back out; it slows down (interactive) work on slow machines
quite a bit, and users can seed $RANDOM in their ~/.profile by using RANDOM=$(dd if=/dev/prandom count=1 2>/dev/null |\ cksum | while read a b; do echo $a; done) instead.
This commit is contained in:
parent
b77a4be013
commit
c4fec215ff
8
ksh.1tbl
8
ksh.1tbl
@ -1,4 +1,4 @@
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.\" $MirBSD: ksh.1tbl,v 1.20 2004/04/26 18:20:45 tg Exp $
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.\" $MirBSD: ksh.1tbl,v 1.21 2004/04/26 18:38:19 tg Exp $
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.\" $OpenBSD: ksh.1tbl,v 1.65 2004/01/23 23:08:45 jmc Exp $
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.\"
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.\" Copyright (c) 1980, 1990, 1993
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@ -1565,11 +1565,6 @@ The point in the series can be set by assigning a number to
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.Ev RANDOM
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(see
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.Xr rand 3 ) .
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On startup,
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.Nm
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reads four bytes out of
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.Pa /dev/urandom
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if exists, and XORs the default seed with it.
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.It Ev REPLY
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Default parameter for the
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.Ic read
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@ -5107,7 +5102,6 @@ deleted and a new prompt to be printed.
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.It Pa ~/.profile
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.It Pa /etc/profile
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.It Pa /etc/suid_profile
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.It Pa /dev/urandom
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.El
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.Sh SEE ALSO
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.Xr awk 1 ,
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12
main.c
12
main.c
@ -1,4 +1,4 @@
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/* $MirBSD: main.c,v 1.4 2004/04/26 18:28:07 tg Exp $ */
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/* $MirBSD: main.c,v 1.5 2004/04/26 18:38:20 tg Exp $ */
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/* $OpenBSD: main.c,v 1.26 2004/01/08 05:43:14 jmc Exp $ */
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/*
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@ -94,8 +94,6 @@ main(int argc, char *argv[])
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char **wp;
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struct env env;
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pid_t ppid;
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long trnd;
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FILE *tfil;
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#ifdef MEM_DEBUG
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chmem_set_defaults("ct", 1);
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@ -258,13 +256,7 @@ main(int argc, char *argv[])
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ppid = getppid();
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setint(global("PPID"), (long) ppid);
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#ifdef KSH
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trnd = *((long *)kshname);
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if (Flag(FSH) != 1) if ((tfil = fopen("/dev/urandom", "rb")) != NULL) {
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fread(&trnd, 4, 1, tfil);
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fclose(tfil);
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}
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trnd ^= (long) (time((time_t *)0) * kshpid * ppid);
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setint(global("RANDOM"), trnd);
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setint(global("RANDOM"), (long) (time((time_t *)0) * kshpid * ppid));
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#endif /* KSH */
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/* setstr can't fail here */
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setstr(global(version_param), ksh_version, KSH_RETURN_ERROR);
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