Fix invalid pointer arithmetic.

[nmh] / sbr / signals.c

diff --git a/sbr/signals.c b/sbr/signals.c
index 7645c1ccd52e9a6e591dd5d81b12e6be0ff61ddc..ad18261bb734d64e5badd07f5876a9edb260d9a5 100644 (file)
--- a/sbr/signals.c
+++ b/sbr/signals.c
@@ -1,6 +1,4 @@
-
-/*
- * signals.c -- general signals interface for nmh
+/* signals.c -- general signals interface for nmh
  *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for
@@ -9,9 +7,7 @@
 
 #include <h/mh.h>
 #include <h/signals.h>
-
-/* sbr/m_mktemp.c */
-extern void remove_registered_files(int);
+#include "m_mktemp.h"
 
 
 /*
@@ -43,8 +39,8 @@ SIGNAL (int sig, SIGNAL_HANDLER func)
 # endif
     }
     if (sigaction(sig, &act, &oact) < 0)
-       return (SIG_ERR);
-    return (oact.sa_handler);
+       return SIG_ERR;
+    return oact.sa_handler;
 }
 
 
@@ -60,7 +56,7 @@ SIGNAL2 (int sig, SIGNAL_HANDLER func)
     struct sigaction act, oact;
 
     if (sigaction(sig, NULL, &oact) < 0)
-       return (SIG_ERR);
+       return SIG_ERR;
     if (oact.sa_handler != SIG_IGN) {
        act.sa_handler = func;
        sigemptyset(&act.sa_mask);
@@ -76,9 +72,9 @@ SIGNAL2 (int sig, SIGNAL_HANDLER func)
 # endif
        }
        if (sigaction(sig, &act, &oact) < 0)
-           return (SIG_ERR);
+           return SIG_ERR;
     }
-    return (oact.sa_handler);
+    return oact.sa_handler;
 }
 
 
@@ -86,7 +82,7 @@ SIGNAL2 (int sig, SIGNAL_HANDLER func)
  * For use by nmh_init().
  */
 int
-setup_signal_handlers() {
+setup_signal_handlers(void) {
     /*
      * Catch HUP, INT, QUIT, and TERM so that we can clean up tmp
      * files when the user terminates the process early.  And also a