Annotation of src/usr.bin/error/main.c, Revision 1.1.1.1
1.1 deraadt 1: /* $NetBSD: main.c,v 1.3 1995/09/02 06:15:37 jtc 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: #ifndef lint
37: static char copyright[] =
38: "@(#) Copyright (c) 1980, 1993\n\
39: The Regents of the University of California. All rights reserved.\n";
40: #endif /* not lint */
41:
42: #ifndef lint
43: #if 0
44: static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";
45: #endif
46: static char rcsid[] = "$NetBSD: main.c,v 1.3 1995/09/02 06:15:37 jtc Exp $";
47: #endif /* not lint */
48:
49: #include <signal.h>
50: #include <unistd.h>
51: #include <stdio.h>
52: #include <ctype.h>
53: #include <stdlib.h>
54: #include <string.h>
55: #include "error.h"
56: #include "pathnames.h"
57:
58: int nerrors = 0;
59: Eptr er_head;
60: Eptr *errors;
61:
62: int nfiles = 0;
63: Eptr **files; /* array of pointers into errors*/
64: int language = INCC;
65:
66: char *currentfilename = "????";
67: char *processname;
68: char im_on[] = _PATH_TTY; /* my tty name */
69:
70: boolean query = FALSE; /* query the operator if touch files */
71: boolean notouch = FALSE; /* don't touch ANY files */
72: boolean piflag = FALSE; /* this is not pi */
73: boolean terse = FALSE; /* Terse output */
74:
75: char *suffixlist = ".*"; /* initially, can touch any file */
76:
77: int errorsort();
78: void onintr();
79: /*
80: * error [-I ignorename] [-n] [-q] [-t suffixlist] [-s] [-v] [infile]
81: *
82: * -T: terse output
83: *
84: * -I: the following name, `ignorename' contains a list of
85: * function names that are not to be treated as hard errors.
86: * Default: ~/.errorsrc
87: *
88: * -n: don't touch ANY files!
89: *
90: * -q: The user is to be queried before touching each
91: * file; if not specified, all files with hard, non
92: * ignorable errors are touched (assuming they can be).
93: *
94: * -t: touch only files ending with the list of suffices, each
95: * suffix preceded by a dot.
96: * eg, -t .c.y.l
97: * will touch only files ending with .c, .y or .l
98: *
99: * -s: print a summary of the error's categories.
100: *
101: * -v: after touching all files, overlay vi(1), ex(1) or ed(1)
102: * on top of error, entered in the first file with
103: * an error in it, with the appropriate editor
104: * set up to use the "next" command to get the other
105: * files containing errors.
106: *
107: * -p: (obsolete: for older versions of pi without bug
108: * fix regarding printing out the name of the main file
109: * with an error in it)
110: * Take the following argument and use it as the name of
111: * the pascal source file, suffix .p
112: *
113: * -E: show the errors in sorted order; intended for
114: * debugging.
115: *
116: * -S: show the errors in unsorted order
117: * (as they come from the error file)
118: *
119: * infile: The error messages come from this file.
120: * Default: stdin
121: */
122: main(argc, argv)
123: int argc;
124: char *argv[];
125: {
126: char *cp;
127: char *ignorename = 0;
128: int ed_argc;
129: char **ed_argv; /*return from touchfiles*/
130: boolean show_errors = FALSE;
131: boolean Show_Errors = FALSE;
132: boolean pr_summary = FALSE;
133: boolean edit_files = FALSE;
134:
135: processname = argv[0];
136:
137: errorfile = stdin;
138: if (argc > 1) for(; (argc > 1) && (argv[1][0] == '-'); argc--, argv++){
139: for (cp = argv[1] + 1; *cp; cp++) switch(*cp){
140: default:
141: fprintf(stderr, "%s: -%c: Unknown flag\n",
142: processname, *cp);
143: break;
144:
145: case 'n': notouch = TRUE; break;
146: case 'q': query = TRUE; break;
147: case 'S': Show_Errors = TRUE; break;
148: case 's': pr_summary = TRUE; break;
149: case 'v': edit_files = TRUE; break;
150: case 'T': terse = TRUE; break;
151: case 't':
152: *cp-- = 0; argv++; argc--;
153: if (argc > 1){
154: suffixlist = argv[1];
155: }
156: break;
157: case 'I': /*ignore file name*/
158: *cp-- = 0; argv++; argc--;
159: if (argc > 1)
160: ignorename = argv[1];
161: break;
162: }
163: }
164: if (notouch)
165: suffixlist = 0;
166: if (argc > 1){
167: if (argc > 3){
168: fprintf(stderr, "%s: Only takes 0 or 1 arguments\n",
169: processname);
170: exit(3);
171: }
172: if ( (errorfile = fopen(argv[1], "r")) == NULL){
173: fprintf(stderr, "%s: %s: No such file or directory for reading errors.\n",
174: processname, argv[1]);
175: exit(4);
176: }
177: }
178: if ( (queryfile = fopen(im_on, "r")) == NULL){
179: if (query){
180: fprintf(stderr,
181: "%s: Can't open \"%s\" to query the user.\n",
182: processname, im_on);
183: exit(9);
184: }
185: }
186: if (signal(SIGINT, onintr) == SIG_IGN)
187: signal(SIGINT, SIG_IGN);
188: if (signal(SIGTERM, onintr) == SIG_IGN)
189: signal(SIGTERM, SIG_IGN);
190: getignored(ignorename);
191: eaterrors(&nerrors, &errors);
192: if (Show_Errors)
193: printerrors(TRUE, nerrors, errors);
194: qsort(errors, nerrors, sizeof(Eptr), errorsort);
195: if (show_errors)
196: printerrors(FALSE, nerrors, errors);
197: findfiles(nerrors, errors, &nfiles, &files);
198: #define P(msg, arg) fprintf(stdout, msg, arg)
199: if (pr_summary){
200: if (nunknown)
201: P("%d Errors are unclassifiable.\n", nunknown);
202: if (nignore)
203: P("%d Errors are classifiable, but totally discarded.\n",nignore);
204: if (nsyncerrors)
205: P("%d Errors are synchronization errors.\n", nsyncerrors);
206: if (nignore)
207: P("%d Errors are discarded because they refer to sacrosinct files.\n", ndiscard);
208: if (nnulled)
209: P("%d Errors are nulled because they refer to specific functions.\n", nnulled);
210: if (nnonspec)
211: P("%d Errors are not specific to any file.\n", nnonspec);
212: if (nthisfile)
213: P("%d Errors are specific to a given file, but not to a line.\n", nthisfile);
214: if (ntrue)
215: P("%d Errors are true errors, and can be inserted into the files.\n", ntrue);
216: }
217: filenames(nfiles, files);
218: fflush(stdout);
219: if (touchfiles(nfiles, files, &ed_argc, &ed_argv) && edit_files)
220: forkvi(ed_argc, ed_argv);
221: }
222:
223: forkvi(argc, argv)
224: int argc;
225: char **argv;
226: {
227: if (query){
228: switch(inquire(terse
229: ? "Edit? "
230: : "Do you still want to edit the files you touched? ")){
231: case Q_NO:
232: case Q_no:
233: return;
234: default:
235: break;
236: }
237: }
238: /*
239: * ed_agument's first argument is
240: * a vi/ex compatabile search argument
241: * to find the first occurance of ###
242: */
243: try("vi", argc, argv);
244: try("ex", argc, argv);
245: try("ed", argc-1, argv+1);
246: fprintf(stdout, "Can't find any editors.\n");
247: }
248:
249: try(name, argc, argv)
250: char *name;
251: int argc;
252: char **argv;
253: {
254: argv[0] = name;
255: wordvprint(stdout, argc, argv);
256: fprintf(stdout, "\n");
257: fflush(stderr);
258: fflush(stdout);
259: sleep(2);
260: if (freopen(im_on, "r", stdin) == NULL)
261: return;
262: if (freopen(im_on, "w", stdout) == NULL)
263: return;
264: execvp(name, argv);
265: }
266:
267: int errorsort(epp1, epp2)
268: Eptr *epp1, *epp2;
269: {
270: reg Eptr ep1, ep2;
271: int order;
272: /*
273: * Sort by:
274: * 1) synchronization, non specific, discarded errors first;
275: * 2) nulled and true errors last
276: * a) grouped by similar file names
277: * 1) grouped in ascending line number
278: */
279: ep1 = *epp1; ep2 = *epp2;
280: if (ep1 == 0 || ep2 == 0)
281: return(0);
282: if ( (NOTSORTABLE(ep1->error_e_class)) ^ (NOTSORTABLE(ep2->error_e_class))){
283: return(NOTSORTABLE(ep1->error_e_class) ? -1 : 1);
284: }
285: if (NOTSORTABLE(ep1->error_e_class)) /* then both are */
286: return(ep1->error_no - ep2->error_no);
287: order = strcmp(ep1->error_text[0], ep2->error_text[0]);
288: if (order == 0){
289: return(ep1->error_line - ep2->error_line);
290: }
291: return(order);
292: }