| 1 | /* |
| 2 | * Copyright (c) 1980 Regents of the University of California. |
| 3 | * 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[] = "@(#)touch.c 5.7 (Berkeley) 2/26/91"; |
| 36 | #endif /* not lint */ |
| 37 | |
| 38 | #include <sys/types.h> |
| 39 | #include <sys/stat.h> |
| 40 | #include <signal.h> |
| 41 | #include <unistd.h> |
| 42 | #include <stdio.h> |
| 43 | #include <ctype.h> |
| 44 | #include <stdlib.h> |
| 45 | #include <string.h> |
| 46 | #include "error.h" |
| 47 | #include "pathnames.h" |
| 48 | |
| 49 | /* |
| 50 | * Iterate through errors |
| 51 | */ |
| 52 | #define EITERATE(p, fv, i) for (p = fv[i]; p < fv[i+1]; p++) |
| 53 | #define ECITERATE(ei, p, lb) for (ei = lb; p = errors[ei],ei < nerrors; ei++) |
| 54 | |
| 55 | #define FILEITERATE(fi, lb) for (fi = lb; fi <= nfiles; fi++) |
| 56 | int touchstatus = Q_YES; |
| 57 | |
| 58 | findfiles(nerrors, errors, r_nfiles, r_files) |
| 59 | int nerrors; |
| 60 | Eptr *errors; |
| 61 | int *r_nfiles; |
| 62 | Eptr ***r_files; |
| 63 | { |
| 64 | int nfiles; |
| 65 | Eptr **files; |
| 66 | |
| 67 | char *name; |
| 68 | reg int ei; |
| 69 | int fi; |
| 70 | reg Eptr errorp; |
| 71 | |
| 72 | nfiles = countfiles(errors); |
| 73 | |
| 74 | files = (Eptr**)Calloc(nfiles + 3, sizeof (Eptr*)); |
| 75 | touchedfiles = (boolean *)Calloc(nfiles+3, sizeof(boolean)); |
| 76 | /* |
| 77 | * Now, partition off the error messages |
| 78 | * into those that are synchronization, discarded or |
| 79 | * not specific to any file, and those that were |
| 80 | * nulled or true errors. |
| 81 | */ |
| 82 | files[0] = &errors[0]; |
| 83 | ECITERATE(ei, errorp, 0){ |
| 84 | if ( ! (NOTSORTABLE(errorp->error_e_class))) |
| 85 | break; |
| 86 | } |
| 87 | /* |
| 88 | * Now, and partition off all error messages |
| 89 | * for a given file. |
| 90 | */ |
| 91 | files[1] = &errors[ei]; |
| 92 | touchedfiles[0] = touchedfiles[1] = FALSE; |
| 93 | name = "\1"; |
| 94 | fi = 1; |
| 95 | ECITERATE(ei, errorp, ei){ |
| 96 | if ( (errorp->error_e_class == C_NULLED) |
| 97 | || (errorp->error_e_class == C_TRUE) ){ |
| 98 | if (strcmp(errorp->error_text[0], name) != 0){ |
| 99 | name = errorp->error_text[0]; |
| 100 | touchedfiles[fi] = FALSE; |
| 101 | files[fi] = &errors[ei]; |
| 102 | fi++; |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | files[fi] = &errors[nerrors]; |
| 107 | *r_nfiles = nfiles; |
| 108 | *r_files = files; |
| 109 | } |
| 110 | |
| 111 | int countfiles(errors) |
| 112 | Eptr *errors; |
| 113 | { |
| 114 | char *name; |
| 115 | int ei; |
| 116 | reg Eptr errorp; |
| 117 | |
| 118 | int nfiles; |
| 119 | nfiles = 0; |
| 120 | name = "\1"; |
| 121 | ECITERATE(ei, errorp, 0){ |
| 122 | if (SORTABLE(errorp->error_e_class)){ |
| 123 | if (strcmp(errorp->error_text[0],name) != 0){ |
| 124 | nfiles++; |
| 125 | name = errorp->error_text[0]; |
| 126 | } |
| 127 | } |
| 128 | } |
| 129 | return(nfiles); |
| 130 | } |
| 131 | char *class_table[] = { |
| 132 | /*C_UNKNOWN 0 */ "Unknown", |
| 133 | /*C_IGNORE 1 */ "ignore", |
| 134 | /*C_SYNC 2 */ "synchronization", |
| 135 | /*C_DISCARD 3 */ "discarded", |
| 136 | /*C_NONSPEC 4 */ "non specific", |
| 137 | /*C_THISFILE 5 */ "specific to this file", |
| 138 | /*C_NULLED 6 */ "nulled", |
| 139 | /*C_TRUE 7 */ "true", |
| 140 | /*C_DUPL 8 */ "duplicated" |
| 141 | }; |
| 142 | |
| 143 | int class_count[C_LAST - C_FIRST] = {0}; |
| 144 | |
| 145 | filenames(nfiles, files) |
| 146 | int nfiles; |
| 147 | Eptr **files; |
| 148 | { |
| 149 | reg int fi; |
| 150 | char *sep = " "; |
| 151 | extern char *class_table[]; |
| 152 | int someerrors; |
| 153 | |
| 154 | /* |
| 155 | * first, simply dump out errors that |
| 156 | * don't pertain to any file |
| 157 | */ |
| 158 | someerrors = nopertain(files); |
| 159 | |
| 160 | if (nfiles){ |
| 161 | someerrors++; |
| 162 | fprintf(stdout, terse |
| 163 | ? "%d file%s" |
| 164 | : "%d file%s contain%s errors", |
| 165 | nfiles, plural(nfiles), verbform(nfiles)); |
| 166 | if (!terse){ |
| 167 | FILEITERATE(fi, 1){ |
| 168 | fprintf(stdout, "%s\"%s\" (%d)", |
| 169 | sep, (*files[fi])->error_text[0], |
| 170 | files[fi+1] - files[fi]); |
| 171 | sep = ", "; |
| 172 | } |
| 173 | } |
| 174 | fprintf(stdout, "\n"); |
| 175 | } |
| 176 | if (!someerrors) |
| 177 | fprintf(stdout, "No errors.\n"); |
| 178 | } |
| 179 | |
| 180 | /* |
| 181 | * Dump out errors that don't pertain to any file |
| 182 | */ |
| 183 | int nopertain(files) |
| 184 | Eptr **files; |
| 185 | { |
| 186 | int type; |
| 187 | int someerrors = 0; |
| 188 | reg Eptr *erpp; |
| 189 | reg Eptr errorp; |
| 190 | |
| 191 | if (files[1] - files[0] <= 0) |
| 192 | return(0); |
| 193 | for(type = C_UNKNOWN; NOTSORTABLE(type); type++){ |
| 194 | if (class_count[type] <= 0) |
| 195 | continue; |
| 196 | if (type > C_SYNC) |
| 197 | someerrors++; |
| 198 | if (terse){ |
| 199 | fprintf(stdout, "\t%d %s errors NOT PRINTED\n", |
| 200 | class_count[type], class_table[type]); |
| 201 | } else { |
| 202 | fprintf(stdout, "\n\t%d %s errors follow\n", |
| 203 | class_count[type], class_table[type]); |
| 204 | EITERATE(erpp, files, 0){ |
| 205 | errorp = *erpp; |
| 206 | if (errorp->error_e_class == type){ |
| 207 | errorprint(stdout, errorp, TRUE); |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | } |
| 212 | return(someerrors); |
| 213 | } |
| 214 | |
| 215 | extern boolean notouch; |
| 216 | |
| 217 | boolean touchfiles(nfiles, files, r_edargc, r_edargv) |
| 218 | int nfiles; |
| 219 | Eptr **files; |
| 220 | int *r_edargc; |
| 221 | char ***r_edargv; |
| 222 | { |
| 223 | char *name; |
| 224 | reg Eptr errorp; |
| 225 | reg int fi; |
| 226 | reg Eptr *erpp; |
| 227 | int ntrueerrors; |
| 228 | boolean scribbled; |
| 229 | int n_pissed_on; /* # of file touched*/ |
| 230 | int spread; |
| 231 | |
| 232 | FILEITERATE(fi, 1){ |
| 233 | name = (*files[fi])->error_text[0]; |
| 234 | spread = files[fi+1] - files[fi]; |
| 235 | fprintf(stdout, terse |
| 236 | ? "\"%s\" has %d error%s, " |
| 237 | : "\nFile \"%s\" has %d error%s.\n" |
| 238 | , name ,spread ,plural(spread)); |
| 239 | /* |
| 240 | * First, iterate through all error messages in this file |
| 241 | * to see how many of the error messages really will |
| 242 | * get inserted into the file. |
| 243 | */ |
| 244 | ntrueerrors = 0; |
| 245 | EITERATE(erpp, files, fi){ |
| 246 | errorp = *erpp; |
| 247 | if (errorp->error_e_class == C_TRUE) |
| 248 | ntrueerrors++; |
| 249 | } |
| 250 | fprintf(stdout, terse |
| 251 | ? "insert %d\n" |
| 252 | : "\t%d of these errors can be inserted into the file.\n", |
| 253 | ntrueerrors); |
| 254 | |
| 255 | hackfile(name, files, fi, ntrueerrors); |
| 256 | } |
| 257 | scribbled = FALSE; |
| 258 | n_pissed_on = 0; |
| 259 | FILEITERATE(fi, 1){ |
| 260 | scribbled |= touchedfiles[fi]; |
| 261 | n_pissed_on++; |
| 262 | } |
| 263 | if (scribbled){ |
| 264 | /* |
| 265 | * Construct an execv argument |
| 266 | */ |
| 267 | execvarg(n_pissed_on, r_edargc, r_edargv); |
| 268 | return(TRUE); |
| 269 | } else { |
| 270 | if (!terse) |
| 271 | fprintf(stdout, "You didn't touch any files.\n"); |
| 272 | return(FALSE); |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | hackfile(name, files, ix, nerrors) |
| 277 | char *name; |
| 278 | Eptr **files; |
| 279 | int ix; |
| 280 | { |
| 281 | boolean previewed; |
| 282 | int errordest; /* where errors go*/ |
| 283 | |
| 284 | if (!oktotouch(name)) { |
| 285 | previewed = FALSE; |
| 286 | errordest = TOSTDOUT; |
| 287 | } else { |
| 288 | previewed = preview(name, nerrors, files, ix); |
| 289 | errordest = settotouch(name); |
| 290 | } |
| 291 | |
| 292 | if (errordest != TOSTDOUT) |
| 293 | touchedfiles[ix] = TRUE; |
| 294 | |
| 295 | if (previewed && (errordest == TOSTDOUT)) |
| 296 | return; |
| 297 | |
| 298 | diverterrors(name, errordest, files, ix, previewed, nerrors); |
| 299 | |
| 300 | if (errordest == TOTHEFILE){ |
| 301 | /* |
| 302 | * overwrite the original file |
| 303 | */ |
| 304 | writetouched(1); |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | boolean preview(name, nerrors, files, ix) |
| 309 | char *name; |
| 310 | int nerrors; |
| 311 | Eptr **files; |
| 312 | int ix; |
| 313 | { |
| 314 | int back; |
| 315 | reg Eptr *erpp; |
| 316 | |
| 317 | if (nerrors <= 0) |
| 318 | return(FALSE); |
| 319 | back = FALSE; |
| 320 | if(query){ |
| 321 | switch(inquire(terse |
| 322 | ? "Preview? " |
| 323 | : "Do you want to preview the errors first? ")){ |
| 324 | case Q_YES: |
| 325 | case Q_yes: |
| 326 | back = TRUE; |
| 327 | EITERATE(erpp, files, ix){ |
| 328 | errorprint(stdout, *erpp, TRUE); |
| 329 | } |
| 330 | if (!terse) |
| 331 | fprintf(stdout, "\n"); |
| 332 | default: |
| 333 | break; |
| 334 | } |
| 335 | } |
| 336 | return(back); |
| 337 | } |
| 338 | |
| 339 | int settotouch(name) |
| 340 | char *name; |
| 341 | { |
| 342 | int dest = TOSTDOUT; |
| 343 | |
| 344 | if (query){ |
| 345 | switch(touchstatus = inquire(terse |
| 346 | ? "Touch? " |
| 347 | : "Do you want to touch file \"%s\"? ", |
| 348 | name)){ |
| 349 | case Q_NO: |
| 350 | case Q_no: |
| 351 | return(dest); |
| 352 | default: |
| 353 | break; |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | switch(probethisfile(name)){ |
| 358 | case F_NOTREAD: |
| 359 | dest = TOSTDOUT; |
| 360 | fprintf(stdout, terse |
| 361 | ? "\"%s\" unreadable\n" |
| 362 | : "File \"%s\" is unreadable\n", |
| 363 | name); |
| 364 | break; |
| 365 | case F_NOTWRITE: |
| 366 | dest = TOSTDOUT; |
| 367 | fprintf(stdout, terse |
| 368 | ? "\"%s\" unwritable\n" |
| 369 | : "File \"%s\" is unwritable\n", |
| 370 | name); |
| 371 | break; |
| 372 | case F_NOTEXIST: |
| 373 | dest = TOSTDOUT; |
| 374 | fprintf(stdout, terse |
| 375 | ? "\"%s\" not found\n" |
| 376 | : "Can't find file \"%s\" to insert error messages into.\n", |
| 377 | name); |
| 378 | break; |
| 379 | default: |
| 380 | dest = edit(name) ? TOSTDOUT : TOTHEFILE; |
| 381 | break; |
| 382 | } |
| 383 | return(dest); |
| 384 | } |
| 385 | |
| 386 | diverterrors(name, dest, files, ix, previewed, nterrors) |
| 387 | char *name; |
| 388 | int dest; |
| 389 | Eptr **files; |
| 390 | int ix; |
| 391 | boolean previewed; |
| 392 | int nterrors; |
| 393 | { |
| 394 | int nerrors; |
| 395 | reg Eptr *erpp; |
| 396 | reg Eptr errorp; |
| 397 | |
| 398 | nerrors = files[ix+1] - files[ix]; |
| 399 | |
| 400 | if ( (nerrors != nterrors) |
| 401 | && (!previewed) ){ |
| 402 | fprintf(stdout, terse |
| 403 | ? "Uninserted errors\n" |
| 404 | : ">>Uninserted errors for file \"%s\" follow.\n", |
| 405 | name); |
| 406 | } |
| 407 | |
| 408 | EITERATE(erpp, files, ix){ |
| 409 | errorp = *erpp; |
| 410 | if (errorp->error_e_class != C_TRUE){ |
| 411 | if (previewed || touchstatus == Q_NO) |
| 412 | continue; |
| 413 | errorprint(stdout, errorp, TRUE); |
| 414 | continue; |
| 415 | } |
| 416 | switch (dest){ |
| 417 | case TOSTDOUT: |
| 418 | if (previewed || touchstatus == Q_NO) |
| 419 | continue; |
| 420 | errorprint(stdout,errorp, TRUE); |
| 421 | break; |
| 422 | case TOTHEFILE: |
| 423 | insert(errorp->error_line); |
| 424 | text(errorp, FALSE); |
| 425 | break; |
| 426 | } |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | int oktotouch(filename) |
| 431 | char *filename; |
| 432 | { |
| 433 | extern char *suffixlist; |
| 434 | reg char *src; |
| 435 | reg char *pat; |
| 436 | char *osrc; |
| 437 | |
| 438 | pat = suffixlist; |
| 439 | if (pat == 0) |
| 440 | return(0); |
| 441 | if (*pat == '*') |
| 442 | return(1); |
| 443 | while (*pat++ != '.') |
| 444 | continue; |
| 445 | --pat; /* point to the period */ |
| 446 | |
| 447 | for (src = &filename[strlen(filename)], --src; |
| 448 | (src > filename) && (*src != '.'); --src) |
| 449 | continue; |
| 450 | if (*src != '.') |
| 451 | return(0); |
| 452 | |
| 453 | for (src++, pat++, osrc = src; *src && *pat; src = osrc, pat++){ |
| 454 | for (; *src /* not at end of the source */ |
| 455 | && *pat /* not off end of pattern */ |
| 456 | && *pat != '.' /* not off end of sub pattern */ |
| 457 | && *pat != '*' /* not wild card */ |
| 458 | && *src == *pat; /* and equal... */ |
| 459 | src++, pat++) |
| 460 | continue; |
| 461 | if (*src == 0 && (*pat == 0 || *pat == '.' || *pat == '*')) |
| 462 | return(1); |
| 463 | if (*src != 0 && *pat == '*') |
| 464 | return(1); |
| 465 | while (*pat && *pat != '.') |
| 466 | pat++; |
| 467 | if (! *pat) |
| 468 | return(0); |
| 469 | } |
| 470 | return(0); |
| 471 | } |
| 472 | /* |
| 473 | * Construct an execv argument |
| 474 | * We need 1 argument for the editor's name |
| 475 | * We need 1 argument for the initial search string |
| 476 | * We need n_pissed_on arguments for the file names |
| 477 | * We need 1 argument that is a null for execv. |
| 478 | * The caller fills in the editor's name. |
| 479 | * We fill in the initial search string. |
| 480 | * We fill in the arguments, and the null. |
| 481 | */ |
| 482 | execvarg(n_pissed_on, r_argc, r_argv) |
| 483 | int n_pissed_on; |
| 484 | int *r_argc; |
| 485 | char ***r_argv; |
| 486 | { |
| 487 | Eptr p; |
| 488 | char *sep; |
| 489 | int fi; |
| 490 | |
| 491 | (*r_argv) = (char **)Calloc(n_pissed_on + 3, sizeof(char *)); |
| 492 | (*r_argc) = n_pissed_on + 2; |
| 493 | (*r_argv)[1] = "+1;/###/"; |
| 494 | n_pissed_on = 2; |
| 495 | if (!terse){ |
| 496 | fprintf(stdout, "You touched file(s):"); |
| 497 | sep = " "; |
| 498 | } |
| 499 | FILEITERATE(fi, 1){ |
| 500 | if (!touchedfiles[fi]) |
| 501 | continue; |
| 502 | p = *(files[fi]); |
| 503 | if (!terse){ |
| 504 | fprintf(stdout,"%s\"%s\"", sep, p->error_text[0]); |
| 505 | sep = ", "; |
| 506 | } |
| 507 | (*r_argv)[n_pissed_on++] = p->error_text[0]; |
| 508 | } |
| 509 | if (!terse) |
| 510 | fprintf(stdout, "\n"); |
| 511 | (*r_argv)[n_pissed_on] = 0; |
| 512 | } |
| 513 | |
| 514 | FILE *o_touchedfile; /* the old file */ |
| 515 | FILE *n_touchedfile; /* the new file */ |
| 516 | char *o_name; |
| 517 | char n_name[64]; |
| 518 | char *canon_name = _PATH_TMP; |
| 519 | int o_lineno; |
| 520 | int n_lineno; |
| 521 | boolean tempfileopen = FALSE; |
| 522 | /* |
| 523 | * open the file; guaranteed to be both readable and writable |
| 524 | * Well, if it isn't, then return TRUE if something failed |
| 525 | */ |
| 526 | boolean edit(name) |
| 527 | char *name; |
| 528 | { |
| 529 | o_name = name; |
| 530 | if ( (o_touchedfile = fopen(name, "r")) == NULL){ |
| 531 | fprintf(stderr, "%s: Can't open file \"%s\" to touch (read).\n", |
| 532 | processname, name); |
| 533 | return(TRUE); |
| 534 | } |
| 535 | (void)strcpy(n_name, canon_name); |
| 536 | (void)mktemp(n_name); |
| 537 | if ( (n_touchedfile = fopen(n_name, "w")) == NULL){ |
| 538 | fprintf(stderr,"%s: Can't open file \"%s\" to touch (write).\n", |
| 539 | processname, name); |
| 540 | return(TRUE); |
| 541 | } |
| 542 | tempfileopen = TRUE; |
| 543 | n_lineno = 0; |
| 544 | o_lineno = 0; |
| 545 | return(FALSE); |
| 546 | } |
| 547 | /* |
| 548 | * Position to the line (before, after) the line given by place |
| 549 | */ |
| 550 | char edbuf[BUFSIZ]; |
| 551 | insert(place) |
| 552 | int place; |
| 553 | { |
| 554 | --place; /* always insert messages before the offending line*/ |
| 555 | for(; o_lineno < place; o_lineno++, n_lineno++){ |
| 556 | if(fgets(edbuf, BUFSIZ, o_touchedfile) == NULL) |
| 557 | return; |
| 558 | fputs(edbuf, n_touchedfile); |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | text(p, use_all) |
| 563 | reg Eptr p; |
| 564 | boolean use_all; |
| 565 | { |
| 566 | int offset = use_all ? 0 : 2; |
| 567 | |
| 568 | fputs(lang_table[p->error_language].lang_incomment, n_touchedfile); |
| 569 | fprintf(n_touchedfile, "%d [%s] ", |
| 570 | p->error_line, |
| 571 | lang_table[p->error_language].lang_name); |
| 572 | wordvprint(n_touchedfile, p->error_lgtext-offset, p->error_text+offset); |
| 573 | fputs(lang_table[p->error_language].lang_outcomment,n_touchedfile); |
| 574 | n_lineno++; |
| 575 | } |
| 576 | |
| 577 | /* |
| 578 | * write the touched file to its temporary copy, |
| 579 | * then bring the temporary in over the local file |
| 580 | */ |
| 581 | writetouched(overwrite) |
| 582 | int overwrite; |
| 583 | { |
| 584 | reg int nread; |
| 585 | reg FILE *localfile; |
| 586 | reg FILE *tmpfile; |
| 587 | int botch; |
| 588 | int oktorm; |
| 589 | |
| 590 | botch = 0; |
| 591 | oktorm = 1; |
| 592 | while((nread = fread(edbuf, 1, sizeof(edbuf), o_touchedfile)) != NULL){ |
| 593 | if (nread != fwrite(edbuf, 1, nread, n_touchedfile)){ |
| 594 | /* |
| 595 | * Catastrophe in temporary area: file system full? |
| 596 | */ |
| 597 | botch = 1; |
| 598 | fprintf(stderr, |
| 599 | "%s: write failure: No errors inserted in \"%s\"\n", |
| 600 | processname, o_name); |
| 601 | } |
| 602 | } |
| 603 | fclose(n_touchedfile); |
| 604 | fclose(o_touchedfile); |
| 605 | /* |
| 606 | * Now, copy the temp file back over the original |
| 607 | * file, thus preserving links, etc |
| 608 | */ |
| 609 | if (botch == 0 && overwrite){ |
| 610 | botch = 0; |
| 611 | localfile = NULL; |
| 612 | tmpfile = NULL; |
| 613 | if ((localfile = fopen(o_name, "w")) == NULL){ |
| 614 | fprintf(stderr, |
| 615 | "%s: Can't open file \"%s\" to overwrite.\n", |
| 616 | processname, o_name); |
| 617 | botch++; |
| 618 | } |
| 619 | if ((tmpfile = fopen(n_name, "r")) == NULL){ |
| 620 | fprintf(stderr, "%s: Can't open file \"%s\" to read.\n", |
| 621 | processname, n_name); |
| 622 | botch++; |
| 623 | } |
| 624 | if (!botch) |
| 625 | oktorm = mustoverwrite(localfile, tmpfile); |
| 626 | if (localfile != NULL) |
| 627 | fclose(localfile); |
| 628 | if (tmpfile != NULL) |
| 629 | fclose(tmpfile); |
| 630 | } |
| 631 | if (oktorm == 0){ |
| 632 | fprintf(stderr, "%s: Catastrophe: A copy of \"%s\": was saved in \"%s\"\n", |
| 633 | processname, o_name, n_name); |
| 634 | exit(1); |
| 635 | } |
| 636 | /* |
| 637 | * Kiss the temp file good bye |
| 638 | */ |
| 639 | unlink(n_name); |
| 640 | tempfileopen = FALSE; |
| 641 | return(TRUE); |
| 642 | } |
| 643 | /* |
| 644 | * return 1 if the tmpfile can be removed after writing it out |
| 645 | */ |
| 646 | int mustoverwrite(preciousfile, tmpfile) |
| 647 | FILE *preciousfile; |
| 648 | FILE *tmpfile; |
| 649 | { |
| 650 | int nread; |
| 651 | |
| 652 | while((nread = fread(edbuf, 1, sizeof(edbuf), tmpfile)) != NULL){ |
| 653 | if (mustwrite(edbuf, nread, preciousfile) == 0) |
| 654 | return(0); |
| 655 | } |
| 656 | return(1); |
| 657 | } |
| 658 | /* |
| 659 | * return 0 on catastrophe |
| 660 | */ |
| 661 | mustwrite(base, n, preciousfile) |
| 662 | char *base; |
| 663 | int n; |
| 664 | FILE *preciousfile; |
| 665 | { |
| 666 | int nwrote; |
| 667 | |
| 668 | if (n <= 0) |
| 669 | return(1); |
| 670 | nwrote = fwrite(base, 1, n, preciousfile); |
| 671 | if (nwrote == n) |
| 672 | return(1); |
| 673 | perror(processname); |
| 674 | switch(inquire(terse |
| 675 | ? "Botch overwriting: retry? " |
| 676 | : "Botch overwriting the source file: retry? ")){ |
| 677 | case Q_YES: |
| 678 | case Q_yes: |
| 679 | mustwrite(base + nwrote, n - nwrote, preciousfile); |
| 680 | return(1); |
| 681 | case Q_NO: |
| 682 | case Q_no: |
| 683 | switch(inquire("Are you sure? ")){ |
| 684 | case Q_YES: |
| 685 | case Q_yes: |
| 686 | return(0); |
| 687 | case Q_NO: |
| 688 | case Q_no: |
| 689 | mustwrite(base + nwrote, n - nwrote, preciousfile); |
| 690 | return(1); |
| 691 | } |
| 692 | default: |
| 693 | return(0); |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | void |
| 698 | onintr() |
| 699 | { |
| 700 | switch(inquire(terse |
| 701 | ? "\nContinue? " |
| 702 | : "\nInterrupt: Do you want to continue? ")){ |
| 703 | case Q_YES: |
| 704 | case Q_yes: |
| 705 | signal(SIGINT, onintr); |
| 706 | return; |
| 707 | default: |
| 708 | if (tempfileopen){ |
| 709 | /* |
| 710 | * Don't overwrite the original file! |
| 711 | */ |
| 712 | writetouched(0); |
| 713 | } |
| 714 | exit(1); |
| 715 | } |
| 716 | /*NOTREACHED*/ |
| 717 | } |
| 718 | |
| 719 | errorprint(place, errorp, print_all) |
| 720 | FILE *place; |
| 721 | Eptr errorp; |
| 722 | boolean print_all; |
| 723 | { |
| 724 | int offset = print_all ? 0 : 2; |
| 725 | |
| 726 | if (errorp->error_e_class == C_IGNORE) |
| 727 | return; |
| 728 | fprintf(place, "[%s] ", lang_table[errorp->error_language].lang_name); |
| 729 | wordvprint(place,errorp->error_lgtext-offset,errorp->error_text+offset); |
| 730 | putc('\n', place); |
| 731 | } |
| 732 | |
| 733 | int inquire(fmt, a1, a2) |
| 734 | char *fmt; |
| 735 | /*VARARGS1*/ |
| 736 | { |
| 737 | char buffer[128]; |
| 738 | |
| 739 | if (queryfile == NULL) |
| 740 | return(0); |
| 741 | for(;;){ |
| 742 | do{ |
| 743 | fflush(stdout); |
| 744 | fprintf(stderr, fmt, a1, a2); |
| 745 | fflush(stderr); |
| 746 | } while (fgets(buffer, 127, queryfile) == NULL); |
| 747 | switch(buffer[0]){ |
| 748 | case 'Y': return(Q_YES); |
| 749 | case 'y': return(Q_yes); |
| 750 | case 'N': return(Q_NO); |
| 751 | case 'n': return(Q_no); |
| 752 | default: fprintf(stderr, "Yes or No only!\n"); |
| 753 | } |
| 754 | } |
| 755 | } |
| 756 | |
| 757 | int probethisfile(name) |
| 758 | char *name; |
| 759 | { |
| 760 | struct stat statbuf; |
| 761 | if (stat(name, &statbuf) < 0) |
| 762 | return(F_NOTEXIST); |
| 763 | if((statbuf.st_mode & S_IREAD) == 0) |
| 764 | return(F_NOTREAD); |
| 765 | if((statbuf.st_mode & S_IWRITE) == 0) |
| 766 | return(F_NOTWRITE); |
| 767 | return(F_TOUCHIT); |
| 768 | } |