hurd: fix warnings

	* sysdeps/generic/sigsetops.h (__sigemptyset, __sigfillset,
	__sigandset, __sigorset, __sigaddset, __sigdelset): Make them really
	return 0.

diff --git a/ChangeLog b/ChangeLog
index 7284b25b781e6478fcbba3e84dba94a7da9d4384..c52aa4266c14f9504b731ee0c60eb5a2e2ee911b 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -8,6 +8,9 @@
        <sys/wait.h>, <time.h>, <sys/uio.h>.
        (NOT_CANCEL_H): Add inclusion guard.
        * sysdeps/generic/sigset-cvt-mask.h: Include <sigsetops.h>.
+       * sysdeps/generic/sigsetops.h (__sigemptyset, __sigfillset,
+       __sigandset, __sigorset, __sigaddset, __sigdelset): Make them really
+       return 0.
 
 2018-01-27  James Clarke  <jrtc27@jrtc27.com>
 

diff --git a/sysdeps/generic/sigsetops.h b/sysdeps/generic/sigsetops.h
index 02bc728c0678bd7576e39ee827b9e53ab586f346..52b0e79071e7130137f5eb727c47c0f2f74442ba 100644 (file)
--- a/sysdeps/generic/sigsetops.h
+++ b/sysdeps/generic/sigsetops.h
@@ -28,12 +28,12 @@
 #define __sigemptyset(set)                     \
   (__extension__ ({                            \
     *(set) = (__sigset_t) 0;                   \
-    (void)0;                                   \
+    0;                                         \
   }))
 #define __sigfillset(set)                      \
   (__extension__ ({                            \
     *(set) = ~(__sigset_t) 0;                  \
-    (void)0;                                   \
+    0;                                         \
   }))
 
 # define __sigisemptyset(set)                  \
@@ -42,13 +42,13 @@
 # define __sigandset(dest, left, right)                \
   (__extension__ ({                            \
     *(dest) = *(left) & *(right);              \
-    (void)0;                                   \
+    0;                                         \
   }))
 
 # define __sigorset(dest, left, right)         \
   (__extension__ ({                            \
     *(dest) = *(left) | *(right);              \
-    (void)0;                                   \
+    0;                                         \
   }))
 
 /* These macros needn't check for a bogus signal number;
@@ -63,14 +63,14 @@
   (__extension__ ({                            \
     __sigset_t __mask = __sigmask (sig);       \
     *(set) |= __mask;                          \
-    (void)0;                                   \
+    0;                                         \
   }))
 
 # define __sigdelset(set, sig)                 \
   (__extension__ ({                            \
     __sigset_t __mask = __sigmask (sig);       \
     *(set) &= ~__mask;                         \
-    (void)0;                                   \
+    0;                                         \
   }))
 
 #endif