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Use srandomdev() now

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Fix error with begin variable calculation
This commit is contained in:
Andrey A. Chernov 1997-03-30 23:13:59 +00:00
parent 514e9fd6b8
commit 5790155e89
1 changed files with 10 additions and 5 deletions
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15
usr.bin/jot/jot.c
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@ -96,7 +96,11 @@ main(argc, argv)
getargs(argc, argv);
if (randomize) {
*x = (ender - begin) * (ender > begin ? 1 : -1);
srandom((unsigned long) s);
if (s == -1.0) {
if (srandomdev() < 0)
srandom(time(NULL) ^ getpid());
} else
srandom((unsigned long) s);
for (*i = 1; *i <= reps || infinity; (*i)++) {
*y = (double) random() / LONG_MAX;
putdata(*y * *x + begin, reps - *i);
@ -250,7 +254,7 @@ getargs(ac, av)
mask = 015;
break;
case 012:
s = (randomize ? time(NULL) ^ getpid() : STEP_DEF);
s = (randomize ? -1.0 : STEP_DEF);
mask = 013;
break;
case 013:
@ -258,11 +262,12 @@ getargs(ac, av)
begin = BEGIN_DEF;
else if (reps == 0)
error("Must specify begin if reps == 0", "");
begin = ender - reps * s + s;
else
begin = ender - reps * s + s;
mask = 0;
break;
case 014:
s = (randomize ? time(NULL) ^ getpid() : STEP_DEF);
s = (randomize ? -1.0 : STEP_DEF);
mask = 015;
break;
case 015:
@ -274,7 +279,7 @@ getargs(ac, av)
break;
case 016:
if (randomize)
s = time(NULL) ^ getpid();
s = -1.0;
else if (reps == 0)
error("Infinite sequences cannot be bounded",
"");