Fix used-uninitialised warning in fmt_rfc2047.c

[mmh] / sbr / pidwait.c

diff --git a/sbr/pidwait.c b/sbr/pidwait.c
index a1555bb..ef42e1a 100644 (file)
--- a/sbr/pidwait.c
+++ b/sbr/pidwait.c
@@ -2,8 +2,6 @@
 /*
  * pidwait.c -- wait for child to exit
  *
- * $Id$
- *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for
  * complete copyright information.
@@ -11,6 +9,7 @@
 
 #include <h/mh.h>
 #include <h/signals.h>
+#include <errno.h>
 #include <signal.h>
 
 #ifdef HAVE_SYS_WAIT_H
@@ -21,12 +20,12 @@ int
 pidwait (pid_t id, int sigsok)
 {
     pid_t pid;
-    SIGNAL_HANDLER istat, qstat;
+    SIGNAL_HANDLER istat = NULL, qstat = NULL;
 
-#ifdef WAITINT
-    int status;
-#else
+#ifdef HAVE_UNION_WAIT
     union wait status;
+#else
+    int status;
 #endif
 
     if (sigsok == -1) {
@@ -36,7 +35,8 @@ pidwait (pid_t id, int sigsok)
     }
 
 #ifdef HAVE_WAITPID
-    pid = waitpid(id, &status, 0);
+    while ((pid = waitpid(id, &status, 0)) == -1 && errno == EINTR)
+       ;
 #else
     while ((pid = wait(&status)) != -1 && pid != id)
        continue;
@@ -48,9 +48,9 @@ pidwait (pid_t id, int sigsok)
        SIGNAL (SIGQUIT, qstat);
     }
 
-#ifdef WAITINT
-    return (pid == -1 ? -1 : status);
-#else
+#ifdef HAVE_UNION_WAIT
     return (pid == -1 ? -1 : status.w_status);
+#else
+    return (pid == -1 ? -1 : status);
 #endif
 }