glibc/nis/nis_error.c

98 lines
2.3 KiB
C

/* Copyright (c) 1997-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
The GNU C 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.
The GNU C 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <syslog.h>
#include <string.h>
#include <libintl.h>
#include <rpcsvc/nis.h>
#define MF(line) MF1 (line)
#define MF1(line) str##line
static const union msgstr_t
{
struct
{
#define S(s) char MF(__LINE__)[sizeof (s)];
#include "nis_error.h"
#undef S
};
char str[0];
} msgstr =
{
{
#define S(s) s,
#include "nis_error.h"
#undef S
}
};
static const unsigned short int msgidx[] =
{
#define S(s) offsetof (union msgstr_t, MF (__LINE__)),
#include "nis_error.h"
#undef S
};
const char *
nis_sperrno (const nis_error status)
{
if (status >= sizeof (msgidx) / sizeof (msgidx[0]))
return "???";
else
return gettext (msgstr.str + msgidx[status]);
}
libnsl_hidden_def (nis_sperrno)
void
nis_perror (const nis_error status, const char *label)
{
fprintf (stderr, "%s: %s\n", label, nis_sperrno (status));
}
void
nis_lerror (const nis_error status, const char *label)
{
syslog (LOG_ERR, "%s: %s", label, nis_sperrno (status));
}
char *
nis_sperror_r (const nis_error status, const char *label,
char *buffer, size_t buflen)
{
if (snprintf (buffer, buflen, "%s: %s", label, nis_sperrno (status))
>= buflen)
{
__set_errno (ERANGE);
return NULL;
}
return buffer;
}
libnsl_hidden_def (nis_sperror_r)
char *
nis_sperror (const nis_error status, const char *label)
{
static char buffer[NIS_MAXNAMELEN + 1];
return nis_sperror_r (status, label, buffer, sizeof (buffer));
}