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sqerror.c
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sqerror.c
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/*****************************************************************
* HMMER - Biological sequence analysis with profile HMMs
* Copyright (C) 1992-2003 Washington University School of Medicine
* All Rights Reserved
*
* This source code is distributed under the terms of the
* GNU General Public License. See the files COPYING and LICENSE
* for details.
*****************************************************************/
/* sqerror.c
*
* error handling for the squid library
* CVS $Id: sqerror.c,v 1.6 2003/05/26 16:21:50 eddy Exp $
*/
#include "squidconf.h"
#include "squid.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
int squid_errno; /* a global errno equivalent */
/* Function: Die()
*
* Purpose: Print an error message and die. The arguments
* are formatted exactly like arguments to printf().
*
* Return: None. Exits the program.
*/
/* VARARGS0 */
void
Die(char *format, ...)
{
va_list argp;
/* format the error mesg */
fprintf(stderr, "\nFATAL: ");
va_start(argp, format);
vfprintf(stderr, format, argp);
va_end(argp);
fprintf(stderr, "\n");
fflush(stderr);
/* exit */
exit(1);
}
/* Function: Warn()
*
* Purpose: Print an error message and return. The arguments
* are formatted exactly like arguments to printf().
*
* Return: (void)
*/
/* VARARGS0 */
void
Warn(char *format, ...)
{
va_list argp;
/* format the error mesg */
fprintf(stderr, "WARNING: ");
va_start(argp, format);
vfprintf(stderr, format, argp);
va_end(argp);
fprintf(stderr, "\n");
fflush(stderr);
}
/* Function: Panic()
*
* Purpose: Die from a lethal error that's not my problem,
* but instead a failure of a StdC/POSIX call that
* shouldn't fail. Call perror() to get the
* errno flag, then die.
*
* Usually called by the PANIC macro which adds
* the __FILE__ and __LINE__ information; see
* structs.h.
*
* Inspired by code in Donald Lewine's book, _POSIX
* Programmer's Guide_.
*/
void
Panic(char *file, int line)
{
(void) fprintf(stderr, "\nPANIC [%s line %d] ", file, line);
(void) perror("Unusual error");
exit(EXIT_FAILURE);
}