| 1 | static char *sccsid = "@(#)touch.c 1.4 (Berkeley) %G%"; |
| 2 | #include <stdio.h> |
| 3 | #include <ctype.h> |
| 4 | #include <sys/types.h> |
| 5 | #include <sys/stat.h> |
| 6 | #include <signal.h> |
| 7 | #include "error.h" |
| 8 | |
| 9 | /* |
| 10 | * Iterate through errors |
| 11 | */ |
| 12 | #define EITERATE(p, fv, i) for (p = fv[i]; p < fv[i+1]; p++) |
| 13 | #define ECITERATE(ei, p, lb) for (ei = lb; p = errors[ei],ei < nerrors; ei++) |
| 14 | |
| 15 | #define FILEITERATE(fi, lb) for (fi = lb; fi <= nfiles; fi++) |
| 16 | int touchstatus = Q_YES; |
| 17 | |
| 18 | findfiles(nerrors, errors, r_nfiles, r_files) |
| 19 | int nerrors; |
| 20 | Eptr *errors; |
| 21 | int *r_nfiles; |
| 22 | Eptr ***r_files; |
| 23 | { |
| 24 | int nfiles; |
| 25 | Eptr **files; |
| 26 | |
| 27 | char *name; |
| 28 | reg int ei; |
| 29 | int fi; |
| 30 | reg Eptr errorp; |
| 31 | |
| 32 | nfiles = countfiles(errors); |
| 33 | |
| 34 | files = (Eptr**)Calloc(nfiles + 3, sizeof (Eptr*)); |
| 35 | touchedfiles = (boolean *)Calloc(nfiles+3, sizeof(boolean)); |
| 36 | /* |
| 37 | * Now, partition off the error messages |
| 38 | * into those that are synchronization, discarded or |
| 39 | * not specific to any file, and those that were |
| 40 | * nulled or true errors. |
| 41 | */ |
| 42 | files[0] = &errors[0]; |
| 43 | ECITERATE(ei, errorp, 0){ |
| 44 | if ( ! (NOTSORTABLE(errorp->error_e_class))) |
| 45 | break; |
| 46 | } |
| 47 | /* |
| 48 | * Now, and partition off all error messages |
| 49 | * for a given file. |
| 50 | */ |
| 51 | files[1] = &errors[ei]; |
| 52 | touchedfiles[0] = touchedfiles[1] = FALSE; |
| 53 | name = "\1"; |
| 54 | fi = 1; |
| 55 | ECITERATE(ei, errorp, ei){ |
| 56 | if ( (errorp->error_e_class == C_NULLED) |
| 57 | || (errorp->error_e_class == C_TRUE) ){ |
| 58 | if (strcmp(errorp->error_text[0], name) != 0){ |
| 59 | name = errorp->error_text[0]; |
| 60 | touchedfiles[fi] = FALSE; |
| 61 | files[fi] = &errors[ei]; |
| 62 | fi++; |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 | files[fi] = &errors[nerrors]; |
| 67 | *r_nfiles = nfiles; |
| 68 | *r_files = files; |
| 69 | } |
| 70 | |
| 71 | int countfiles(errors) |
| 72 | Eptr *errors; |
| 73 | { |
| 74 | char *name; |
| 75 | int ei; |
| 76 | reg Eptr errorp; |
| 77 | |
| 78 | int nfiles; |
| 79 | nfiles = 0; |
| 80 | name = "\1"; |
| 81 | ECITERATE(ei, errorp, 0){ |
| 82 | if (SORTABLE(errorp->error_e_class)){ |
| 83 | if (strcmp(errorp->error_text[0],name) != 0){ |
| 84 | nfiles++; |
| 85 | name = errorp->error_text[0]; |
| 86 | } |
| 87 | } |
| 88 | } |
| 89 | return(nfiles); |
| 90 | } |
| 91 | char *class_table[] = { |
| 92 | /*C_UNKNOWN 0 */ "Unknown", |
| 93 | /*C_IGNORE 1 */ "ignore", |
| 94 | /*C_SYNC 2 */ "synchronization", |
| 95 | /*C_DISCARD 3 */ "discarded", |
| 96 | /*C_NONSPEC 4 */ "non specific", |
| 97 | /*C_THISFILE 5 */ "specific to this file", |
| 98 | /*C_NULLED 6 */ "nulled", |
| 99 | /*C_TRUE 7 */ "true", |
| 100 | /*C_DUPL 8 */ "duplicated" |
| 101 | }; |
| 102 | |
| 103 | int class_count[C_LAST - C_FIRST] = {0}; |
| 104 | |
| 105 | filenames(nfiles, files) |
| 106 | int nfiles; |
| 107 | Eptr **files; |
| 108 | { |
| 109 | reg int fi; |
| 110 | char *sep = " "; |
| 111 | extern char *class_table[]; |
| 112 | int someerrors; |
| 113 | |
| 114 | /* |
| 115 | * first, simply dump out errors that |
| 116 | * don't pertain to any file |
| 117 | */ |
| 118 | someerrors = nopertain(files); |
| 119 | |
| 120 | if (nfiles){ |
| 121 | someerrors++; |
| 122 | fprintf(stdout, terse |
| 123 | ? "%d file%s" |
| 124 | : "%d file%s contain%s errors", |
| 125 | nfiles, plural(nfiles), verbform(nfiles)); |
| 126 | if (!terse){ |
| 127 | FILEITERATE(fi, 1){ |
| 128 | fprintf(stdout, "%s\"%s\" (%d)", |
| 129 | sep, (*files[fi])->error_text[0], |
| 130 | files[fi+1] - files[fi]); |
| 131 | sep = ", "; |
| 132 | } |
| 133 | } |
| 134 | fprintf(stdout, "\n"); |
| 135 | } |
| 136 | if (!someerrors) |
| 137 | fprintf(stdout, "No errors.\n"); |
| 138 | } |
| 139 | |
| 140 | /* |
| 141 | * Dump out errors that don't pertain to any file |
| 142 | */ |
| 143 | int nopertain(files) |
| 144 | Eptr **files; |
| 145 | { |
| 146 | int type; |
| 147 | int someerrors = 0; |
| 148 | reg Eptr *erpp; |
| 149 | reg Eptr errorp; |
| 150 | |
| 151 | if (files[1] - files[0] <= 0) |
| 152 | return(0); |
| 153 | for(type = C_UNKNOWN; NOTSORTABLE(type); type++){ |
| 154 | if (class_count[type] <= 0) |
| 155 | continue; |
| 156 | if (type > C_SYNC) |
| 157 | someerrors++; |
| 158 | if (terse){ |
| 159 | fprintf(stdout, "\t%d %s errors NOT PRINTED\n", |
| 160 | class_count[type], class_table[type]); |
| 161 | } else { |
| 162 | fprintf(stdout, "\n\t%d %s errors follow\n", |
| 163 | class_count[type], class_table[type]); |
| 164 | EITERATE(erpp, files, 0){ |
| 165 | errorp = *erpp; |
| 166 | if (errorp->error_e_class == type){ |
| 167 | errorprint(stdout, errorp, TRUE); |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | return(someerrors); |
| 173 | } |
| 174 | |
| 175 | extern boolean notouch; |
| 176 | |
| 177 | boolean touchfiles(nfiles, files, r_edargc, r_edargv) |
| 178 | int nfiles; |
| 179 | Eptr **files; |
| 180 | int *r_edargc; |
| 181 | char ***r_edargv; |
| 182 | { |
| 183 | char *name; |
| 184 | reg Eptr errorp; |
| 185 | reg int fi; |
| 186 | reg Eptr *erpp; |
| 187 | int ntrueerrors; |
| 188 | boolean scribbled; |
| 189 | int n_pissed_on; /* # of file touched*/ |
| 190 | int spread; |
| 191 | |
| 192 | FILEITERATE(fi, 1){ |
| 193 | name = (*files[fi])->error_text[0]; |
| 194 | spread = files[fi+1] - files[fi]; |
| 195 | fprintf(stdout, terse |
| 196 | ? "\"%s\" has %d error%s, " |
| 197 | : "\nFile \"%s\" has %d error%s.\n" |
| 198 | , name ,spread ,plural(spread)); |
| 199 | /* |
| 200 | * First, iterate through all error messages in this file |
| 201 | * to see how many of the error messages really will |
| 202 | * get inserted into the file. |
| 203 | */ |
| 204 | ntrueerrors = 0; |
| 205 | EITERATE(erpp, files, fi){ |
| 206 | errorp = *erpp; |
| 207 | if (errorp->error_e_class == C_TRUE) |
| 208 | ntrueerrors++; |
| 209 | } |
| 210 | fprintf(stdout, terse |
| 211 | ? "insert %d\n" |
| 212 | : "\t%d of these errors can be inserted into the file.\n", |
| 213 | ntrueerrors); |
| 214 | |
| 215 | hackfile(name, files, fi, ntrueerrors); |
| 216 | } |
| 217 | scribbled = FALSE; |
| 218 | n_pissed_on = 0; |
| 219 | FILEITERATE(fi, 1){ |
| 220 | scribbled |= touchedfiles[fi]; |
| 221 | n_pissed_on++; |
| 222 | } |
| 223 | if (scribbled){ |
| 224 | /* |
| 225 | * Construct an execv argument |
| 226 | */ |
| 227 | execvarg(n_pissed_on, r_edargc, r_edargv); |
| 228 | return(TRUE); |
| 229 | } else { |
| 230 | if (!terse) |
| 231 | fprintf(stdout, "You didn't touch any files.\n"); |
| 232 | return(FALSE); |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | hackfile(name, files, ix, nerrors) |
| 237 | char *name; |
| 238 | Eptr **files; |
| 239 | int ix; |
| 240 | { |
| 241 | boolean previewed; |
| 242 | int errordest; /* where errors go*/ |
| 243 | |
| 244 | previewed = preview(name, nerrors, files, ix); |
| 245 | |
| 246 | errordest = settotouch(name); |
| 247 | |
| 248 | if (errordest != TOSTDOUT) |
| 249 | touchedfiles[ix] = TRUE; |
| 250 | |
| 251 | if (previewed && (errordest == TOSTDOUT)) |
| 252 | return; |
| 253 | |
| 254 | diverterrors(name, errordest, files, ix, previewed, nerrors); |
| 255 | |
| 256 | if (errordest == TOTHEFILE){ |
| 257 | /* |
| 258 | * overwrite the original file |
| 259 | */ |
| 260 | writetouched(1); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | boolean preview(name, nerrors, files, ix) |
| 265 | char *name; |
| 266 | int nerrors; |
| 267 | Eptr **files; |
| 268 | int ix; |
| 269 | { |
| 270 | int back; |
| 271 | reg Eptr *erpp; |
| 272 | |
| 273 | if (!oktotouch(name)) |
| 274 | return(false); |
| 275 | if (nerrors <= 0) |
| 276 | return(false); |
| 277 | back = false; |
| 278 | if(query){ |
| 279 | switch(inquire(terse |
| 280 | ? "Preview? " |
| 281 | : "Do you want to preview the errors first? ")){ |
| 282 | case Q_YES: |
| 283 | case Q_yes: |
| 284 | back = true; |
| 285 | EITERATE(erpp, files, ix){ |
| 286 | errorprint(stdout, *erpp, TRUE); |
| 287 | } |
| 288 | if (!terse) |
| 289 | fprintf(stdout, "\n"); |
| 290 | default: |
| 291 | break; |
| 292 | } |
| 293 | } |
| 294 | return(back); |
| 295 | } |
| 296 | |
| 297 | int settotouch(name) |
| 298 | char *name; |
| 299 | { |
| 300 | int dest = TOSTDOUT; |
| 301 | |
| 302 | if (query){ |
| 303 | switch(touchstatus = inquire(terse |
| 304 | ? "Touch? " |
| 305 | : "Do you want to touch file \"%s\"? ", |
| 306 | name)){ |
| 307 | case Q_NO: |
| 308 | case Q_no: |
| 309 | return(dest); |
| 310 | default: |
| 311 | break; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | switch(probethisfile(name)){ |
| 316 | case F_NOTREAD: |
| 317 | dest = TOSTDOUT; |
| 318 | fprintf(stdout, terse |
| 319 | ? "\"%s\" unreadable\n" |
| 320 | : "File \"%s\" is unreadable\n", |
| 321 | name); |
| 322 | break; |
| 323 | case F_NOTWRITE: |
| 324 | dest = TOSTDOUT; |
| 325 | fprintf(stdout, terse |
| 326 | ? "\"%s\" unwritable\n" |
| 327 | : "File \"%s\" is unwritable\n", |
| 328 | name); |
| 329 | break; |
| 330 | case F_NOTEXIST: |
| 331 | dest = TOSTDOUT; |
| 332 | fprintf(stdout, terse |
| 333 | ? "\"%s\" not found\n" |
| 334 | : "Can't find file \"%s\" to insert error messages into.\n", |
| 335 | name); |
| 336 | break; |
| 337 | default: |
| 338 | dest = edit(name) ? TOSTDOUT : TOTHEFILE; |
| 339 | break; |
| 340 | } |
| 341 | return(dest); |
| 342 | } |
| 343 | |
| 344 | diverterrors(name, dest, files, ix, previewed, nterrors) |
| 345 | char *name; |
| 346 | int dest; |
| 347 | Eptr **files; |
| 348 | int ix; |
| 349 | boolean previewed; |
| 350 | int nterrors; |
| 351 | { |
| 352 | int nerrors; |
| 353 | reg Eptr *erpp; |
| 354 | reg Eptr errorp; |
| 355 | |
| 356 | nerrors = files[ix+1] - files[ix]; |
| 357 | |
| 358 | if ( (nerrors != nterrors) |
| 359 | && (!previewed) ){ |
| 360 | fprintf(stdout, terse |
| 361 | ? "Uninserted errors\n" |
| 362 | : ">>Uninserted errors for file \"%s\" follow.\n", |
| 363 | name); |
| 364 | } |
| 365 | |
| 366 | EITERATE(erpp, files, ix){ |
| 367 | errorp = *erpp; |
| 368 | if (errorp->error_e_class != C_TRUE){ |
| 369 | if (previewed || touchstatus == Q_NO) |
| 370 | continue; |
| 371 | errorprint(stdout, errorp, TRUE); |
| 372 | continue; |
| 373 | } |
| 374 | switch (dest){ |
| 375 | case TOSTDOUT: |
| 376 | if (previewed || touchstatus == Q_NO) |
| 377 | continue; |
| 378 | errorprint(stdout,errorp, TRUE); |
| 379 | break; |
| 380 | case TOTHEFILE: |
| 381 | insert(errorp->error_line); |
| 382 | text(errorp, FALSE); |
| 383 | break; |
| 384 | } |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | int oktotouch(filename) |
| 389 | char *filename; |
| 390 | { |
| 391 | extern char *suffixlist; |
| 392 | reg char *src; |
| 393 | reg char *pat; |
| 394 | char *osrc; |
| 395 | |
| 396 | pat = suffixlist; |
| 397 | if (pat == 0) |
| 398 | return(0); |
| 399 | if (*pat == '*') |
| 400 | return(1); |
| 401 | while (*pat++ != '.') |
| 402 | continue; |
| 403 | --pat; /* point to the period */ |
| 404 | |
| 405 | for (src = &filename[strlen(filename)], --src; |
| 406 | (src > filename) && (*src != '.'); --src) |
| 407 | continue; |
| 408 | if (*src != '.') |
| 409 | return(0); |
| 410 | |
| 411 | for (src++, pat++, osrc = src; *src && *pat; src = osrc, pat++){ |
| 412 | for (; *src /* not at end of the source */ |
| 413 | && *pat /* not off end of pattern */ |
| 414 | && *pat != '.' /* not off end of sub pattern */ |
| 415 | && *pat != '*' /* not wild card */ |
| 416 | && *src == *pat; /* and equal... */ |
| 417 | src++, pat++) |
| 418 | continue; |
| 419 | if (*src == 0 && (*pat == 0 || *pat == '.' || *pat == '*')) |
| 420 | return(1); |
| 421 | if (*src != 0 && *pat == '*') |
| 422 | return(1); |
| 423 | while (*pat && *pat != '.') |
| 424 | pat++; |
| 425 | if (! *pat) |
| 426 | return(0); |
| 427 | } |
| 428 | return(0); |
| 429 | } |
| 430 | /* |
| 431 | * Construct an execv argument |
| 432 | * We need 1 argument for the editor's name |
| 433 | * We need 1 argument for the initial search string |
| 434 | * We need n_pissed_on arguments for the file names |
| 435 | * We need 1 argument that is a null for execv. |
| 436 | * The caller fills in the editor's name. |
| 437 | * We fill in the initial search string. |
| 438 | * We fill in the arguments, and the null. |
| 439 | */ |
| 440 | execvarg(n_pissed_on, r_argc, r_argv) |
| 441 | int n_pissed_on; |
| 442 | int *r_argc; |
| 443 | char ***r_argv; |
| 444 | { |
| 445 | Eptr p; |
| 446 | char *sep; |
| 447 | int fi; |
| 448 | |
| 449 | (*r_argv) = (char **)Calloc(n_pissed_on + 3, sizeof(char *)); |
| 450 | (*r_argc) = n_pissed_on + 2; |
| 451 | (*r_argv)[1] = "+1;/###/"; |
| 452 | n_pissed_on = 2; |
| 453 | if (!terse){ |
| 454 | fprintf(stdout, "You touched file(s):"); |
| 455 | sep = " "; |
| 456 | } |
| 457 | FILEITERATE(fi, 1){ |
| 458 | if (!touchedfiles[fi]) |
| 459 | continue; |
| 460 | p = *(files[fi]); |
| 461 | if (!terse){ |
| 462 | fprintf(stdout,"%s\"%s\"", sep, p->error_text[0]); |
| 463 | sep = ", "; |
| 464 | } |
| 465 | (*r_argv)[n_pissed_on++] = p->error_text[0]; |
| 466 | } |
| 467 | if (!terse) |
| 468 | fprintf(stdout, "\n"); |
| 469 | (*r_argv)[n_pissed_on] = 0; |
| 470 | } |
| 471 | |
| 472 | FILE *o_touchedfile; /* the old file */ |
| 473 | FILE *n_touchedfile; /* the new file */ |
| 474 | char *o_name; |
| 475 | char n_name[64]; |
| 476 | char *canon_name = "/tmp/ErrorXXXXXX"; |
| 477 | int o_lineno; |
| 478 | int n_lineno; |
| 479 | boolean tempfileopen = FALSE; |
| 480 | /* |
| 481 | * open the file; guaranteed to be both readable and writable |
| 482 | * Well, if it isn't, then return TRUE if something failed |
| 483 | */ |
| 484 | boolean edit(name) |
| 485 | char *name; |
| 486 | { |
| 487 | o_name = name; |
| 488 | if ( (o_touchedfile = fopen(name, "r")) == NULL){ |
| 489 | fprintf(stderr, "%s: Can't open file \"%s\" to touch (read).\n", |
| 490 | processname, name); |
| 491 | return(TRUE); |
| 492 | } |
| 493 | (void)strcpy(n_name, canon_name); |
| 494 | (void)mktemp(n_name); |
| 495 | if ( (n_touchedfile = fopen(n_name, "w")) == NULL){ |
| 496 | fprintf(stderr,"%s: Can't open file \"%s\" to touch (write).\n", |
| 497 | processname, name); |
| 498 | return(TRUE); |
| 499 | } |
| 500 | tempfileopen = TRUE; |
| 501 | n_lineno = 0; |
| 502 | o_lineno = 0; |
| 503 | return(FALSE); |
| 504 | } |
| 505 | /* |
| 506 | * Position to the line (before, after) the line given by place |
| 507 | */ |
| 508 | char edbuf[BUFSIZ]; |
| 509 | insert(place) |
| 510 | int place; |
| 511 | { |
| 512 | --place; /* always insert messages before the offending line*/ |
| 513 | for(; o_lineno < place; o_lineno++, n_lineno++){ |
| 514 | if(fgets(edbuf, BUFSIZ, o_touchedfile) == NULL) |
| 515 | return; |
| 516 | fputs(edbuf, n_touchedfile); |
| 517 | } |
| 518 | } |
| 519 | |
| 520 | text(p, use_all) |
| 521 | reg Eptr p; |
| 522 | boolean use_all; |
| 523 | { |
| 524 | int offset = use_all ? 0 : 2; |
| 525 | |
| 526 | fputs(lang_table[p->error_language].lang_incomment, n_touchedfile); |
| 527 | fprintf(n_touchedfile, "%d [%s] ", |
| 528 | p->error_line, |
| 529 | lang_table[p->error_language].lang_name); |
| 530 | wordvprint(n_touchedfile, p->error_lgtext-offset, p->error_text+offset); |
| 531 | fputs(lang_table[p->error_language].lang_outcomment,n_touchedfile); |
| 532 | n_lineno++; |
| 533 | } |
| 534 | |
| 535 | /* |
| 536 | * write the touched file to its temporary copy, |
| 537 | * then bring the temporary in over the local file |
| 538 | */ |
| 539 | writetouched(overwrite) |
| 540 | int overwrite; |
| 541 | { |
| 542 | reg int nread; |
| 543 | reg FILE *localfile; |
| 544 | reg FILE *tmpfile; |
| 545 | int botch; |
| 546 | |
| 547 | while((nread = fread(edbuf, 1, sizeof(edbuf), o_touchedfile)) != NULL){ |
| 548 | fwrite(edbuf, 1, nread, n_touchedfile); |
| 549 | } |
| 550 | fclose(n_touchedfile); |
| 551 | fclose(o_touchedfile); |
| 552 | /* |
| 553 | * Now, copy the temp file back over the original |
| 554 | * file, thus preserving links, etc |
| 555 | */ |
| 556 | if (overwrite){ |
| 557 | botch = 0; |
| 558 | localfile = NULL; |
| 559 | tmpfile = NULL; |
| 560 | if ((localfile = fopen(o_name, "w")) == NULL){ |
| 561 | fprintf(stderr, |
| 562 | "%s: Can't open file \"%s\" to overwrite.\n", |
| 563 | processname, o_name); |
| 564 | botch++; |
| 565 | } |
| 566 | if ((tmpfile = fopen(n_name, "r")) == NULL){ |
| 567 | fprintf(stderr, "%s: Can't open file \"%s\" to read.\n", |
| 568 | processname, n_name); |
| 569 | botch++; |
| 570 | } |
| 571 | if (!botch){ |
| 572 | while((nread=fread(edbuf, 1, sizeof(edbuf), tmpfile)) |
| 573 | != NULL){ |
| 574 | fwrite(edbuf, 1, nread, localfile); |
| 575 | } |
| 576 | } |
| 577 | if (localfile != NULL) |
| 578 | fclose(localfile); |
| 579 | if (tmpfile != NULL) |
| 580 | fclose(tmpfile); |
| 581 | } |
| 582 | /* |
| 583 | * Kiss the temp file good bye |
| 584 | */ |
| 585 | unlink(n_name); |
| 586 | tempfileopen = FALSE; |
| 587 | return(TRUE); |
| 588 | } |
| 589 | |
| 590 | onintr() |
| 591 | { |
| 592 | switch(inquire(terse |
| 593 | ? "\nContinue? " |
| 594 | : "\nInterrupt: Do you want to continue? ")){ |
| 595 | case Q_YES: |
| 596 | case Q_yes: |
| 597 | signal(SIGINT, onintr); |
| 598 | return; |
| 599 | default: |
| 600 | if (tempfileopen){ |
| 601 | /* |
| 602 | * Don't overwrite the original file! |
| 603 | */ |
| 604 | writetouched(0); |
| 605 | } |
| 606 | exit(1); |
| 607 | } |
| 608 | /*NOTREACHED*/ |
| 609 | } |
| 610 | |
| 611 | errorprint(place, errorp, print_all) |
| 612 | FILE *place; |
| 613 | Eptr errorp; |
| 614 | boolean print_all; |
| 615 | { |
| 616 | int offset = print_all ? 0 : 2; |
| 617 | |
| 618 | if (errorp->error_e_class == C_IGNORE) |
| 619 | return; |
| 620 | fprintf(place, "[%s] ", lang_table[errorp->error_language].lang_name); |
| 621 | wordvprint(place,errorp->error_lgtext-offset,errorp->error_text+offset); |
| 622 | putc('\n', place); |
| 623 | } |
| 624 | |
| 625 | int inquire(fmt, a1, a2) |
| 626 | char *fmt; |
| 627 | /*VARARGS1*/ |
| 628 | { |
| 629 | char buffer[128]; |
| 630 | for(;;){ |
| 631 | do{ |
| 632 | fflush(stdout); |
| 633 | fprintf(stderr, fmt, a1, a2); |
| 634 | fflush(stderr); |
| 635 | } while (fgets(buffer, 127, queryfile) == NULL); |
| 636 | switch(buffer[0]){ |
| 637 | case 'Y': return(Q_YES); |
| 638 | case 'y': return(Q_yes); |
| 639 | case 'N': return(Q_NO); |
| 640 | case 'n': return(Q_no); |
| 641 | default: fprintf(stderr, "Yes or No only!\n"); |
| 642 | } |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | int probethisfile(name) |
| 647 | char *name; |
| 648 | { |
| 649 | struct stat statbuf; |
| 650 | if (stat(name, &statbuf) < 0) |
| 651 | return(F_NOTEXIST); |
| 652 | if((statbuf.st_mode & S_IREAD) == 0) |
| 653 | return(F_NOTREAD); |
| 654 | if((statbuf.st_mode & S_IWRITE) == 0) |
| 655 | return(F_NOTWRITE); |
| 656 | return(F_TOUCHIT); |
| 657 | } |