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/* @(#)serrmsg.c 1.1 00/08/03 Copyright 1985,2000 J. Schilling */
/*
* Routines for printing command errors
*
* Copyright (c) 1985,2000 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <mconfig.h>
#include <stdio.h>
#include <standard.h>
#include <stdxlib.h>
#include <vadefs.h>
#include <strdefs.h>
#include <schily.h>
#ifndef HAVE_STRERROR
extern char *sys_errlist[];
extern int sys_nerr;
#endif
EXPORT int serrmsg __PR((char *buf, size_t maxcnt, const char *, ...));
EXPORT int serrmsgno __PR((int, char *buf, size_t maxcnt, const char *, ...));
LOCAL int _serrmsg __PR((int, char *buf, size_t maxcnt, const char *, va_list));
/* VARARGS1 */
EXPORT int
#ifdef PROTOTYPES
serrmsg(char *buf, size_t maxcnt, const char *msg, ...)
#else
serrmsg(buf, maxcnt, msg, va_alist)
char *buf;
size_t maxcnt;
char *msg;
va_dcl
#endif
{
va_list args;
int ret;
#ifdef PROTOTYPES
va_start(args, msg);
#else
va_start(args);
#endif
ret = _serrmsg(geterrno(), buf, maxcnt, msg, args);
va_end(args);
return (ret);
}
/* VARARGS2 */
#ifdef PROTOTYPES
EXPORT int
serrmsgno(int err, char *buf, size_t maxcnt, const char *msg, ...)
#else
serrmsgno(err, buf, maxcnt, msg, va_alist)
int err;
char *buf;
size_t maxcnt;
char *msg;
va_dcl
#endif
{
va_list args;
int ret;
#ifdef PROTOTYPES
va_start(args, msg);
#else
va_start(args);
#endif
ret = _serrmsg(err, buf, maxcnt, msg, args);
va_end(args);
return (ret);
}
LOCAL int
_serrmsg(err, buf, maxcnt, msg, args)
int err;
char *buf;
size_t maxcnt;
const char *msg;
va_list args;
{
int ret;
char errbuf[20];
char *errnam;
char *prognam = get_progname();
if (err < 0) {
ret = js_snprintf(buf, maxcnt, "%s: %r", prognam, msg, args);
} else {
errnam = errmsgstr(err);
if (errnam == NULL) {
(void)js_snprintf(errbuf, sizeof (errbuf),
"Error %d", err);
errnam = errbuf;
}
ret = js_snprintf(buf, maxcnt,
"%s: %s. %r", prognam, errnam, msg, args);
}
return (ret);
}
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