From dc0a93c756035fb319f45b53585e9fbb9f8e36fa Mon Sep 17 00:00:00 2001
From: "Peter S. Mazinger" <ps.m@gmx.net>
Date: Tue, 12 Apr 2011 22:01:42 +0200
Subject: add lcong48[_r]
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
libc/stdlib/Makefile.in | 2 +-
libc/stdlib/lcong48.c | 29 +++++++++++++++++++++++++++++
2 files changed, 30 insertions(+), 1 deletion(-)
create mode 100644 libc/stdlib/lcong48.c
(limited to 'libc/stdlib')
diff --git a/libc/stdlib/Makefile.in b/libc/stdlib/Makefile.in
index 2983d4787..3166b8e62 100644
--- a/libc/stdlib/Makefile.in
+++ b/libc/stdlib/Makefile.in
@@ -15,7 +15,7 @@ CSRC-y := \
abort.c getenv.c mkdtemp.c realpath.c canonicalize.c mkstemp.c \
rand.c random.c random_r.c setenv.c div.c ldiv.c lldiv.c \
getpt.c drand48-iter.c jrand48.c \
- jrand48_r.c lrand48.c lrand48_r.c mrand48.c mrand48_r.c nrand48.c \
+ jrand48_r.c lcong48.c lrand48.c lrand48_r.c mrand48.c mrand48_r.c nrand48.c \
nrand48_r.c rand_r.c srand48.c srand48_r.c seed48.c seed48_r.c \
valloc.c a64l.c l64a.c __uc_malloc.c
CSRC-$(UCLIBC_HAS_ADVANCED_REALTIME) += posix_memalign.c
diff --git a/libc/stdlib/lcong48.c b/libc/stdlib/lcong48.c
new file mode 100644
index 000000000..06cab6672
--- /dev/null
+++ b/libc/stdlib/lcong48.c
@@ -0,0 +1,29 @@
+/* vi: set sw=4 ts=4: */
+/* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */
+
+#include <features.h>
+
+#if defined __USE_SVID || defined __USE_XOPEN
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+static int __lcong48_r (unsigned short int param[7], struct drand48_data *buffer)
+{
+ /* Store the given values. */
+ memcpy (buffer->__x, ¶m[0], sizeof (buffer->__x));
+ buffer->__a = ((uint64_t) param[5] << 32 | (uint32_t) param[4] << 16 | param[3]);
+ buffer->__c = param[6];
+ buffer->__init = 1;
+
+ return 0;
+}
+# ifdef __USE_MISC
+strong_alias(__lcong48_r,lcong48_r)
+# endif
+
+void lcong48 (unsigned short int param[7])
+{
+ (void) __lcong48_r (param, &__libc_drand48_data);
+}
+#endif
--
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