000; |
| 456 | FD_SET(sc->sh_master, &sp->rdfd); |
| 457 | FD_CLR(STDIN_FILENO, &sp->rdfd); |
| 458 | if (select(sc->sh_master + 1, |
| 459 | &sp->rdfd, NULL, NULL, &tv) == 1) { |
| 460 | memmove(bp, t, len); |
| 461 | endp = bp + len; |
| 462 | goto more; |
| 463 | } |
| 464 | } |
| 465 | if (sscr_setprompt(sp, t, len)) |
| 466 | return (1); |
| 467 | if (file_aline(sp, ep, 1, lno++, t, len)) |
| 468 | goto ret; |
| 469 | } |
| 470 | |
| 471 | /* The cursor moves to EOF. */ |
| 472 | sp->lno = lno; |
| 473 | sp->cno = len ? len - 1 : 0; |
| 474 | rval = sp->s_refresh(sp, ep); |
| 475 | |
| 476 | ret: FREE_SPACE(sp, bp, blen); |
| 477 | return (rval); |
| 478 | } |
| 479 | |
| 480 | /* |
| 481 | * sscr_setprompt -- |
| 482 | * |
| 483 | * Set the prompt to the last line we got from the shell. |
| 484 | * |
| 485 | */ |
| 486 | static int |
| 487 | sscr_setprompt(sp, buf, len) |
| 488 | SCR *sp; |
| 489 | char* buf; |
| 490 | size_t len; |
| 491 | { |
| 492 | SCRIPT *sc; |
| 493 | |
| 494 | sc = sp->script; |
| 495 | if (sc->sh_prompt) |
| 496 | FREE(sc->sh_prompt, sc->sh_prompt_len); |
| 497 | MALLOC(sp, sc->sh_prompt, char *, len + 1); |
| 498 | if (sc->sh_prompt == NULL) { |
| 499 | sscr_end(sp); |
| 500 | return (1); |
| 501 | } |
| 502 | memmove(sc->sh_prompt, buf, len); |
| 503 | sc->sh_prompt_len = len; |
| 504 | sc->sh_prompt[len] = '\0'; |
| 505 | return (0); |
| 506 | } |
| 507 | |
| 508 | /* |
| 509 | * sscr_matchprompt -- |
| 510 | * Check to see if a line matches the prompt. Nul's indicate |
| 511 | * parts that can change, in both content and size. |
| 512 | */ |
| 513 | static int |
| 514 | sscr_matchprompt(sp, lp, line_len, lenp) |
| 515 | SCR *sp; |
| 516 | char *lp; |
| 517 | size_t line_len, *lenp; |
| 518 | { |
| 519 | SCRIPT *sc; |
| 520 | size_t prompt_len; |
| 521 | char *pp; |
| 522 | |
| 523 | sc = sp->script; |
| 524 | if (line_len < (prompt_len = sc->sh_prompt_len)) |
| 525 | return (0); |
| 526 | |
| 527 | for (pp = sc->sh_prompt; |
| 528 | prompt_len && line_len; --prompt_len, --line_len) { |
| 529 | if (*pp == '\0') { |
| 530 | for (; prompt_len && *pp == '\0'; --prompt_len, ++pp); |
| 531 | if (!prompt_len) |
| 532 | return (0); |
| 533 | for (; line_len && *lp != *pp; --line_len, ++lp); |
| 534 | if (!line_len) |
| 535 | return (0); |
| 536 | } |
| 537 | if (*pp++ != *lp++) |
| 538 | break; |
| 539 | } |
| 540 | |
| 541 | if (prompt_len) |
| 542 | return (0); |
| 543 | if (lenp != NULL) |
| 544 | *lenp = line_len; |
| 545 | return (1); |
| 546 | } |
| 547 | |
| 548 | /* |
| 549 | * sscr_end -- |
| 550 | * End the pipe to a shell. |
| 551 | */ |
| 552 | int |
| 553 | sscr_end(sp) |
| 554 | SCR *sp; |
| 555 | { |
| 556 | SCRIPT *sc; |
| 557 | int rval; |
| 558 | |
| 559 | if ((sc = sp->script) == NULL) |
| 560 | return (0); |
| 561 | |
| 562 | /* Turn off the script flag. */ |
| 563 | F_CLR(sp, S_SCRIPT); |
| 564 | |
| 565 | /* Close down the parent's file descriptors. */ |
| 566 | if (sc->sh_master != -1) |
| 567 | (void)close(sc->sh_master); |
| 568 | if (sc->sh_slave != -1) |
| 569 | (void)close(sc->sh_slave); |
| 570 | |
| 571 | /* This should have killed the child. */ |
| 572 | rval = proc_wait(sp, (long)sc->sh_pid, "script-shell", 0); |
| 573 | |
| 574 | /* Free memory. */ |
| 575 | FREE(sc->sh_prompt, sc->sh_prompt_len); |
| 576 | FREE(sc, sizeof(SCRIPT)); |
| 577 | sp->script = NULL; |
| 578 | |
| 579 | return (rval); |
| 580 | } |