Commit | Line | Data |
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442fe3bf DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | static char sccsid[] = "@(#)touch.c 5.1 (Berkeley) %G%"; | |
9 | #endif not lint | |
10 | ||
c99ba90a BJ |
11 | #include <stdio.h> |
12 | #include <ctype.h> | |
13 | #include <sys/types.h> | |
14 | #include <sys/stat.h> | |
15 | #include <signal.h> | |
16 | #include "error.h" | |
17 | ||
58195f21 RH |
18 | /* |
19 | * Iterate through errors | |
20 | */ | |
21 | #define EITERATE(p, fv, i) for (p = fv[i]; p < fv[i+1]; p++) | |
22 | #define ECITERATE(ei, p, lb) for (ei = lb; p = errors[ei],ei < nerrors; ei++) | |
23 | ||
24 | #define FILEITERATE(fi, lb) for (fi = lb; fi <= nfiles; fi++) | |
25 | int touchstatus = Q_YES; | |
26 | ||
c99ba90a | 27 | findfiles(nerrors, errors, r_nfiles, r_files) |
58195f21 RH |
28 | int nerrors; |
29 | Eptr *errors; | |
30 | int *r_nfiles; | |
31 | Eptr ***r_files; | |
c99ba90a | 32 | { |
58195f21 RH |
33 | int nfiles; |
34 | Eptr **files; | |
c99ba90a | 35 | |
58195f21 RH |
36 | char *name; |
37 | reg int ei; | |
38 | int fi; | |
39 | reg Eptr errorp; | |
40 | ||
41 | nfiles = countfiles(errors); | |
42 | ||
43 | files = (Eptr**)Calloc(nfiles + 3, sizeof (Eptr*)); | |
c99ba90a BJ |
44 | touchedfiles = (boolean *)Calloc(nfiles+3, sizeof(boolean)); |
45 | /* | |
58195f21 | 46 | * Now, partition off the error messages |
c99ba90a BJ |
47 | * into those that are synchronization, discarded or |
48 | * not specific to any file, and those that were | |
49 | * nulled or true errors. | |
50 | */ | |
51 | files[0] = &errors[0]; | |
58195f21 RH |
52 | ECITERATE(ei, errorp, 0){ |
53 | if ( ! (NOTSORTABLE(errorp->error_e_class))) | |
54 | break; | |
c99ba90a BJ |
55 | } |
56 | /* | |
58195f21 | 57 | * Now, and partition off all error messages |
c99ba90a BJ |
58 | * for a given file. |
59 | */ | |
58195f21 | 60 | files[1] = &errors[ei]; |
c99ba90a | 61 | touchedfiles[0] = touchedfiles[1] = FALSE; |
58195f21 RH |
62 | name = "\1"; |
63 | fi = 1; | |
64 | ECITERATE(ei, errorp, ei){ | |
65 | if ( (errorp->error_e_class == C_NULLED) | |
66 | || (errorp->error_e_class == C_TRUE) ){ | |
67 | if (strcmp(errorp->error_text[0], name) != 0){ | |
68 | name = errorp->error_text[0]; | |
69 | touchedfiles[fi] = FALSE; | |
70 | files[fi] = &errors[ei]; | |
71 | fi++; | |
c99ba90a BJ |
72 | } |
73 | } | |
74 | } | |
58195f21 | 75 | files[fi] = &errors[nerrors]; |
c99ba90a BJ |
76 | *r_nfiles = nfiles; |
77 | *r_files = files; | |
78 | } | |
79 | ||
58195f21 RH |
80 | int countfiles(errors) |
81 | Eptr *errors; | |
82 | { | |
83 | char *name; | |
84 | int ei; | |
85 | reg Eptr errorp; | |
86 | ||
87 | int nfiles; | |
88 | nfiles = 0; | |
89 | name = "\1"; | |
90 | ECITERATE(ei, errorp, 0){ | |
91 | if (SORTABLE(errorp->error_e_class)){ | |
92 | if (strcmp(errorp->error_text[0],name) != 0){ | |
93 | nfiles++; | |
94 | name = errorp->error_text[0]; | |
95 | } | |
96 | } | |
97 | } | |
98 | return(nfiles); | |
99 | } | |
c99ba90a BJ |
100 | char *class_table[] = { |
101 | /*C_UNKNOWN 0 */ "Unknown", | |
102 | /*C_IGNORE 1 */ "ignore", | |
103 | /*C_SYNC 2 */ "synchronization", | |
104 | /*C_DISCARD 3 */ "discarded", | |
105 | /*C_NONSPEC 4 */ "non specific", | |
106 | /*C_THISFILE 5 */ "specific to this file", | |
107 | /*C_NULLED 6 */ "nulled", | |
108 | /*C_TRUE 7 */ "true", | |
109 | /*C_DUPL 8 */ "duplicated" | |
110 | }; | |
111 | ||
112 | int class_count[C_LAST - C_FIRST] = {0}; | |
113 | ||
114 | filenames(nfiles, files) | |
115 | int nfiles; | |
58195f21 | 116 | Eptr **files; |
c99ba90a | 117 | { |
58195f21 RH |
118 | reg int fi; |
119 | char *sep = " "; | |
120 | extern char *class_table[]; | |
121 | int someerrors; | |
c99ba90a BJ |
122 | |
123 | /* | |
58195f21 | 124 | * first, simply dump out errors that |
c99ba90a BJ |
125 | * don't pertain to any file |
126 | */ | |
58195f21 RH |
127 | someerrors = nopertain(files); |
128 | ||
c99ba90a BJ |
129 | if (nfiles){ |
130 | someerrors++; | |
58195f21 RH |
131 | fprintf(stdout, terse |
132 | ? "%d file%s" | |
133 | : "%d file%s contain%s errors", | |
134 | nfiles, plural(nfiles), verbform(nfiles)); | |
135 | if (!terse){ | |
136 | FILEITERATE(fi, 1){ | |
137 | fprintf(stdout, "%s\"%s\" (%d)", | |
138 | sep, (*files[fi])->error_text[0], | |
139 | files[fi+1] - files[fi]); | |
140 | sep = ", "; | |
141 | } | |
c99ba90a BJ |
142 | } |
143 | fprintf(stdout, "\n"); | |
144 | } | |
145 | if (!someerrors) | |
146 | fprintf(stdout, "No errors.\n"); | |
147 | } | |
148 | ||
58195f21 RH |
149 | /* |
150 | * Dump out errors that don't pertain to any file | |
151 | */ | |
152 | int nopertain(files) | |
153 | Eptr **files; | |
154 | { | |
155 | int type; | |
156 | int someerrors = 0; | |
157 | reg Eptr *erpp; | |
158 | reg Eptr errorp; | |
159 | ||
160 | if (files[1] - files[0] <= 0) | |
161 | return(0); | |
162 | for(type = C_UNKNOWN; NOTSORTABLE(type); type++){ | |
163 | if (class_count[type] <= 0) | |
164 | continue; | |
165 | if (type > C_SYNC) | |
166 | someerrors++; | |
167 | if (terse){ | |
168 | fprintf(stdout, "\t%d %s errors NOT PRINTED\n", | |
169 | class_count[type], class_table[type]); | |
170 | } else { | |
171 | fprintf(stdout, "\n\t%d %s errors follow\n", | |
172 | class_count[type], class_table[type]); | |
173 | EITERATE(erpp, files, 0){ | |
174 | errorp = *erpp; | |
175 | if (errorp->error_e_class == type){ | |
176 | errorprint(stdout, errorp, TRUE); | |
177 | } | |
178 | } | |
179 | } | |
180 | } | |
181 | return(someerrors); | |
182 | } | |
183 | ||
c99ba90a BJ |
184 | extern boolean notouch; |
185 | ||
186 | boolean touchfiles(nfiles, files, r_edargc, r_edargv) | |
187 | int nfiles; | |
58195f21 | 188 | Eptr **files; |
c99ba90a BJ |
189 | int *r_edargc; |
190 | char ***r_edargv; | |
191 | { | |
58195f21 RH |
192 | char *name; |
193 | reg Eptr errorp; | |
194 | reg int fi; | |
195 | reg Eptr *erpp; | |
196 | int ntrueerrors; | |
197 | boolean scribbled; | |
198 | int n_pissed_on; /* # of file touched*/ | |
199 | int spread; | |
200 | ||
201 | FILEITERATE(fi, 1){ | |
202 | name = (*files[fi])->error_text[0]; | |
203 | spread = files[fi+1] - files[fi]; | |
204 | fprintf(stdout, terse | |
205 | ? "\"%s\" has %d error%s, " | |
206 | : "\nFile \"%s\" has %d error%s.\n" | |
207 | , name ,spread ,plural(spread)); | |
c99ba90a BJ |
208 | /* |
209 | * First, iterate through all error messages in this file | |
210 | * to see how many of the error messages really will | |
211 | * get inserted into the file. | |
212 | */ | |
58195f21 RH |
213 | ntrueerrors = 0; |
214 | EITERATE(erpp, files, fi){ | |
c99ba90a BJ |
215 | errorp = *erpp; |
216 | if (errorp->error_e_class == C_TRUE) | |
217 | ntrueerrors++; | |
218 | } | |
58195f21 RH |
219 | fprintf(stdout, terse |
220 | ? "insert %d\n" | |
221 | : "\t%d of these errors can be inserted into the file.\n", | |
c99ba90a BJ |
222 | ntrueerrors); |
223 | ||
58195f21 RH |
224 | hackfile(name, files, fi, ntrueerrors); |
225 | } | |
c99ba90a | 226 | scribbled = FALSE; |
58195f21 RH |
227 | n_pissed_on = 0; |
228 | FILEITERATE(fi, 1){ | |
229 | scribbled |= touchedfiles[fi]; | |
c99ba90a BJ |
230 | n_pissed_on++; |
231 | } | |
232 | if (scribbled){ | |
233 | /* | |
234 | * Construct an execv argument | |
c99ba90a | 235 | */ |
58195f21 | 236 | execvarg(n_pissed_on, r_edargc, r_edargv); |
c99ba90a BJ |
237 | return(TRUE); |
238 | } else { | |
58195f21 RH |
239 | if (!terse) |
240 | fprintf(stdout, "You didn't touch any files.\n"); | |
c99ba90a BJ |
241 | return(FALSE); |
242 | } | |
58195f21 | 243 | } |
c99ba90a | 244 | |
58195f21 RH |
245 | hackfile(name, files, ix, nerrors) |
246 | char *name; | |
247 | Eptr **files; | |
248 | int ix; | |
249 | { | |
250 | boolean previewed; | |
251 | int errordest; /* where errors go*/ | |
252 | ||
9cae33f5 RC |
253 | if (!oktotouch(name)) { |
254 | previewed = FALSE; | |
255 | errordest = TOSTDOUT; | |
256 | } else { | |
257 | previewed = preview(name, nerrors, files, ix); | |
258 | errordest = settotouch(name); | |
259 | } | |
58195f21 RH |
260 | |
261 | if (errordest != TOSTDOUT) | |
262 | touchedfiles[ix] = TRUE; | |
263 | ||
264 | if (previewed && (errordest == TOSTDOUT)) | |
265 | return; | |
266 | ||
267 | diverterrors(name, errordest, files, ix, previewed, nerrors); | |
268 | ||
d31142de RH |
269 | if (errordest == TOTHEFILE){ |
270 | /* | |
271 | * overwrite the original file | |
272 | */ | |
273 | writetouched(1); | |
274 | } | |
58195f21 RH |
275 | } |
276 | ||
277 | boolean preview(name, nerrors, files, ix) | |
278 | char *name; | |
279 | int nerrors; | |
280 | Eptr **files; | |
281 | int ix; | |
282 | { | |
283 | int back; | |
284 | reg Eptr *erpp; | |
285 | ||
58195f21 | 286 | if (nerrors <= 0) |
9cae33f5 RC |
287 | return(FALSE); |
288 | back = FALSE; | |
58195f21 RH |
289 | if(query){ |
290 | switch(inquire(terse | |
291 | ? "Preview? " | |
292 | : "Do you want to preview the errors first? ")){ | |
293 | case Q_YES: | |
294 | case Q_yes: | |
9cae33f5 | 295 | back = TRUE; |
58195f21 RH |
296 | EITERATE(erpp, files, ix){ |
297 | errorprint(stdout, *erpp, TRUE); | |
298 | } | |
299 | if (!terse) | |
300 | fprintf(stdout, "\n"); | |
301 | default: | |
302 | break; | |
303 | } | |
304 | } | |
305 | return(back); | |
306 | } | |
307 | ||
308 | int settotouch(name) | |
309 | char *name; | |
310 | { | |
311 | int dest = TOSTDOUT; | |
312 | ||
313 | if (query){ | |
314 | switch(touchstatus = inquire(terse | |
315 | ? "Touch? " | |
316 | : "Do you want to touch file \"%s\"? ", | |
317 | name)){ | |
318 | case Q_NO: | |
319 | case Q_no: | |
320 | return(dest); | |
321 | default: | |
322 | break; | |
323 | } | |
324 | } | |
325 | ||
326 | switch(probethisfile(name)){ | |
327 | case F_NOTREAD: | |
328 | dest = TOSTDOUT; | |
329 | fprintf(stdout, terse | |
330 | ? "\"%s\" unreadable\n" | |
331 | : "File \"%s\" is unreadable\n", | |
332 | name); | |
333 | break; | |
334 | case F_NOTWRITE: | |
335 | dest = TOSTDOUT; | |
336 | fprintf(stdout, terse | |
337 | ? "\"%s\" unwritable\n" | |
338 | : "File \"%s\" is unwritable\n", | |
339 | name); | |
340 | break; | |
341 | case F_NOTEXIST: | |
342 | dest = TOSTDOUT; | |
343 | fprintf(stdout, terse | |
344 | ? "\"%s\" not found\n" | |
345 | : "Can't find file \"%s\" to insert error messages into.\n", | |
346 | name); | |
347 | break; | |
348 | default: | |
349 | dest = edit(name) ? TOSTDOUT : TOTHEFILE; | |
350 | break; | |
351 | } | |
352 | return(dest); | |
353 | } | |
354 | ||
355 | diverterrors(name, dest, files, ix, previewed, nterrors) | |
356 | char *name; | |
357 | int dest; | |
358 | Eptr **files; | |
359 | int ix; | |
360 | boolean previewed; | |
361 | int nterrors; | |
362 | { | |
363 | int nerrors; | |
364 | reg Eptr *erpp; | |
365 | reg Eptr errorp; | |
366 | ||
367 | nerrors = files[ix+1] - files[ix]; | |
368 | ||
369 | if ( (nerrors != nterrors) | |
370 | && (!previewed) ){ | |
371 | fprintf(stdout, terse | |
372 | ? "Uninserted errors\n" | |
373 | : ">>Uninserted errors for file \"%s\" follow.\n", | |
374 | name); | |
375 | } | |
376 | ||
377 | EITERATE(erpp, files, ix){ | |
378 | errorp = *erpp; | |
379 | if (errorp->error_e_class != C_TRUE){ | |
380 | if (previewed || touchstatus == Q_NO) | |
381 | continue; | |
382 | errorprint(stdout, errorp, TRUE); | |
383 | continue; | |
384 | } | |
385 | switch (dest){ | |
386 | case TOSTDOUT: | |
387 | if (previewed || touchstatus == Q_NO) | |
388 | continue; | |
389 | errorprint(stdout,errorp, TRUE); | |
390 | break; | |
391 | case TOTHEFILE: | |
392 | insert(errorp->error_line); | |
393 | text(errorp, FALSE); | |
394 | break; | |
395 | } | |
396 | } | |
397 | } | |
398 | ||
399 | int oktotouch(filename) | |
c99ba90a BJ |
400 | char *filename; |
401 | { | |
402 | extern char *suffixlist; | |
58195f21 RH |
403 | reg char *src; |
404 | reg char *pat; | |
c99ba90a BJ |
405 | char *osrc; |
406 | ||
407 | pat = suffixlist; | |
408 | if (pat == 0) | |
409 | return(0); | |
410 | if (*pat == '*') | |
411 | return(1); | |
412 | while (*pat++ != '.') | |
413 | continue; | |
414 | --pat; /* point to the period */ | |
415 | ||
416 | for (src = &filename[strlen(filename)], --src; | |
417 | (src > filename) && (*src != '.'); --src) | |
418 | continue; | |
419 | if (*src != '.') | |
420 | return(0); | |
421 | ||
422 | for (src++, pat++, osrc = src; *src && *pat; src = osrc, pat++){ | |
423 | for (; *src /* not at end of the source */ | |
424 | && *pat /* not off end of pattern */ | |
425 | && *pat != '.' /* not off end of sub pattern */ | |
426 | && *pat != '*' /* not wild card */ | |
427 | && *src == *pat; /* and equal... */ | |
428 | src++, pat++) | |
429 | continue; | |
430 | if (*src == 0 && (*pat == 0 || *pat == '.' || *pat == '*')) | |
431 | return(1); | |
432 | if (*src != 0 && *pat == '*') | |
433 | return(1); | |
434 | while (*pat && *pat != '.') | |
435 | pat++; | |
436 | if (! *pat) | |
437 | return(0); | |
438 | } | |
439 | return(0); | |
440 | } | |
58195f21 RH |
441 | /* |
442 | * Construct an execv argument | |
443 | * We need 1 argument for the editor's name | |
444 | * We need 1 argument for the initial search string | |
445 | * We need n_pissed_on arguments for the file names | |
446 | * We need 1 argument that is a null for execv. | |
447 | * The caller fills in the editor's name. | |
448 | * We fill in the initial search string. | |
449 | * We fill in the arguments, and the null. | |
450 | */ | |
451 | execvarg(n_pissed_on, r_argc, r_argv) | |
452 | int n_pissed_on; | |
453 | int *r_argc; | |
454 | char ***r_argv; | |
455 | { | |
456 | Eptr p; | |
457 | char *sep; | |
458 | int fi; | |
459 | ||
460 | (*r_argv) = (char **)Calloc(n_pissed_on + 3, sizeof(char *)); | |
461 | (*r_argc) = n_pissed_on + 2; | |
462 | (*r_argv)[1] = "+1;/###/"; | |
463 | n_pissed_on = 2; | |
464 | if (!terse){ | |
465 | fprintf(stdout, "You touched file(s):"); | |
466 | sep = " "; | |
467 | } | |
468 | FILEITERATE(fi, 1){ | |
469 | if (!touchedfiles[fi]) | |
470 | continue; | |
471 | p = *(files[fi]); | |
472 | if (!terse){ | |
473 | fprintf(stdout,"%s\"%s\"", sep, p->error_text[0]); | |
474 | sep = ", "; | |
475 | } | |
476 | (*r_argv)[n_pissed_on++] = p->error_text[0]; | |
477 | } | |
478 | if (!terse) | |
479 | fprintf(stdout, "\n"); | |
480 | (*r_argv)[n_pissed_on] = 0; | |
481 | } | |
c99ba90a BJ |
482 | |
483 | FILE *o_touchedfile; /* the old file */ | |
484 | FILE *n_touchedfile; /* the new file */ | |
485 | char *o_name; | |
d31142de RH |
486 | char n_name[64]; |
487 | char *canon_name = "/tmp/ErrorXXXXXX"; | |
c99ba90a BJ |
488 | int o_lineno; |
489 | int n_lineno; | |
490 | boolean tempfileopen = FALSE; | |
491 | /* | |
492 | * open the file; guaranteed to be both readable and writable | |
493 | * Well, if it isn't, then return TRUE if something failed | |
494 | */ | |
495 | boolean edit(name) | |
496 | char *name; | |
497 | { | |
498 | o_name = name; | |
499 | if ( (o_touchedfile = fopen(name, "r")) == NULL){ | |
500 | fprintf(stderr, "%s: Can't open file \"%s\" to touch (read).\n", | |
501 | processname, name); | |
502 | return(TRUE); | |
503 | } | |
58195f21 RH |
504 | (void)strcpy(n_name, canon_name); |
505 | (void)mktemp(n_name); | |
c99ba90a BJ |
506 | if ( (n_touchedfile = fopen(n_name, "w")) == NULL){ |
507 | fprintf(stderr,"%s: Can't open file \"%s\" to touch (write).\n", | |
508 | processname, name); | |
509 | return(TRUE); | |
510 | } | |
511 | tempfileopen = TRUE; | |
512 | n_lineno = 0; | |
513 | o_lineno = 0; | |
514 | return(FALSE); | |
515 | } | |
516 | /* | |
517 | * Position to the line (before, after) the line given by place | |
518 | */ | |
58195f21 | 519 | char edbuf[BUFSIZ]; |
c99ba90a BJ |
520 | insert(place) |
521 | int place; | |
522 | { | |
523 | --place; /* always insert messages before the offending line*/ | |
524 | for(; o_lineno < place; o_lineno++, n_lineno++){ | |
58195f21 | 525 | if(fgets(edbuf, BUFSIZ, o_touchedfile) == NULL) |
c99ba90a | 526 | return; |
58195f21 | 527 | fputs(edbuf, n_touchedfile); |
c99ba90a BJ |
528 | } |
529 | } | |
530 | ||
58195f21 RH |
531 | text(p, use_all) |
532 | reg Eptr p; | |
533 | boolean use_all; | |
c99ba90a BJ |
534 | { |
535 | int offset = use_all ? 0 : 2; | |
58195f21 RH |
536 | |
537 | fputs(lang_table[p->error_language].lang_incomment, n_touchedfile); | |
c99ba90a | 538 | fprintf(n_touchedfile, "%d [%s] ", |
58195f21 RH |
539 | p->error_line, |
540 | lang_table[p->error_language].lang_name); | |
541 | wordvprint(n_touchedfile, p->error_lgtext-offset, p->error_text+offset); | |
542 | fputs(lang_table[p->error_language].lang_outcomment,n_touchedfile); | |
c99ba90a BJ |
543 | n_lineno++; |
544 | } | |
545 | ||
d31142de RH |
546 | /* |
547 | * write the touched file to its temporary copy, | |
548 | * then bring the temporary in over the local file | |
549 | */ | |
550 | writetouched(overwrite) | |
551 | int overwrite; | |
c99ba90a | 552 | { |
d31142de RH |
553 | reg int nread; |
554 | reg FILE *localfile; | |
555 | reg FILE *tmpfile; | |
556 | int botch; | |
d3cda45e | 557 | int oktorm; |
58195f21 | 558 | |
d3cda45e RH |
559 | botch = 0; |
560 | oktorm = 1; | |
58195f21 | 561 | while((nread = fread(edbuf, 1, sizeof(edbuf), o_touchedfile)) != NULL){ |
d3cda45e RH |
562 | if (nread != fwrite(edbuf, 1, nread, n_touchedfile)){ |
563 | /* | |
564 | * Catastrophe in temporary area: file system full? | |
565 | */ | |
566 | botch = 1; | |
567 | fprintf(stderr, | |
568 | "%s: write failure: No errors inserted in \"%s\"\n", | |
569 | processname, o_name); | |
570 | } | |
c99ba90a BJ |
571 | } |
572 | fclose(n_touchedfile); | |
573 | fclose(o_touchedfile); | |
d31142de RH |
574 | /* |
575 | * Now, copy the temp file back over the original | |
576 | * file, thus preserving links, etc | |
577 | */ | |
d3cda45e | 578 | if (botch == 0 && overwrite){ |
d31142de RH |
579 | botch = 0; |
580 | localfile = NULL; | |
581 | tmpfile = NULL; | |
582 | if ((localfile = fopen(o_name, "w")) == NULL){ | |
583 | fprintf(stderr, | |
584 | "%s: Can't open file \"%s\" to overwrite.\n", | |
585 | processname, o_name); | |
586 | botch++; | |
587 | } | |
588 | if ((tmpfile = fopen(n_name, "r")) == NULL){ | |
589 | fprintf(stderr, "%s: Can't open file \"%s\" to read.\n", | |
590 | processname, n_name); | |
591 | botch++; | |
592 | } | |
d3cda45e RH |
593 | if (!botch) |
594 | oktorm = mustoverwrite(localfile, tmpfile); | |
d31142de RH |
595 | if (localfile != NULL) |
596 | fclose(localfile); | |
597 | if (tmpfile != NULL) | |
598 | fclose(tmpfile); | |
599 | } | |
d3cda45e RH |
600 | if (oktorm == 0){ |
601 | fprintf(stderr, "%s: Catastrophe: A copy of \"%s\: was saved in \"%s\"\n", | |
602 | processname, o_name, n_name); | |
603 | exit(1); | |
604 | } | |
d31142de RH |
605 | /* |
606 | * Kiss the temp file good bye | |
607 | */ | |
c99ba90a BJ |
608 | unlink(n_name); |
609 | tempfileopen = FALSE; | |
d31142de | 610 | return(TRUE); |
c99ba90a | 611 | } |
d3cda45e RH |
612 | /* |
613 | * return 1 if the tmpfile can be removed after writing it out | |
614 | */ | |
615 | int mustoverwrite(preciousfile, tmpfile) | |
616 | FILE *preciousfile; | |
617 | FILE *tmpfile; | |
618 | { | |
619 | int nread; | |
620 | ||
621 | while((nread = fread(edbuf, 1, sizeof(edbuf), tmpfile)) != NULL){ | |
622 | if (mustwrite(edbuf, nread, preciousfile) == 0) | |
623 | return(0); | |
624 | } | |
625 | return(1); | |
626 | } | |
627 | /* | |
628 | * return 0 on catastrophe | |
629 | */ | |
630 | mustwrite(base, n, preciousfile) | |
631 | char *base; | |
632 | int n; | |
633 | FILE *preciousfile; | |
634 | { | |
635 | int nwrote; | |
636 | ||
637 | if (n <= 0) | |
638 | return(1); | |
639 | nwrote = fwrite(base, 1, n, preciousfile); | |
640 | if (nwrote == n) | |
641 | return(1); | |
642 | perror(processname); | |
643 | switch(inquire(terse | |
644 | ? "Botch overwriting: retry? " | |
645 | : "Botch overwriting the source file: retry? ")){ | |
646 | case Q_YES: | |
647 | case Q_yes: | |
648 | mustwrite(base + nwrote, n - nwrote, preciousfile); | |
649 | return(1); | |
650 | case Q_NO: | |
651 | case Q_no: | |
652 | switch(inquire("Are you sure? ")){ | |
653 | case Q_YES: | |
654 | case Q_yes: | |
655 | return(0); | |
656 | case Q_NO: | |
657 | case Q_no: | |
658 | mustwrite(base + nwrote, n - nwrote, preciousfile); | |
659 | return(1); | |
660 | } | |
7799334e RC |
661 | default: |
662 | return(0); | |
d3cda45e RH |
663 | } |
664 | } | |
58195f21 | 665 | |
c99ba90a BJ |
666 | onintr() |
667 | { | |
58195f21 RH |
668 | switch(inquire(terse |
669 | ? "\nContinue? " | |
670 | : "\nInterrupt: Do you want to continue? ")){ | |
671 | case Q_YES: | |
672 | case Q_yes: | |
c99ba90a BJ |
673 | signal(SIGINT, onintr); |
674 | return; | |
58195f21 | 675 | default: |
d31142de RH |
676 | if (tempfileopen){ |
677 | /* | |
678 | * Don't overwrite the original file! | |
679 | */ | |
680 | writetouched(0); | |
681 | } | |
58195f21 | 682 | exit(1); |
c99ba90a | 683 | } |
58195f21 | 684 | /*NOTREACHED*/ |
c99ba90a | 685 | } |
58195f21 | 686 | |
c99ba90a BJ |
687 | errorprint(place, errorp, print_all) |
688 | FILE *place; | |
58195f21 | 689 | Eptr errorp; |
c99ba90a BJ |
690 | boolean print_all; |
691 | { | |
692 | int offset = print_all ? 0 : 2; | |
693 | ||
694 | if (errorp->error_e_class == C_IGNORE) | |
695 | return; | |
696 | fprintf(place, "[%s] ", lang_table[errorp->error_language].lang_name); | |
697 | wordvprint(place,errorp->error_lgtext-offset,errorp->error_text+offset); | |
698 | putc('\n', place); | |
699 | } | |
700 | ||
58195f21 | 701 | int inquire(fmt, a1, a2) |
c99ba90a BJ |
702 | char *fmt; |
703 | /*VARARGS1*/ | |
704 | { | |
705 | char buffer[128]; | |
7799334e RC |
706 | |
707 | if (queryfile == NULL) | |
708 | return(0); | |
c99ba90a BJ |
709 | for(;;){ |
710 | do{ | |
711 | fflush(stdout); | |
712 | fprintf(stderr, fmt, a1, a2); | |
713 | fflush(stderr); | |
714 | } while (fgets(buffer, 127, queryfile) == NULL); | |
58195f21 RH |
715 | switch(buffer[0]){ |
716 | case 'Y': return(Q_YES); | |
717 | case 'y': return(Q_yes); | |
718 | case 'N': return(Q_NO); | |
719 | case 'n': return(Q_no); | |
720 | default: fprintf(stderr, "Yes or No only!\n"); | |
721 | } | |
c99ba90a BJ |
722 | } |
723 | } | |
724 | ||
58195f21 RH |
725 | int probethisfile(name) |
726 | char *name; | |
c99ba90a BJ |
727 | { |
728 | struct stat statbuf; | |
58195f21 RH |
729 | if (stat(name, &statbuf) < 0) |
730 | return(F_NOTEXIST); | |
731 | if((statbuf.st_mode & S_IREAD) == 0) | |
732 | return(F_NOTREAD); | |
733 | if((statbuf.st_mode & S_IWRITE) == 0) | |
734 | return(F_NOTWRITE); | |
735 | return(F_TOUCHIT); | |
c99ba90a | 736 | } |