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Condition usage of locale stdlib functions on Android API version

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Some *_l functions were not available in some versions of Bionic. This CL
checks that the NDK version supports the functions, and if not, falls back
on the corresponding functions that don't take a locale.

Patch by Tom Anderson!

Differential Revision: https://reviews.llvm.org/D46558

llvm-svn: 332543
This commit is contained in:
Peter Collingbourne 2018-05-16 22:40:12 +00:00
parent ddc84bf7d1
commit acd1f4e738
1 changed files with 8 additions and 7 deletions
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15
libcxx/include/support/android/locale_bionic.h
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@ -27,14 +27,14 @@ extern "C" {
#if defined(__ANDROID__)
#include <android/api-level.h>
// Android gained most locale aware functions in L (API level 21)
#if __ANDROID_API__ < 21
#include <android/ndk-version.h>
#include <support/xlocale/__posix_l_fallback.h>
#endif
// The strto* family was added in O (API Level 26)
#if __ANDROID_API__ < 26
// In NDK versions later than 16, locale-aware functions are provided by
// legacy_stdlib_inlines.h
#if __NDK_MAJOR__ <= 16
#if __ANDROID_API__ < 21
#include <support/xlocale/__strtonum_fallback.h>
#elif __ANDROID_API__ < 26
#if defined(__cplusplus)
extern "C" {
@ -61,6 +61,7 @@ inline _LIBCPP_ALWAYS_INLINE long strtol_l(const char* __nptr, char** __endptr,
#endif // __ANDROID_API__ < 26
#endif // __NDK_MAJOR__ <= 16
#endif // defined(__ANDROID__)
#endif // defined(__BIONIC__)