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Diffstat (limited to 'usr.bin/grep/grep.h')
| -rw-r--r-- | usr.bin/grep/grep.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/usr.bin/grep/grep.h b/usr.bin/grep/grep.h new file mode 100644 index 0000000..731bbcc --- /dev/null +++ b/usr.bin/grep/grep.h @@ -0,0 +1,129 @@ +/* $OpenBSD: grep.h,v 1.28 2021/03/10 21:55:22 millert Exp $ */ + +/*- + * Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav + * 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 <sys/types.h> +#include <sys/stat.h> + +#include <limits.h> +#include <regex.h> +#include <stdint.h> +#include <stdio.h> +#include <zlib.h> + +#define VER_MAJ 0 +#define VER_MIN 9 + +#define BIN_FILE_BIN 0 +#define BIN_FILE_SKIP 1 +#define BIN_FILE_TEXT 2 + +typedef struct { + size_t len; + long long line_no; + off_t off; + char *file; + char *dat; +} str_t; + +typedef struct { + unsigned char *pattern; + int patternLen; + int qsBc[UCHAR_MAX + 1]; + /* flags */ + int bol; + int eol; + int wmatch; + int reversedSearch; +} fastgrep_t; + +/* Flags passed to regcomp() and regexec() */ +extern int cflags, eflags; + +/* Command line flags */ +extern int Aflag, Bflag, Eflag, Fflag, Hflag, Lflag, + Rflag, Zflag, + bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, qflag, + sflag, vflag, wflag, xflag; +extern int binbehave; +extern const char *labelname; + +extern int first, matchall, patterns, tail, file_err; +extern char **pattern; +extern fastgrep_t *fg_pattern; +extern regex_t *r_pattern; + +/* For -m max-count */ +extern long long mcount, mlimit; + +/* For regex errors */ +#define RE_ERROR_BUF 512 +extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ + +/* util.c */ +int procfile(char *fn); +int 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); +void *grep_reallocarray(void *ptr, size_t nmemb, size_t size); +void printline(str_t *line, int sep, regmatch_t *pmatch); +int fastcomp(fastgrep_t *, const char *); +void fgrepcomp(fastgrep_t *, const unsigned char *); + +/* queue.c */ +void initqueue(void); +void enqueue(str_t *x); +void printqueue(void); +void clearqueue(void); + +/* mmfile.c */ +typedef struct mmfile { + int fd; + size_t len; + char *base, *end, *ptr; +} mmf_t; + +mmf_t *mmopen(int fd, struct stat *sb); +void mmclose(mmf_t *mmf); +char *mmfgetln(mmf_t *mmf, size_t *l); + +/* file.c */ +struct file; +typedef struct file file_t; + +file_t *grep_fdopen(int fd); +file_t *grep_open(char *path); +int grep_bin_file(file_t *f); +char *grep_fgetln(file_t *f, size_t *l); +void grep_close(file_t *f); + +/* binary.c */ +int bin_file(FILE * f); +int gzbin_file(gzFile f); +int mmbin_file(mmf_t *f); + |