expose a helper function peel_to_type().

diff --git a/copy.c b/copy.c
index 08a3d388a4c312fca18558b2b8e5dcf027c7afaf..c225d1b0ff0a67e637f7200ab5c2a917b550af4f 100644 (file)
--- a/copy.c
+++ b/copy.c
@@ -3,10 +3,9 @@
 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) {
@@ -35,4 +34,3 @@ int copy_fd(int ifd, int ofd)
        close(ifd);
        return 0;
 }
-