int copy_fd(int ifd, int ofd)
{
while (1) {
- int len;
char buffer[8192];
char *buf = buffer;
- len = xread(ifd, buffer, sizeof(buffer));
+ ssize_t len = xread(ifd, buffer, sizeof(buffer));
if (!len)
break;
if (len < 0) {
buf += written;
len -= written;
}
- else if (!written)
+ else if (!written) {
+ close(ifd);
return error("copy-fd: write returned 0");
- else
+ } else {
+ close(ifd);
return error("copy-fd: write returned %s",
strerror(errno));
+ }
}
}
close(ifd);
return 0;
}
-