Pedro Monreal Gonzalez
0b66c025c3
OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/libxslt?expand=0&rev=105
45 lines
972 B
Diff
45 lines
972 B
Diff
commit 047a0fd99e64c554c4edf44cc67ee765b09af017
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Author: Marcus Meissner <meissner@suse.de>
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Date: Tue Apr 4 16:27:39 2017 +0200
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initialize the random seed
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Index: libxslt-v1.1.36/libexslt/math.c
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===================================================================
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--- libxslt-v1.1.36.orig/libexslt/math.c
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+++ libxslt-v1.1.36/libexslt/math.c
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@@ -12,6 +12,12 @@
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#include <math.h>
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#include <stdlib.h>
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+#ifdef HAVE_UNISTD_H
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+#include <unistd.h>
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+#endif
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+#include <fcntl.h>
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+#include <time.h>
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+
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#include "exslt.h"
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/**
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@@ -460,6 +468,20 @@ static double
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exsltMathRandom (void) {
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double ret;
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int num;
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+ long seed;
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+ static int randinit = 0;
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+
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+ if (!randinit) {
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+ int fd = open("/dev/urandom",O_RDONLY);
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+
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+ seed = time(NULL); /* just in case /dev/urandom is not there */
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+ if (fd != -1) {
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+ read (fd, &seed, sizeof(seed));
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+ close (fd);
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+ }
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+ srand(seed);
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+ randinit = 1;
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+ }
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num = rand();
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ret = (double)num / (double)RAND_MAX;
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