diff options
Diffstat (limited to 'gnuradio-core/src')
| -rw-r--r-- | gnuradio-core/src/lib/general/random.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gnuradio-core/src/lib/general/random.h b/gnuradio-core/src/lib/general/random.h index c5f6683de..c643c3e42 100644 --- a/gnuradio-core/src/lib/general/random.h +++ b/gnuradio-core/src/lib/general/random.h @@ -1,6 +1,6 @@ /* -*- c++ -*- */ /* - * Copyright 2003 Free Software Foundation, Inc. + * Copyright 2003, 2008 Free Software Foundation, Inc. * * This file is part of GNU Radio * @@ -23,9 +23,15 @@ #ifndef _RANDOM_H_ #define _RANDOM_H_ -// we use this because some systems (solaris) define RAND_MAX as 32767 +// While rand(3) specifies RAND_MAX, random(3) says that the output +// ranges from 0 to 2^31-1 but does not specify a macro to denote +// this. We define RANDOM_MAX for cleanliness. We must omit the +// definition for systems that have made the same choice. (Note that +// random(3) is from 4.2BSD, and not specified by POSIX.) -static const int RANDOM_MAX = 2147483647; +#ifndef RANDOM_MAX +static const int RANDOM_MAX = 2147483647; // 2^31-1 +#endif /* RANDOM_MAX */ #include <stdlib.h> |