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- head 1.1;
- access ;
- symbols ;
- locks ; strict;
- comment @ * @;
-
-
- 1.1
- date 88.06.20.09.57.14; author ouster; state Exp;
- branches ;
- next ;
-
-
- desc
- @@
-
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @/*
- * Copyright (c) 1987 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that this notice is preserved and that due credit is given
- * to the University of California at Berkeley. The name of the University
- * may not be used to endorse or promote products derived from this
- * software without specific prior written permission. This software
- * is provided ``as is'' without express or implied warranty.
- */
-
- #if defined(LIBC_SCCS) && !defined(lint)
- static char sccsid[] = "@@(#)herror.c 6.2 (Berkeley) 3/7/88";
- #endif /* LIBC_SCCS and not lint */
-
- #include <sys/types.h>
- #include <sys/uio.h>
-
- char *h_errlist[] = {
- "Error 0",
- "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]) };
-
- extern int h_errno;
-
- /*
- * herror --
- * print the error indicated by the h_errno value.
- */
- herror(s)
- char *s;
- {
- struct iovec iov[4];
- register struct iovec *v = iov;
-
- if (s && *s) {
- v->iov_base = s;
- v->iov_len = strlen(s);
- v++;
- v->iov_base = ": ";
- v->iov_len = 2;
- v++;
- }
- v->iov_base = h_errno < h_nerr ? h_errlist[h_errno] : "Unknown error";
- v->iov_len = strlen(v->iov_base);
- v++;
- v->iov_base = "\n";
- v->iov_len = 1;
- writev(2, iov, (v - iov) + 1);
- }
- @
-