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diff lib/canon-host.h @ 6224:85d0a6143cc4

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* modules/canon-host: Add canon-host.h. Depend on getaddrinfo. Make LGPL. * modules/getaddrinfo: Add link to opengroup spec. Depend on strdup. Make canon-host require getaddrinfo. * m4/canon-host.m4 (gl_CANON_HOST): Remove most dependencies. AC_LIBSOURCE canon-host.h. Call... (gl_PREREQ_CANON_HOST): ...this new function, which requires gl_GETADDRINFO. * m4/getaddrinfo.m4 (gl_GETADDRINFO): Compile gai_strerror when needed. Return usable errors from canon-host. * lib/canon-host.h: New file. * lib/canon-host.c (canon_host): Wrap... (canon_host_r): ...this new function, which now relies exclusively on getaddrinfo. (ch_strerror): New function. (last_cherror): New global. * lib/getaddrinfo.c: Move include of getaddrinfo.h first to test interface. (getaddrinfo): Add AI_CANONNAME functionality. Don't do arithmetic on void *. (freeaddrinfo): Free ai->ai_canonname when set.
author Derek R. Price <derek@ximbiot.com>
date Tue, 13 Sep 2005 04:15:15 +0000
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children 69d01c286f89
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+/* Host name canonicalization
+
+   Copyright (C) 2005 Free Software Foundation, Inc.
+
+   Written by Derek Price <derek@ximbiot.com>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+#ifndef CANON_HOST_H
+# define CANON_HOST_H 1
+
+char *canon_host (char const *host);
+char *canon_host_r (char const *host, int *cherror);
+
+const char *ch_strerror (void);
+#define ch_strerror_r(cherror)		gai_strerror (cherror);
+
+#endif /* !CANON_HOST_H */