/*      $NetBSD: main.c,v 1.26 2023/08/26 14:59:44 rillig Exp $ */

/*
* Copyright (c) 1980, 1993
*      The Regents of the University of California.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1980, 1993\
The Regents of the University of California.  All rights reserved.");
#endif /* not lint */

#ifndef lint
#if 0
static char sccsid[] = "@(#)main.c      8.1 (Berkeley) 6/6/93";
#endif
__RCSID("$NetBSD: main.c,v 1.26 2023/08/26 14:59:44 rillig Exp $");
#endif /* not lint */

#include <signal.h>
#include <unistd.h>
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <err.h>
#include "error.h"
#include "pathnames.h"

FILE *errorfile;     /* where error file comes from */
FILE *queryfile;     /* input for the query responses from the user */

int nignored;
char **names_ignored;

size_t filelevel = 0;
int nerrors = 0;
Eptr er_head;
static Eptr *errors;

int nfiles = 0;
Eptr **files;           /* array of pointers into errors*/
bool *touchedfiles;     /* which files we touched */
int language = INCC;

char default_currentfilename[] = "????";
char *currentfilename = default_currentfilename;

bool query = false;     /* query the operator if touch files */
bool terse = false;     /* Terse output */

static char im_on[] = _PATH_TTY;        /* my tty name */
static bool notouch = false;            /* don't touch ANY files */

const char *suffixlist = ".*";  /* initially, can touch any file */

static int errorsort(const void *, const void *);
static void forkvi(int, char **);
static void try(const char *, int, char **);
static void usage(void) __attribute__((__noreturn__));

int
main(int argc, char **argv)
{
       int c;
       char *ignorename = NULL;
       int ed_argc;
       char **ed_argv;         /* return from touchfiles */
       bool show_errors = false;
       bool Show_Errors = false;
       bool pr_summary = false;
       bool edit_files = false;

       setprogname(argv[0]);

       errorfile = stdin;
       while ((c = getopt(argc, argv, "I:np:qSsTt:v")) != -1)
               switch (c) {
               case 'I':       /*ignore file name*/
                       ignorename = optarg;
                       break;
               case 'n':
                       notouch = true;
                       break;
               case 'p':
                       filelevel = (size_t)strtol(optarg, NULL, 0);
                       break;
               case 'q':
                       query = true;
                       break;
               case 'S':
                       Show_Errors = true;
                       break;
               case 's':
                       pr_summary = true;
                       break;
               case 'T':
                       terse = true;
                       break;
               case 't':
                       suffixlist = optarg;
                       break;
               case 'v':
                       edit_files = true;
                       break;
               default:
                       usage();
               }

       argv += optind;
       argc -= optind;

       switch (argc) {
       case 0:
               break;
       case 1:
               if ((errorfile = fopen(argv[0], "r")) == NULL)
                       err(1, "Cannot open `%s' to read errors", argv[0]);
               break;
       default:
               usage();
       }

       if (notouch)
               suffixlist = NULL;


       if ((queryfile = fopen(im_on, "r")) == NULL) {
               if (query)
                       err(1, "Cannot open `%s' to query the user", im_on);
       }
       if (signal(SIGINT, onintr) == SIG_IGN)
               signal(SIGINT, SIG_IGN);
       if (signal(SIGTERM, onintr) == SIG_IGN)
               signal(SIGTERM, SIG_IGN);
       getignored(ignorename);
       eaterrors(&nerrors, &errors);
       if (Show_Errors)
               printerrors(true, nerrors, errors);
       qsort(errors, nerrors, sizeof(Eptr), errorsort);
       if (show_errors)
               printerrors(false, nerrors, errors);
       findfiles(nerrors, errors, &nfiles, &files);
#define P(msg, arg) fprintf(stdout, msg, arg)
       if (pr_summary) {
               if (nunknown > 0)
                       P("%d Errors are unclassifiable.\n", nunknown);
               if (nignore > 0)
                       P("%d Errors are classifiable, but totally "
                           "discarded.\n", nignore);
               if (nsyncerrors > 0)
                       P("%d Errors are synchronization errors.\n",
                           nsyncerrors);
               if (nignore > 0)
                       P("%d Errors are discarded because they refer to "
                           "sacrosinct files.\n", ndiscard);
               if (nnulled > 0)
                       P("%d Errors are nulled because they refer to specific "
                           "functions.\n", nnulled);
               if (nnonspec > 0)
                       P("%d Errors are not specific to any file.\n",
                           nnonspec);
               if (nthisfile > 0)
                       P("%d Errors are specific to a given file, but not "
                           "to a line.\n", nthisfile);
               if (ntrue > 0)
                       P("%d Errors are true errors, and can be inserted "
                           "into the files.\n", ntrue);
       }
       filenames(nfiles, files);
       fflush(stdout);
       if (touchfiles(nfiles, files, &ed_argc, &ed_argv) && edit_files)
               forkvi(ed_argc, ed_argv);
       return 0;
}

static void
forkvi(int argc, char **argv)
{
       if (query) {
               switch (inquire(terse
                   ? "Edit? "
                   : "Do you still want to edit the files you touched? ")) {
               case Q_error:
               case Q_NO:
               case Q_no:
                       return;
               default:
                       break;
               }
       }
       /*
        *      ed_argument's first argument is
        *      a vi/ex compatible search argument
        *      to find the first occurrence of ###
        */
       try("vi", argc, argv);
       try("ex", argc, argv);
       try("ed", argc-1, argv+1);
       fprintf(stdout, "Can't find any editors.\n");
}

static void
try(const char *name, int argc, char **argv)
{
       argv[0] = __UNCONST(name);
       wordvprint(stdout, argc, argv);
       fprintf(stdout, "\n");
       fflush(stderr);
       fflush(stdout);
       sleep(2);
       if (freopen(im_on, "r", stdin) == NULL)
               return;
       if (freopen(im_on, "w", stdout) == NULL)
               return;
       execvp(name, argv);
}

static int
errorsort(const void *x1, const void *x2)
{
       const Eptr *epp1 = x1;
       const Eptr *epp2 = x2;
       Eptr ep1, ep2;
       int order;

       /*
        * Sort by:
        *      1) synchronization, non specific, discarded errors first;
        *      2) nulled and true errors last
        *         a) grouped by similar file names
        *             1) grouped in ascending line number
        */
       ep1 = *epp1; ep2 = *epp2;
       if (ep1 == 0 || ep2 == 0)
               return 0;
       if (NOTSORTABLE(ep1->error_e_class) ^ NOTSORTABLE(ep2->error_e_class)) {
               return NOTSORTABLE(ep1->error_e_class) ? -1 : 1;
       }
       if (NOTSORTABLE(ep1->error_e_class))    /* then both are */
               return ep1->error_no - ep2->error_no;
       order = strcmp(ep1->error_text[0], ep2->error_text[0]);
       if (order == 0) {
               return ep1->error_line - ep2->error_line;
       }
       return order;
}

static void
usage(void)
{
       fprintf(stderr, "Usage: %s [-nqSsTv] [-I ignorefile] "
           "[-p filelevel] [-t suffixlist] [name]\n", getprogname());
       exit(1);
}

You are viewing proxied material from ftp.icm.edu.pl. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.