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More XPG4.2 --

setstate takes a const parameter
don't ever spew to stderr, just return NULL
OPENBSD_2_3
millert 27 years ago
parent
commit
d919ab04d0
3 changed files with 23 additions and 17 deletions
  1. +4
    -4
      src/include/stdlib.h
  2. +14
    -4
      src/lib/libc/stdlib/random.3
  3. +5
    -9
      src/lib/libc/stdlib/random.c

+ 4
- 4
src/include/stdlib.h View File

@ -1,4 +1,4 @@
/* $OpenBSD: stdlib.h,v 1.6 1998/02/06 01:49:06 deraadt Exp $ */
/* $OpenBSD: stdlib.h,v 1.7 1998/02/07 02:16:26 millert Exp $ */
/* $NetBSD: stdlib.h,v 1.25 1995/12/27 21:19:08 jtc Exp $ */
/*-
@ -166,11 +166,11 @@ int radixsort __P((const unsigned char **, int, const unsigned char *,
int sradixsort __P((const unsigned char **, int, const unsigned char *,
unsigned));
char *initstate __P((unsigned, char *, size_t));
char *initstate __P((unsigned int, char *, size_t));
long random __P((void));
char *realpath __P((const char *, char *));
char *setstate __P((char *));
void srandom __P((unsigned));
char *setstate __P((const char *));
void srandom __P((unsigned int));
int putenv __P((const char *));
int setenv __P((const char *, const char *, int));


+ 14
- 4
src/lib/libc/stdlib/random.3 View File

@ -29,7 +29,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $OpenBSD: random.3,v 1.4 1998/02/06 01:49:08 deraadt Exp $
.\" $OpenBSD: random.3,v 1.5 1998/02/07 02:16:25 millert Exp $
.\"
.Dd April 19, 1991
.Dt RANDOM 3
@ -45,11 +45,11 @@
.Ft long
.Fn random void
.Ft void
.Fn srandom "unsigned seed"
.Fn srandom "unsigned int seed"
.Ft char *
.Fn initstate "unsigned seed" "char *state" "size_t n"
.Fn initstate "unsigned int seed" "char *state" "size_t n"
.Ft char *
.Fn setstate "char *state"
.Fn setstate "const char *state"
.Sh DESCRIPTION
The
.Fn random
@ -162,7 +162,17 @@ is called with less than 8 bytes of state information, or if
detects that the state information has been garbled, error
messages are printed on the standard error output.
.Sh SEE ALSO
.Xr drand48 3 ,
.Xr rand 3
.Sh STANDARDS
The
.Fn random ,
.Fn srandom ,
.Fn initstate ,
and
.Fn setstate
functions conform to
.St -xpg4.2 .
.Sh HISTORY
These
functions appeared in


+ 5
- 9
src/lib/libc/stdlib/random.c View File

@ -32,7 +32,7 @@
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char *rcsid = "$OpenBSD: random.c,v 1.5 1998/02/06 01:49:08 deraadt Exp $";
static char *rcsid = "$OpenBSD: random.c,v 1.6 1998/02/07 02:16:25 millert Exp $";
#endif /* LIBC_SCCS and not lint */
#include <stdio.h>
@ -250,11 +250,8 @@ initstate(seed, arg_state, n)
state[-1] = rand_type;
else
state[-1] = MAX_TYPES * (rptr - state) + rand_type;
if (n < BREAK_0) {
(void)fprintf(stderr,
"random: not enough state (%d bytes); ignored.\n", n);
return(0);
}
if (n < BREAK_0)
return(NULL);
if (n < BREAK_1) {
rand_type = TYPE_0;
rand_deg = DEG_0;
@ -303,7 +300,7 @@ initstate(seed, arg_state, n)
*/
char *
setstate(arg_state)
char *arg_state;
const char *arg_state;
{
register long *new_state = (long *)arg_state;
register int type = new_state[0] % MAX_TYPES;
@ -325,8 +322,7 @@ setstate(arg_state)
rand_sep = seps[type];
break;
default:
(void)fprintf(stderr,
"random: state info corrupted; not changed.\n");
return(NULL);
}
state = &new_state[1];
if (rand_type != TYPE_0) {


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