Annotation of src/usr.bin/grep/grep.h, Revision 1.22
1.22 ! millert 1: /* $OpenBSD: grep.h,v 1.21 2015/01/10 13:48:02 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>
30:
1.22 ! millert 31: #include <limits.h>
1.1 deraadt 32: #include <regex.h>
1.22 ! millert 33: #include <stdint.h>
1.1 deraadt 34: #include <stdio.h>
35: #include <zlib.h>
36:
37: #define VER_MAJ 0
38: #define VER_MIN 9
39:
1.3 tedu 40: #define BIN_FILE_BIN 0
41: #define BIN_FILE_SKIP 1
42: #define BIN_FILE_TEXT 2
43:
1.1 deraadt 44: typedef struct {
45: size_t len;
46: int line_no;
1.9 otto 47: off_t off;
1.1 deraadt 48: char *file;
49: char *dat;
50: } str_t;
51:
1.4 tedu 52: typedef struct {
53: unsigned char *pattern;
54: int patternLen;
55: int qsBc[UCHAR_MAX + 1];
56: /* flags */
57: int bol;
58: int eol;
1.10 millert 59: int wmatch;
1.4 tedu 60: int reversedSearch;
61: } fastgrep_t;
62:
1.1 deraadt 63: /* Flags passed to regcomp() and regexec() */
64: extern int cflags, eflags;
65:
66: /* Command line flags */
1.21 tedu 67: extern int Aflag, Bflag, Eflag, Fflag, Hflag, Lflag,
1.15 tedu 68: Rflag, Zflag,
1.17 tedu 69: bflag, cflag, hflag, iflag, lflag, nflag, oflag, qflag, sflag,
1.1 deraadt 70: vflag, wflag, xflag;
1.12 otto 71: extern int binbehave;
1.1 deraadt 72:
1.18 millert 73: extern int first, matchall, patterns, tail, file_err;
1.1 deraadt 74: extern char **pattern;
1.4 tedu 75: extern fastgrep_t *fg_pattern;
1.1 deraadt 76: extern regex_t *r_pattern;
77:
78: /* For regex errors */
79: #define RE_ERROR_BUF 512
80: extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */
81:
82: /* util.c */
83: int procfile(char *fn);
84: int grep_tree(char **argv);
85: void *grep_malloc(size_t size);
1.14 deraadt 86: void *grep_calloc(size_t nmemb, size_t size);
1.1 deraadt 87: void *grep_realloc(void *ptr, size_t size);
1.20 deraadt 88: void *grep_reallocarray(void *ptr, size_t nmemb, size_t size);
1.17 tedu 89: void printline(str_t *line, int sep, regmatch_t *pmatch);
1.4 tedu 90: int fastcomp(fastgrep_t *, const char *);
1.19 deraadt 91: void fgrepcomp(fastgrep_t *, const unsigned char *);
1.1 deraadt 92:
93: /* queue.c */
1.6 millert 94: void initqueue(void);
1.1 deraadt 95: void enqueue(str_t *x);
1.6 millert 96: void printqueue(void);
97: void clearqueue(void);
1.1 deraadt 98:
99: /* mmfile.c */
100: typedef struct mmfile {
101: int fd;
102: size_t len;
103: char *base, *end, *ptr;
104: } mmf_t;
105:
106: mmf_t *mmopen(char *fn, char *mode);
107: void mmclose(mmf_t *mmf);
108: char *mmfgetln(mmf_t *mmf, size_t *l);
109:
110: /* file.c */
111: struct file;
112: typedef struct file file_t;
113:
114: file_t *grep_fdopen(int fd, char *mode);
115: file_t *grep_open(char *path, char *mode);
116: int grep_bin_file(file_t *f);
117: char *grep_fgetln(file_t *f, size_t *l);
118: void grep_close(file_t *f);
119:
120: /* binary.c */
121: int bin_file(FILE * f);
122: int gzbin_file(gzFile * f);
123: int mmbin_file(mmf_t *f);
124:
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