Annotation of src/usr.bin/error/main.c, Revision 1.2
1.2 ! deraadt 1: /* $OpenBSD: main.c,v 1.3 1995/09/02 06:15:37 jtc Exp $ */
1.1 deraadt 2: /* $NetBSD: main.c,v 1.3 1995/09/02 06:15:37 jtc Exp $ */
3:
4: /*
5: * Copyright (c) 1980, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: static char copyright[] =
39: "@(#) Copyright (c) 1980, 1993\n\
40: The Regents of the University of California. All rights reserved.\n";
41: #endif /* not lint */
42:
43: #ifndef lint
44: #if 0
45: static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";
46: #endif
1.2 ! deraadt 47: static char rcsid[] = "$OpenBSD: main.c,v 1.3 1995/09/02 06:15:37 jtc Exp $";
1.1 deraadt 48: #endif /* not lint */
49:
50: #include <signal.h>
51: #include <unistd.h>
52: #include <stdio.h>
53: #include <ctype.h>
54: #include <stdlib.h>
55: #include <string.h>
56: #include "error.h"
57: #include "pathnames.h"
58:
59: int nerrors = 0;
60: Eptr er_head;
61: Eptr *errors;
62:
63: int nfiles = 0;
64: Eptr **files; /* array of pointers into errors*/
65: int language = INCC;
66:
67: char *currentfilename = "????";
68: char *processname;
69: char im_on[] = _PATH_TTY; /* my tty name */
70:
71: boolean query = FALSE; /* query the operator if touch files */
72: boolean notouch = FALSE; /* don't touch ANY files */
73: boolean piflag = FALSE; /* this is not pi */
74: boolean terse = FALSE; /* Terse output */
75:
76: char *suffixlist = ".*"; /* initially, can touch any file */
77:
78: int errorsort();
79: void onintr();
80: /*
81: * error [-I ignorename] [-n] [-q] [-t suffixlist] [-s] [-v] [infile]
82: *
83: * -T: terse output
84: *
85: * -I: the following name, `ignorename' contains a list of
86: * function names that are not to be treated as hard errors.
87: * Default: ~/.errorsrc
88: *
89: * -n: don't touch ANY files!
90: *
91: * -q: The user is to be queried before touching each
92: * file; if not specified, all files with hard, non
93: * ignorable errors are touched (assuming they can be).
94: *
95: * -t: touch only files ending with the list of suffices, each
96: * suffix preceded by a dot.
97: * eg, -t .c.y.l
98: * will touch only files ending with .c, .y or .l
99: *
100: * -s: print a summary of the error's categories.
101: *
102: * -v: after touching all files, overlay vi(1), ex(1) or ed(1)
103: * on top of error, entered in the first file with
104: * an error in it, with the appropriate editor
105: * set up to use the "next" command to get the other
106: * files containing errors.
107: *
108: * -p: (obsolete: for older versions of pi without bug
109: * fix regarding printing out the name of the main file
110: * with an error in it)
111: * Take the following argument and use it as the name of
112: * the pascal source file, suffix .p
113: *
114: * -E: show the errors in sorted order; intended for
115: * debugging.
116: *
117: * -S: show the errors in unsorted order
118: * (as they come from the error file)
119: *
120: * infile: The error messages come from this file.
121: * Default: stdin
122: */
123: main(argc, argv)
124: int argc;
125: char *argv[];
126: {
127: char *cp;
128: char *ignorename = 0;
129: int ed_argc;
130: char **ed_argv; /*return from touchfiles*/
131: boolean show_errors = FALSE;
132: boolean Show_Errors = FALSE;
133: boolean pr_summary = FALSE;
134: boolean edit_files = FALSE;
135:
136: processname = argv[0];
137:
138: errorfile = stdin;
139: if (argc > 1) for(; (argc > 1) && (argv[1][0] == '-'); argc--, argv++){
140: for (cp = argv[1] + 1; *cp; cp++) switch(*cp){
141: default:
142: fprintf(stderr, "%s: -%c: Unknown flag\n",
143: processname, *cp);
144: break;
145:
146: case 'n': notouch = TRUE; break;
147: case 'q': query = TRUE; break;
148: case 'S': Show_Errors = TRUE; break;
149: case 's': pr_summary = TRUE; break;
150: case 'v': edit_files = TRUE; break;
151: case 'T': terse = TRUE; break;
152: case 't':
153: *cp-- = 0; argv++; argc--;
154: if (argc > 1){
155: suffixlist = argv[1];
156: }
157: break;
158: case 'I': /*ignore file name*/
159: *cp-- = 0; argv++; argc--;
160: if (argc > 1)
161: ignorename = argv[1];
162: break;
163: }
164: }
165: if (notouch)
166: suffixlist = 0;
167: if (argc > 1){
168: if (argc > 3){
169: fprintf(stderr, "%s: Only takes 0 or 1 arguments\n",
170: processname);
171: exit(3);
172: }
173: if ( (errorfile = fopen(argv[1], "r")) == NULL){
174: fprintf(stderr, "%s: %s: No such file or directory for reading errors.\n",
175: processname, argv[1]);
176: exit(4);
177: }
178: }
179: if ( (queryfile = fopen(im_on, "r")) == NULL){
180: if (query){
181: fprintf(stderr,
182: "%s: Can't open \"%s\" to query the user.\n",
183: processname, im_on);
184: exit(9);
185: }
186: }
187: if (signal(SIGINT, onintr) == SIG_IGN)
188: signal(SIGINT, SIG_IGN);
189: if (signal(SIGTERM, onintr) == SIG_IGN)
190: signal(SIGTERM, SIG_IGN);
191: getignored(ignorename);
192: eaterrors(&nerrors, &errors);
193: if (Show_Errors)
194: printerrors(TRUE, nerrors, errors);
195: qsort(errors, nerrors, sizeof(Eptr), errorsort);
196: if (show_errors)
197: printerrors(FALSE, nerrors, errors);
198: findfiles(nerrors, errors, &nfiles, &files);
199: #define P(msg, arg) fprintf(stdout, msg, arg)
200: if (pr_summary){
201: if (nunknown)
202: P("%d Errors are unclassifiable.\n", nunknown);
203: if (nignore)
204: P("%d Errors are classifiable, but totally discarded.\n",nignore);
205: if (nsyncerrors)
206: P("%d Errors are synchronization errors.\n", nsyncerrors);
207: if (nignore)
208: P("%d Errors are discarded because they refer to sacrosinct files.\n", ndiscard);
209: if (nnulled)
210: P("%d Errors are nulled because they refer to specific functions.\n", nnulled);
211: if (nnonspec)
212: P("%d Errors are not specific to any file.\n", nnonspec);
213: if (nthisfile)
214: P("%d Errors are specific to a given file, but not to a line.\n", nthisfile);
215: if (ntrue)
216: P("%d Errors are true errors, and can be inserted into the files.\n", ntrue);
217: }
218: filenames(nfiles, files);
219: fflush(stdout);
220: if (touchfiles(nfiles, files, &ed_argc, &ed_argv) && edit_files)
221: forkvi(ed_argc, ed_argv);
222: }
223:
224: forkvi(argc, argv)
225: int argc;
226: char **argv;
227: {
228: if (query){
229: switch(inquire(terse
230: ? "Edit? "
231: : "Do you still want to edit the files you touched? ")){
232: case Q_NO:
233: case Q_no:
234: return;
235: default:
236: break;
237: }
238: }
239: /*
240: * ed_agument's first argument is
241: * a vi/ex compatabile search argument
242: * to find the first occurance of ###
243: */
244: try("vi", argc, argv);
245: try("ex", argc, argv);
246: try("ed", argc-1, argv+1);
247: fprintf(stdout, "Can't find any editors.\n");
248: }
249:
250: try(name, argc, argv)
251: char *name;
252: int argc;
253: char **argv;
254: {
255: argv[0] = name;
256: wordvprint(stdout, argc, argv);
257: fprintf(stdout, "\n");
258: fflush(stderr);
259: fflush(stdout);
260: sleep(2);
261: if (freopen(im_on, "r", stdin) == NULL)
262: return;
263: if (freopen(im_on, "w", stdout) == NULL)
264: return;
265: execvp(name, argv);
266: }
267:
268: int errorsort(epp1, epp2)
269: Eptr *epp1, *epp2;
270: {
271: reg Eptr ep1, ep2;
272: int order;
273: /*
274: * Sort by:
275: * 1) synchronization, non specific, discarded errors first;
276: * 2) nulled and true errors last
277: * a) grouped by similar file names
278: * 1) grouped in ascending line number
279: */
280: ep1 = *epp1; ep2 = *epp2;
281: if (ep1 == 0 || ep2 == 0)
282: return(0);
283: if ( (NOTSORTABLE(ep1->error_e_class)) ^ (NOTSORTABLE(ep2->error_e_class))){
284: return(NOTSORTABLE(ep1->error_e_class) ? -1 : 1);
285: }
286: if (NOTSORTABLE(ep1->error_e_class)) /* then both are */
287: return(ep1->error_no - ep2->error_no);
288: order = strcmp(ep1->error_text[0], ep2->error_text[0]);
289: if (order == 0){
290: return(ep1->error_line - ep2->error_line);
291: }
292: return(order);
293: }
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