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authorPaul Janzen <pjanzen@cvs.openbsd.org>2001-08-19 22:50:58 +0000
committerPaul Janzen <pjanzen@cvs.openbsd.org>2001-08-19 22:50:58 +0000
commitb9b5996f53153c62c31507885a3df367fb9d3f35 (patch)
tree486cd162d83db6a94fed52ef594edaecaf887aa0 /games/primes
parentc3b8d08d8545ced159b533349adb86a5b2a9463b (diff)
-Wall fix, typo fix, and better includes
Diffstat (limited to 'games/primes')
-rw-r--r--games/primes/primes.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/games/primes/primes.c b/games/primes/primes.c
index 5fe68f1d8df..d5a9149480f 100644
--- a/games/primes/primes.c
+++ b/games/primes/primes.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: primes.c,v 1.8 2001/08/19 16:30:43 pjanzen Exp $ */
+/* $OpenBSD: primes.c,v 1.9 2001/08/19 22:50:57 pjanzen Exp $ */
/* $NetBSD: primes.c,v 1.5 1995/04/24 12:24:47 cgd Exp $ */
/*
@@ -47,7 +47,7 @@ static char copyright[] =
#if 0
static char sccsid[] = "@(#)primes.c 8.5 (Berkeley) 5/10/95";
#else
-static char rcsid[] = "$OpenBSD: primes.c,v 1.8 2001/08/19 16:30:43 pjanzen Exp $";
+static char rcsid[] = "$OpenBSD: primes.c,v 1.9 2001/08/19 22:50:57 pjanzen Exp $";
#endif
#endif /* not lint */
@@ -74,9 +74,9 @@ static char rcsid[] = "$OpenBSD: primes.c,v 1.8 2001/08/19 16:30:43 pjanzen Exp
#include <errno.h>
#include <limits.h>
#include <math.h>
-#include <memory.h>
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include <unistd.h>
#include "primes.h"
@@ -237,6 +237,7 @@ primes(start, stop)
char *tab_lim; /* the limit to sieve on the table */
const ubig *p; /* prime table pointer */
ubig fact_lim; /* highest prime for current block */
+ ubig mod;
/*
* A number of systems can not convert double values into unsigned
@@ -317,13 +318,12 @@ primes(start, stop)
p = &prime[7]; /* 19 is next prime, pi(19)=7 */
do {
/* determine the factor's initial sieve point */
- q = (char *)(start%factor); /* temp storage for mod */
- if ((long)q & 0x1) {
- q = &table[(factor-(long)q)/2];
- } else {
- q = &table[q ? factor-((long)q/2) : 0];
- }
- /* sive for our current factor */
+ mod = start % factor;
+ if (mod & 0x1)
+ q = &table[(factor - mod)/2];
+ else
+ q = &table[mod ? factor-(mod/2) : 0];
+ /* sieve for our current factor */
for ( ; q < tab_lim; q += factor) {
*q = '\0'; /* sieve out a spot */
}