| File: | src/usr.bin/mail/collect.c |
| Warning: | line 68, column 2 Value stored to 'lastlong' is never read |
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| 1 | /* $OpenBSD: collect.c,v 1.34 2014/01/17 18:42:30 okan Exp $ */ |
| 2 | /* $NetBSD: collect.c,v 1.9 1997/07/09 05:25:45 mikel Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (c) 1980, 1993 |
| 6 | * The Regents of the University of California. All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. Neither the name of the University nor the names of its contributors |
| 17 | * may be used to endorse or promote products derived from this software |
| 18 | * without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | * SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | * Mail -- a mail program |
| 35 | * |
| 36 | * Collect input from standard input, handling |
| 37 | * ~ escapes. |
| 38 | */ |
| 39 | |
| 40 | #include "rcv.h" |
| 41 | #include "extern.h" |
| 42 | |
| 43 | /* |
| 44 | * Read a message from standard output and return a read file to it |
| 45 | * or NULL on error. |
| 46 | */ |
| 47 | |
| 48 | /* |
| 49 | * The following hokiness with global variables is so that on |
| 50 | * receipt of an interrupt signal, the partial message can be salted |
| 51 | * away on dead.letter. |
| 52 | */ |
| 53 | static FILE *collf; /* File for saving away */ |
| 54 | static int hadintr; /* Have seen one SIGINT so far */ |
| 55 | |
| 56 | FILE * |
| 57 | collect(struct header *hp, int printheaders) |
| 58 | { |
| 59 | FILE *fbuf; |
| 60 | int lc, cc, fd, c, t, lastlong, rc, sig; |
| 61 | int escape, eofcount, longline; |
| 62 | char getsub; |
| 63 | char linebuf[LINESIZE1024], tempname[PATHSIZE1024], *cp; |
| 64 | |
| 65 | collf = NULL((void *)0); |
| 66 | eofcount = 0; |
| 67 | hadintr = 0; |
| 68 | lastlong = 0; |
Value stored to 'lastlong' is never read | |
| 69 | longline = 0; |
| 70 | if ((cp = value("escape")) != NULL((void *)0)) |
| 71 | escape = *cp; |
| 72 | else |
| 73 | escape = ESCAPE'~'; |
| 74 | noreset++; |
| 75 | |
| 76 | (void)snprintf(tempname, sizeof(tempname), |
| 77 | "%s/mail.RsXXXXXXXXXX", tmpdir); |
| 78 | if ((fd = mkstemp(tempname)) == -1 || |
| 79 | (collf = Fdopen(fd, "w+")) == NULL((void *)0)) { |
| 80 | warn("%s", tempname); |
| 81 | goto err; |
| 82 | } |
| 83 | (void)rm(tempname); |
| 84 | |
| 85 | /* |
| 86 | * If we are going to prompt for a subject, |
| 87 | * refrain from printing a newline after |
| 88 | * the headers (since some people mind). |
| 89 | */ |
| 90 | t = GTO1|GSUBJECT2|GCC4|GNL16; |
| 91 | getsub = 0; |
| 92 | if (hp->h_subject == NULL((void *)0) && value("interactive") != NULL((void *)0) && |
| 93 | (value("ask") != NULL((void *)0) || value("asksub") != NULL((void *)0))) |
| 94 | t &= ~GNL16, getsub++; |
| 95 | if (printheaders) { |
| 96 | puthead(hp, stdout(&__sF[1]), t); |
| 97 | fflush(stdout(&__sF[1])); |
| 98 | } |
| 99 | if (getsub && gethfromtty(hp, GSUBJECT2) == -1) |
| 100 | goto err; |
| 101 | |
| 102 | if (0) { |
| 103 | cont: |
| 104 | /* Come here for printing the after-suspend message. */ |
| 105 | if (isatty(0)) { |
| 106 | puts("(continue)"); |
| 107 | fflush(stdout(&__sF[1])); |
| 108 | } |
| 109 | } |
| 110 | for (;;) { |
| 111 | c = readline(stdin(&__sF[0]), linebuf, LINESIZE1024, &sig); |
| 112 | |
| 113 | /* Act on any signal caught during readline() ignoring 'c' */ |
| 114 | switch (sig) { |
| 115 | case 0: |
| 116 | break; |
| 117 | case SIGINT2: |
| 118 | if (collabort()) |
| 119 | goto err; |
| 120 | continue; |
| 121 | case SIGHUP1: |
| 122 | rewind(collf); |
| 123 | savedeadletter(collf); |
| 124 | /* |
| 125 | * Let's pretend nobody else wants to clean up, |
| 126 | * a true statement at this time. |
| 127 | */ |
| 128 | exit(1); |
| 129 | default: |
| 130 | /* Stopped due to job control */ |
| 131 | (void)kill(0, sig); |
| 132 | goto cont; |
| 133 | } |
| 134 | |
| 135 | /* No signal, check for error */ |
| 136 | if (c < 0) { |
| 137 | if (value("interactive") != NULL((void *)0) && |
| 138 | value("ignoreeof") != NULL((void *)0) && ++eofcount < 25) { |
| 139 | puts("Use \".\" to terminate letter"); |
| 140 | continue; |
| 141 | } |
| 142 | break; |
| 143 | } |
| 144 | lastlong = longline; |
| 145 | longline = (c == LINESIZE1024 - 1); |
| 146 | eofcount = 0; |
| 147 | hadintr = 0; |
| 148 | if (linebuf[0] == '.' && linebuf[1] == '\0' && |
| 149 | value("interactive") != NULL((void *)0) && !lastlong && |
| 150 | (value("dot") != NULL((void *)0) || value("ignoreeof") != NULL((void *)0))) |
| 151 | break; |
| 152 | if (linebuf[0] != escape || value("interactive") == NULL((void *)0) || |
| 153 | lastlong) { |
| 154 | if (putline(collf, linebuf, !longline) < 0) |
| 155 | goto err; |
| 156 | continue; |
| 157 | } |
| 158 | c = (unsigned char)linebuf[1]; |
| 159 | switch (c) { |
| 160 | default: |
| 161 | /* |
| 162 | * On double escape, just send the single one. |
| 163 | * Otherwise, it's an error. |
| 164 | */ |
| 165 | if (c == escape) { |
| 166 | if (putline(collf, &linebuf[1], !longline) < 0) |
| 167 | goto err; |
| 168 | else |
| 169 | break; |
| 170 | } |
| 171 | puts("Unknown tilde escape."); |
| 172 | break; |
| 173 | case '!': |
| 174 | /* |
| 175 | * Shell escape, send the balance of the |
| 176 | * line to sh -c. |
| 177 | */ |
| 178 | shell(&linebuf[2]); |
| 179 | break; |
| 180 | case ':': |
| 181 | case '_': |
| 182 | /* |
| 183 | * Escape to command mode, but be nice! |
| 184 | */ |
| 185 | execute(&linebuf[2], 1); |
| 186 | goto cont; |
| 187 | case '.': |
| 188 | /* |
| 189 | * Simulate end of file on input. |
| 190 | */ |
| 191 | goto out; |
| 192 | case 'q': |
| 193 | /* |
| 194 | * Force a quit of sending mail. |
| 195 | * Act like an interrupt happened. |
| 196 | */ |
| 197 | hadintr++; |
| 198 | collabort(); |
| 199 | fputs("Interrupt\n", stderr(&__sF[2])); |
| 200 | goto err; |
| 201 | case 'x': |
| 202 | /* |
| 203 | * Force a quit of sending mail. |
| 204 | * Do not save the message. |
| 205 | */ |
| 206 | goto err; |
| 207 | case 'h': |
| 208 | /* |
| 209 | * Grab a bunch of headers. |
| 210 | */ |
| 211 | grabh(hp, GTO1|GSUBJECT2|GCC4|GBCC8); |
| 212 | goto cont; |
| 213 | case 't': |
| 214 | /* |
| 215 | * Add to the To list. |
| 216 | */ |
| 217 | hp->h_to = cat(hp->h_to, extract(&linebuf[2], GTO1)); |
| 218 | break; |
| 219 | case 's': |
| 220 | /* |
| 221 | * Set the Subject list. |
| 222 | */ |
| 223 | cp = &linebuf[2]; |
| 224 | while (isspace((unsigned char)*cp)) |
| 225 | cp++; |
| 226 | hp->h_subject = savestr(cp); |
| 227 | break; |
| 228 | case 'c': |
| 229 | /* |
| 230 | * Add to the CC list. |
| 231 | */ |
| 232 | hp->h_cc = cat(hp->h_cc, extract(&linebuf[2], GCC4)); |
| 233 | break; |
| 234 | case 'b': |
| 235 | /* |
| 236 | * Add stuff to blind carbon copies list. |
| 237 | */ |
| 238 | hp->h_bcc = cat(hp->h_bcc, extract(&linebuf[2], GBCC8)); |
| 239 | break; |
| 240 | case 'd': |
| 241 | linebuf[2] = '\0'; |
| 242 | strlcat(linebuf, getdeadletter(), sizeof(linebuf)); |
| 243 | /* fall into . . . */ |
| 244 | case 'r': |
| 245 | case '<': |
| 246 | /* |
| 247 | * Invoke a file: |
| 248 | * Search for the file name, |
| 249 | * then open it and copy the contents to collf. |
| 250 | */ |
| 251 | cp = &linebuf[2]; |
| 252 | while (isspace((unsigned char)*cp)) |
| 253 | cp++; |
| 254 | if (*cp == '\0') { |
| 255 | puts("Interpolate what file?"); |
| 256 | break; |
| 257 | } |
| 258 | cp = expand(cp); |
| 259 | if (cp == NULL((void *)0)) |
| 260 | break; |
| 261 | if (isdir(cp)) { |
| 262 | printf("%s: Directory\n", cp); |
| 263 | break; |
| 264 | } |
| 265 | if ((fbuf = Fopen(cp, "r")) == NULL((void *)0)) { |
| 266 | warn("%s", cp); |
| 267 | break; |
| 268 | } |
| 269 | printf("\"%s\" ", cp); |
| 270 | fflush(stdout(&__sF[1])); |
| 271 | lc = 0; |
| 272 | cc = 0; |
| 273 | while ((rc = readline(fbuf, linebuf, LINESIZE1024, NULL((void *)0))) >= 0) { |
| 274 | if (rc != LINESIZE1024 - 1) |
| 275 | lc++; |
| 276 | if ((t = putline(collf, linebuf, |
| 277 | rc != LINESIZE1024-1)) < 0) { |
| 278 | (void)Fclose(fbuf); |
| 279 | goto err; |
| 280 | } |
| 281 | cc += t; |
| 282 | } |
| 283 | (void)Fclose(fbuf); |
| 284 | printf("%d/%d\n", lc, cc); |
| 285 | break; |
| 286 | case 'w': |
| 287 | /* |
| 288 | * Write the message on a file. |
| 289 | */ |
| 290 | cp = &linebuf[2]; |
| 291 | while (*cp == ' ' || *cp == '\t') |
| 292 | cp++; |
| 293 | if (*cp == '\0') { |
| 294 | fputs("Write what file!?\n", stderr(&__sF[2])); |
| 295 | break; |
| 296 | } |
| 297 | if ((cp = expand(cp)) == NULL((void *)0)) |
| 298 | break; |
| 299 | rewind(collf); |
| 300 | exwrite(cp, collf, 1); |
| 301 | break; |
| 302 | case 'm': |
| 303 | case 'M': |
| 304 | case 'f': |
| 305 | case 'F': |
| 306 | /* |
| 307 | * Interpolate the named messages, if we |
| 308 | * are in receiving mail mode. Does the |
| 309 | * standard list processing garbage. |
| 310 | * If ~f is given, we don't shift over. |
| 311 | */ |
| 312 | if (forward(linebuf + 2, collf, tempname, c) < 0) |
| 313 | goto err; |
| 314 | goto cont; |
| 315 | case '?': |
| 316 | if ((fbuf = Fopen(_PATH_TILDE"/usr/share/misc/mail.tildehelp", "r")) == NULL((void *)0)) { |
| 317 | warn(_PATH_TILDE"/usr/share/misc/mail.tildehelp"); |
| 318 | break; |
| 319 | } |
| 320 | while ((t = getc(fbuf)(!__isthreaded ? (--(fbuf)->_r < 0 ? __srget(fbuf) : (int )(*(fbuf)->_p++)) : (getc)(fbuf))) != EOF(-1)) |
| 321 | (void)putchar(t)(!__isthreaded ? __sputc(t, (&__sF[1])) : (putc)(t, (& __sF[1]))); |
| 322 | (void)Fclose(fbuf); |
| 323 | break; |
| 324 | case 'p': |
| 325 | /* |
| 326 | * Print out the current state of the |
| 327 | * message without altering anything. |
| 328 | */ |
| 329 | rewind(collf); |
| 330 | puts("-------\nMessage contains:"); |
| 331 | puthead(hp, stdout(&__sF[1]), GTO1|GSUBJECT2|GCC4|GBCC8|GNL16); |
| 332 | while ((t = getc(collf)(!__isthreaded ? (--(collf)->_r < 0 ? __srget(collf) : ( int)(*(collf)->_p++)) : (getc)(collf))) != EOF(-1)) |
| 333 | (void)putchar(t)(!__isthreaded ? __sputc(t, (&__sF[1])) : (putc)(t, (& __sF[1]))); |
| 334 | goto cont; |
| 335 | case '|': |
| 336 | /* |
| 337 | * Pipe message through command. |
| 338 | * Collect output as new message. |
| 339 | */ |
| 340 | rewind(collf); |
| 341 | mespipe(collf, &linebuf[2]); |
| 342 | goto cont; |
| 343 | case 'v': |
| 344 | case 'e': |
| 345 | /* |
| 346 | * Edit the current message. |
| 347 | * 'e' means to use EDITOR |
| 348 | * 'v' means to use VISUAL |
| 349 | */ |
| 350 | rewind(collf); |
| 351 | mesedit(collf, c); |
| 352 | goto cont; |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | if (value("interactive") != NULL((void *)0)) { |
| 357 | if (value("askcc") != NULL((void *)0) || value("askbcc") != NULL((void *)0)) { |
| 358 | if (value("askcc") != NULL((void *)0)) { |
| 359 | if (gethfromtty(hp, GCC4) == -1) |
| 360 | goto err; |
| 361 | } |
| 362 | if (value("askbcc") != NULL((void *)0)) { |
| 363 | if (gethfromtty(hp, GBCC8) == -1) |
| 364 | goto err; |
| 365 | } |
| 366 | } else { |
| 367 | puts("EOT"); |
| 368 | (void)fflush(stdout(&__sF[1])); |
| 369 | } |
| 370 | } |
| 371 | goto out; |
| 372 | err: |
| 373 | if (collf != NULL((void *)0)) { |
| 374 | (void)Fclose(collf); |
| 375 | collf = NULL((void *)0); |
| 376 | } |
| 377 | out: |
| 378 | if (collf != NULL((void *)0)) |
| 379 | rewind(collf); |
| 380 | noreset--; |
| 381 | return(collf); |
| 382 | } |
| 383 | |
| 384 | /* |
| 385 | * Write a file, ex-like if f set. |
| 386 | */ |
| 387 | int |
| 388 | exwrite(char *name, FILE *fp, int f) |
| 389 | { |
| 390 | FILE *of; |
| 391 | int c; |
| 392 | ssize_t cc, lc; |
| 393 | struct stat junk; |
| 394 | |
| 395 | if (f) { |
| 396 | printf("\"%s\" ", name); |
| 397 | fflush(stdout(&__sF[1])); |
| 398 | } |
| 399 | if (stat(name, &junk) >= 0 && S_ISREG(junk.st_mode)((junk.st_mode & 0170000) == 0100000)) { |
| 400 | if (!f) |
| 401 | fprintf(stderr(&__sF[2]), "%s: ", name); |
| 402 | fputs("File exists\n", stderr(&__sF[2])); |
| 403 | return(-1); |
| 404 | } |
| 405 | if ((of = Fopen(name, "w")) == NULL((void *)0)) { |
| 406 | warn(NULL((void *)0)); |
| 407 | return(-1); |
| 408 | } |
| 409 | lc = 0; |
| 410 | cc = 0; |
| 411 | while ((c = getc(fp)(!__isthreaded ? (--(fp)->_r < 0 ? __srget(fp) : (int)( *(fp)->_p++)) : (getc)(fp))) != EOF(-1)) { |
| 412 | cc++; |
| 413 | if (c == '\n') |
| 414 | lc++; |
| 415 | (void)putc(c, of)(!__isthreaded ? __sputc(c, of) : (putc)(c, of)); |
| 416 | if (ferror(of)(!__isthreaded ? (((of)->_flags & 0x0040) != 0) : (ferror )(of))) { |
| 417 | warn("%s", name); |
| 418 | (void)Fclose(of); |
| 419 | return(-1); |
| 420 | } |
| 421 | } |
| 422 | (void)Fclose(of); |
| 423 | printf("%lld/%lld\n", (long long)lc, (long long)cc); |
| 424 | fflush(stdout(&__sF[1])); |
| 425 | return(0); |
| 426 | } |
| 427 | |
| 428 | /* |
| 429 | * Edit the message being collected on fp. |
| 430 | * On return, make the edit file the new temp file. |
| 431 | */ |
| 432 | void |
| 433 | mesedit(FILE *fp, int c) |
| 434 | { |
| 435 | FILE *nf; |
| 436 | struct sigaction oact; |
| 437 | sigset_t oset; |
| 438 | |
| 439 | (void)ignoresig(SIGINT2, &oact, &oset); |
| 440 | nf = run_editor(fp, (off_t)-1, c, 0); |
| 441 | if (nf != NULL((void *)0)) { |
| 442 | fseek(nf, 0L, SEEK_END2); |
| 443 | collf = nf; |
| 444 | (void)Fclose(fp); |
| 445 | } |
| 446 | (void)sigprocmask(SIG_SETMASK3, &oset, NULL((void *)0)); |
| 447 | (void)sigaction(SIGINT2, &oact, NULL((void *)0)); |
| 448 | } |
| 449 | |
| 450 | /* |
| 451 | * Pipe the message through the command. |
| 452 | * Old message is on stdin of command; |
| 453 | * New message collected from stdout. |
| 454 | * Sh -c must return 0 to accept the new message. |
| 455 | */ |
| 456 | void |
| 457 | mespipe(FILE *fp, char *cmd) |
| 458 | { |
| 459 | FILE *nf; |
| 460 | int fd; |
| 461 | char *shell, tempname[PATHSIZE1024]; |
| 462 | struct sigaction oact; |
| 463 | sigset_t oset; |
| 464 | |
| 465 | (void)ignoresig(SIGINT2, &oact, &oset); |
| 466 | (void)snprintf(tempname, sizeof(tempname), |
| 467 | "%s/mail.ReXXXXXXXXXX", tmpdir); |
| 468 | if ((fd = mkstemp(tempname)) == -1 || |
| 469 | (nf = Fdopen(fd, "w+")) == NULL((void *)0)) { |
| 470 | warn("%s", tempname); |
| 471 | goto out; |
| 472 | } |
| 473 | (void)rm(tempname); |
| 474 | /* |
| 475 | * stdin = current message. |
| 476 | * stdout = new message. |
| 477 | */ |
| 478 | shell = value("SHELL"); |
| 479 | if (run_command(shell, |
| 480 | 0, fileno(fp)(!__isthreaded ? ((fp)->_file) : (fileno)(fp)), fileno(nf)(!__isthreaded ? ((nf)->_file) : (fileno)(nf)), "-c", cmd, NULL((void *)0)) < 0) { |
| 481 | (void)Fclose(nf); |
| 482 | goto out; |
| 483 | } |
| 484 | if (fsize(nf) == 0) { |
| 485 | fprintf(stderr(&__sF[2]), "No bytes from \"%s\" !?\n", cmd); |
| 486 | (void)Fclose(nf); |
| 487 | goto out; |
| 488 | } |
| 489 | /* |
| 490 | * Take new files. |
| 491 | */ |
| 492 | (void)fseek(nf, 0L, SEEK_END2); |
| 493 | collf = nf; |
| 494 | (void)Fclose(fp); |
| 495 | out: |
| 496 | (void)sigprocmask(SIG_SETMASK3, &oset, NULL((void *)0)); |
| 497 | (void)sigaction(SIGINT2, &oact, NULL((void *)0)); |
| 498 | } |
| 499 | |
| 500 | /* |
| 501 | * Interpolate the named messages into the current |
| 502 | * message, preceding each line with a tab. |
| 503 | * Return a count of the number of characters now in |
| 504 | * the message, or -1 if an error is encountered writing |
| 505 | * the message temporary. The flag argument is 'm' if we |
| 506 | * should shift over and 'f' if not. |
| 507 | */ |
| 508 | int |
| 509 | forward(char *ms, FILE *fp, char *fn, int f) |
| 510 | { |
| 511 | int *msgvec; |
| 512 | struct ignoretab *ig; |
| 513 | char *tabst; |
| 514 | |
| 515 | msgvec = (int *)salloc((msgCount+1) * sizeof(*msgvec)); |
| 516 | if (msgvec == NULL((void *)0)) |
| 517 | return(0); |
| 518 | if (getmsglist(ms, msgvec, 0) < 0) |
| 519 | return(0); |
| 520 | if (*msgvec == 0) { |
| 521 | *msgvec = first(0, MMNORM((1<<1)|(1<<2))); |
| 522 | if (*msgvec == 0) { |
| 523 | puts("No appropriate messages"); |
| 524 | return(0); |
| 525 | } |
| 526 | msgvec[1] = 0; |
| 527 | } |
| 528 | if (tolower(f) == 'f') |
| 529 | tabst = NULL((void *)0); |
| 530 | else if ((tabst = value("indentprefix")) == NULL((void *)0)) |
| 531 | tabst = "\t"; |
| 532 | ig = isupper(f) ? NULL((void *)0) : ignore; |
| 533 | fputs("Interpolating:", stdout(&__sF[1])); |
| 534 | for (; *msgvec != 0; msgvec++) { |
| 535 | struct message *mp = message + *msgvec - 1; |
| 536 | |
| 537 | touch(mp); |
| 538 | printf(" %d", *msgvec); |
| 539 | if (sendmessage(mp, fp, ig, tabst) < 0) { |
| 540 | warn("%s", fn); |
| 541 | return(-1); |
| 542 | } |
| 543 | } |
| 544 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); |
| 545 | return(0); |
| 546 | } |
| 547 | |
| 548 | /* |
| 549 | * User aborted during message composition. |
| 550 | * Save the partial message in ~/dead.letter. |
| 551 | */ |
| 552 | int |
| 553 | collabort(void) |
| 554 | { |
| 555 | /* |
| 556 | * the control flow is subtle, because we can be called from ~q. |
| 557 | */ |
| 558 | if (hadintr == 0 && isatty(0)) { |
| 559 | if (value("ignore") != NULL((void *)0)) { |
| 560 | puts("@"); |
| 561 | fflush(stdout(&__sF[1])); |
| 562 | clearerr(stdin)(!__isthreaded ? ((void)(((&__sF[0]))->_flags &= ~ (0x0040|0x0020))) : (clearerr)((&__sF[0]))); |
| 563 | } else { |
| 564 | fflush(stdout(&__sF[1])); |
| 565 | fputs("\n(Interrupt -- one more to kill letter)\n", |
| 566 | stderr(&__sF[2])); |
| 567 | hadintr++; |
| 568 | } |
| 569 | return(0); |
| 570 | } |
| 571 | fflush(stdout(&__sF[1])); |
| 572 | rewind(collf); |
| 573 | if (value("nosave") == NULL((void *)0)) |
| 574 | savedeadletter(collf); |
| 575 | return(1); |
| 576 | } |
| 577 | |
| 578 | void |
| 579 | savedeadletter(FILE *fp) |
| 580 | { |
| 581 | FILE *dbuf; |
| 582 | int c; |
| 583 | char *cp; |
| 584 | |
| 585 | if (fsize(fp) == 0) |
| 586 | return; |
| 587 | cp = getdeadletter(); |
| 588 | c = umask(077); |
| 589 | dbuf = Fopen(cp, "a"); |
| 590 | (void)umask(c); |
| 591 | if (dbuf == NULL((void *)0)) |
| 592 | return; |
| 593 | while ((c = getc(fp)(!__isthreaded ? (--(fp)->_r < 0 ? __srget(fp) : (int)( *(fp)->_p++)) : (getc)(fp))) != EOF(-1)) |
| 594 | (void)putc(c, dbuf)(!__isthreaded ? __sputc(c, dbuf) : (putc)(c, dbuf)); |
| 595 | (void)Fclose(dbuf); |
| 596 | rewind(fp); |
| 597 | } |
| 598 | |
| 599 | int |
| 600 | gethfromtty(struct header *hp, int gflags) |
| 601 | { |
| 602 | |
| 603 | hadintr = 0; |
| 604 | while (grabh(hp, gflags) != 0) { |
| 605 | if (collabort()) |
| 606 | return(-1); |
| 607 | } |
| 608 | return(0); |
| 609 | } |