Add static getcwd and use it for debugging in ad_open

[netatalk.git] / include / atalk / util.h

diff --git a/include/atalk/util.h b/include/atalk/util.h
index 736fab22cd5fb1823e6e8b903001eca9c687ed3c..52c56280e81b1b362717e77eb05968e3888f6ce2 100644 (file)
--- a/include/atalk/util.h
+++ b/include/atalk/util.h
@@ -1,5 +1,5 @@
 /*
- * $Id: util.h,v 1.11 2009-10-13 22:55:37 didg Exp $
+ * $Id: util.h,v 1.17 2010-01-05 13:48:47 franklahm Exp $
  */
 
 #ifndef _ATALK_UTIL_H
@@ -19,8 +19,6 @@
 #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
@@ -41,12 +39,17 @@ extern pid_t server_lock  (char * /*program*/, char * /*file*/,
 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
@@ -81,30 +84,9 @@ extern void *mod_symbol  (void *, const char *);
 #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
@@ -157,3 +139,111 @@ extern int lock_reg(int fd, int cmd, int type, off_t offest, int whence, off_t l
     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
+ *****************************************************************/
+
+/*!
+ * @brief get cwd in static buffer
+ *
+ * @returns pointer to path or pointer to error messages on error
+ */
+extern const char *getcwdpath(void);