Upstream version 10.39.225.0

[platform/framework/web/crosswalk.git] / src / native_client_sdk / src / libraries / third_party / newlib-extras / sys / socket.h

diff --git a/src/native_client_sdk/src/libraries/third_party/newlib-extras/sys/socket.h b/src/native_client_sdk/src/libraries/third_party/newlib-extras/sys/socket.h
index b7555fa..86c687e 100644 (file)
--- a/src/native_client_sdk/src/libraries/third_party/newlib-extras/sys/socket.h
+++ b/src/native_client_sdk/src/libraries/third_party/newlib-extras/sys/socket.h
@@ -59,7 +59,7 @@ typedef       _BSD_SA_FAMILY_T_       sa_family_t;
 typedef        _BSD_SOCKLEN_T_ socklen_t;
 #undef _BSD_SOCKLEN_T_
 #endif
- 
+
 /*
  * Types
  */
@@ -355,6 +355,18 @@ struct cmsgcred {
        gid_t   cmcred_groups[CMGROUP_MAX];     /* groups */
 };
 
+/*
+ * Round p (pointer or byte index) up to a correctly-aligned value
+ * for all data types (int, long, ...).   The result is unsigned int
+ * and must be cast to any desired pointer type.
+ */
+#ifndef _ALIGNBYTES
+#define _ALIGNBYTES (sizeof(int) - 1)
+#endif
+#ifndef _ALIGN
+#define _ALIGN(p) (((unsigned)(p) + _ALIGNBYTES) & ~_ALIGNBYTES)
+#endif
+
 /* given pointer to struct cmsghdr, return pointer to data */
 #define        CMSG_DATA(cmsg)         ((unsigned char *)(cmsg) + \
                                 _ALIGN(sizeof(struct cmsghdr)))
@@ -370,7 +382,7 @@ struct cmsgcred {
 #define        CMSG_FIRSTHDR(mhdr)     ((struct cmsghdr *)(mhdr)->msg_control)
 
 /* RFC 2292 additions */
-       
+
 #define        CMSG_SPACE(l)           (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(l))
 #define        CMSG_LEN(l)             (_ALIGN(sizeof(struct cmsghdr)) + (l))