2 * $Id: util.h,v 1.21 2010/02/28 22:29:16 didg Exp $
7 * Netatalk utility functions
9 * Utility functions for these areas: \n
12 * * misc UNIX function wrappers, eg for getcwd
16 #define _ATALK_UTIL_H 1
18 #include <sys/cdefs.h>
19 #include <sys/types.h>
22 #endif /* HAVE_UNISTD_H */
23 #include <netatalk/at.h>
24 #include <atalk/unicode.h>
26 /* exit error codes */
27 #define EXITERR_CLNT 1 /* client related error */
28 #define EXITERR_CONF 2 /* error in config files/cmd line parameters */
29 #define EXITERR_SYS 3 /* local system error */
31 /* LOG assert errors */
33 #define AFP_ASSERT(b) \
36 LOG(log_error, logtype_default, "PANIC, assert failed: %s", #b); \
45 extern ssize_t sys_sendfile (int __out_fd, int __in_fd, off_t *__offset,size_t __count);
48 extern const int _diacasemap[], _dialowermap[];
50 extern char **getifacelist(void);
51 extern void freeifacelist(char **);
53 #define diatolower(x) _dialowermap[(unsigned char) (x)]
54 #define diatoupper(x) _diacasemap[(unsigned char) (x)]
55 extern int atalk_aton (char *, struct at_addr *);
56 extern void bprint (char *, int);
57 extern int strdiacasecmp (const char *, const char *);
58 extern int strndiacasecmp (const char *, const char *, size_t);
59 extern pid_t server_lock (char * /*program*/, char * /*file*/,
61 extern void fault_setup (void (*fn)(void *));
62 #define server_unlock(x) (unlink(x))
64 /* strlcpy and strlcat are used by pam modules */
65 #ifndef UAM_MODULE_EXPORT
66 #define UAM_MODULE_EXPORT
70 UAM_MODULE_EXPORT size_t strlcpy (char *, const char *, size_t);
74 UAM_MODULE_EXPORT size_t strlcat (char *, const char *, size_t);
78 extern void *mod_open (const char *);
79 extern void *mod_symbol (void *, const char *);
80 extern void mod_close (void *);
81 #define mod_error() ""
82 #else /* ! HAVE_DLFCN_H */
87 #endif /* ! RTLD_NOW */
89 /* NetBSD doesn't like RTLD_NOW for dlopen (it fails). Use RTLD_LAZY.
90 * OpenBSD currently does not use the second arg for dlopen(). For
91 * future compatibility we define DL_LAZY */
93 #define mod_open(a) dlopen(a, RTLD_LAZY)
94 #elif defined(__OpenBSD__)
95 #define mod_open(a) dlopen(a, DL_LAZY)
96 #else /* ! __NetBSD__ && ! __OpenBSD__ */
97 #define mod_open(a) dlopen(a, RTLD_NOW)
98 #endif /* __NetBSD__ */
100 #ifndef DLSYM_PREPEND_UNDERSCORE
101 #define mod_symbol(a, b) dlsym(a, b)
102 #else /* ! DLSYM_PREPEND_UNDERSCORE */
103 extern void *mod_symbol (void *, const char *);
104 #endif /* ! DLSYM_PREPEND_UNDERSCORE */
105 #define mod_error() dlerror()
106 #define mod_close(a) dlclose(a)
107 #endif /* ! HAVE_DLFCN_H */
109 /******************************************************************
111 ******************************************************************/
113 extern int lock_reg(int fd, int cmd, int type, off_t offest, int whence, off_t len);
114 #define read_lock(fd, offset, whence, len) \
115 lock_reg((fd), F_SETLK, F_RDLCK, (offset), (whence), (len))
116 #define write_lock(fd, offset, whence, len) \
117 lock_reg((fd), F_SETLK, F_WRLCK, (offset), (whence), (len))
118 #define unlock(fd, offset, whence, len) \
119 lock_reg((fd), F_SETLK, F_UNLCK, (offset), (whence), (len))
121 /******************************************************************
123 ******************************************************************/
125 extern int setnonblock(int fd, int cmd);
126 extern const char *getip_string(const struct sockaddr *sa);
127 extern unsigned int getip_port(const struct sockaddr *sa);
128 extern void apply_ip_mask(struct sockaddr *ai, int maskbits);
129 extern int compare_ip(const struct sockaddr *sa1, const struct sockaddr *sa2);
131 /******************************************************************
133 *****************************************************************/
135 extern const char *getcwdpath(void);
136 extern int lchdir(const char *dir);
138 #endif /* _ATALK_UTIL_H */