[Glibc-bsd-commits] r4931 - in trunk/freebsd-glue: debian include src

[Robert Millan]

Author: rmh
Date: 2013-09-02 17:15:50 +0000 (Mon, 02 Sep 2013)
New Revision: 4931

Added:
   trunk/freebsd-glue/src/random.c
Modified:
   trunk/freebsd-glue/debian/changelog
   trunk/freebsd-glue/include/stdlib.h
   trunk/freebsd-glue/src/Makefile
Log:
Implement srandomdev()

Modified: trunk/freebsd-glue/debian/changelog
===================================================================
--- trunk/freebsd-glue/debian/changelog	2013-09-01 19:53:05 UTC (rev 4930)
+++ trunk/freebsd-glue/debian/changelog	2013-09-02 17:15:50 UTC (rev 4931)
@@ -1,3 +1,9 @@
+freebsd-glue (0.1.4) UNRELEASED; urgency=low
+
+  * Implement srandomdev().
+
+ -- Robert Millan <rmh at debian.org>  Mon, 02 Sep 2013 16:49:24 +0200
+
 freebsd-glue (0.1.3) unstable; urgency=low
 
   * linkaddr.c is kFreeBSD-specific.

Modified: trunk/freebsd-glue/include/stdlib.h
===================================================================
--- trunk/freebsd-glue/include/stdlib.h	2013-09-01 19:53:05 UTC (rev 4930)
+++ trunk/freebsd-glue/include/stdlib.h	2013-09-02 17:15:50 UTC (rev 4931)
@@ -5,4 +5,10 @@
 
 #include <bsd/stdlib.h>
 
+__BEGIN_DECLS
+
+void srandomdev (void);
+
+__END_DECLS
+
 #endif

Modified: trunk/freebsd-glue/src/Makefile
===================================================================
--- trunk/freebsd-glue/src/Makefile	2013-09-01 19:53:05 UTC (rev 4930)
+++ trunk/freebsd-glue/src/Makefile	2013-09-02 17:15:50 UTC (rev 4931)
@@ -3,6 +3,7 @@
 	exec.c \
 	feature_present.c \
 	getosreldate.c \
+	random.c \
 	trimdomain.c \
 	${NULL}
 

Added: trunk/freebsd-glue/src/random.c
===================================================================
--- trunk/freebsd-glue/src/random.c	                        (rev 0)
+++ trunk/freebsd-glue/src/random.c	2013-09-02 17:15:50 UTC (rev 4931)
@@ -0,0 +1,50 @@
+/*-
+ * Copyright (c) 2013 Robert Millan <rmh at debian.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#define _GNU_SOURCE 1		/* srandom() */
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <error.h>
+#include <errno.h>
+
+void
+srandomdev (void)
+{
+  int fd;
+  unsigned long seed;
+
+  fd = open ("/dev/random", O_RDONLY);
+  if (fd == -1)
+    error (1, errno, "open");
+
+  if (read (fd, &seed, sizeof (seed)) != sizeof (seed))
+    error (1, errno, "read");
+
+  srandom (seed);
+
+  close (fd);
+}