1 /* Auxiliary program to test a DFA code path that cannot be triggered
3 Copyright 2014-2016 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
27 #include <localeinfo.h>
29 #include "getprogname.h"
32 dfaerror (char const *mesg)
34 printf ("dfaerror: %s\n", mesg);
39 dfawarn (char const *mesg)
41 printf ("dfawarn: %s\n", mesg);
46 main (int argc, char **argv)
51 struct localeinfo localeinfo;
56 setlocale (LC_ALL, "");
57 init_localeinfo (&localeinfo);
60 dfasyntax (dfa, &localeinfo, RE_SYNTAX_GREP | RE_NO_EMPTY_RANGES, 0);
61 dfacomp (argv[1], strlen (argv[1]), dfa, 0);
64 end = argv[2] + strlen (argv[2]);
65 allow_nl = argc > 3 && atoi (argv[3]);
67 p = dfaexec (dfa, beg, end, allow_nl, NULL, NULL);
70 printf ("%zd\n", p - beg);