/* 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 UTILS_H #define UTILS_H #include "gcc.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])) char *myFgets(char *buffer, int bufferSize, FILE * fp); void stripReturnChar(char *string); void my_usleep(long usec); int ipv6Supported(void); char *appendToString(char *dest, const char *src); unsigned long readLEuint32(const unsigned char *p); /* 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; } } mpd_malloc char *xstrdup(const char *s); mpd_malloc void *xmalloc(size_t size); mpd_malloc void *xrealloc(void *ptr, size_t size); mpd_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 prefixcmp(const char *str, const char *prefix); #endif