(convert_mask, __sigvec): Don't check int mask beyound its size.

diff --git a/sysdeps/posix/sigvec.c b/sysdeps/posix/sigvec.c
index 59d30f2d29fdf3a3c4135e9c7195559b8d1a6ca3..509034600fae00accbf4ea077a319faf6936c8a3 100644 (file)
--- a/sysdeps/posix/sigvec.c
+++ b/sysdeps/posix/sigvec.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 94, 95, 96 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -62,7 +62,7 @@ convert_mask (set, mask)
       if (__sigemptyset (set) < 0)
        return -1;
 
-      for (sig = 1; sig < NSIG; ++sig)
+      for (sig = 1; sig < NSIG && sig <= sizeof (mask) * 8; ++sig)
        if ((mask & sigmask (sig)) && __sigaddset (set, sig) < 0)
          return -1;
     }
@@ -138,7 +138,7 @@ __sigvec (sig, vec, ovec)
       else if (sizeof (unsigned long int) == sizeof (sigset_t))
        mask = *(unsigned long int *) &old.sa_mask;
       else
-       for (i = 1; i < NSIG; ++i)
+       for (i = 1; i < NSIG && i <= sizeof (mask) * 8; ++i)
          if (__sigismember(&old.sa_mask, i))
            mask |= sigmask(i);