Fixed warnings from gcc -Wclobbered by adding volatile qualifiers.

[mmh] / uip / rcvtty.c

diff --git a/uip/rcvtty.c b/uip/rcvtty.c
index 8b04d61..8ce068d 100644 (file)
--- a/uip/rcvtty.c
+++ b/uip/rcvtty.c
@@ -78,7 +78,7 @@ char *getusername(void);
 /*
  * static prototypes
  */
-static RETSIGTYPE alrmser (int);
+static void alrmser (int);
 static int message_fd (char **);
 static int header_fd (void);
 static void alert (char *, int);
@@ -204,12 +204,10 @@ main (int argc, char **argv)
 }
 
 
-static RETSIGTYPE
+static void
 alrmser (int i)
 {
-#ifndef RELIABLE_SIGNALS
-    SIGNAL (SIGALRM, alrmser);
-#endif
+    NMH_UNUSED (i);
 
     longjmp (myctx, 1);
 }
@@ -219,17 +217,12 @@ static int
 message_fd (char **vec)
 {
     pid_t child_id;
-    int bytes, fd, seconds;
+    int bytes, seconds;
+    volatile int fd;
     char tmpfil[BUFSIZ];
     struct stat st;
 
-#ifdef HAVE_MKSTEMP
     fd = mkstemp (strncpy (tmpfil, "/tmp/rcvttyXXXXX", sizeof(tmpfil)));
-#else
-    unlink (mktemp (strncpy (tmpfil, "/tmp/rcvttyXXXXX", sizeof(tmpfil))));
-    if ((fd = open (tmpfil, O_RDWR | O_CREAT | O_TRUNC, 0600)) == NOTOK)
-       return header_fd ();
-#endif
     unlink (tmpfil);
 
     if ((child_id = vfork()) == NOTOK) {
@@ -263,7 +256,7 @@ message_fd (char **vec)
             * Ruthlessly kill the child and anything
             * else in its process group.
             */
-           KILLPG(child_id, SIGKILL);
+           killpg(child_id, SIGKILL);
        }
        close (fd);
        return header_fd ();