Imported Upstream version 1.15upstream/1.15

1 files changed, 75 insertions, 0 deletions

diff --git a/libc/example.c b/libc/example.c
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+/* example.c --- Example code showing how to use IDN enabled getaddrinfo().
+ * Copyright (C) 2003, 2004  Simon Josefsson
+ *
+ * This file is part of GNU Libidn.
+ *
+ * GNU Libidn 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.
+ *
+ * GNU Libidn 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 GNU Libidn; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ */
+
+#define _GNU_SOURCE 1
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <locale.h>		/* setlocale() */
+
+/*
+ * Compiling against IDN enabled Libc:
+ *
+ * $ gcc -o example example.c -L/usr/local/glibc/lib -Wl,-rpath,/usr/local/glibc/lib -nostdinc -I/usr/local/glibc/include -I/usr/include -I/usr/lib/gcc-lib/i486-linux/3.3.3/include
+ * $ CHARSET=iso-8859-1 ./example
+ * locale charset `iso-8859-1'
+ * gettaddrinfo(räksmörgås.josefsson.org):
+ * address `217.13.230.178'
+ * canonical name `178.230.13.217.in-addr.dgcsystems.net'
+ * $
+ *
+ * Internally the name iesg--rksmrgsa-0zap8p.josefsson.org is looked
+ * up in DNS.
+ */
+
+int
+main(int argc, char *argv[])
+{
+  char *in = argc > 1 ? argv[1] : "räksmörgås.josefsson.org";
+  struct addrinfo hints;
+  struct addrinfo *res = NULL;
+  int rc;
+
+  setlocale (LC_ALL, "");
+
+  //printf("locale charset `%s'\n", stringprep_locale_charset());
+
+  memset(&hints, 0, sizeof(hints));
+  hints.ai_flags = AI_CANONNAME|AI_IDN;
+
+  printf("gettaddrinfo(%s):\n", in);
+  rc = getaddrinfo(in, NULL, &hints, &res);
+  if (rc)
+    printf("gai err %d: %s\n", rc, gai_strerror(rc));
+  else if (res)
+    printf("address `%s'\ncanonical name `%s'\n",
+	   res->ai_addr ?
+	   /* FIXME: Use inet_ntop, so it works for IPv6 too. */
+	   inet_ntoa(((struct sockaddr_in*)res->ai_addr)->sin_addr) : "ERROR",
+	   res->ai_canonname ? res->ai_canonname : "ERROR");
+  else
+    printf("Bad magic\n");
+
+  return 0;
+}