summaryrefslogtreecommitdiff
path: root/toolchain/uClibc/patches-0.9.29/170-enable-getifaddrs.patch
blob: 5b0d4fc536b4e7d4a617065e88c07461de4593e4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
--- a/libc/inet/ifaddrs.c
+++ b/libc/inet/ifaddrs.c
@@ -38,6 +38,7 @@
 #include <unistd.h>
 
 #include "netlinkaccess.h"
+#include "ifaddrs.h"
 
 libc_hidden_proto(socket)
 libc_hidden_proto(close)
@@ -57,7 +58,6 @@ libc_hidden_proto(abort)
 
 
 #if __ASSUME_NETLINK_SUPPORT
-#if 0 /* unused code */
 /* struct to hold the data for one ifaddrs entry, so we can allocate
    everything at once.  */
 struct ifaddrs_storage
@@ -74,8 +74,6 @@ struct ifaddrs_storage
   } addr, netmask, broadaddr;
   char name[IF_NAMESIZE + 1];
 };
-#endif /* unused code */
-
 
 void
 __netlink_free_handle (struct netlink_handle *h)
@@ -323,8 +321,6 @@ __netlink_open (struct netlink_handle *h
   return 0;
 }
 
-
-#if 0 /* unused code */
 /* We know the number of RTM_NEWLINK entries, so we reserve the first
    # of entries for this type. All RTM_NEWADDR entries have an index
    pointer to the RTM_NEWLINK entry.  To find the entry, create
@@ -562,7 +558,7 @@ getifaddrs (struct ifaddrs **ifap)
 		      if ((rta_payload + 1) <= sizeof (ifas[ifa_index].name))
 			{
 			  ifas[ifa_index].ifa.ifa_name = ifas[ifa_index].name;
-			  *(char *) __mempcpy (ifas[ifa_index].name, rta_data,
+			  *(char *) mempcpy (ifas[ifa_index].name, rta_data,
 					       rta_payload) = '\0';
 			}
 		      break;
@@ -761,7 +757,7 @@ getifaddrs (struct ifaddrs **ifap)
 		      if (rta_payload + 1 <= sizeof (ifas[ifa_index].name))
 			{
 			  ifas[ifa_index].ifa.ifa_name = ifas[ifa_index].name;
-			  *(char *) __mempcpy (ifas[ifa_index].name, rta_data,
+			  *(char *) mempcpy (ifas[ifa_index].name, rta_data,
 					       rta_payload) = '\0';
 			}
 		      else
@@ -872,6 +868,4 @@ freeifaddrs (struct ifaddrs *ifa)
 }
 #endif
 
-#endif /* unused code */
-
 #endif /* __ASSUME_NETLINK_SUPPORT */
--- a/libc/inet/netlinkaccess.h
+++ b/libc/inet/netlinkaccess.h
@@ -61,14 +61,11 @@ struct netlink_handle
 };
 
 
-#if 0 /* unused code */
 #if __ASSUME_NETLINK_SUPPORT == 0
 extern int __no_netlink_support attribute_hidden;
 #else
 # define __no_netlink_support 0
 #endif
-#endif /* unused code */
-
 
 extern int __netlink_open (struct netlink_handle *h) attribute_hidden;
 extern void __netlink_close (struct netlink_handle *h) attribute_hidden;
--- /dev/null
+++ b/include/ifaddrs.h
@@ -0,0 +1,74 @@
+/* ifaddrs.h -- declarations for getting network interface addresses
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _IFADDRS_H
+#define _IFADDRS_H	1
+
+#include <features.h>
+#include <sys/socket.h>
+
+__BEGIN_DECLS
+
+/* The `getifaddrs' function generates a linked list of these structures.
+   Each element of the list describes one network interface.  */
+struct ifaddrs
+{
+  struct ifaddrs *ifa_next;	/* Pointer to the next structure.  */
+
+  char *ifa_name;		/* Name of this network interface.  */
+  unsigned int ifa_flags;	/* Flags as from SIOCGIFFLAGS ioctl.  */
+
+  struct sockaddr *ifa_addr;	/* Network address of this interface.  */
+  struct sockaddr *ifa_netmask; /* Netmask of this interface.  */
+  union
+  {
+    /* At most one of the following two is valid.  If the IFF_BROADCAST
+       bit is set in `ifa_flags', then `ifa_broadaddr' is valid.  If the
+       IFF_POINTOPOINT bit is set, then `ifa_dstaddr' is valid.
+       It is never the case that both these bits are set at once.  */
+    struct sockaddr *ifu_broadaddr; /* Broadcast address of this interface. */
+    struct sockaddr *ifu_dstaddr; /* Point-to-point destination address.  */
+  } ifa_ifu;
+  /* These very same macros are defined by <net/if.h> for `struct ifaddr'.
+     So if they are defined already, the existing definitions will be fine.  */
+# ifndef ifa_broadaddr
+#  define ifa_broadaddr	ifa_ifu.ifu_broadaddr
+# endif
+# ifndef ifa_dstaddr
+#  define ifa_dstaddr	ifa_ifu.ifu_dstaddr
+# endif
+
+  void *ifa_data;		/* Address-specific data (may be unused).  */
+};
+
+
+/* Create a linked list of `struct ifaddrs' structures, one for each
+   network interface on the host machine.  If successful, store the
+   list in *IFAP and return 0.  On errors, return -1 and set `errno'.
+
+   The storage returned in *IFAP is allocated dynamically and can
+   only be properly freed by passing it to `freeifaddrs'.  */
+extern int getifaddrs (struct ifaddrs **__ifap) __THROW;
+
+/* Reclaim the storage allocated by a previous `getifaddrs' call.  */
+extern void freeifaddrs (struct ifaddrs *__ifa)  __THROW;
+
+__END_DECLS
+
+#endif /* ifaddrs.h */