source: kBuild/trunk/src/kmk/kmkbuiltin/err.c@ 947

/* $Id: err.c 785 2007-01-24 22:21:56Z bird $ */
/** @file
 *
 * Override err.h so we get the program name right.
 *
 * Copyright (c) 2005-2007 knut st. osmundsen <[email protected]>
 *
 *
 * 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 of the License, 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; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */



#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include "err.h"


/** The current program name. */
const char *g_progname = "kmk";


int err(int eval, const char *fmt, ...)
{
    va_list args;
    int error = errno;
    fprintf(stderr, "%s: ", g_progname);
    va_start(args, fmt);
    vfprintf(stderr, fmt, args);
    va_end(args);
    fprintf(stderr, ": %s\n", strerror(error));

    return eval;
}


int errx(int eval, const char *fmt, ...)
{
    va_list args;
    fprintf(stderr, "%s: ", g_progname);
    va_start(args, fmt);
    vfprintf(stderr, fmt, args);
    va_end(args);
    fprintf(stderr, "\n");

    return eval;
}

void warn(const char *fmt, ...)
{
    int error = errno;
    va_list args;
    fprintf(stderr, "%s: ", g_progname);
    va_start(args, fmt);
    vfprintf(stderr, fmt, args);
    va_end(args);
    fprintf(stderr, ": %s\n", strerror(error));
}

void warnx(const char *fmt, ...)
{
    int err = errno;
    va_list args;
    fprintf(stderr, "%s: ", g_progname);
    va_start(args, fmt);
    vfprintf(stderr, fmt, args);
    va_end(args);
    fprintf(stderr, "\n");
}