1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
3*0Sstevel@tonic-gate * All rights reserved.
4*0Sstevel@tonic-gate * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
5*0Sstevel@tonic-gate * Copyright (c) 1988, 1993
6*0Sstevel@tonic-gate * The Regents of the University of California. All rights reserved.
7*0Sstevel@tonic-gate *
8*0Sstevel@tonic-gate * By using this file, you agree to the terms and conditions set
9*0Sstevel@tonic-gate * forth in the LICENSE file which can be found at the top level of
10*0Sstevel@tonic-gate * the sendmail distribution.
11*0Sstevel@tonic-gate *
12*0Sstevel@tonic-gate */
13*0Sstevel@tonic-gate
14*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
15*0Sstevel@tonic-gate
16*0Sstevel@tonic-gate #include <sm/gen.h>
17*0Sstevel@tonic-gate SM_RCSID("@(#)$Id: strerror.c,v 1.21 2001/06/17 21:31:41 ca Exp $")
18*0Sstevel@tonic-gate
19*0Sstevel@tonic-gate /*
20*0Sstevel@tonic-gate ** define strerror for platforms that lack it.
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate
23*0Sstevel@tonic-gate #include <errno.h>
24*0Sstevel@tonic-gate #include <stdio.h> /* sys_errlist, on some platforms */
25*0Sstevel@tonic-gate
26*0Sstevel@tonic-gate #include <sm/io.h> /* sm_snprintf */
27*0Sstevel@tonic-gate #include <sm/string.h>
28*0Sstevel@tonic-gate #include <sm/conf.h>
29*0Sstevel@tonic-gate #include <sm/errstring.h>
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate #if !defined(ERRLIST_PREDEFINED)
32*0Sstevel@tonic-gate extern char *sys_errlist[];
33*0Sstevel@tonic-gate extern int sys_nerr;
34*0Sstevel@tonic-gate #endif /* !defined(ERRLIST_PREDEFINED) */
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gate #if !HASSTRERROR
37*0Sstevel@tonic-gate
38*0Sstevel@tonic-gate /*
39*0Sstevel@tonic-gate ** STRERROR -- return error message string corresponding to an error number.
40*0Sstevel@tonic-gate **
41*0Sstevel@tonic-gate ** Parameters:
42*0Sstevel@tonic-gate ** err -- error number.
43*0Sstevel@tonic-gate **
44*0Sstevel@tonic-gate ** Returns:
45*0Sstevel@tonic-gate ** Error string (might be pointer to static buffer).
46*0Sstevel@tonic-gate */
47*0Sstevel@tonic-gate
48*0Sstevel@tonic-gate char *
strerror(err)49*0Sstevel@tonic-gate strerror(err)
50*0Sstevel@tonic-gate int err;
51*0Sstevel@tonic-gate {
52*0Sstevel@tonic-gate static char buf[64];
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate if (err >= 0 && err < sys_nerr)
55*0Sstevel@tonic-gate return (char *) sys_errlist[err];
56*0Sstevel@tonic-gate else
57*0Sstevel@tonic-gate {
58*0Sstevel@tonic-gate (void) sm_snprintf(buf, sizeof(buf), "Error %d", err);
59*0Sstevel@tonic-gate return buf;
60*0Sstevel@tonic-gate }
61*0Sstevel@tonic-gate }
62*0Sstevel@tonic-gate #endif /* !HASSTRERROR */
63