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From adfe682eb0d77c6afc751f5e407d9da39623c24e Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Fri, 16 Dec 2016 23:19:27 -0500
Subject: [PATCH] fix mrand48/jrand48 return value on 64-bit archs
POSIX specifies the result to have signed 32-bit range. on 32-bit
archs, the implicit conversion to long achieved the desired range
already, but when long is 64-bit, a cast is needed.
patch by Ed Schouten.
---
src/prng/mrand48.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/prng/mrand48.c b/src/prng/mrand48.c
index ee650fc3..0519d667 100644
--- a/src/prng/mrand48.c
+++ b/src/prng/mrand48.c
@@ -6,7 +6,7 @@ extern unsigned short __seed48[7];
long jrand48(unsigned short s[3])
{
- return __rand48_step(s, __seed48+3) >> 16;
+ return (int32_t)(__rand48_step(s, __seed48+3) >> 16);
}
long mrand48(void)
--
2.11.0
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