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32 lines
1.3 KiB
Diff
32 lines
1.3 KiB
Diff
From 3c536954a67a883630f4a7513a27f02a892c3dcb Mon Sep 17 00:00:00 2001
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From: Evgeniy Stepanov <eugeni.stepanov@gmail.com>
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Date: Tue, 21 Oct 2014 21:08:13 +0000
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Subject: [PATCH] [sanitizer] Fix build with _FILE_OFFSET_BITS=64.
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Sanitizer source is not affected by _FILE_OFFSET_BITS in general,
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but this one file must be built with 32-bit off_t. More details in the code.
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git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@220328 91177308-0d34-0410-b5e6-96231b3b80d8
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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---
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libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc | 8 ++++++++
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1 file changed, 8 insertions(+)
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--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
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+++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
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@@ -13,6 +13,14 @@
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#include "sanitizer_platform.h"
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#if SANITIZER_LINUX || SANITIZER_MAC
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+// Tests in this file assume that off_t-dependent data structures match the
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+// libc ABI. For example, struct dirent here is what readdir() function (as
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+// exported from libc) returns, and not the user-facing "dirent", which
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+// depends on _FILE_OFFSET_BITS setting.
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+// To get this "true" dirent definition, we undefine _FILE_OFFSET_BITS below.
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+#ifdef _FILE_OFFSET_BITS
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+#undef _FILE_OFFSET_BITS
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+#endif
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#include "sanitizer_internal_defs.h"
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#include "sanitizer_platform_limits_posix.h"
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