agrep.c File Reference

#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <idzebra/util.h>
#include <dfa.h>
#include "imalloc.h"

Go to the source code of this file.

Macros
#define	O_BINARY   0
#define	INF_BUF_SIZE   32768U

Functions
void	error (const char *format,...)
int	agrep_options (int argc, char **argv)
static int	inf_flush (int fd)
static char *	prline (char *p)
static int	go (int fd, struct DFA_state **dfaar)
int	agrep (struct DFA_state **dfas, int fd)
int	main (int argc, char **argv)

Variables
static char *	prog
static int	show_lines = 0
static char *	inf_buf
static char *	inf_ptr
static char *	inf_flsh
static int	inf_eof
static int	line_no

Macro Definition Documentation

INF_BUF_SIZE

#define INF_BUF_SIZE   32768U

Definition at line 108 of file agrep.c.

O_BINARY

#define O_BINARY   0

Definition at line 46 of file agrep.c.

Function Documentation

agrep()

int agrep	(	struct DFA_state **	dfas,
		int	fd
	)

Definition at line 217 of file agrep.c.

References fd, go(), ifree(), imalloc(), inf_buf, INF_BUF_SIZE, inf_eof, inf_flush(), inf_ptr, and line_no.

Referenced by main().

agrep_options()

int agrep_options	(	int	argc,
		char **	argv
	)

Definition at line 63 of file agrep.c.

References debug_dfa_followpos, debug_dfa_tran, debug_dfa_trav, dfa_verbose, prog, and show_lines.

Referenced by main().

error()

void error	(	const char *	format,
			...
	)

Definition at line 51 of file agrep.c.

References prog.

Referenced by facet_fetch(), parse_index_spec(), read_defs(), read_file(), read_rules(), sort_fetch(), and special_index_fetch().

go()

static int go ( int  fd, struct DFA_state **  dfaar  )

static

Definition at line 162 of file agrep.c.

References DFA_tran::ch, fd, inf_eof, inf_flsh, inf_flush(), inf_ptr, line_no, prline(), prog, DFA_state::rule_nno, DFA_tran::to, DFA_state::tran_no, and DFA_state::trans.

Referenced by agrep().

inf_flush()

static int inf_flush ( int  fd )

static

Definition at line 113 of file agrep.c.

References fd, inf_buf, INF_BUF_SIZE, inf_eof, inf_flsh, and inf_ptr.

Referenced by agrep(), and go().

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 232 of file agrep.c.

References agrep(), agrep_options(), dfa_delete(), dfa_init(), dfa_mkstate(), dfa_parse(), fd, O_BINARY, prog, and DFA::states.

prline()

static char * prline ( char *  p )

static

Definition at line 143 of file agrep.c.

References inf_buf, line_no, and show_lines.

Referenced by go().

Variable Documentation

inf_buf

char* inf_buf

static

Definition at line 109 of file agrep.c.

Referenced by agrep(), inf_flush(), and prline().

inf_eof

int inf_eof

static

Definition at line 111 of file agrep.c.

Referenced by agrep(), go(), and inf_flush().

inf_flsh

char * inf_flsh

static

Definition at line 110 of file agrep.c.

Referenced by go(), and inf_flush().

inf_ptr

char* inf_ptr

static

Definition at line 110 of file agrep.c.

Referenced by agrep(), go(), go(), and inf_flush().

line_no

int line_no

static

Definition at line 111 of file agrep.c.

Referenced by agrep(), go(), and prline().

prog

char* prog

static

Definition at line 49 of file agrep.c.

Referenced by agrep_options(), error(), go(), and main().

show_lines

int show_lines = 0

static

Definition at line 61 of file agrep.c.

Referenced by agrep_options(), and prline().