diff options
| author | ache <ache@FreeBSD.org> | 1997-03-08 11:40:15 +0000 |
|---|---|---|
| committer | ache <ache@FreeBSD.org> | 1997-03-08 11:40:15 +0000 |
| commit | f30aec925d4dc9ec99350b322a73bbe50ca9177b (patch) | |
| tree | ec36cb9f3d02822c12e3704c70e7024b17fdcfdc /usr.bin/jot | |
| parent | e95b6aea734b6750e6fa6b784d986f9605d8bc7d (diff) | |
| download | FreeBSD-src-f30aec925d4dc9ec99350b322a73bbe50ca9177b.zip FreeBSD-src-f30aec925d4dc9ec99350b322a73bbe50ca9177b.tar.gz | |
Add ^ getpid() to make more random results for subsequent calling.
Add proper type casting to random calls
Should go into 2.2
Diffstat (limited to 'usr.bin/jot')
| -rw-r--r-- | usr.bin/jot/jot.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/usr.bin/jot/jot.c b/usr.bin/jot/jot.c index 700a1da..81751ca 100644 --- a/usr.bin/jot/jot.c +++ b/usr.bin/jot/jot.c @@ -53,6 +53,7 @@ static char sccsid[] = "@(#)jot.c 8.1 (Berkeley) 6/6/93"; #include <stdlib.h> #include <string.h> #include <time.h> +#include <unistd.h> #define REPS_DEF 100 #define BEGIN_DEF 1 @@ -95,9 +96,9 @@ main(argc, argv) getargs(argc, argv); if (randomize) { *x = (ender - begin) * (ender > begin ? 1 : -1); - srandom((int) s); + srandom((unsigned) s); for (*i = 1; *i <= reps || infinity; (*i)++) { - *y = (double) random() / INT_MAX; + *y = (double) random() / LONG_MAX; putdata(*y * *x + begin, reps - *i); } } @@ -249,7 +250,7 @@ getargs(ac, av) mask = 015; break; case 012: - s = (randomize ? time(0) : STEP_DEF); + s = (randomize ? time(NULL) ^ getpid() : STEP_DEF); mask = 013; break; case 013: @@ -261,7 +262,7 @@ getargs(ac, av) mask = 0; break; case 014: - s = (randomize ? time(0) : STEP_DEF); + s = (randomize ? time(NULL) ^ getpid() : STEP_DEF); mask = 015; break; case 015: @@ -273,7 +274,7 @@ getargs(ac, av) break; case 016: if (randomize) - s = time(0); + s = time(NULL) ^ getpid(); else if (reps == 0) error("Infinite sequences cannot be bounded", ""); |
