prefer (X ? 1 : -1) when converting from boolean (1,0) to int (1,-1)

[gnulib.git] / lib / spawn.in.h

diff --git a/lib/spawn.in.h b/lib/spawn.in.h
index fa41619..543475b 100644 (file)
--- a/lib/spawn.in.h
+++ b/lib/spawn.in.h
@@ -147,10 +147,11 @@ typedef struct
     | (POSIX_SPAWN_SETSCHEDULER > 0 ? POSIX_SPAWN_SETSCHEDULER - 1 : 0))  \
    + 1)
 typedef int verify_POSIX_SPAWN_USEVFORK_no_overlap
-            [2 * (((POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETPGROUP
+                 [((POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETPGROUP
                     | POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK
                     | POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER)
-                   & POSIX_SPAWN_USEVFORK) == 0) - 1];
+                   & POSIX_SPAWN_USEVFORK) == 0)
+                  ? 1 : -1];
 
 
 #if @GNULIB_POSIX_SPAWN@