/*
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2,
 * as published by the Free Software Foundation.
 *
 * In addition to the permissions in the GNU General Public License,
 * the authors give you unlimited permission to link the compiled
 * version of this file into combinations with other programs,
 * and to distribute those combinations without any restriction
 * coming from the use of this file.  (The General Public License
 * restrictions do apply in other respects; for example, they cover
 * modification of the file, and distribution when not linked into
 * a combined executable.)
 *
 * This file 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */
#include "common.h"
#include "git2/thread-utils.h" /* for GIT_TLS */
#include "thread-utils.h" /* for GIT_TLS */

#include <stdarg.h>

static GIT_TLS char g_last_error[1024];

int git__rethrow(int error, const char *msg, ...)
{
	char new_error[1024];
	char *old_error = NULL;

	va_list va;

	va_start(va, msg);
	vsnprintf(new_error, sizeof(new_error), msg, va);
	va_end(va);

	old_error = strdup(g_last_error);
	snprintf(g_last_error, sizeof(g_last_error), "%s \n    - %s", new_error, old_error);
	free(old_error);

	return error;
}

int git__throw(int error, const char *msg, ...)
{
	va_list va;

	va_start(va, msg);
	vsnprintf(g_last_error, sizeof(g_last_error), msg, va);
	va_end(va);

	return error;
}

const char *git_lasterror(void)
{
	return g_last_error;
}