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-rw-r--r--cpukit/libnetworking/libc/herror.c122
1 files changed, 122 insertions, 0 deletions
diff --git a/cpukit/libnetworking/libc/herror.c b/cpukit/libnetworking/libc/herror.c
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+++ b/cpukit/libnetworking/libc/herror.c
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+/*
+ * Copyright (c) 1987, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Portions Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)herror.c 8.1 (Berkeley) 6/4/93";
+static char rcsid[] = "$Id$";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <netdb.h>
+#include <string.h>
+#include <unistd.h>
+
+const char *h_errlist[] = {
+ "Resolver Error 0 (no error)",
+ "Unknown host", /* 1 HOST_NOT_FOUND */
+ "Host name lookup failure", /* 2 TRY_AGAIN */
+ "Unknown server error", /* 3 NO_RECOVERY */
+ "No address associated with name", /* 4 NO_ADDRESS */
+};
+int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };
+
+int h_errno;
+
+/*
+ * herror --
+ * print the error indicated by the h_errno value.
+ */
+void
+herror(s)
+ const char *s;
+{
+#if 0
+ struct iovec iov[4];
+ register struct iovec *v = iov;
+
+ if (s && *s) {
+ v->iov_base = (char *)s;
+ v->iov_len = strlen(s);
+ v++;
+ v->iov_base = ": ";
+ v->iov_len = 2;
+ v++;
+ }
+ v->iov_base = (char *)hstrerror(h_errno);
+ v->iov_len = strlen(v->iov_base);
+ v++;
+ v->iov_base = "\n";
+ v->iov_len = 1;
+ writev(STDERR_FILENO, iov, (v - iov) + 1);
+#else
+ /*
+ * RTEMS: no writev yet
+ */
+ if (s && *s) {
+ write (2, s, strlen (s));
+ write (2, ": ", 2);
+ }
+ s = (char *)hstrerror(h_errno);
+ write (2, s, strlen (s));
+ write (2, "\n", 1);
+#endif
+}
+
+const char *
+hstrerror(err)
+ int err;
+{
+ if (err < 0)
+ return ("Resolver internal error");
+ else if (err < h_nerr)
+ return (h_errlist[err]);
+ return ("Unknown resolver error");
+}