Portability fix, preventing crash on FreeBSD

[netatalk.git] / libatalk / adouble / ad_sendfile.c

diff --git a/libatalk/adouble/ad_sendfile.c b/libatalk/adouble/ad_sendfile.c
index 8c50dcf804cf0f3ea304bc84c55a2d3610cfe579..3cb28e7802c935db16ab4acf80645db577b43816 100644 (file)
--- a/libatalk/adouble/ad_sendfile.c
+++ b/libatalk/adouble/ad_sendfile.c
@@ -62,7 +62,16 @@ ssize_t sys_sendfile(int tofd, int fromfd, off_t *offset, size_t count)
 #include <sys/uio.h>
 ssize_t sys_sendfile(int tofd, int fromfd, off_t *offset, size_t count)
 {
-  return sendfile(fromfd, tofd, *offset, count, NULL, offset, 0);
+    off_t len;
+    int ret;
+
+    ret = sendfile(fromfd, tofd, *offset, count, NULL, &len, 0);
+
+    *offset += len;
+
+    if (ret != 0)
+        return -1;
+    return len;
 }
 
 #else