mono/utils/networking-missing.c

   1 /**
   2  * \file
   3  * Implements missing standard socket functions.
   4  *
   5  * Author:
   6  *      Rodrigo Kumpera (kumpera@gmail.com)
   7  *
   8  * (C) 2015 Xamarin
   9  */
  10
  11 #include <mono/utils/networking.h>
  12 #include <mono/utils/mono-compiler.h>
  13 #include <glib.h>
  14
  15 #ifdef HAVE_NETDB_H
  16 #include <netdb.h>
  17 #endif
  18
  19 #ifndef HAVE_INET_PTON
  20
  21 int
  22 inet_pton (int family, const char *address, void *inaddrp)
  23 {
  24         if (family == AF_INET) {
  25 #ifdef HAVE_INET_ATON
  26                 struct in_addr inaddr;
  27
  28                 if (!inet_aton (address, &inaddr))
  29                         return 0;
  30
  31                 memcpy (inaddrp, &inaddr, sizeof (struct in_addr));
  32                 return 1;
  33 #else
  34                 /* assume the system has inet_addr(), if it doesn't
  35                    have that we're pretty much screwed... */
  36                 guint32 inaddr;
  37
  38                 if (!strcmp (address, "255.255.255.255")) {
  39                         /* special-case hack */
  40                         inaddr = 0xffffffff;
  41                 } else {
  42                         inaddr = inet_addr (address);
  43 #ifndef INADDR_NONE
  44 #define INADDR_NONE ((in_addr_t) -1)
  45 #endif
  46                         if (inaddr == INADDR_NONE)
  47                                 return 0;
  48                 }
  49
  50                 memcpy (inaddrp, &inaddr, sizeof (guint32));
  51                 return 1;
  52 #endif /* HAVE_INET_ATON */
  53         }
  54
  55         return -1;
  56 }
  57
  58 #else /* !HAVE_INET_PTON */
  59
  60 MONO_EMPTY_SOURCE_FILE (networking_missing);
  61 #endif /* !HAVE_INET_PTON */