From ce87b7e14cbf886e0f2279a322b87267a73071a0 Mon Sep 17 00:00:00 2001
From: Tim Holy <holy@wustl.edu>
Date: Fri, 17 Aug 2012 13:24:24 -0500
Subject: [PATCH] unix: fix integer overflow in uv_hrtime

Conversion to nanoseconds was overflowing with 32-bit builds.
---
 src/unix/cygwin.c           | 2 +-
 src/unix/freebsd.c          | 2 +-
 src/unix/linux/linux-core.c | 2 +-
 src/unix/netbsd.c           | 2 +-
 src/unix/openbsd.c          | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/unix/cygwin.c b/src/unix/cygwin.c
index a99779d4..183beb32 100644
--- a/src/unix/cygwin.c
+++ b/src/unix/cygwin.c
@@ -35,7 +35,7 @@
 uint64_t uv_hrtime() {
   struct timespec ts;
   clock_gettime(CLOCK_MONOTONIC, &ts);
-  return (ts.tv_sec * NANOSEC + ts.tv_nsec);
+  return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
 }
 
 void uv_loadavg(double avg[3]) {
diff --git a/src/unix/freebsd.c b/src/unix/freebsd.c
index be8006c5..0528835f 100644
--- a/src/unix/freebsd.c
+++ b/src/unix/freebsd.c
@@ -57,7 +57,7 @@ static char *process_title;
 uint64_t uv_hrtime(void) {
   struct timespec ts;
   clock_gettime(CLOCK_MONOTONIC, &ts);
-  return (ts.tv_sec * NANOSEC + ts.tv_nsec);
+  return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
 }
 
 
diff --git a/src/unix/linux/linux-core.c b/src/unix/linux/linux-core.c
index 34f48a94..c77c81cc 100644
--- a/src/unix/linux/linux-core.c
+++ b/src/unix/linux/linux-core.c
@@ -71,7 +71,7 @@ static struct {
 uint64_t uv_hrtime() {
   struct timespec ts;
   clock_gettime(CLOCK_MONOTONIC, &ts);
-  return (ts.tv_sec * NANOSEC + ts.tv_nsec);
+  return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
 }
 
 
diff --git a/src/unix/netbsd.c b/src/unix/netbsd.c
index a1a7091b..5f7a8484 100644
--- a/src/unix/netbsd.c
+++ b/src/unix/netbsd.c
@@ -38,7 +38,7 @@
 uint64_t uv_hrtime(void) {
   struct timespec ts;
   clock_gettime(CLOCK_MONOTONIC, &ts);
-  return (ts.tv_sec * NANOSEC + ts.tv_nsec);
+  return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
 }
 
 void uv_loadavg(double avg[3]) {
diff --git a/src/unix/openbsd.c b/src/unix/openbsd.c
index 865f8e9e..a18674fa 100644
--- a/src/unix/openbsd.c
+++ b/src/unix/openbsd.c
@@ -46,7 +46,7 @@ static char *process_title;
 uint64_t uv_hrtime(void) {
   struct timespec ts;
   clock_gettime(CLOCK_MONOTONIC, &ts);
-  return (ts.tv_sec * NANOSEC + ts.tv_nsec);
+  return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
 }