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/*
* This file is part of ltrace.
* Copyright (C) 2012,2013 Petr Machata, Red Hat Inc.
* Copyright (C) 2009,2010 Joe Damato
* Copyright (C) 1998,2002,2008 Juan Cespedes
* Copyright (C) 2006 Ian Wienand
* Copyright (C) 2006 Steve Fink
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef _OPTIONS_H_
#define _OPTIONS_H_
#include <stdio.h>
#include <sys/types.h>
#include <sys/time.h>
#include "forward.h"
#include "vect.h"
struct options_t {
int align; /* -a: default alignment column for results */
char * user; /* -u: username to run command as */
int syscalls; /* -S: display system calls */
int demangle; /* -C: demangle low-level names into user-level names */
int indent; /* -n: indent trace output according to program flow */
FILE *output; /* output to a specific file */
int summary; /* count time, calls, and report a summary on program exit */
int debug; /* debug */
size_t arraylen; /* default maximum # of array elements printed */
size_t strlen; /* default maximum # of bytes printed in strings */
int follow; /* trace child processes */
int no_signals; /* don't print signals */
#if defined(HAVE_LIBUNWIND)
int bt_depth; /* how may levels of stack frames to show */
#endif /* defined(HAVE_LIBUNWIND) */
struct filter *plt_filter;
struct filter *static_filter;
/* A filter matching library names of libraries, whose
* exported symbols we wish to trace. */
struct filter *export_filter;
int hide_caller; /* Whether caller library should be hidden. */
};
extern struct options_t options;
extern int opt_i; /* instruction pointer */
extern int opt_r; /* print relative timestamp */
extern int opt_t; /* print absolute timestamp */
extern int opt_T; /* show the time spent inside each call */
struct opt_p_t {
pid_t pid;
struct opt_p_t *next;
};
extern struct opt_p_t *opt_p; /* attach to process with a given pid */
enum opt_F_kind {
OPT_F_UNKNOWN = 0,
OPT_F_BROKEN,
OPT_F_FILE,
OPT_F_DIR,
};
struct opt_F_t {
char *pathname;
int own_pathname : 1;
enum opt_F_kind kind : 2;
};
/* If entry->kind is OPT_F_UNKNOWN, figure out whether it should be
* OPT_F_FILE or OPT_F_DIR, cache the result, and return it. Return
* OPT_F_BROKEN on failure. Error message will have been printed in
* that case. */
enum opt_F_kind opt_F_get_kind(struct opt_F_t *entry);
/* Destroy and release any memory associated with ENTRY (but don't
* free ENTRY itself). */
void opt_F_destroy(struct opt_F_t *entry);
/* PATHS contains colon-separated list of values, akin to enviroment
* variables PATH, PYTHONPATH, and others. No escaping is possible.
* The list is split and added to VEC, which shall be a vector
* initialized like VECT_INIT(VEC, struct opt_F_t); Returns 0 on
* success or a negative value on failure. */
int parse_colon_separated_list(const char *paths, struct vect *vec);
/* Vector of struct opt_F_t. */
extern struct vect opt_F;
extern char **process_options(int argc, char **argv);
#endif /* _OPTIONS_H_ */
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