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/**
* @file libgeis/geis_error.c
* @brief implementation of the GEIS v2.0 API error reporting module
*
* Copyright 2010 Canonical Ltd.
*
* 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 3 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 Lesser General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "geis_config.h"
#include "geis_error.h"
#include "geis_logging.h"
#include "geis_private.h"
#include <stdlib.h>
static GeisErrorStack g_error_stack = { 0, 0, 0 };
static void
geis_error_stack_clear(GeisErrorStack *error_stack)
{
error_stack->error_count = 0;
}
static void
geis_error_stack_push(GeisErrorStack *error_stack, GeisStatus code)
{
if (error_stack->error_count < error_stack->store_size)
{
error_stack->store[error_stack->error_count++] = code;
}
else
{
error_stack->store_size += 2;
error_stack->store = realloc(error_stack->store,
error_stack->store_size * sizeof(GeisErrorStack
));
if (!error_stack->store)
{
geis_error("error_stack realloc failed for size %zu",
error_stack->store_size);
return;
}
error_stack->store[error_stack->error_count++] = code;
}
}
static GeisStatus
geis_error_stack_get(GeisErrorStack *error_stack, GeisSize index)
{
if (index < error_stack->error_count)
{
return error_stack->store[index];
}
return GEIS_STATUS_BAD_ARGUMENT;
}
void
geis_error_clear(Geis geis)
{
if (geis)
{
geis_error_stack_clear(geis_error_stack(geis));
}
else
{
geis_error_stack_clear(&g_error_stack);
}
}
void
geis_error_push(Geis geis, GeisStatus code)
{
if (geis)
{
geis_error_stack_push(geis_error_stack(geis), code);
}
else
{
geis_error_stack_push(&g_error_stack, code);
}
}
GeisSize
geis_error_count(Geis geis)
{
if (geis)
{
return geis_error_stack(geis)->error_count;
}
else
{
return g_error_stack.error_count;
}
}
GeisStatus
geis_error_code(Geis geis, GeisSize index)
{
GeisStatus status = GEIS_STATUS_UNKNOWN_ERROR;
if (geis)
{
status = geis_error_stack_get(geis_error_stack(geis), index);
}
else
{
status = geis_error_stack_get(&g_error_stack, index);
}
return status;
}
GeisString
geis_error_message(Geis geis, GeisSize index GEIS_UNUSED)
{
GeisString message = "";
if (geis)
{
}
else
{
}
return message;
}
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