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From: Yaakov Selkowitz <yselkowitz@sourceware.org> To: newlib-cvs@sourceware.org Subject: [newlib-cygwin] Fix off_t typedef on Cygwin64 Date: Tue, 30 Aug 2016 15:36:00 -0000 [thread overview] Message-ID: <20160830153639.18070.qmail@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=3d3ab829689f2563cfbfb65ce440cff8299a4ae9 commit 3d3ab829689f2563cfbfb65ce440cff8299a4ae9 Author: Yaakov Selkowitz <yselkowi@redhat.com> Date: Mon Aug 29 15:30:59 2016 -0500 Fix off_t typedef on Cygwin64 While both long and long long are 64-bits on x86_64, they are distinct types, and long was used prior to commit 477463a2011ba81907a753df9ce7a71b6563db54. Changing this breaks the linking of previously compiled C++ functions with off_t arguments on 64-bit Cygwin with newly compiled code, as the mangling of long (l) and long long (x) differ. Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com> Diff: --- newlib/libc/include/sys/_types.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/newlib/libc/include/sys/_types.h b/newlib/libc/include/sys/_types.h index 4bf2bc4..98b93ce 100644 --- a/newlib/libc/include/sys/_types.h +++ b/newlib/libc/include/sys/_types.h @@ -94,7 +94,7 @@ typedef __uint32_t __mode_t; __extension__ typedef long long _off64_t; #endif -#ifdef __CYGWIN__ +#if defined(__CYGWIN__) && !defined(__LP64__) typedef _off64_t __off_t; #else typedef _off_t __off_t;
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