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/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 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 MPD_UTILS_H
#define MPD_UTILS_H
#include <glib.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <pthread.h>
#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
#ifndef assert_static
/* Compile time assertion developed by Ralf Holly */
/* http://pera-software.com/articles/compile-time-assertions.pdf */
#define assert_static(e) \
do { \
enum { assert_static__ = 1/(e) }; \
} while (0)
#endif /* !assert_static */
char *myFgets(char *buffer, int bufferSize, FILE * fp);
void stripReturnChar(char *string);
void my_usleep(long usec);
int ipv6Supported(void);
/* trivial functions, keep them inlined */
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;
}
}
G_GNUC_MALLOC char *xstrdup(const char *s);
G_GNUC_MALLOC void *xmalloc(size_t size);
G_GNUC_MALLOC void *xrealloc(void *ptr, size_t size);
G_GNUC_MALLOC void *xcalloc(size_t nmemb, size_t size);
/**
* free a const pointer - unfortunately free() expects a non-const
* pointer, for whatever reason
*/
static inline void xfree(const void *p)
{
union {
const void *in;
void *out;
} deconst = { .in = p };
free(deconst.out);
}
char *parsePath(char *path);
int set_nonblocking(int fd);
void init_async_pipe(int file_des[2]);
void xpthread_mutex_init(pthread_mutex_t *m, const pthread_mutexattr_t *a);
void xpthread_cond_init(pthread_cond_t *c, pthread_condattr_t *a);
void xpthread_mutex_destroy(pthread_mutex_t *mutex);
void xpthread_cond_destroy(pthread_cond_t *cond);
int stringFoundInStringArray(const char *const*array, const char *suffix);
#endif
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