Commit | Line | Data |
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15637ed4 RG |
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 | } |