aboutsummaryrefslogtreecommitdiffstats
path: root/libesmtp/current/gethostbyname.h
diff options
context:
space:
mode:
Diffstat (limited to 'libesmtp/current/gethostbyname.h')
-rw-r--r--libesmtp/current/gethostbyname.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/libesmtp/current/gethostbyname.h b/libesmtp/current/gethostbyname.h
new file mode 100644
index 00000000..2b963997
--- /dev/null
+++ b/libesmtp/current/gethostbyname.h
@@ -0,0 +1,103 @@
+/*
+ * This file is a ghastly hack because nobody can agree on
+ * gethostbyname_r()'s prototype.
+ *
+ * Copyright (C) 2001,2002 Brian Stafford <brian@stafford.uklinux.net>
+ *
+ * This 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.
+ *
+ * This 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*************************************************************************
+ Usage:
+
+ #include <errno.h>
+ #include "gethostbyname.h"
+
+ f ()
+ {
+ struct ghbnctx ctx;
+
+ errno = 0;
+ hp = gethostbyname_ctx (host, &ctx);
+ if (hp == NULL)
+ {
+ if (errno != 0)
+ handle_value_of_errno (errno);
+ else
+ handle_value_of_h_errno (h_error_ctx (&ctx));
+ }
+ else
+ {
+ ...
+ }
+ free_ghbnctx (&ctx);
+ }
+ *************************************************************************/
+
+#ifndef _gethostbyname_h
+#define _gethostbyname_h
+
+#if HAVE_GETIPNODEBYNAME
+
+struct ghbnctx
+ {
+ int h_err;
+ struct hostent *hostent;
+ };
+
+#elif HAVE_GETHOSTBYNAME_R == 6
+
+struct ghbnctx
+ {
+ int h_err;
+ struct hostent hostent;
+ char *hostbuf;
+ size_t hostbuf_len;
+ };
+
+#elif HAVE_GETHOSTBYNAME_R == 5
+
+struct ghbnctx
+ {
+ int h_err;
+ struct hostent hostent;
+ char *hostbuf;
+ int hostbuf_len;
+ };
+
+#elif HAVE_GETHOSTBYNAME_R == 3
+
+struct ghbnctx
+ {
+ int h_err;
+ struct hostent_data hostent_data;
+ struct hostent hostent;
+ };
+
+#else
+
+struct ghbnctx
+ {
+ int h_err;
+ };
+
+#endif
+
+struct hostent *gethostbyname_ctx (const char *host, struct ghbnctx *ctx);
+int h_error_ctx (struct ghbnctx *ctx);
+void free_ghbnctx (struct ghbnctx *ctx);
+
+#endif
+