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Openbsd: output error message on error

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This commit is contained in:
Pawel "l0ner" Soltys 2015-02-01 17:10:52 +01:00
parent 33eac9d16d
commit a727edef8f
4 changed files with 22 additions and 88 deletions
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70
openbsd/error.cc
View File

@ -1,70 +0,0 @@
/* vim: tabstop=2 shiftwidth=2 expandtab textwidth=80 linebreak wrap
*
* Copyright 2012 Matthew McCormick
* Copyright 2015 Pawel 'l0ner' Soltys
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <iostream>
#include <sys/errno.h>
#include <cerrno>
#include "error.h"
void error( const char * error )
{
using std::cerr;
using std::endl;
cerr << error;
switch( errno )
{
case EFAULT:
cerr << "Bad address";
break;
case EINVAL:
cerr << "Invalid argument";
break;
case ENOMEM:
cerr << "Cannot allocate memory";
break;
case ENOENT:
cerr << "No such file or directory";
break;
case ENXIO:
cerr << "Device not configured";
break;
case ENOTDIR:
cerr << "Not a directory";
break;
case EOPNOTSUPP:
cerr << "Operation not supported";
break;
case EPERM:
cerr << "Operation not permitted";
break;
case ESRCH:
cerr << "No such process";
break;
default:
cerr << "Unknown error code: " << errno;
break;
}
cerr << endl;
exit( 23 );
}

11
openbsd/error.h
View File

@ -20,9 +20,16 @@
#define BSD_ERROR_H_
#include <iostream>
#include <sys/errno.h>
#include <cerrno>
#include <cstring> // strerror
inline void error(const char * error) {
std::cerr << error << std::endl;
inline void error( const char * error )
{
using std::cerr;
using std::endl;
cerr << error << ": " << strerror( errno ) << endl;
exit( 23 );
}

3
openbsd/memory.cc
View File

@ -62,7 +62,6 @@ std::string mem_string( bool use_colors = false )
if( sysctl( hw_pagesize, 2, &page_size, &size, NULL, 0 ) < 0 )
{
error( "memory: error getting page size" );
exit(23);
}
// calculate how far we must shift the variables
@ -80,7 +79,6 @@ std::string mem_string( bool use_colors = false )
if( sysctl( vm_totalmem, 2, &vm_total, &size, NULL, 0 ) < 0 )
{
error( "memory: error getting vm memory stats" );
exit(23);
}
// In case we need it, this gets the cached memory (bcstats.numbufpages)
@ -90,7 +88,6 @@ std::string mem_string( bool use_colors = false )
if( sysctl( vm_bcstats, 3, &bcstats, &size, NULL, 0 ) < 0 )
{
error( "memory: error getting cached memory size" );
exit( 23 );
}
// calculations based on conky openbsd port