IABSD.fr/xenocara/app/xdm/error.c

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• Author : matthieu
  Date : 2007-08-05 19:00:25
  Hash : 9ab55f74
  Message : Import xdm 1.1.4

• app/xdm/error.c

• /* $Xorg: error.c,v 1.4 2001/02/09 02:05:40 xorgcvs Exp $ */
  /*
  
  Copyright 1988, 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.
  
  */
  /* $XFree86: xc/programs/xdm/error.c,v 1.6tsi Exp $ */
  
  /*
   * xdm - display manager daemon
   * Author:  Keith Packard, MIT X Consortium
   *
   * error.c
   *
   * Log display manager errors to a file as
   * we generally do not have a terminal to talk to
   */
  
  # include <stdio.h>
  # include <stdarg.h>
  
  # include "dm.h"
  # include "dm_error.h"
  
  #define WRITES(fd, buf) write(fd, buf, strlen(buf))
  
  void LogInfo(char * fmt, ...)
  {
      char buf[1024];
  
      snprintf(buf, sizeof buf, "xdm info (pid %ld): ", (long)getpid());
      WRITES(STDERR_FILENO, buf);
      {
  	va_list args;
  	va_start(args, fmt);
  	vsnprintf (buf, sizeof buf, fmt, args);
  	va_end(args);
      }
      WRITES(STDERR_FILENO, buf);
  }
  
  void LogError (char * fmt, ...)
  {
      char buf[1024];
  
      snprintf (buf, sizeof buf, "xdm error (pid %ld): ", (long)getpid());
      WRITES(STDERR_FILENO, buf);
      {
  	va_list args;
  	va_start(args, fmt);
  	vsnprintf (buf, sizeof buf, fmt, args);
  	va_end(args);
      }
      WRITES(STDERR_FILENO, buf);
  }
  
  void LogPanic (char * fmt, ...)
  {
      char buf[1024];
  
      snprintf (buf, sizeof buf, "xdm panic (pid %ld): ", (long)getpid());
      WRITES(STDERR_FILENO, buf);
      {
  	va_list args;
  	va_start(args, fmt);
  	vsnprintf (buf, sizeof buf, fmt, args);
  	va_end(args);
      }
      WRITES(STDERR_FILENO, buf);
      _exit (1);
  }
  
  void LogOutOfMem (char * fmt, ...)
  {
      fprintf (stderr, "xdm: out of memory in routine ");
      {
  	va_list args;
  	va_start(args, fmt);
  	vfprintf (stderr, fmt, args);
  	va_end(args);
      }
      fflush (stderr);
  }
  
  void Debug (char * fmt, ...)
  {
      char buf[1024];
  
      if (debugLevel > 0)
      {
  	va_list args;
  	va_start(args, fmt);
  	vsnprintf (buf, sizeof buf, fmt, args);
  	va_end(args);
  	WRITES(STDOUT_FILENO, buf);
      }
  }
  
  void InitErrorLog (void)
  {
  	int	i;
  	if (errorLogFile[0]) {
  		i = creat (errorLogFile, 0666);
  		if (i != -1) {
  			if (i != 2) {
  				dup2 (i, 2);
  				close (i);
  			}
  		} else
  			LogError ("Cannot open errorLogFile %s\n", errorLogFile);
  	}
  }