1 /* grep.h - interface to grep driver for searching subroutines. 2 Copyright (C) 1992, 1998, 2001, 2007, 2009-2015 Free Software Foundation, 3 Inc. 4 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) 8 any later version. 9 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. 14 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 18 02110-1301, USA. */ 19 20 #ifndef GREP_GREP_H 21 #define GREP_GREP_H 1 22 23 #include <stdbool.h> 24 25 /* The following flags are exported from grep for the matchers 26 to look at. */ 27 extern bool match_icase; /* -i */ 28 extern bool match_words; /* -w */ 29 extern bool match_lines; /* -x */ 30 extern char eolbyte; /* -z */ 31 32 /* An enum textbin describes the file's type, inferred from data read 33 before the first line is selected for output. */ 34 enum textbin 35 { 36 /* Binary, as it contains null bytes and the -z option is not in effect, 37 or it contains encoding errors. */ 38 TEXTBIN_BINARY = -1, 39 40 /* Not known yet. Only text has been seen so far. */ 41 TEXTBIN_UNKNOWN = 0, 42 43 /* Text. */ 44 TEXTBIN_TEXT = 1 45 }; 46 47 /* Input file type. */ 48 extern enum textbin input_textbin; 49 50 #endif 51