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/*
* Copyright 1999-2006 University of Chicago
*
* 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.
*/
#ifndef GLOBUS_DONT_DOCUMENT_INTERNAL
/**
* @file globus_i_error_errno.c
* Globus Generic Error
*
* $RCSfile: globus_i_error_errno.c,v $
* $Revision: 1.9 $
* $Date $
*/
#include "globus_i_error_errno.h"
#include "globus_libc.h"
#include "globus_object.h"
#include "globus_error.h"
#include "globus_error_generic.h"
#include "globus_common.h"
/**
* @name Copy Error Data
*/
/*@{*/
/**
* Copy the instance data of a Globus Errno Error object.
* @ingroup globus_errno_error_object
*
* @param src
* The source instance data
* @param dst
* The destination instance data
* @return
* void
*/
static
void
globus_l_error_copy_errno(
void * src,
void ** dst)
{
if(src == NULL || dst == NULL) return;
(*dst) = (void *) malloc(sizeof(int));
*((int *) *dst) = *((int *) src);
return;
}/* globus_l_error_copy_errno */
/*@}*/
/**
* @name Free Error Data
*/
/*@{*/
/**
* Free the instance data of a Globus Errno Error object.
* @ingroup globus_errno_error_object
*
* @param data
* The instance data
* @return
* void
*/
static
void
globus_l_error_free_errno(
void * data)
{
globus_libc_free(data);
}/* globus_l_error_free_errno */
/*@}*/
/**
* @name Print Error Data
*/
/*@{*/
/**
* Return a copy of the short description from the instance data
* @ingroup globus_errno_error_object
*
* @param error
* The error object to retrieve the data from.
* @return
* String containing the short description if it exists, NULL
* otherwise.
*/
static
char *
globus_l_error_errno_printable(
globus_object_t * error)
{
globus_module_descriptor_t * base_source;
char * sys_failed =
_GCSL("A system call failed:");
char * sys_error = NULL;
int length = 10 + strlen(sys_failed);
char * printable;
#ifndef WIN32
sys_error = globus_libc_system_error_string(
*((int *) globus_object_get_local_instance_data(error)));
length += sys_error ? strlen(sys_error) : 0;
#else
length += FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
*((int *) globus_object_get_local_instance_data(error)),
0,
(LPTSTR)&sys_error,
0,
NULL);
#endif
base_source = globus_error_get_source(error);
if(base_source && base_source->module_name)
{
length += strlen(base_source->module_name);
printable = globus_libc_malloc(length);
globus_libc_snprintf(printable,length,"%s: %s %s",
base_source->module_name,
sys_failed,
sys_error ? sys_error : "(null)");
}
else
{
printable = globus_libc_malloc(length);
globus_libc_snprintf(printable,length,"%s %s",
sys_failed,
sys_error ? sys_error : "(null)");
}
#ifdef WIN32
if(sys_error)
{
LocalFree(sys_error);
}
#endif
return printable;
}/* globus_l_error_errno_printable */
/*@}*/
/**
* Error type static initializer.
*/
const globus_object_type_t GLOBUS_ERROR_TYPE_ERRNO_DEFINITION
= globus_error_type_static_initializer (
GLOBUS_ERROR_TYPE_BASE,
globus_l_error_copy_errno,
globus_l_error_free_errno,
globus_l_error_errno_printable);
#endif /* GLOBUS_DONT_DOCUMENT_INTERNAL */
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