src/lib.h

/*
 * Copyright 2010, Intel Corporation
 *
 * This file is part of PowerTOP
 *
 * This program file 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; version 2 of the License.
 *
 * 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 in a file named COPYING; if not, write to the
 * Free Software Foundation, Inc,
 * 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA
 * or just google for it.
 *
 * Authors:
 *	Arjan van de Ven <arjan@linux.intel.com>
 */
#ifndef INCLUDE_GUARD_LIB_H
#define INCLUDE_GUARD_LIB_H

#include <libintl.h>
#include <stdint.h>
#include <stdlib.h>
#include <cstring>

/* Include only for Automake builds */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#ifdef __ANDROID__
#include "android_stubs.h"
#endif

#ifdef ENABLE_NLS
#define _(STRING)    gettext(STRING)
#else
#define _(STRING)    (STRING)
#endif

#define POWERTOP_VERSION "v" PACKAGE_VERSION
#define POWERTOP_SHORT_VERSION PACKAGE_VERSION

extern int is_turbo(uint64_t freq, uint64_t max, uint64_t maxmo);

extern int get_max_cpu(void);
extern void set_max_cpu(int cpu);

extern double percentage(double F);
extern char *hz_to_human(unsigned long hz, char *buffer, int digits = 2);


extern const char *kernel_function(uint64_t address);




#include <string>
using namespace std;

extern void write_sysfs(const string &filename, const string &value);
extern int read_sysfs(const string &filename, bool *ok = NULL);
extern string read_sysfs_string(const string &filename);
extern string read_sysfs_string(const char *format, const char *param);

extern void format_watts(double W, char *buffer, unsigned int len);

extern char *pci_id_to_name(uint16_t vendor, uint16_t device, char *buffer, int len);
extern void end_pci_access(void);


extern char *fmt_prefix(double n, char *buf);
extern char *pretty_print(const char *str, char *buf, int len);
extern int equals(double a, double b);

template<size_t N> void pt_strcpy(char (&d)[N], const char *s)
{
	strncpy(d, s, N);
	d[N-1] = '\0';
}

typedef void (*callback)(const char*);
extern void process_directory(const char *d_name, callback fn);
extern void process_glob(const char *glob, callback fn);
extern int utf_ok;
extern int get_user_input(char *buf, unsigned sz);
extern int read_msr(int cpu, uint64_t offset, uint64_t *value);
extern int write_msr(int cpu, uint64_t offset, uint64_t value);

extern void align_string(char *buffer, size_t min_sz, size_t max_sz);

extern void ui_notify_user_ncurses(const char *frmt, ...);
extern void ui_notify_user_console(const char *frmt, ...);
extern void (*ui_notify_user) (const char *frmt, ...);
#endif