mpd/src/utils.h

/* the Music Player Daemon (MPD)
 * (c)2003-2006 by Warren Dukes (warren.dukes@gmail.com)
 * This project's homepage is: http://www.musicpd.org
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef UTILS_H
#define UTILS_H

#include "../config.h"

#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))

char *myFgets(char *buffer, int bufferSize, FILE * fp);

char *strDupToUpper(char *str);

void stripReturnChar(char *string);

void my_usleep(long usec);

int ipv6Supported();

char *appendToString(char *dest, const char *src);

unsigned long readLEuint32(const unsigned char *p);

/* trivial functions, keep them inlined */
static inline int xopen(const char *path, int flags, mode_t mode)
{
	int fd;
	while(0>(fd = open(path,flags,mode)) && errno == EINTR);
	return fd;
}

static inline void xclose(int fd)
{
	while (close(fd) && errno == EINTR);
}

static inline ssize_t xread(int fd, void *buf, size_t len)
{
	ssize_t nr;
	while (1) {
		nr = read(fd, buf, len);
		if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
			continue;
		return nr;
	}
}

static inline ssize_t xwrite(int fd, const void *buf, size_t len)
{
	ssize_t nr;
	while (1) {
		nr = write(fd, buf, len);
		if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
			continue;
		return nr;
	}
}

#endif