[PATCH] D21034: [sanitizer] Fix build for new GLIBC msghdr/cmsghdr definition

[Evgeniy Stepanov via llvm-commits]

eugenis added inline comments.

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Comment at: lib/sanitizer_common/sanitizer_platform_limits_posix.cc:1023
@@ -1015,2 +1022,3 @@
 CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
+#if CHECK_SENDMSG_MEMBER
 CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
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You are disabling the test on older glibc. Why? It used to work just fine.


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Comment at: lib/sanitizer_common/sanitizer_platform_limits_posix.h:422
@@ -421,1 +421,3 @@
     struct __sanitizer_iovec *msg_iov;
+#ifndef __GLIBC_PREREQ
+#define __GLIBC_PREREQ(x, y) 0
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This is too confusing. Please provide the entire msghdr & cmsghdr definitions for the three cases (be, le, pre-2.24) w/o conditional macros inside.



Repository:
  rL LLVM

http://reviews.llvm.org/D21034