From e211604368a73312240a4972301e564c6d87f605 Mon Sep 17 00:00:00 2001
From: yuqing <yuqing@yongche.com>
Date: Sat, 9 Aug 2014 11:15:55 +0800
Subject: [PATCH] support OS Darwin

---
 make.sh       | 11 +++++++----
 src/sockopt.c | 20 +++++++++++++++++++-
 2 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/make.sh b/make.sh
index 54ae3fe..f06c755 100755
--- a/make.sh
+++ b/make.sh
@@ -5,8 +5,8 @@ cat <<EOF > $tmp_src_filename
 #include <fcntl.h>
 int main()
 {
-	printf("%d\n", sizeof(long));
-	printf("%d\n", sizeof(off_t));
+	printf("%d\n", (int)sizeof(long));
+	printf("%d\n", (int)sizeof(off_t));
 	return 0;
 }
 EOF
@@ -69,8 +69,11 @@ LIBS=''
 uname=`uname`
 if [ "$uname" = "Linux" ]; then
   CFLAGS="$CFLAGS -DOS_LINUX -DIOEVENT_USE_EPOLL"
-elif [ "$uname" = "FreeBSD"] || [ "$uname" = "Darwin"]; then
+elif [ "$uname" = "FreeBSD" ] || [ "$uname" = "Darwin" ]; then
   CFLAGS="$CFLAGS -DOS_FREEBSD -DIOEVENT_USE_KQUEUE"
+  if [ "$uname" = "Darwin" ]; then
+    CFLAGS="$CFLAGS -DDARWIN"
+  fi
 elif [ "$uname" = "SunOS" ]; then
   CFLAGS="$CFLAGS -DOS_SUNOS -D_THREAD_SAFE -DIOEVENT_USE_PORT"
   LIBS="$LIBS -lsocket -lnsl -lresolv"
@@ -84,7 +87,7 @@ fi
 
 if [ -f /usr/lib/libpthread.so ] || [ -f /usr/local/lib/libpthread.so ] || [ -f /usr/lib64/libpthread.so ] || [ -f /usr/lib/libpthread.a ] || [ -f /usr/local/lib/libpthread.a ] || [ -f /usr/lib64/libpthread.a ]; then
   LIBS="$LIBS -lpthread"
-else
+elif [ -f /usr/lib/libc_r.so ]; then
   line=`nm -D /usr/lib/libc_r.so | grep pthread_create | grep -w T`
   if [ -n "$line" ]; then
     LIBS="$LIBS -lc_r"
diff --git a/src/sockopt.c b/src/sockopt.c
index f0dea6c..3f4aece 100644
--- a/src/sockopt.c
+++ b/src/sockopt.c
@@ -1109,6 +1109,9 @@ int tcpsendfile_ex(int sock, const char *filename, const int64_t file_offset, \
 	off_t offset;
 	#ifdef OS_LINUX
 	int64_t remain_bytes;
+    #elif defined(DARWIN)
+	int64_t remain_bytes;
+	off_t len;
 	#endif
    #endif
 #else
@@ -1183,7 +1186,21 @@ int tcpsendfile_ex(int sock, const char *filename, const int64_t file_offset, \
 #else
 #ifdef OS_FREEBSD
 	offset = file_offset;
-	if (sendfile(fd, sock, offset, file_bytes, NULL, NULL, 0) != 0)
+#if defined(DARWIN)
+	result = 0;
+	remain_bytes = file_bytes;
+	while (remain_bytes > 0)
+	{
+        len = remain_bytes;
+        if (sendfile(fd, sock, offset, &len, NULL, 0) != 0) {
+			result = errno != 0 ? errno : EIO;
+			break;
+        }
+		remain_bytes -= len;
+    }
+	*total_send_bytes = file_bytes - remain_bytes;
+#else
+	if (sendfile(fd, sock, offset, file_offset, NULL, NULL, 0) != 0)
 	{
 		*total_send_bytes = 0;
 		result = errno != 0 ? errno : EIO;
@@ -1194,6 +1211,7 @@ int tcpsendfile_ex(int sock, const char *filename, const int64_t file_offset, \
 		result = 0;
 	}
 #endif
+#endif
 #endif
 
 	if (flags & O_NONBLOCK)  //restore