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/*
error.c - Part of libsensors, a Linux library for reading sensor data.
Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
Copyright (C) 2007-2009 Jean Delvare <khali@linux-fr.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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 Lesser 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., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301 USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include "error.h"
#include "general.h"
static void sensors_default_parse_error(const char *err, int lineno);
static void sensors_default_parse_error_wfn(const char *err,
const char *filename, int lineno);
static void sensors_default_fatal_error(const char *proc, const char *err);
void (*sensors_parse_error) (const char *err, int lineno) =
sensors_default_parse_error;
void (*sensors_parse_error_wfn) (const char *err, const char *filename,
int lineno) = sensors_default_parse_error_wfn;
void (*sensors_fatal_error) (const char *proc, const char *err) =
sensors_default_fatal_error;
static const char *errorlist[] = {
/* Invalid error code */ "Unknown error",
/* SENSORS_ERR_WILDCARDS */ "Wildcard found in chip name",
/* SENSORS_ERR_NO_ENTRY */ "No such subfeature known",
/* SENSORS_ERR_ACCESS_R */ "Can't read",
/* SENSORS_ERR_KERNEL */ "Kernel interface error",
/* SENSORS_ERR_DIV_ZERO */ "Divide by zero",
/* SENSORS_ERR_CHIP_NAME */ "Can't parse chip name",
/* SENSORS_ERR_BUS_NAME */ "Can't parse bus name",
/* SENSORS_ERR_PARSE */ "General parse error",
/* SENSORS_ERR_ACCESS_W */ "Can't write",
/* SENSORS_ERR_IO */ "I/O error",
/* SENSORS_ERR_RECURSION */ "Evaluation recurses too deep",
};
const char *sensors_strerror(int errnum)
{
if (errnum < 0)
errnum = -errnum;
if (errnum >= ARRAY_SIZE(errorlist))
errnum = 0;
return errorlist[errnum];
}
void sensors_default_parse_error(const char *err, int lineno)
{
if (lineno)
fprintf(stderr, "Error: Line %d: %s\n", lineno, err);
else
fprintf(stderr, "Error: %s\n", err);
}
void sensors_default_parse_error_wfn(const char *err,
const char *filename, int lineno)
{
/* If application provided a custom parse error reporting function
but not the variant with the filename, fall back to the original
variant without the filename, for backwards compatibility. */
if (sensors_parse_error != sensors_default_parse_error ||
!filename)
return sensors_parse_error(err, lineno);
if (lineno)
fprintf(stderr, "Error: File %s, line %d: %s\n", filename,
lineno, err);
else
fprintf(stderr, "Error: File %s: %s\n", filename, err);
}
void sensors_default_fatal_error(const char *proc, const char *err)
{
fprintf(stderr, "Fatal error in `%s': %s\n", proc, err);
exit(1);
}
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