X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=unix%2Fuxsel.c;h=e2979c9a01e6aed34f27c5f2bf440bb5dd083717;hb=481ebd232e07a644b4ef5d6f1d13edc58a194971;hp=0383faa69d02624c9d459afb046f7d0177705687;hpb=406d2d8a3274bf325f7e356076de8065b5118ad4;p=PuTTY.git

diff --git a/unix/uxsel.c b/unix/uxsel.c
index 0383faa6..e2979c9a 100644
--- a/unix/uxsel.c
+++ b/unix/uxsel.c
@@ -62,22 +62,18 @@ void uxsel_init(void)
 
 void uxsel_set(int fd, int rwx, uxsel_callback_fn callback)
 {
-    struct fd *newfd = snew(struct fd);
-    struct fd *oldfd;
+    struct fd *newfd;
 
-    newfd->fd = fd;
-    newfd->rwx = rwx;
-    newfd->callback = callback;
+    uxsel_del(fd);
 
-    oldfd = find234(fds, newfd, NULL);
-    if (oldfd) {
-	uxsel_input_remove(oldfd->id);
-	del234(fds, oldfd);
-	sfree(oldfd);
+    if (rwx) {
+	newfd = snew(struct fd);
+	newfd->fd = fd;
+	newfd->rwx = rwx;
+	newfd->callback = callback;
+	newfd->id = uxsel_input_add(fd, rwx);
+	add234(fds, newfd);
     }
-
-    add234(fds, newfd);
-    newfd->id = uxsel_input_add(fd, rwx);
 }
 
 void uxsel_del(int fd)