event-utils.h

Go to the documentation of this file.

/*
 * Copyright (C) 2010 Red Hat Inc, Steven Rostedt <[email protected]>
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License (not later!)
 *
 * 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */
#ifndef __UTIL_H
#define __UTIL_H

#include <ctype.h>

/* Can be overridden */
void die(const char *fmt, ...);
void *malloc_or_die(unsigned int size);
void warning(const char *fmt, ...);
void pr_stat(const char *fmt, ...);
void vpr_stat(const char *fmt, va_list ap);

/* Always available */
void __die(const char *fmt, ...);
void __warning(const char *fmt, ...);
void __pr_stat(const char *fmt, ...);

void __vdie(const char *fmt, ...);
void __vwarning(const char *fmt, ...);
void __vpr_stat(const char *fmt, ...);

#define min(x, y) ({                \
    typeof(x) _min1 = (x);          \
    typeof(y) _min2 = (y);          \
    (void) (&_min1 == &_min2);      \
    _min1 < _min2 ? _min1 : _min2; })

static inline char *strim(char *string)
{
    char *ret;

    if (!string)
        return NULL;
    while (*string) {
        if (!isspace(*string))
            break;
        string++;
    }
    ret = string;

    string = ret + strlen(ret) - 1;
    while (string > ret) {
        if (!isspace(*string))
            break;
        string--;
    }
    string[1] = 0;

    return ret;
}

static inline int has_text(const char *text)
{
    if (!text)
        return 0;

    while (*text) {
        if (!isspace(*text))
            return 1;
        text++;
    }

    return 0;
}

#endif