xref: /netbsd-src/usr.bin/error/touch.c (revision 2a399c6883d870daece976daec6ffa7bb7f934ce)
1 /*	$NetBSD: touch.c,v 1.7 1997/10/19 14:06:23 mrg Exp $	*/
2 
3 /*
4  * Copyright (c) 1980, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)touch.c	8.1 (Berkeley) 6/6/93";
40 #endif
41 __RCSID("$NetBSD: touch.c,v 1.7 1997/10/19 14:06:23 mrg Exp $");
42 #endif /* not lint */
43 
44 #include <sys/types.h>
45 #include <sys/stat.h>
46 #include <ctype.h>
47 #include <signal.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <unistd.h>
52 #if __STDC__
53 #include <stdarg.h>
54 #else
55 #include <varargs.h>
56 #endif
57 #include "error.h"
58 #include "pathnames.h"
59 
60 /*
61  *	Iterate through errors
62  */
63 #define EITERATE(p, fv, i)	for (p = fv[i]; p < fv[i+1]; p++)
64 #define	ECITERATE(ei, p, lb)	for (ei = lb; p = errors[ei],ei < nerrors; ei++)
65 
66 #define	FILEITERATE(fi, lb)	for (fi = lb; fi <= nfiles; fi++)
67 int	touchstatus = Q_YES;
68 
69 void
70 findfiles(nerrors, errors, r_nfiles, r_files)
71 	int	nerrors;
72 	Eptr	*errors;
73 	int	*r_nfiles;
74 	Eptr	***r_files;
75 {
76 	int	nfiles;
77 	Eptr	**files;
78 
79 	char	*name;
80 	int	ei;
81 	int	fi;
82 	Eptr	errorp;
83 
84 	nfiles = countfiles(errors);
85 
86 	files = (Eptr**)Calloc(nfiles + 3, sizeof (Eptr*));
87 	touchedfiles = (boolean	*)Calloc(nfiles+3, sizeof(boolean));
88 	/*
89 	 *	Now, partition off the error messages
90 	 *	into those that are synchronization, discarded or
91 	 *	not specific to any file, and those that were
92 	 *	nulled or true errors.
93 	 */
94 	files[0] = &errors[0];
95 	ECITERATE(ei, errorp, 0){
96 		if ( ! (NOTSORTABLE(errorp->error_e_class)))
97 			break;
98 	}
99 	/*
100 	 *	Now, and partition off all error messages
101 	 *	for a given file.
102 	 */
103 	files[1] = &errors[ei];
104 	touchedfiles[0] = touchedfiles[1] = FALSE;
105 	name = "\1";
106 	fi = 1;
107 	ECITERATE(ei, errorp, ei){
108 		if (   (errorp->error_e_class == C_NULLED)
109 		    || (errorp->error_e_class == C_TRUE) ){
110 			if (strcmp(errorp->error_text[0], name) != 0){
111 				name = errorp->error_text[0];
112 				touchedfiles[fi] = FALSE;
113 				files[fi] = &errors[ei];
114 				fi++;
115 			}
116 		}
117 	}
118 	files[fi] = &errors[nerrors];
119 	*r_nfiles = nfiles;
120 	*r_files = files;
121 }
122 
123 int
124 countfiles(errors)
125 	Eptr	*errors;
126 {
127 	char	*name;
128 	int	ei;
129 	Eptr	errorp;
130 
131 	int	nfiles;
132 	nfiles = 0;
133 	name = "\1";
134 	ECITERATE(ei, errorp, 0){
135 		if (SORTABLE(errorp->error_e_class)){
136 			if (strcmp(errorp->error_text[0],name) != 0){
137 				nfiles++;
138 				name = errorp->error_text[0];
139 			}
140 		}
141 	}
142 	return(nfiles);
143 }
144 
145 char	*class_table[] = {
146 	/*C_UNKNOWN	0	*/	"Unknown",
147 	/*C_IGNORE	1	*/	"ignore",
148 	/*C_SYNC	2	*/	"synchronization",
149 	/*C_DISCARD	3	*/	"discarded",
150 	/*C_NONSPEC	4	*/	"non specific",
151 	/*C_THISFILE	5	*/	"specific to this file",
152 	/*C_NULLED	6	*/	"nulled",
153 	/*C_TRUE	7	*/	"true",
154 	/*C_DUPL	8	*/	"duplicated"
155 };
156 
157 int	class_count[C_LAST - C_FIRST] = {0};
158 
159 void
160 filenames(nfiles, files)
161 	int	nfiles;
162 	Eptr	**files;
163 {
164 	int	fi;
165 	char	*sep = " ";
166 	extern	char	*class_table[];
167 	int	someerrors;
168 
169 	/*
170 	 *	first, simply dump out errors that
171 	 *	don't pertain to any file
172 	 */
173 	someerrors = nopertain(files);
174 
175 	if (nfiles){
176 		someerrors++;
177 		fprintf(stdout, terse
178 			? "%d file%s"
179 			: "%d file%s contain%s errors",
180 			nfiles, plural(nfiles), verbform(nfiles));
181 		if (!terse){
182 			FILEITERATE(fi, 1){
183 				fprintf(stdout, "%s\"%s\" (%d)",
184 					sep, (*files[fi])->error_text[0],
185 					(int)(files[fi+1] - files[fi]));
186 				sep = ", ";
187 			}
188 		}
189 		fprintf(stdout, "\n");
190 	}
191 	if (!someerrors)
192 		fprintf(stdout, "No errors.\n");
193 }
194 
195 /*
196  *	Dump out errors that don't pertain to any file
197  */
198 int
199 nopertain(files)
200 	Eptr	**files;
201 {
202 	int	type;
203 	int	someerrors = 0;
204 	Eptr	*erpp;
205 	Eptr	errorp;
206 
207 	if (files[1] - files[0] <= 0)
208 		return(0);
209 	for(type = C_UNKNOWN; NOTSORTABLE(type); type++){
210 		if (class_count[type] <= 0)
211 			continue;
212 		if (type > C_SYNC)
213 			someerrors++;
214 		if (terse){
215 			fprintf(stdout, "\t%d %s errors NOT PRINTED\n",
216 				class_count[type], class_table[type]);
217 		} else {
218 			fprintf(stdout, "\n\t%d %s errors follow\n",
219 				class_count[type], class_table[type]);
220 			EITERATE(erpp, files, 0){
221 				errorp = *erpp;
222 				if (errorp->error_e_class == type){
223 					errorprint(stdout, errorp, TRUE);
224 				}
225 			}
226 		}
227 	}
228 	return(someerrors);
229 }
230 
231 extern	boolean	notouch;
232 
233 boolean
234 touchfiles(nfiles, files, r_edargc, r_edargv)
235 	int	nfiles;
236 	Eptr	**files;
237 	int	*r_edargc;
238 	char	***r_edargv;
239 {
240 	char	*name;
241 	Eptr	errorp;
242 	int	fi;
243 	Eptr	*erpp;
244 	int	ntrueerrors;
245 	boolean	scribbled;
246 	int	n_pissed_on;	/* # of file touched*/
247 	int	spread;
248 
249 	FILEITERATE(fi, 1){
250 		name = (*files[fi])->error_text[0];
251 		spread = files[fi+1] - files[fi];
252 		fprintf(stdout, terse
253 			? "\"%s\" has %d error%s, "
254 			: "\nFile \"%s\" has %d error%s.\n"
255 			, name ,spread ,plural(spread));
256 		/*
257 		 *	First, iterate through all error messages in this file
258 		 *	to see how many of the error messages really will
259 		 *	get inserted into the file.
260 		 */
261 		ntrueerrors = 0;
262 		EITERATE(erpp, files, fi){
263 			errorp = *erpp;
264 			if (errorp->error_e_class == C_TRUE)
265 				ntrueerrors++;
266 		}
267 		fprintf(stdout, terse
268 		  ? "insert %d\n"
269 		  : "\t%d of these errors can be inserted into the file.\n",
270 			ntrueerrors);
271 
272 		hackfile(name, files, fi, ntrueerrors);
273 	}
274 	scribbled = FALSE;
275 	n_pissed_on = 0;
276 	FILEITERATE(fi, 1){
277 		scribbled |= touchedfiles[fi];
278 		n_pissed_on++;
279 	}
280 	if (scribbled){
281 		/*
282 		 *	Construct an execv argument
283 		 */
284 		execvarg(n_pissed_on, r_edargc, r_edargv);
285 		return(TRUE);
286 	} else {
287 		if (!terse)
288 			fprintf(stdout, "You didn't touch any files.\n");
289 		return(FALSE);
290 	}
291 }
292 
293 void
294 hackfile(name, files, ix, nerrors)
295 	char	*name;
296 	Eptr	**files;
297 	int	ix;
298 	int	nerrors;
299 {
300 	boolean	previewed;
301 	int	errordest;	/* where errors go*/
302 
303 	if (!oktotouch(name)) {
304 		previewed = FALSE;
305 		errordest = TOSTDOUT;
306 	} else {
307 		previewed = preview(name, nerrors, files, ix);
308 		errordest = settotouch(name);
309 	}
310 
311 	if (errordest != TOSTDOUT)
312 		touchedfiles[ix] = TRUE;
313 
314 	if (previewed && (errordest == TOSTDOUT))
315 		return;
316 
317 	diverterrors(name, errordest, files, ix, previewed, nerrors);
318 
319 	if (errordest == TOTHEFILE){
320 		/*
321 		 *	overwrite the original file
322 		 */
323 		writetouched(1);
324 	}
325 }
326 
327 boolean
328 preview(name, nerrors, files, ix)
329 	char	*name;
330 	int	nerrors;
331 	Eptr	**files;
332 	int	ix;
333 {
334 	int	back;
335 	Eptr	*erpp;
336 
337 	if (nerrors <= 0)
338 		return(FALSE);
339 	back = FALSE;
340 	if(query){
341 		switch(inquire(terse
342 		    ? "Preview? "
343 		    : "Do you want to preview the errors first? ")){
344 		case Q_YES:
345 		case Q_yes:
346 			back = TRUE;
347 			EITERATE(erpp, files, ix){
348 				errorprint(stdout, *erpp, TRUE);
349 			}
350 			if (!terse)
351 				fprintf(stdout, "\n");
352 		default:
353 			break;
354 		}
355 	}
356 	return(back);
357 }
358 
359 int
360 settotouch(name)
361 	char	*name;
362 {
363 	int	dest = TOSTDOUT;
364 
365 	if (query){
366 		switch(touchstatus = inquire(terse
367 			? "Touch? "
368 			: "Do you want to touch file \"%s\"? ",
369 			name)){
370 		case Q_NO:
371 		case Q_no:
372 			return(dest);
373 		default:
374 			break;
375 		}
376 	}
377 
378 	switch(probethisfile(name)){
379 	case F_NOTREAD:
380 		dest = TOSTDOUT;
381 		fprintf(stdout, terse
382 			? "\"%s\" unreadable\n"
383 			: "File \"%s\" is unreadable\n",
384 			name);
385 		break;
386 	case F_NOTWRITE:
387 		dest = TOSTDOUT;
388 		fprintf(stdout, terse
389 			? "\"%s\" unwritable\n"
390 			: "File \"%s\" is unwritable\n",
391 			name);
392 		break;
393 	case F_NOTEXIST:
394 		dest = TOSTDOUT;
395 		fprintf(stdout, terse
396 			? "\"%s\" not found\n"
397 			: "Can't find file \"%s\" to insert error messages into.\n",
398 			name);
399 		break;
400 	default:
401 		dest = edit(name) ? TOSTDOUT : TOTHEFILE;
402 		break;
403 	}
404 	return(dest);
405 }
406 
407 void
408 diverterrors(name, dest, files, ix, previewed, nterrors)
409 	char	*name;
410 	int	dest;
411 	Eptr	**files;
412 	int	ix;
413 	boolean	previewed;
414 	int	nterrors;
415 {
416 	int	nerrors;
417 	Eptr	*erpp;
418 	Eptr	errorp;
419 
420 	nerrors = files[ix+1] - files[ix];
421 
422 	if (   (nerrors != nterrors)
423 	    && (!previewed) ){
424 		fprintf(stdout, terse
425 			? "Uninserted errors\n"
426 			: ">>Uninserted errors for file \"%s\" follow.\n",
427 			name);
428 	}
429 
430 	EITERATE(erpp, files, ix){
431 		errorp = *erpp;
432 		if (errorp->error_e_class != C_TRUE){
433 			if (previewed || touchstatus == Q_NO)
434 				continue;
435 			errorprint(stdout, errorp, TRUE);
436 			continue;
437 		}
438 		switch (dest){
439 		case TOSTDOUT:
440 			if (previewed || touchstatus == Q_NO)
441 				continue;
442 			errorprint(stdout,errorp, TRUE);
443 			break;
444 		case TOTHEFILE:
445 			insert(errorp->error_line);
446 			text(errorp, FALSE);
447 			break;
448 		}
449 	}
450 }
451 
452 int
453 oktotouch(filename)
454 	char	*filename;
455 {
456 	extern	char	*suffixlist;
457 	char	*src;
458 	char	*pat;
459 	char	*osrc;
460 
461 	pat = suffixlist;
462 	if (pat == 0)
463 		return(0);
464 	if (*pat == '*')
465 		return(1);
466 	while (*pat++ != '.')
467 		continue;
468 	--pat;		/* point to the period */
469 
470 	for (src = &filename[strlen(filename)], --src;
471 	     (src > filename) && (*src != '.'); --src)
472 		continue;
473 	if (*src != '.')
474 		return(0);
475 
476 	for (src++, pat++, osrc = src; *src && *pat; src = osrc, pat++){
477 		for (;   *src			/* not at end of the source */
478 		      && *pat			/* not off end of pattern */
479 		      && *pat != '.'		/* not off end of sub pattern */
480 		      && *pat != '*'		/* not wild card */
481 		      && *src == *pat;		/* and equal... */
482 		      src++, pat++)
483 			continue;
484 		if (*src == 0 && (*pat == 0 || *pat == '.' || *pat == '*'))
485 			return(1);
486 		if (*src != 0 && *pat == '*')
487 			return(1);
488 		while (*pat && *pat != '.')
489 			pat++;
490 		if (! *pat)
491 			return(0);
492 	}
493 	return(0);
494 }
495 
496 /*
497  *	Construct an execv argument
498  *	We need 1 argument for the editor's name
499  *	We need 1 argument for the initial search string
500  *	We need n_pissed_on arguments for the file names
501  *	We need 1 argument that is a null for execv.
502  *	The caller fills in the editor's name.
503  *	We fill in the initial search string.
504  *	We fill in the arguments, and the null.
505  */
506 void
507 execvarg(n_pissed_on, r_argc, r_argv)
508 	int	n_pissed_on;
509 	int	*r_argc;
510 	char	***r_argv;
511 {
512 	Eptr	p;
513 	char	*sep;
514 	int	fi;
515 
516 	sep = NULL;
517 	(*r_argv) = (char **)Calloc(n_pissed_on + 3, sizeof(char *));
518 	(*r_argc) =  n_pissed_on + 2;
519 	(*r_argv)[1] = "+1;/###/";
520 	n_pissed_on = 2;
521 	if (!terse){
522 		fprintf(stdout, "You touched file(s):");
523 		sep = " ";
524 	}
525 	FILEITERATE(fi, 1){
526 		if (!touchedfiles[fi])
527 			continue;
528 		p = *(files[fi]);
529 		if (!terse){
530 			fprintf(stdout,"%s\"%s\"", sep, p->error_text[0]);
531 			sep = ", ";
532 		}
533 		(*r_argv)[n_pissed_on++] = p->error_text[0];
534 	}
535 	if (!terse)
536 		fprintf(stdout, "\n");
537 	(*r_argv)[n_pissed_on] = 0;
538 }
539 
540 FILE	*o_touchedfile;	/* the old file */
541 FILE	*n_touchedfile;	/* the new file */
542 char	*o_name;
543 char	n_name[64];
544 char	*canon_name = _PATH_TMP;
545 int	o_lineno;
546 int	n_lineno;
547 boolean	tempfileopen = FALSE;
548 /*
549  *	open the file; guaranteed to be both readable and writable
550  *	Well, if it isn't, then return TRUE if something failed
551  */
552 boolean
553 edit(name)
554 	char	*name;
555 {
556 	int fd;
557 
558 	o_name = name;
559 	if ( (o_touchedfile = fopen(name, "r")) == NULL){
560 		fprintf(stderr, "%s: Can't open file \"%s\" to touch (read).\n",
561 			processname, name);
562 		return(TRUE);
563 	}
564 	(void)strcpy(n_name, canon_name);
565 	fd = -1;
566 	if ((fd = mkstemp(n_name)) == -1 ||
567 	    (n_touchedfile = fdopen(fd, "w")) == NULL) {
568 		if (fd != -1)
569 			close(fd);
570 		fprintf(stderr,"%s: Can't open file \"%s\" to touch (write).\n",
571 			processname, name);
572 		return(TRUE);
573 	}
574 	tempfileopen = TRUE;
575 	n_lineno = 0;
576 	o_lineno = 0;
577 	return(FALSE);
578 }
579 
580 /*
581  *	Position to the line (before, after) the line given by place
582  */
583 char	edbuf[BUFSIZ];
584 
585 void
586 insert(place)
587 	int	place;
588 {
589 	--place;	/* always insert messages before the offending line*/
590 	for(; o_lineno < place; o_lineno++, n_lineno++){
591 		if(fgets(edbuf, BUFSIZ, o_touchedfile) == NULL)
592 			return;
593 		fputs(edbuf, n_touchedfile);
594 	}
595 }
596 
597 void
598 text(p, use_all)
599 	Eptr	p;
600 	boolean	use_all;
601 {
602 	int	offset = use_all ? 0 : 2;
603 
604 	fputs(lang_table[p->error_language].lang_incomment, n_touchedfile);
605 	fprintf(n_touchedfile, "%d [%s] ",
606 		p->error_line,
607 		lang_table[p->error_language].lang_name);
608 	wordvprint(n_touchedfile, p->error_lgtext-offset, p->error_text+offset);
609 	fputs(lang_table[p->error_language].lang_outcomment,n_touchedfile);
610 	n_lineno++;
611 }
612 
613 /*
614  *	write the touched file to its temporary copy,
615  *	then bring the temporary in over the local file
616  */
617 boolean
618 writetouched(overwrite)
619 	int	overwrite;
620 {
621 	int	nread;
622 	FILE	*localfile;
623 	FILE	*tmpfile;
624 	int	botch;
625 	int	oktorm;
626 
627 	botch = 0;
628 	oktorm = 1;
629 	while ((nread = fread(edbuf, 1, sizeof(edbuf), o_touchedfile)) != 0) {
630 		if (nread != fwrite(edbuf, 1, nread, n_touchedfile)){
631 			/*
632 			 *	Catastrophe in temporary area: file system full?
633 			 */
634 			botch = 1;
635 			fprintf(stderr,
636 			  "%s: write failure: No errors inserted in \"%s\"\n",
637 			  processname, o_name);
638 		}
639 	}
640 	fclose(n_touchedfile);
641 	fclose(o_touchedfile);
642 	/*
643 	 *	Now, copy the temp file back over the original
644 	 *	file, thus preserving links, etc
645 	 */
646 	if (botch == 0 && overwrite){
647 		botch = 0;
648 		localfile = NULL;
649 		tmpfile = NULL;
650 		if ((localfile = fopen(o_name, "w")) == NULL){
651 			fprintf(stderr,
652 				"%s: Can't open file \"%s\" to overwrite.\n",
653 				processname, o_name);
654 			botch++;
655 		}
656 		if ((tmpfile = fopen(n_name, "r")) == NULL){
657 			fprintf(stderr, "%s: Can't open file \"%s\" to read.\n",
658 				processname, n_name);
659 			botch++;
660 		}
661 		if (!botch)
662 			oktorm = mustoverwrite(localfile, tmpfile);
663 		if (localfile != NULL)
664 			fclose(localfile);
665 		if (tmpfile != NULL)
666 			fclose(tmpfile);
667 	}
668 	if (oktorm == 0){
669 		fprintf(stderr, "%s: Catastrophe: A copy of \"%s\": was saved in \"%s\"\n",
670 			processname, o_name, n_name);
671 		exit(1);
672 	}
673 	/*
674 	 *	Kiss the temp file good bye
675 	 */
676 	unlink(n_name);
677 	tempfileopen = FALSE;
678 	return(TRUE);
679 }
680 
681 /*
682  *	return 1 if the tmpfile can be removed after writing it out
683  */
684 int
685 mustoverwrite(preciousfile, tmpfile)
686 	FILE	*preciousfile;
687 	FILE	*tmpfile;
688 {
689 	int	nread;
690 
691 	while ((nread = fread(edbuf, 1, sizeof(edbuf), tmpfile)) != 0) {
692 		if (mustwrite(edbuf, nread, preciousfile) == 0)
693 			return(0);
694 	}
695 	return(1);
696 }
697 /*
698  *	return 0 on catastrophe
699  */
700 int
701 mustwrite(base, n, preciousfile)
702 	char	*base;
703 	int	n;
704 	FILE	*preciousfile;
705 {
706 	int	nwrote;
707 
708 	if (n <= 0)
709 		return(1);
710 	nwrote = fwrite(base, 1, n, preciousfile);
711 	if (nwrote == n)
712 		return(1);
713 	perror(processname);
714 	switch(inquire(terse
715 	    ? "Botch overwriting: retry? "
716 	    : "Botch overwriting the source file: retry? ")){
717 	case Q_YES:
718 	case Q_yes:
719 		mustwrite(base + nwrote, n - nwrote, preciousfile);
720 		return(1);
721 	case Q_NO:
722 	case Q_no:
723 		switch(inquire("Are you sure? ")){
724 		case Q_YES:
725 		case Q_yes:
726 			return(0);
727 		case Q_NO:
728 		case Q_no:
729 			mustwrite(base + nwrote, n - nwrote, preciousfile);
730 			return(1);
731 		}
732 	default:
733 		return(0);
734 	}
735 }
736 
737 void
738 onintr(dummy)
739 	int dummy;
740 {
741 	switch(inquire(terse
742 	    ? "\nContinue? "
743 	    : "\nInterrupt: Do you want to continue? ")){
744 	case Q_YES:
745 	case Q_yes:
746 		signal(SIGINT, onintr);
747 		return;
748 	default:
749 		if (tempfileopen){
750 			/*
751 			 *	Don't overwrite the original file!
752 			 */
753 			writetouched(0);
754 		}
755 		exit(1);
756 	}
757 	/*NOTREACHED*/
758 }
759 
760 void
761 errorprint(place, errorp, print_all)
762 	FILE	*place;
763 	Eptr	errorp;
764 	boolean	print_all;
765 {
766 	int	offset = print_all ? 0 : 2;
767 
768 	if (errorp->error_e_class == C_IGNORE)
769 		return;
770 	fprintf(place, "[%s] ", lang_table[errorp->error_language].lang_name);
771 	wordvprint(place,errorp->error_lgtext-offset,errorp->error_text+offset);
772 	putc('\n', place);
773 }
774 
775 int
776 #if __STDC__
777 inquire(char *fmt, ...)
778 #else
779 inquire(fmt, va_alist)
780 	char	*fmt;
781 	va_dcl
782 #endif
783 {
784 	va_list ap;
785 	char	buffer[128];
786 
787 #if __STDC__
788 	va_start(ap, fmt);
789 #else
790 	va_start(ap);
791 #endif
792 
793 	if (queryfile == NULL)
794 		return(0);
795 	for(;;){
796 		do{
797 			fflush(stdout);
798 			vfprintf(stderr, fmt, ap);
799 			fflush(stderr);
800 		} while (fgets(buffer, 127, queryfile) == NULL);
801 		switch(buffer[0]){
802 		case 'Y':	return(Q_YES);
803 		case 'y':	return(Q_yes);
804 		case 'N':	return(Q_NO);
805 		case 'n':	return(Q_no);
806 		default:	fprintf(stderr, "Yes or No only!\n");
807 		}
808 	}
809 }
810 
811 int
812 probethisfile(name)
813 	char	*name;
814 {
815 	struct stat statbuf;
816 	if (stat(name, &statbuf) < 0)
817 		return(F_NOTEXIST);
818 	if((statbuf.st_mode & S_IREAD) == 0)
819 		return(F_NOTREAD);
820 	if((statbuf.st_mode & S_IWRITE) == 0)
821 		return(F_NOTWRITE);
822 	return(F_TOUCHIT);
823 }
824