#include "file.h"

#include <stdio.h>

extern int __fputc(int c, struct __opaque_file *stream);

int puts(const char *restrict str)
{
	struct __opaque_file *stream = stdout;
	__libc_file_lock(stream);
	if (stream->f_flags & (FILE_EOF | FILE_ERR)) {
		__libc_file_unlock(stream);
		return EOF;
	}

	size_t i = 0;
	int err = 0;
	for (i = 0; str[i]; i++) {
		err = __fputc(str[i], stream);
		if (err < 0) {
			break;
		}
	}

	if (err >= 0) {
		err = __fputc('\n', stream);
	}

	__libc_file_unlock(stream);

	if (i > 0) {
		return i;
	}

	return err;
}