#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ntl2.h"


enum { Pmax = 16 };

static int pp = 0;
static char* path[Pmax];

int addpath(const char* p)
{
	if (pp == Pmax)
		return -1;
	path[pp++] = strdup(p);
	return 0;
}

FILE* path_fopen(const char* file, const char* mode)
{
	int i;
	FILE* fp;
	char buf[4096];

	if (!file || !mode)
		return 0;
	if (file[0] == '/' || file[0] == '.')
		return fopen(file, mode);
	for (i = 0;  i < pp; ++i) {
		sprintf(buf, "%s/%s", path[i], file);
		if (fp = fopen(buf, mode))
			return fp;
	}
	return fopen(file, mode);
}