#include "io.h"

#include "../cstr/cstr.h"

void __wstdn(const char *buf, u64 n)
{
	write(STDOUT_FD, buf, n);
}


void wstd(const char *buf)
{
	__wstdn(buf, cstr_length(buf));
}


void rstd(char *buf, unsigned long count)
{
	read(STDIN_FD, buf, count);
}

void wstdf__(const char *buf, const void **args)
{
	const char *start = buf;
	for (; *buf; ++buf) {
		if (*buf == '%') {
			if (buf - start > 0)
				__wstdn(start, buf - start);
			
			++buf;

			switch (*buf) {
				case '%': __wstdn("%", 1); break;
				case 's':
					__wstdn(((const char **)args)[0], cstr_length(((const char**)args)[0]));
					++args; break;
			}

			start = buf + 1;
		}
	}

	if (buf - start > 0)
		__wstdn(start, buf - start);
}

#ifdef IO_LIB_UNIT_TEST
int main() {
	void *args[] = { "hallo", "welt" };
	wstdf__("%s %s\n", args);
}
#endif