aft.c: Silence scan-build warning.

[paraslash.git] / net.h

diff --git a/net.h b/net.h
index db6103184b0f77f395af01e6fd959ad6812a6809..a3ff49e950e57e98a885c49e57581d4e485d369f 100644 (file)
--- a/net.h
+++ b/net.h
@@ -1,20 +1,20 @@
 /*
- * Copyright (C) 2006-2010 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2012 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
-#include <stdbool.h>
-
 /** \file net.h exported symbols from net.c */
 
 /**
- * the buffer size of the sun_path component of struct sockaddr_un
+ * The buffer size of the sun_path component of struct sockaddr_un.
  *
- * While glibc doesn't define \p UNIX_PATH_MAX, it
- * documents it has being limited to 108 bytes.
+ * While glibc doesn't define \p UNIX_PATH_MAX, it documents it has being
+ * limited to 108 bytes. On NetBSD it is only 104 bytes though. We trust \p
+ * UNIX_PATH_MAX if it is defined and use the size of the ->sun_path member
+ * otherwise. This should be safe everywhere.
  */
 #ifndef UNIX_PATH_MAX
-#define UNIX_PATH_MAX 108
+#define UNIX_PATH_MAX (sizeof(((struct sockaddr_un *)0)->sun_path))
 #endif
 
 /* Userland defines for Linux DCCP support. */
@@ -36,6 +36,10 @@
 #define SOL_DCCP 269 /**< Linux socket level. */
 #endif
 
+#ifndef DCCP_SOCKOPT_GET_CUR_MPS
+#define DCCP_SOCKOPT_GET_CUR_MPS  5 /**< Max packet size, RFC 4340, 14. */
+#endif
+
 #ifndef DCCP_SOCKOPT_AVAILABLE_CCIDS
 #define DCCP_SOCKOPT_AVAILABLE_CCIDS 12 /**< List of supported CCIDs. */
 #endif
@@ -56,9 +60,9 @@ struct flowopts;
 
 extern struct flowopts *flowopt_new(void);
 extern void flowopt_add(struct flowopts *fo, int level, int opt,
-                       char *name, const void *val, int len);
+               const char *name, const void *val, int len);
 extern void flowopt_add_bool(struct flowopts *fo, int lev, int opt,
-                            char *optname, bool on_or_off);
+               const char *optname, bool on_or_off);
 /** Flowopt shortcut macros */
 #define OPT_ADD(fo, lev, opt, val, len)        flowopt_add(fo, lev, opt, #opt, val, len)
 #define OPT_ENABLE(fo, lev, opt)       flowopt_add_bool(fo, lev, opt, #opt, 1)
@@ -137,23 +141,21 @@ extern char *remote_name(int sockfd);
  */
 extern int generic_max_transport_msg_size(int sockfd);
 
-int send_bin_buffer(int, const char *, size_t);
-int send_buffer(int, const char *);
-__printf_2_3 int send_va_buffer(int fd, const char *fmt, ...);
-
 int recv_bin_buffer(int fd, char *buf, size_t size);
 int recv_buffer(int fd, char *buf, size_t size);
 
 int para_accept(int fd, fd_set *rfds, void *addr, socklen_t size, int *new_fd);
 int create_local_socket(const char *name, struct sockaddr_un *unix_addr,
        mode_t mode);
-int create_remote_socket(const char *name);
+int connect_local_socket(const char *name);
 int recv_cred_buffer(int, char *, size_t);
 ssize_t send_cred_buffer(int, char*);
 
 /**
  * Functions and definitions to support \p IPPROTO_DCCP
  */
-/** Hardcoded maximum number of separate CCID modules compiled into a host */
+/** Estimated worst-case length of a DCCP header including options. */
+#define DCCP_MAX_HEADER                128
+/** Hardcoded maximum number of separate CCID modules compiled into a host. */
 #define DCCP_MAX_HOST_CCIDS    20
 extern int dccp_available_ccids(uint8_t **ccid_array);