nativelibc/posix-io/read.c

#include <windows.h>
#include <nt.h>
//#include <errno.h>
#include <unistd.h>

int read(int fd, void *buffer, size_t count) {
	if(fd == STDOUT_FILENO || fd == STDERR_FILENO) {
		//errno = EBADF;
		return -1;
	}
	IO_STATUS_BLOCK io_status;
	long int status = NtReadFile((void *)fd, NULL, NULL, NULL, &io_status, buffer, count, NULL, NULL);
	//printf("nativelibc debug: read: status = 0x%lx\n", status);
	//if(ntstatus_to_errno(status)) return -1;
	if(status && status != STATUS_PENDING) return -1;		// TODO: implemente the errno
	return io_status.Information;
}