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1e17bc1faf
Back in r240527 I added a knob to prevent thread-unsafe functions from being exposed. mblen(), mbtowc() and wctomb() were also added to this list, as the latest issue of POSIX doesn't require these functions to be thread-safe. It turns out that the only circumstance in which these functions are not thread-safe is in case they are used in combination with state-dependent character sets (e.g., Shift-JIS). According to Austin Group Bug 708, these character sets "[...] are mostly a relic of the past and which were never supported on most POSIX systems". Though in many cases the use of these functions can be prevented by using the reentrant counterparts, they are the only functions that allow you to query whether the locale's character set is state-dependent. This means that omitting these functions removes actual functionality. Let's be a bit less pedantic and drop the guards around these functions. Links: http://austingroupbugs.net/view.php?id=708 http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2037.htm Reviewed by: ericwf Differential Revision: https://reviews.llvm.org/D21436 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@290748 91177308-0d34-0410-b5e6-96231b3b80d8 |
9 years ago | |
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| .. | ||
| csetjmp.pass.cpp | 10 years ago | |
| csignal.pass.cpp | 10 years ago | |
| cstdarg.pass.cpp | 10 years ago | |
| cstdbool.pass.cpp | 11 years ago | |
| cstdlib.pass.cpp | 9 years ago | |
| ctime.pass.cpp | 10 years ago | |