1 /* $NetBSD: main.c,v 1.26 2023/08/26 14:59:44 rillig 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __COPYRIGHT("@(#) Copyright (c) 1980, 1993\ 35 The Regents of the University of California. All rights reserved."); 36 #endif /* not lint */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93"; 41 #endif 42 __RCSID("$NetBSD: main.c,v 1.26 2023/08/26 14:59:44 rillig Exp $"); 43 #endif /* not lint */ 44 45 #include <signal.h> 46 #include <unistd.h> 47 #include <stdio.h> 48 #include <ctype.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <err.h> 52 #include "error.h" 53 #include "pathnames.h" 54 55 FILE *errorfile; /* where error file comes from */ 56 FILE *queryfile; /* input for the query responses from the user */ 57 58 int nignored; 59 char **names_ignored; 60 61 size_t filelevel = 0; 62 int nerrors = 0; 63 Eptr er_head; 64 static Eptr *errors; 65 66 int nfiles = 0; 67 Eptr **files; /* array of pointers into errors*/ 68 bool *touchedfiles; /* which files we touched */ 69 int language = INCC; 70 71 char default_currentfilename[] = "????"; 72 char *currentfilename = default_currentfilename; 73 74 bool query = false; /* query the operator if touch files */ 75 bool terse = false; /* Terse output */ 76 77 static char im_on[] = _PATH_TTY; /* my tty name */ 78 static bool notouch = false; /* don't touch ANY files */ 79 80 const char *suffixlist = ".*"; /* initially, can touch any file */ 81 82 static int errorsort(const void *, const void *); 83 static void forkvi(int, char **); 84 static void try(const char *, int, char **); 85 static void usage(void) __attribute__((__noreturn__)); 86 87 int 88 main(int argc, char **argv) 89 { 90 int c; 91 char *ignorename = NULL; 92 int ed_argc; 93 char **ed_argv; /* return from touchfiles */ 94 bool show_errors = false; 95 bool Show_Errors = false; 96 bool pr_summary = false; 97 bool edit_files = false; 98 99 setprogname(argv[0]); 100 101 errorfile = stdin; 102 while ((c = getopt(argc, argv, "I:np:qSsTt:v")) != -1) 103 switch (c) { 104 case 'I': /*ignore file name*/ 105 ignorename = optarg; 106 break; 107 case 'n': 108 notouch = true; 109 break; 110 case 'p': 111 filelevel = (size_t)strtol(optarg, NULL, 0); 112 break; 113 case 'q': 114 query = true; 115 break; 116 case 'S': 117 Show_Errors = true; 118 break; 119 case 's': 120 pr_summary = true; 121 break; 122 case 'T': 123 terse = true; 124 break; 125 case 't': 126 suffixlist = optarg; 127 break; 128 case 'v': 129 edit_files = true; 130 break; 131 default: 132 usage(); 133 } 134 135 argv += optind; 136 argc -= optind; 137 138 switch (argc) { 139 case 0: 140 break; 141 case 1: 142 if ((errorfile = fopen(argv[0], "r")) == NULL) 143 err(1, "Cannot open `%s' to read errors", argv[0]); 144 break; 145 default: 146 usage(); 147 } 148 149 if (notouch) 150 suffixlist = NULL; 151 152 153 if ((queryfile = fopen(im_on, "r")) == NULL) { 154 if (query) 155 err(1, "Cannot open `%s' to query the user", im_on); 156 } 157 if (signal(SIGINT, onintr) == SIG_IGN) 158 signal(SIGINT, SIG_IGN); 159 if (signal(SIGTERM, onintr) == SIG_IGN) 160 signal(SIGTERM, SIG_IGN); 161 getignored(ignorename); 162 eaterrors(&nerrors, &errors); 163 if (Show_Errors) 164 printerrors(true, nerrors, errors); 165 qsort(errors, nerrors, sizeof(Eptr), errorsort); 166 if (show_errors) 167 printerrors(false, nerrors, errors); 168 findfiles(nerrors, errors, &nfiles, &files); 169 #define P(msg, arg) fprintf(stdout, msg, arg) 170 if (pr_summary) { 171 if (nunknown > 0) 172 P("%d Errors are unclassifiable.\n", nunknown); 173 if (nignore > 0) 174 P("%d Errors are classifiable, but totally " 175 "discarded.\n", nignore); 176 if (nsyncerrors > 0) 177 P("%d Errors are synchronization errors.\n", 178 nsyncerrors); 179 if (nignore > 0) 180 P("%d Errors are discarded because they refer to " 181 "sacrosinct files.\n", ndiscard); 182 if (nnulled > 0) 183 P("%d Errors are nulled because they refer to specific " 184 "functions.\n", nnulled); 185 if (nnonspec > 0) 186 P("%d Errors are not specific to any file.\n", 187 nnonspec); 188 if (nthisfile > 0) 189 P("%d Errors are specific to a given file, but not " 190 "to a line.\n", nthisfile); 191 if (ntrue > 0) 192 P("%d Errors are true errors, and can be inserted " 193 "into the files.\n", ntrue); 194 } 195 filenames(nfiles, files); 196 fflush(stdout); 197 if (touchfiles(nfiles, files, &ed_argc, &ed_argv) && edit_files) 198 forkvi(ed_argc, ed_argv); 199 return 0; 200 } 201 202 static void 203 forkvi(int argc, char **argv) 204 { 205 if (query) { 206 switch (inquire(terse 207 ? "Edit? " 208 : "Do you still want to edit the files you touched? ")) { 209 case Q_error: 210 case Q_NO: 211 case Q_no: 212 return; 213 default: 214 break; 215 } 216 } 217 /* 218 * ed_argument's first argument is 219 * a vi/ex compatible search argument 220 * to find the first occurrence of ### 221 */ 222 try("vi", argc, argv); 223 try("ex", argc, argv); 224 try("ed", argc-1, argv+1); 225 fprintf(stdout, "Can't find any editors.\n"); 226 } 227 228 static void 229 try(const char *name, int argc, char **argv) 230 { 231 argv[0] = __UNCONST(name); 232 wordvprint(stdout, argc, argv); 233 fprintf(stdout, "\n"); 234 fflush(stderr); 235 fflush(stdout); 236 sleep(2); 237 if (freopen(im_on, "r", stdin) == NULL) 238 return; 239 if (freopen(im_on, "w", stdout) == NULL) 240 return; 241 execvp(name, argv); 242 } 243 244 static int 245 errorsort(const void *x1, const void *x2) 246 { 247 const Eptr *epp1 = x1; 248 const Eptr *epp2 = x2; 249 Eptr ep1, ep2; 250 int order; 251 252 /* 253 * Sort by: 254 * 1) synchronization, non specific, discarded errors first; 255 * 2) nulled and true errors last 256 * a) grouped by similar file names 257 * 1) grouped in ascending line number 258 */ 259 ep1 = *epp1; ep2 = *epp2; 260 if (ep1 == 0 || ep2 == 0) 261 return 0; 262 if (NOTSORTABLE(ep1->error_e_class) ^ NOTSORTABLE(ep2->error_e_class)) { 263 return NOTSORTABLE(ep1->error_e_class) ? -1 : 1; 264 } 265 if (NOTSORTABLE(ep1->error_e_class)) /* then both are */ 266 return ep1->error_no - ep2->error_no; 267 order = strcmp(ep1->error_text[0], ep2->error_text[0]); 268 if (order == 0) { 269 return ep1->error_line - ep2->error_line; 270 } 271 return order; 272 } 273 274 static void 275 usage(void) 276 { 277 fprintf(stderr, "Usage: %s [-nqSsTv] [-I ignorefile] " 278 "[-p filelevel] [-t suffixlist] [name]\n", getprogname()); 279 exit(1); 280 } 281
Indexes created Sun Sep 21 16:09:51 GMT 2025