a bit more careful about write errors

SCCS-vsn: lib/libc/net/rcmd.c 4.6

diff --git a/usr/src/lib/libc/net/rcmd.c b/usr/src/lib/libc/net/rcmd.c
index afd3af2..47bc868 100644 (file)
--- a/usr/src/lib/libc/net/rcmd.c
+++ b/usr/src/lib/libc/net/rcmd.c
@@ -1,5 +1,5 @@
 #ifndef lint
 #ifndef lint

-static char sccsid[] = "@(#)rcmd.c     4.5 %G%";
+static char sccsid[] = "@(#)rcmd.c     4.6 %G%";

 #endif
 
 #include <stdio.h>
 #endif
 
 #include <stdio.h>


@@ -68,7 +68,11 @@ retry:
                }
                listen(s2, 1);
                (void) sprintf(num, "%d", lport);
                }
                listen(s2, 1);
                (void) sprintf(num, "%d", lport);

-               (void) write(s, num, strlen(num)+1);
+               if (write(s, num, strlen(num)+1) != strlen(num)+1) {
+                       perror("write: setting up stderr");
+                       (void) close(s2);
+                       goto bad;
+               }

                { int len = sizeof (from);
                  s3 = accept(s2, &from, &len, 0);
                  close(s2);
                { int len = sizeof (from);
                  s3 = accept(s2, &from, &len, 0);
                  close(s2);