TinyX/os/log.c

/*

Copyright 1987, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall
not be used in advertising or otherwise to promote the sale, use or
other dealings in this Software without prior written authorization
from The Open Group.


Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
Copyright 1994 Quarterdeck Office Systems.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the names of Digital and
Quarterdeck not be used in advertising or publicity pertaining to
distribution of the software without specific, written prior
permission.

DIGITAL AND QUARTERDECK DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS, IN NO EVENT SHALL DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT
OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE
OR PERFORMANCE OF THIS SOFTWARE.

*/

/*
 * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of the copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */


#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include <X11/Xos.h>
#include <stdio.h>
#include <time.h>
#include <sys/stat.h>
#include <stdarg.h>
#include <stdlib.h>	/* for malloc() */
#include <errno.h>

#include "site.h"
#include "opaque.h"

#ifdef __GNUC__
static void AbortServer(void) __attribute__((noreturn));
#endif

static void
AbortServer(void)
{
    OsCleanup(TRUE);
    AbortDDX();
    fflush(stderr);
    if (CoreDump)
	abort();
    exit (1);
}

#ifndef AUDIT_PREFIX
#define AUDIT_PREFIX "AUDIT: %s: %ld: "
#endif

static char *
AuditPrefix(void)
{
    time_t tm;
    char *autime, *s;
    char *tmpBuf;
    int len;

    time(&tm);
    autime = ctime(&tm);
    if ((s = strchr(autime, '\n')))
	*s = '\0';
    len = strlen(AUDIT_PREFIX) + strlen(autime) + 10 + 1;
    tmpBuf = malloc(len);
    if (!tmpBuf)
	return NULL;
    snprintf(tmpBuf, len, AUDIT_PREFIX, autime, (unsigned long)getpid());
    return tmpBuf;
}

void
AuditF(const char * f, ...)
{
    va_list args;

    va_start(args, f);

    VAuditF(f, args);
    va_end(args);
}

void
VAuditF(const char *f, va_list args)
{
    char *prefix;
    char buf[1024];

    prefix = AuditPrefix();
    vsnprintf(buf, sizeof(buf), f, args);

    /* XXX Compressing duplicated messages is temporarily disabled to
     * work around bugzilla 964:
     *     https://freedesktop.org/bugzilla/show_bug.cgi?id=964
     */
    ErrorF("%s%s", prefix != NULL ? prefix : "", buf);

    if (prefix != NULL)
	free(prefix);
}

_X_EXPORT void
FatalError(const char *f, ...)
{
    va_list args;

    ErrorF("\nFatal server error:\n");

    va_start(args, f);
    VErrorF(f, args);
    va_end(args);
    ErrorF("\n");

    AbortServer();
    /*NOTREACHED*/
}

_X_EXPORT void
VErrorF(const char *f, va_list args)
{
    vfprintf(stderr, f, args);
}

_X_EXPORT void
ErrorF(const char * f, ...)
{
    va_list args;

    va_start(args, f);
    VErrorF(f, args);
    va_end(args);
}