void send_file_back(char * filename)
{
int fd = open(filename, O_RDONLY);
if (fd < 0) {
perror("open file");
exit(1);
}
if (!copy_fd_all(1, fd))
exit(1);
close(fd);
}
int copy_and_return_nonemptiness(int tmpfd)
{
struct stat st;
if (!copy_fd_all(tmpfd, 0))
gui_fatal("receiving file from dispVM");
if (fstat(tmpfd, &st))
gui_fatal("fstat");
close(tmpfd);
return st.st_size;
}
void copy_file(char *filename)
{
int fd = open(filename, O_WRONLY | O_CREAT, 0600);
if (fd < 0) {
perror("open file");
exit(1);
}
if (!copy_fd_all(fd, 0))
exit(1);
close(fd);
}
void copy_file_by_name(const char *filename)
{
int fd = open(filename, O_WRONLY | O_CREAT | O_EXCL, 0600);
if (fd < 0) {
perror("open file");
exit(1);
}
/* we now have created a new file, ensure we delete it at the end */
cleanup_filename = filename;
atexit(cleanup_file);
if (!copy_fd_all(fd, 0))
exit(1);
close(fd);
}
void send_file(char *fname)
{
char *base;
int fd = open(fname, O_RDONLY);
if (fd < 0)
gui_fatal("open %s", fname);
base = rindex(fname, '/');
if (!base)
base = fname;
else
base++;
if (strlen(base) >= DVM_FILENAME_SIZE)
base += strlen(base) - DVM_FILENAME_SIZE + 1;
if (!write_all(1, base, DVM_FILENAME_SIZE))
gui_fatal("send filename to dispVM");
if (!copy_fd_all(1, fd))
gui_fatal("send file to dispVM");
close(1);
}
