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make mksh compatible to the AT&T ksh spec which says, according to

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twkm (from #ksh on freenode), that $RANDOM is always an unsigned
15-bit decimal integer.

(RANDOM << 15 | RANDOM) thusly yields 30 bit, which is still more
than 36^5, so we can use it on the baselife CD to speed things up
This commit is contained in:
tg
2006-11-19 16:43:43 +00:00
parent 8adc4a2c56
commit c2e79abc08
4 changed files with 14 additions and 17 deletions
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12
var.c
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@@ -2,7 +2,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/var.c,v 1.32 2006/11/12 14:58:16 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/var.c,v 1.33 2006/11/19 16:43:43 tg Exp $");
/*
* Variables
@@ -853,7 +853,7 @@ makenv(void)
* we return values from rand() instead of arc4random()
*/
#if HAVE_ARC4RANDOM
int use_rand = 0;
static int use_rand = 0;
#endif
/*
@@ -919,13 +919,11 @@ getspec(struct tbl *vp)
case V_RANDOM:
vp->flag &= ~SPECIAL;
#if HAVE_ARC4RANDOM
if (use_rand)
#endif
setint(vp, (long) (rand() & 0x7FFF));
#if HAVE_ARC4RANDOM
if (!use_rand)
setint(vp, arc4random() & 0x7FFF);
else
setint(vp, arc4random() & 0x7FFFFFFF);
#endif
setint(vp, rand() & 0x7FFF);
vp->flag |= SPECIAL;
break;
case V_HISTSIZE: