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Add key fetching interface.
[u/mdw/catacomb]
/
lcrand.c
diff --git
a/lcrand.c
b/lcrand.c
index
3686e17
..
88e9591
100644
(file)
--- a/
lcrand.c
+++ b/
lcrand.c
@@
-1,6
+1,6
@@
/* -*-c-*-
*
/* -*-c-*-
*
- * $Id: lcrand.c,v 1.
1 1999/12/10 23:15:27
mdw Exp $
+ * $Id: lcrand.c,v 1.
2 1999/12/13 15:34:01
mdw Exp $
*
* Simple linear congruential generator
*
*
* Simple linear congruential generator
*
@@
-30,6
+30,9
@@
/*----- Revision history --------------------------------------------------*
*
* $Log: lcrand.c,v $
/*----- Revision history --------------------------------------------------*
*
* $Log: lcrand.c,v $
+ * Revision 1.2 1999/12/13 15:34:01 mdw
+ * Add support for seeding from a generic pseudorandom source.
+ *
* Revision 1.1 1999/12/10 23:15:27 mdw
* Noncryptographic random number generator.
*
* Revision 1.1 1999/12/10 23:15:27 mdw
* Noncryptographic random number generator.
*
@@
-201,6
+204,7
@@
static int gmisc(grand *r, unsigned op, ...)
case GRAND_CHECK:
case GRAND_SEEDINT:
case GRAND_SEEDUINT32:
case GRAND_CHECK:
case GRAND_SEEDINT:
case GRAND_SEEDUINT32:
+ case GRAND_SEEDRAND:
rc = 1;
break;
default:
rc = 1;
break;
default:
@@
-214,6
+218,12
@@
static int gmisc(grand *r, unsigned op, ...)
case GRAND_SEEDUINT32:
g->x = va_arg(ap, uint32);
break;
case GRAND_SEEDUINT32:
g->x = va_arg(ap, uint32);
break;
+ case GRAND_SEEDRAND: {
+ grand *rr = va_arg(ap, grand *);
+ uint32 x;
+ do x = rr->ops->word(rr); while (x >= P || x == LCRAND_FIXEDPT);
+ g->x = x;
+ } break;
default:
GRAND_BADOP;
break;
default:
GRAND_BADOP;
break;