diff options
Diffstat (limited to 'usr.bin/grep/grep.h')
| -rw-r--r-- | usr.bin/grep/grep.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/usr.bin/grep/grep.h b/usr.bin/grep/grep.h new file mode 100644 index 000000000000..211fe1ae75c8 --- /dev/null +++ b/usr.bin/grep/grep.h @@ -0,0 +1,159 @@ +/* $NetBSD: grep.h,v 1.5 2011/02/27 17:33:37 joerg Exp $ */ +/* $OpenBSD: grep.h,v 1.15 2010/04/05 03:03:55 tedu Exp $ */ + +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 1999 James Howard and Dag-Erling Smørgrav + * Copyright (c) 2008-2009 Gabor Kovesdan <gabor@FreeBSD.org> + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <bzlib.h> +#include <limits.h> +#include <regex.h> +#include <stdbool.h> +#include <stdio.h> +#include <zlib.h> + +extern const char *errstr[]; + +#define VERSION "2.6.0-FreeBSD" + +#define GREP_FIXED 0 +#define GREP_BASIC 1 +#define GREP_EXTENDED 2 + +#if !defined(REG_NOSPEC) && !defined(REG_LITERAL) +#define WITH_INTERNAL_NOSPEC +#endif + +#define BINFILE_BIN 0 +#define BINFILE_SKIP 1 +#define BINFILE_TEXT 2 + +#define FILE_STDIO 0 +#define FILE_MMAP 1 + +#define DIR_READ 0 +#define DIR_SKIP 1 +#define DIR_RECURSE 2 + +#define DEV_READ 0 +#define DEV_SKIP 1 + +#define LINK_READ 0 +#define LINK_EXPLICIT 1 +#define LINK_SKIP 2 + +#define EXCL_PAT 0 +#define INCL_PAT 1 + +#define MAX_MATCHES 32 + +struct file { + int fd; + bool binary; +}; + +struct str { + off_t boff; + off_t off; + size_t len; + char *dat; + char *file; + int line_no; +}; + +struct pat { + char *pat; + int len; +}; + +struct epat { + char *pat; + int mode; +}; + +/* + * Parsing context; used to hold things like matches made and + * other useful bits + */ +struct parsec { + regmatch_t matches[MAX_MATCHES]; /* Matches made */ + /* XXX TODO: This should be a chunk, not a line */ + struct str ln; /* Current line */ + size_t lnstart; /* Position in line */ + size_t matchidx; /* Latest match index */ + int printed; /* Metadata printed? */ + bool binary; /* Binary file? */ + bool cntlines; /* Count lines? */ +}; + +/* Flags passed to regcomp() and regexec() */ +extern int cflags, eflags; + +/* Command line flags */ +extern bool Eflag, Fflag, Gflag, Hflag, Lflag, + bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, + qflag, sflag, vflag, wflag, xflag; +extern bool dexclude, dinclude, fexclude, finclude, lbflag, nullflag; +extern long long Aflag, Bflag; +extern long long mcount; +extern long long mlimit; +extern char fileeol; +extern char *label; +extern const char *color; +extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave; + +extern bool file_err, matchall; +extern unsigned int dpatterns, fpatterns, patterns; +extern struct pat *pattern; +extern struct epat *dpattern, *fpattern; +extern regex_t *er_pattern, *r_pattern; + +/* For regex errors */ +#define RE_ERROR_BUF 512 +extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ + +/* util.c */ +bool file_matching(const char *fname); +bool procfile(const char *fn); +bool grep_tree(char **argv); +void *grep_malloc(size_t size); +void *grep_calloc(size_t nmemb, size_t size); +void *grep_realloc(void *ptr, size_t size); +char *grep_strdup(const char *str); +void grep_printline(struct str *line, int sep); + +/* queue.c */ +void initqueue(void); +bool enqueue(struct str *x); +void printqueue(void); +void clearqueue(void); + +/* file.c */ +void grep_close(struct file *f); +struct file *grep_open(const char *path); +char *grep_fgetln(struct file *f, struct parsec *pc); |