glibc/sysdeps/generic/_strerror.c
Ulrich Drepper c3301189bd Update.
2000-11-26  Ulrich Drepper  <drepper@redhat.com>

	* inet/getnameinfo.c: Adjust casts to avoid warnings.
	* inet/rcmd.c: Likewise.
	* inet/ruserpass.c: Likewise.
	* inet/netinet/in.h (IN6_IS_ADDR_UNSPECIFIED, IN6_IS_ADDR_LOOPBACK,
	IN6_IS_ADDR_MULTICAST, IN6_IS_ADDR_LINKLOCAL, IN6_IS_ADDR_SITELOCAL,
	IN6_IS_ADDR_V4MAPPED, IN6_IS_ADDR_V4COMPAT, IN6_ARE_ADDR_EQUAL,
	IN6_IS_ADDR_MC_NODELOCAL, IN6_IS_ADDR_MC_LINKLOCAL,
	IN6_IS_ADDR_MC_SITELOCAL, IN6_IS_ADDR_MC_ORGLOCAL,
	IN6_IS_ADDR_MC_GLOBAL): Preserve const in cast.
	* include/aliases.h: Add prototypes for internal __getalias* functions.
	* include/netdb.h: Add prototypes for __old_gethostent_r,
	__old_gethostbyaddr_r, __old_gethostbyname_r, __old_gethostbyname2_r,
	__old_getnetent_r, __old_getnetbyaddr_r, __old_getnetbyname_r,
	__old_getservent_r, __old_getservbyname_r, __old_getservbyport_r,
	__old_getprotoent_r, __old_getprotobyname_r, __old_getprotobynumber_r.
	* include/rpc/netdb.h: Add prototypes for __old_getrpcbyname_r,
	__old_getrpcbynumber_r, __old_getrpcent_r.

	* include/rpc/netdb.h: Add __getrpcbyname_r, __getrpcbynumber_r,
	__getrpcent_r prototypes.
2000-11-26 09:44:30 +00:00

71 lines
2.4 KiB
C

/* Copyright (C) 1991, 93, 95, 96, 97, 98, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <libintl.h>
#include <stdio.h>
#include <string.h>
#include <sys/param.h>
#include <stdio-common/_itoa.h>
#ifndef HAVE_GNU_LD
# define _sys_errlist sys_errlist
# define _sys_nerr sys_nerr
#endif
/* It is critical here that we always use the `dcgettext' function for
the message translation. Since <libintl.h> only defines the macro
`dgettext' to use `dcgettext' for optimizing programs this is not
always guaranteed. */
#ifndef dgettext
# include <locale.h> /* We need LC_MESSAGES. */
# define dgettext(domainname, msgid) dcgettext (domainname, msgid, LC_MESSAGES)
#endif
/* Return a string describing the errno code in ERRNUM. */
char *
__strerror_r (int errnum, char *buf, size_t buflen)
{
if (errnum < 0 || errnum >= _sys_nerr || _sys_errlist[errnum] == NULL)
{
/* Buffer we use to print the number in. For a maximum size for
`int' of 8 bytes we never need more than 20 digits. */
char numbuf[21];
const char *unk = _("Unknown error ");
const size_t unklen = strlen (unk);
char *p, *q;
numbuf[20] = '\0';
p = _itoa_word (errnum, &numbuf[20], 10, 0);
/* Now construct the result while taking care for the destination
buffer size. */
q = __mempcpy (buf, unk, MIN (unklen, buflen));
if (unklen < buflen)
memcpy (q, p, MIN ((size_t) (&numbuf[21] - p), buflen - unklen));
/* Terminate the string in any case. */
if (buflen > 0)
buf[buflen - 1] = '\0';
return buf;
}
return (char *) _(_sys_errlist[errnum]);
}
weak_alias (__strerror_r, strerror_r)