JehanneOS/mksh
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* reduce amount of empty lines

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* replace some spaces by tabs
* shuffle code around (shrink)
This commit is contained in:
tg
2004-12-13 18:53:25 +00:00
parent f4b8bc819c
commit 978a1d53a1
13 changed files with 309 additions and 407 deletions
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68
missing.c
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@ -1,4 +1,4 @@
/** $MirBSD: src/bin/ksh/missing.c,v 2.1 2004/12/10 18:09:41 tg Exp $ */
/** $MirBSD: src/bin/ksh/missing.c,v 2.2 2004/12/13 18:53:25 tg Exp $ */
/* $OpenBSD: missing.c,v 1.5 2003/05/16 18:49:46 jsyn Exp $ */
/*
@ -9,6 +9,8 @@
#include "ksh_stat.h"
#include "ksh_dir.h"
__RCSID("$MirBSD: src/bin/ksh/missing.c,v 2.2 2004/12/13 18:53:25 tg Exp $");
#ifndef HAVE_MEMSET
void *
memset(d, c, n)
@ -289,3 +291,67 @@ dup2(oldd, newd)
return fcntl(oldd, F_DUPFD, newd);
}
#endif /* !HAVE_DUP2 */
/*
* Random functions
*/
#ifndef HAVE_SRANDOM
#undef HAVE_RANDOM
#endif
#ifdef KSH
int rnd_state;
void
rnd_seed(long newval)
{
rnd_put(newval);
rnd_state = 0;
}
long
rnd_get(void)
{
#ifdef HAVE_ARC4RANDOM
if (!rnd_state)
return arc4random() & 0x7FFF;
#endif
#ifdef HAVE_RANDOM
return random() & 0x7FFF;
#else
return rand();
#endif
}
void
rnd_put(long newval)
{
long sv;
rnd_state = 1 | rnd_get();
sv = (rnd_get() << (newval & 7)) ^ newval;
#if defined(HAVE_ARC4RANDOM_PUSH)
arc4random_push(sv);
#elif defined(HAVE_ARC4RANDOM_ADDRANDOM)
arc4random_addrandom((char *)&sv, sizeof(sv));
#endif
#ifdef HAVE_ARC4RANDOM
sv ^= arc4random();
#endif
#ifdef HAVE_RANDOM
srandom(sv);
#else
srand(sv);
#endif
while (rnd_state) {
rnd_get();
rnd_state >>= 1;
}
rnd_state = 1;
}
#endif /* def KSH */