/*
 * This file is part of the Black Magic Debug project.
 *
 * Copyright (C) 2020 Uwe Bonnes (bon@elektron.ikp.physik.tu-darmstadt.de)
 * Base on code:
 * Copyright (C) 2011  Black Sphere Technologies Ltd.
 * Written by Gareth McMullin <gareth@blacksphere.co.nz>
 * and others.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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.  If not, see <http://www.gnu.org/licenses/>.
 */

/* This file deduplicates codes used in several pc-hosted platforms
 */

#include <stdint.h>
#include <unistd.h>
#include <sys/time.h>

#if defined(_WIN32) && !defined(__MINGW32__)
#warning "This vasprintf() is dubious!"
int vasprintf(char **strp, const char *fmt, va_list ap)
{
	int size = 128, ret = 0;

	*strp = malloc(size);
	while(*strp && ((ret = vsnprintf(*strp, size, fmt, ap)) == size))
		*strp = realloc(*strp, size <<= 1);

	return ret;
}
#endif

void platform_delay(uint32_t ms)
{
#if defined(_WIN32) && !defined(__MINGW32__)
	Sleep(ms);
#else
# if !defined(usleep)
	int usleep(unsigned int);
# endif
	usleep(ms);
#endif
}

uint32_t platform_time_ms(void)
{
	struct timeval tv;
	gettimeofday(&tv, NULL);
	return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
}