/*
- * $Id: util.h,v 1.11 2009-10-13 22:55:37 didg Exp $
+ * $Id: util.h,v 1.21 2010/02/28 22:29:16 didg Exp $
+ */
+
+/*!
+ * @file
+ * Netatalk utility functions
+ *
+ * Utility functions for these areas: \n
+ * * sockets \n
+ * * locking \n
+ * * misc UNIX function wrappers, eg for getcwd
*/
#ifndef _ATALK_UTIL_H
#define EXITERR_CONF 2 /* error in config files/cmd line parameters */
#define EXITERR_SYS 3 /* local system error */
-
-extern int sys_ftruncate (int fd, off_t length);
+/* LOG assert errors */
+#ifndef NDEBUG
+#define AFP_ASSERT(b) \
+ do { \
+ if (!(b)) { \
+ LOG(log_error, logtype_default, "PANIC, assert failed: %s", #b); \
+ abort(); \
+ } \
+ } while(0);
+#else
+#define AFP_ASSERT(b)
+#endif /* NDEBUG */
#ifdef WITH_SENDFILE
extern ssize_t sys_sendfile (int __out_fd, int __in_fd, off_t *__offset,size_t __count);
extern void fault_setup (void (*fn)(void *));
#define server_unlock(x) (unlink(x))
+/* strlcpy and strlcat are used by pam modules */
+#ifndef UAM_MODULE_EXPORT
+#define UAM_MODULE_EXPORT
+#endif
+
#ifndef HAVE_STRLCPY
-size_t strlcpy (char *, const char *, size_t);
+UAM_MODULE_EXPORT size_t strlcpy (char *, const char *, size_t);
#endif
#ifndef HAVE_STRLCAT
-size_t strlcat (char *, const char *, size_t);
+UAM_MODULE_EXPORT size_t strlcat (char *, const char *, size_t);
#endif
#ifndef HAVE_DLFCN_H
#define mod_close(a) dlclose(a)
#endif /* ! HAVE_DLFCN_H */
-#if 0
-/* volinfo for shell utilities */
-#define VOLINFOFILE ".volinfo"
-
-struct volinfo {
- char *v_name;
- char *v_path;
- int v_flags;
- int v_casefold;
- char *v_cnidscheme;
- char *v_dbpath;
- char *v_volcodepage;
- charset_t v_volcharset;
- char *v_maccodepage;
- charset_t v_maccharset;
- int v_adouble; /* default adouble format */
- char *(*ad_path)(const char *, int);
- char *v_dbd_host;
- int v_dbd_port;
-};
-
-extern int loadvolinfo (char *path, struct volinfo *vol);
-extern int vol_load_charsets ( struct volinfo *vol);
-#endif /* 0 */
+/******************************************************************
+ * locking.c
+ ******************************************************************/
-/*
- * Function: lock_reg
- *
- * Purpose: lock a file with fctnl
- *
- * Arguments:
- *
- * fd (r) File descriptor
- * cmd (r) cmd to fcntl, only F_SETLK is usable here
- * type (r) F_RDLCK, F_WRLCK, F_UNLCK
- * offset (r) byte offset relative to l_whence
- * whence (r) SEEK_SET, SEEK_CUR, SEEK_END
- * len (r) no. of bytes (0 means to EOF)
- *
- * Returns: 0 on success, -1 on failure
- * fcntl return value and errno
- *
- * Effects:
- *
- * Function called by macros to ease locking.
- */
extern int lock_reg(int fd, int cmd, int type, off_t offest, int whence, off_t len);
-
-/*
- * Macros: read_lock, write_lock, un_lock
- *
- * Purpose: lock and unlock files
- *
- * Arguments:
- *
- * fd (r) File descriptor
- * offset (r) byte offset relative to l_whence
- * whence (r) SEEK_SET, SEEK_CUR, SEEK_END
- * len (r) no. of bytes (0 means to EOF)
- *
- * Returns: 0 on success, -1 on failure
- * fcntl return value and errno
- *
- * Effects:
- *
- * Nice locking macros.
- */
-
#define read_lock(fd, offset, whence, len) \
lock_reg((fd), F_SETLK, F_RDLCK, (offset), (whence), (len))
#define write_lock(fd, offset, whence, len) \
#define unlock(fd, offset, whence, len) \
lock_reg((fd), F_SETLK, F_UNLCK, (offset), (whence), (len))
-#endif
+/******************************************************************
+ * socket.c
+ ******************************************************************/
+
+extern int setnonblock(int fd, int cmd);
+extern const char *getip_string(const struct sockaddr *sa);
+extern unsigned int getip_port(const struct sockaddr *sa);
+extern void apply_ip_mask(struct sockaddr *ai, int maskbits);
+extern int compare_ip(const struct sockaddr *sa1, const struct sockaddr *sa2);
+
+/******************************************************************
+ * unix.c
+ *****************************************************************/
+
+extern const char *getcwdpath(void);
+extern int lchdir(const char *dir);
+
+#endif /* _ATALK_UTIL_H */