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)
57 #define ZERO_STRUCT(a) memset(&(a), 0, sizeof(a))
60 extern ssize_t sys_sendfile (int __out_fd, int __in_fd, off_t *__offset,size_t __count);
63 extern const int _diacasemap[], _dialowermap[];
65 extern char **getifacelist(void);
66 extern void freeifacelist(char **);
68 #define diatolower(x) _dialowermap[(unsigned char) (x)]
69 #define diatoupper(x) _diacasemap[(unsigned char) (x)]
71 extern int atalk_aton (char *, struct at_addr *);
73 extern void bprint (char *, int);
74 extern int strdiacasecmp (const char *, const char *);
75 extern int strndiacasecmp (const char *, const char *, size_t);
76 extern pid_t server_lock (char * /*program*/, char * /*file*/, int /*debug*/);
77 extern void fault_setup (void (*fn)(void *));
78 extern void netatalk_panic(const char *why);
79 #define server_unlock(x) (unlink(x))
82 extern void *mod_open (const char *);
83 extern void *mod_symbol (void *, const char *);
84 extern void mod_close (void *);
85 #define mod_error() ""
86 #else /* ! HAVE_DLFCN_H */
91 #endif /* ! RTLD_NOW */
93 /* NetBSD doesn't like RTLD_NOW for dlopen (it fails). Use RTLD_LAZY.
94 * OpenBSD currently does not use the second arg for dlopen(). For
95 * future compatibility we define DL_LAZY */
97 #define mod_open(a) dlopen(a, RTLD_LAZY)
98 #elif defined(__OpenBSD__)
99 #define mod_open(a) dlopen(a, DL_LAZY)
100 #else /* ! __NetBSD__ && ! __OpenBSD__ */
101 #define mod_open(a) dlopen(a, RTLD_NOW)
102 #endif /* __NetBSD__ */
104 #ifndef DLSYM_PREPEND_UNDERSCORE
105 #define mod_symbol(a, b) dlsym(a, b)
106 #else /* ! DLSYM_PREPEND_UNDERSCORE */
107 extern void *mod_symbol (void *, const char *);
108 #endif /* ! DLSYM_PREPEND_UNDERSCORE */
109 #define mod_error() dlerror()
110 #define mod_close(a) dlclose(a)
111 #endif /* ! HAVE_DLFCN_H */
113 /******************************************************************
115 ******************************************************************/
117 extern int lock_reg(int fd, int cmd, int type, off_t offest, int whence, off_t len);
118 #define read_lock(fd, offset, whence, len) \
119 lock_reg((fd), F_SETLK, F_RDLCK, (offset), (whence), (len))
120 #define write_lock(fd, offset, whence, len) \
121 lock_reg((fd), F_SETLK, F_WRLCK, (offset), (whence), (len))
122 #define unlock(fd, offset, whence, len) \
123 lock_reg((fd), F_SETLK, F_UNLCK, (offset), (whence), (len))
125 /******************************************************************
127 ******************************************************************/
129 extern int setnonblock(int fd, int cmd);
130 extern ssize_t readt(int socket, void *data, const size_t length, int setnonblocking, int timeout);
131 extern const char *getip_string(const struct sockaddr *sa);
132 extern unsigned int getip_port(const struct sockaddr *sa);
133 extern void apply_ip_mask(struct sockaddr *ai, int maskbits);
134 extern int compare_ip(const struct sockaddr *sa1, const struct sockaddr *sa2);
136 /******************************************************************
138 *****************************************************************/
140 extern const char *abspath(const char *name);
141 extern const char *getcwdpath(void);
142 extern char *stripped_slashes_basename(char *p);
143 extern int lchdir(const char *dir);
144 extern void randombytes(void *buf, int n);
145 #endif /* _ATALK_UTIL_H */