/*
- * $Id: util.h,v 1.15 2009-11-08 22:12:40 didg Exp $
+ * $Id: util.h,v 1.20 2010-02-28 17:02:49 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
#endif /* HAVE_UNISTD_H */
#include <netatalk/at.h>
#include <atalk/unicode.h>
+#include <atalk/volume.h>
/* exit error codes */
#define EXITERR_CLNT 1 /* client related error */
#define EXITERR_SYS 3 /* local system error */
-extern int sys_ftruncate (int fd, off_t length);
-
#ifdef WITH_SENDFILE
extern ssize_t sys_sendfile (int __out_fd, int __in_fd, off_t *__offset,size_t __count);
#endif
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
* 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
******************************************************************/
-/*
- * Function: setnonblock
- *
- * Purpose: set or unset non-blocking IO on a fd
- *
- * Arguments:
- *
- * fd (r) File descriptor
- * cmd (r) 0: disable non-blocking IO, ie block
- * <>0: enable non-blocking IO
- *
- * Returns: 0 on success, -1 on failure
- *
- * Effects:
- *
- * fd's file flags.
- */
extern int setnonblock(int fd, int cmd);
-
-/*
- * Function: getip_string
- *
- * Purpose: convert an IPv4 or IPv6 address to a static string using inet_ntop
- *
- * Arguments:
- *
- * sa (r) pointer to an struct sockaddr
- *
- * Returns: pointer to a static string cotaining the converted address as string.
- * On error pointers to "0.0.0.0" or "::0" are returned.
- *
- * Effects:
- *
- * IPv6 mapped IPv4 addresses are returned as IPv4 addreses eg
- * ::ffff:10.0.0.0 is returned as "10.0.0.0".
- */
extern const char *getip_string(const struct sockaddr *sa);
-
-/*
- * Function: getip_string
- *
- * Purpose: return port number from struct sockaddr
- *
- * Arguments:
- *
- * sa (r) pointer to an struct sockaddr
- *
- * Returns: port as unsigned int
- *
- * Effects: none.
- */
extern unsigned int getip_port(const struct sockaddr *sa);
-
-/*
- * Function: apply_ip_mask
- *
- * Purpose: apply netmask to IP (v4 or v6)
- *
- * Arguments:
- *
- * ai (rw) pointer to an struct sockaddr
- * mask (r) number of maskbits
- *
- * Returns: void
- *
- * Effects:
- *
- * Modifies IP address in sa->sin[6]_addr-s[6]_addr. The caller is responsible
- * for passing a value for mask that is sensible to the passed address,
- * eg 0 <= mask <= 32 for IPv4 or 0<= mask <= 128 for IPv6. mask > 32 for
- * IPv4 is treated as mask = 32, mask > 128 is set to 128 for IPv6.
- */
extern void apply_ip_mask(struct sockaddr *ai, int maskbits);
-
-/*
- * Function: compare_ip
- *
- * Purpose: Compare IP addresses for equality
- *
- * Arguments:
- *
- * sa1 (r) pointer to an struct sockaddr
- * sa2 (r) pointer to an struct sockaddr
- *
- * Returns: Addresses are converted to strings and compared with strcmp and
- * the result of strcmp is returned.
- *
- * Effects:
- *
- * IPv6 mapped IPv4 addresses are treated as IPv4 addresses.
- */
extern int compare_ip(const struct sockaddr *sa1, const struct sockaddr *sa2);
+
+/******************************************************************
+ * unix.c
+ *****************************************************************/
+
+extern const char *getcwdpath(void);
+extern int lchdir(struct vol *vol, const char *dir);
+
+#endif /* _ATALK_UTIL_H */
projects / netatalk.git / blobdiff