Annotation of src/usr.bin/grep/grep.h, Revision 1.27
1.27 ! tedu 1: /* $OpenBSD: grep.h,v 1.26 2019/01/23 23:00:54 tedu Exp $ */
1.2 deraadt 2:
1.1 deraadt 3: /*-
4: * Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26: * SUCH DAMAGE.
27: */
28:
29: #include <sys/types.h>
1.26 tedu 30: #include <sys/stat.h>
1.1 deraadt 31:
1.22 millert 32: #include <limits.h>
1.1 deraadt 33: #include <regex.h>
1.22 millert 34: #include <stdint.h>
1.1 deraadt 35: #include <stdio.h>
36: #include <zlib.h>
37:
38: #define VER_MAJ 0
39: #define VER_MIN 9
40:
1.3 tedu 41: #define BIN_FILE_BIN 0
42: #define BIN_FILE_SKIP 1
43: #define BIN_FILE_TEXT 2
44:
1.1 deraadt 45: typedef struct {
46: size_t len;
1.24 mmcc 47: long long line_no;
1.9 otto 48: off_t off;
1.1 deraadt 49: char *file;
50: char *dat;
51: } str_t;
52:
1.4 tedu 53: typedef struct {
54: unsigned char *pattern;
55: int patternLen;
56: int qsBc[UCHAR_MAX + 1];
57: /* flags */
58: int bol;
59: int eol;
1.10 millert 60: int wmatch;
1.4 tedu 61: int reversedSearch;
62: } fastgrep_t;
63:
1.1 deraadt 64: /* Flags passed to regcomp() and regexec() */
65: extern int cflags, eflags;
66:
67: /* Command line flags */
1.21 tedu 68: extern int Aflag, Bflag, Eflag, Fflag, Hflag, Lflag,
1.15 tedu 69: Rflag, Zflag,
1.25 pirofti 70: bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, qflag,
71: sflag, vflag, wflag, xflag;
1.12 otto 72: extern int binbehave;
1.27 ! tedu 73: extern const char *labelname;
1.1 deraadt 74:
1.18 millert 75: extern int first, matchall, patterns, tail, file_err;
1.1 deraadt 76: extern char **pattern;
1.4 tedu 77: extern fastgrep_t *fg_pattern;
1.1 deraadt 78: extern regex_t *r_pattern;
1.25 pirofti 79:
80: /* For -m max-count */
81: extern long long mcount, mlimit;
1.1 deraadt 82:
83: /* For regex errors */
84: #define RE_ERROR_BUF 512
85: extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */
86:
87: /* util.c */
88: int procfile(char *fn);
89: int grep_tree(char **argv);
90: void *grep_malloc(size_t size);
1.14 deraadt 91: void *grep_calloc(size_t nmemb, size_t size);
1.1 deraadt 92: void *grep_realloc(void *ptr, size_t size);
1.20 deraadt 93: void *grep_reallocarray(void *ptr, size_t nmemb, size_t size);
1.17 tedu 94: void printline(str_t *line, int sep, regmatch_t *pmatch);
1.4 tedu 95: int fastcomp(fastgrep_t *, const char *);
1.19 deraadt 96: void fgrepcomp(fastgrep_t *, const unsigned char *);
1.1 deraadt 97:
98: /* queue.c */
1.6 millert 99: void initqueue(void);
1.1 deraadt 100: void enqueue(str_t *x);
1.6 millert 101: void printqueue(void);
102: void clearqueue(void);
1.1 deraadt 103:
104: /* mmfile.c */
105: typedef struct mmfile {
106: int fd;
107: size_t len;
108: char *base, *end, *ptr;
109: } mmf_t;
110:
1.26 tedu 111: mmf_t *mmopen(int fd, struct stat *sb);
1.1 deraadt 112: void mmclose(mmf_t *mmf);
113: char *mmfgetln(mmf_t *mmf, size_t *l);
114:
115: /* file.c */
116: struct file;
117: typedef struct file file_t;
118:
1.26 tedu 119: file_t *grep_fdopen(int fd);
120: file_t *grep_open(char *path);
1.1 deraadt 121: int grep_bin_file(file_t *f);
122: char *grep_fgetln(file_t *f, size_t *l);
123: void grep_close(file_t *f);
124:
125: /* binary.c */
126: int bin_file(FILE * f);
127: int gzbin_file(gzFile * f);
128: int mmbin_file(mmf_t *f);
129:
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