1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
#! /bin/sh -e
dir=.
if [ $# -eq 3 -a "$2" = '-d' ]; then
pdir="-d $3"
dir=$3
elif [ $# -ne 1 ]; then
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
fi
case "$1" in
-patch)
patch $pdir -f --no-backup-if-mismatch -p1 < $0
echo '2.05' > $dir/_distribution
echo '0' > $dir/_patchlevel
cd $dir && autoconf
rm -f $dir/_distribution $dir/_patchlevel
;;
-unpatch)
patch $pdir -f --no-backup-if-mismatch -R -p1 < $0
rm -f $dir/configure $dir/_distribution $dir/_patchlevel
;;
*)
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
esac
exit 0
# DP: use the system random functions
--- bash-2.05-old/configure.in Mon Nov 6 14:21:35 2000
+++ bash-2.05/configure.in Sun Nov 26 20:42:06 2000
@@ -479,6 +479,9 @@
siginterrupt memmove ttyname gethostbyname getservbyname \
inet_aton strpbrk setvbuf pathconf)
+dnl checks for random functions
+AC_CHECK_FUNCS(random srandom)
+
dnl checks for locale functions
AC_CHECK_HEADERS(libintl.h)
AC_CHECK_FUNCS(gettext textdomain bindtextdomain)
--- bash-2.05-old/config.h.in Mon Oct 2 15:44:22 2000
+++ bash-2.05/config.h.in Sun Nov 26 21:51:18 2000
@@ -462,6 +462,9 @@
/* Define if you have the putenv function. */
#undef HAVE_PUTENV
+/* Define if you have the random function. */
+#undef HAVE_RANDOM
+
/* Define if you have the readlink function. */
#undef HAVE_READLINK
@@ -524,6 +527,9 @@
/* Define if you have the strsignal function or macro. */
#undef HAVE_STRSIGNAL
+
+/* Define if you have the srandom function. */
+#undef HAVE_SRANDOM
/* Define if you have the sysconf function. */
#undef HAVE_SYSCONF
--- bash-2.05b/variables.c~ 2002-06-25 15:43:33.000000000 +0200
+++ bash-2.05b/variables.c 2004-04-14 08:26:10.000000000 +0200
@@ -1038,17 +1038,26 @@
/* The random number seed. You can change this by setting RANDOM. */
static unsigned long rseed = 1;
static int last_random_value;
+#if defined(HAVE_RANDOM)
+static char random_state[32];
+#endif
-/* A linear congruential random number generator based on the example
- one in the ANSI C standard. This one isn't very good, but a more
- complicated one is overkill. */
+/* Use the random number genrator provided by the standard C library,
+ else use a linear congruential random number generator based on the
+ ANSI C standard. This one isn't very good (the values are alternately
+ odd and even, for example), but a more complicated one is overkill. */
/* Returns a pseudo-random number between 0 and 32767. */
static int
brand ()
{
+#if defined(HAVE_RANDOM)
+ rseed = (unsigned int) ((32767.0 * random()) / (RAND_MAX + 1.0));
+ return rseed;
+#else
rseed = rseed * 1103515245 + 12345;
return ((unsigned int)((rseed >> 16) & 32767)); /* was % 32768 */
+#endif
}
/* Set the random number generator seed to SEED. */
@@ -1056,8 +1065,14 @@
sbrand (seed)
unsigned long seed;
{
+#if defined(HAVE_SRANDOM)
+ initstate((unsigned int) seed, random_state, sizeof(random_state));
+ setstate(random_state);
+ srandom((unsigned int) seed);
+#else
rseed = seed;
last_random_value = 0;
+#endif
}
static SHELL_VAR *
|
