Munin contributed plugins

/*

 * Copyright (C) 2008 Helmut Grohne <helmut@subdivi.de> - All rights reserved.

 *

 * This copyrighted material is made available to anyone wishing to use,

 * modify, copy, or redistribute it subject to the terms and conditions

 * of the GNU General Public License v.2 or v.3.

 */

#ifndef COMMON_H

#define COMMON_H

#define PROC_STAT "/proc/stat"

/** Write yes to stdout and return 0. The intended use is give an autoconf

 * response like "return writeyes();".

 * @returns a success state to be passed on as the return value from main */

int writeyes(void);

/** Answer an autoconf request by checking the readability of the given file.

 */

int autoconf_check_readable(const char *);

/** Obtain an integer value from the environment. In the absence of the

 * variable the given defaultvalue is returned.  */

int getenvint(const char *, int defaultvalue);

/** Print a name.warning line using the "name_warning" or "warning" environment

 * variables. */

void print_warning(const char *name);

/** Print a name.critical line using the "name_critical" or "critical"

 * environment variables. */

void print_critical(const char *name);

/** Print both name.warning and name.critical lines using environment

 * variables. */

void print_warncrit(const char *name);

/** Fail by printing the given message and a newline to stderr.

 * @returns a failure state to be passed on as the return value from main */

int fail(const char *message);

#define xisspace(x) isspace((int)(unsigned char) x)

#define xisdigit(x) isdigit((int)(unsigned char) x)

#endif