#include "private.h"

cairo_t *heliCairo;

int randomNumber(int min, int max)

	{ return max <= min ? min : rand()%(max - min + 1) + min; }

double randomFloat()

	{ return (double)rand()/(double)RAND_MAX; }

char* heliStringCopy(const char *x) {

	int len = strlen(x) + 1;

	char *cp = malloc(len + 1);

	memcpy(cp, x, len);

	return cp;

}

char* heliStringConcat3(const char *a, const char *b, const char *c) {

	int la = strlen(a);

	int lb = strlen(b);

	int lc = strlen(c);

	char *s = malloc(la + lb + lc + 1);

	memcpy(s, a, la);

	memcpy(s + la, b, lb);

	memcpy(s + la + lb, c, lc);

	s[la + lb + lc] = 0;

	return s;

}

int heliStringEndsWithLowcase(const char *s, const char *tail) {

	int ls = strlen(s);

	int lt = strlen(tail);

	if (lt > ls) return FALSE;

	for(int i = 0; i < lt; ++i)

		if (tolower(s[ls - i]) != tolower(tail[lt - i]))

			return FALSE;

	return TRUE;

}

void heliLowercase(char *x)

	{ while(*x) *x = tolower(*x); }

void heliParseColor(const char *x, double *color) {

	#warning "TODO: heliParseColor: not implemented yet"

}