3 * Netatalk utility functions
5 * Utility functions for these areas: \n
8 * * misc UNIX function wrappers, eg for getcwd
12 #define _ATALK_UTIL_H 1
14 #include <sys/cdefs.h>
15 #include <sys/types.h>
16 #include <sys/socket.h>
20 #include <netatalk/at.h>
22 #include <atalk/unicode.h>
24 /* exit error codes */
25 #define EXITERR_CLNT 1 /* client related error */
26 #define EXITERR_CONF 2 /* error in config files/cmd line parameters */
27 #define EXITERR_SYS 3 /* local system error */
29 /* Print a SBT and exit */
30 #define AFP_PANIC(why) \
32 netatalk_panic(why); \
36 /* LOG assert errors */
38 #define AFP_ASSERT(b) \
49 #define MIN(a, b) ((a) < (b) ? (a) : (b))
53 #define MAX(a, b) ((a) > (b) ? (a) : (b))
56 #define STRCMP(a,b,c) (strcmp(a,c) b 0)
59 extern ssize_t sys_sendfile (int __out_fd, int __in_fd, off_t *__offset,size_t __count);
62 extern const int _diacasemap[], _dialowermap[];
64 extern char **getifacelist(void);
65 extern void freeifacelist(char **);
67 #define diatolower(x) _dialowermap[(unsigned char) (x)]
68 #define diatoupper(x) _diacasemap[(unsigned char) (x)]
70 extern int atalk_aton (char *, struct at_addr *);
72 extern void bprint (char *, int);
73 extern int strdiacasecmp (const char *, const char *);
74 extern int strndiacasecmp (const char *, const char *, size_t);
75 extern pid_t server_lock (char * /*program*/, char * /*file*/, int /*debug*/);
76 extern void fault_setup (void (*fn)(void *));
77 extern void netatalk_panic(const char *why);
78 #define server_unlock(x) (unlink(x))
81 extern void *mod_open (const char *);
82 extern void *mod_symbol (void *, const char *);
83 extern void mod_close (void *);
84 #define mod_error() ""
85 #else /* ! HAVE_DLFCN_H */
90 #endif /* ! RTLD_NOW */
92 /* NetBSD doesn't like RTLD_NOW for dlopen (it fails). Use RTLD_LAZY.
93 * OpenBSD currently does not use the second arg for dlopen(). For
94 * future compatibility we define DL_LAZY */
96 #define mod_open(a) dlopen(a, RTLD_LAZY)
97 #elif defined(__OpenBSD__)
98 #define mod_open(a) dlopen(a, DL_LAZY)
99 #else /* ! __NetBSD__ && ! __OpenBSD__ */
100 #define mod_open(a) dlopen(a, RTLD_NOW)
101 #endif /* __NetBSD__ */
103 #ifndef DLSYM_PREPEND_UNDERSCORE
104 #define mod_symbol(a, b) dlsym(a, b)
105 #else /* ! DLSYM_PREPEND_UNDERSCORE */
106 extern void *mod_symbol (void *, const char *);
107 #endif /* ! DLSYM_PREPEND_UNDERSCORE */
108 #define mod_error() dlerror()
109 #define mod_close(a) dlclose(a)
110 #endif /* ! HAVE_DLFCN_H */
112 /******************************************************************
114 ******************************************************************/
116 extern int lock_reg(int fd, int cmd, int type, off_t offest, int whence, off_t len);
117 #define read_lock(fd, offset, whence, len) \
118 lock_reg((fd), F_SETLK, F_RDLCK, (offset), (whence), (len))
119 #define write_lock(fd, offset, whence, len) \
120 lock_reg((fd), F_SETLK, F_WRLCK, (offset), (whence), (len))
121 #define unlock(fd, offset, whence, len) \
122 lock_reg((fd), F_SETLK, F_UNLCK, (offset), (whence), (len))
124 /******************************************************************
126 ******************************************************************/
128 extern int setnonblock(int fd, int cmd);
129 extern ssize_t readt(int socket, void *data, const size_t length, int setnonblocking, int timeout);
130 extern const char *getip_string(const struct sockaddr *sa);
131 extern unsigned int getip_port(const struct sockaddr *sa);
132 extern void apply_ip_mask(struct sockaddr *ai, int maskbits);
133 extern int compare_ip(const struct sockaddr *sa1, const struct sockaddr *sa2);
135 /******************************************************************
137 *****************************************************************/
139 extern const char *abspath(const char *name);
140 extern const char *getcwdpath(void);
141 extern char *stripped_slashes_basename(char *p);
142 extern int lchdir(const char *dir);
143 extern void randombytes(void *buf, int n);
144 #endif /* _ATALK_UTIL_H */