/* See LICENSE file for copyright and license details. */
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <unistd.h>
#include "../util.h"

void
apathmax(char **p, long *size)
{
#ifdef PATH_MAX
	*size = PATH_MAX;
#else
	errno = 0;
	if((*size = pathconf(".", _PC_PATH_MAX)) == -1) {
		if(errno == 0)
			*size = BUFSIZ;
		else
			eprintf("pathconf:");
	}
#endif
	if(!(*p = malloc(*size)))
		eprintf("malloc:");
}