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-rw-r--r--libcxx/include/__config7
-rw-r--r--libcxx/include/__config_site.in3
-rw-r--r--libcxx/include/__locale12
-rw-r--r--libcxx/include/support/musl/xlocale.h58
4 files changed, 75 insertions, 5 deletions
diff --git a/libcxx/include/__config b/libcxx/include/__config
index 7f6fbf07b58..795e0845cec 100644
--- a/libcxx/include/__config
+++ b/libcxx/include/__config
@@ -386,14 +386,19 @@ typedef __char32_t char32_t;
#elif defined(__ANDROID__)
#define _LIBCPP_HAS_QUICK_EXIT
#elif defined(__linux__)
-#include <features.h>
+#if !defined(_LIBCPP_HAS_MUSL_LIBC)
+# include <features.h>
#if __GLIBC_PREREQ(2, 15)
#define _LIBCPP_HAS_QUICK_EXIT
#endif
#if __GLIBC_PREREQ(2, 17)
#define _LIBCPP_HAS_C11_FEATURES
#endif
+#else // defined(_LIBCPP_HAS_MUSL_LIBC)
+#define _LIBCPP_HAS_QUICK_EXIT
+#define _LIBCPP_HAS_C11_FEATURES
#endif
+#endif // __linux__
#endif
#if (__has_feature(cxx_noexcept))
diff --git a/libcxx/include/__config_site.in b/libcxx/include/__config_site.in
index 7a1d739f721..ec64485289f 100644
--- a/libcxx/include/__config_site.in
+++ b/libcxx/include/__config_site.in
@@ -18,5 +18,6 @@
#cmakedefine _LIBCPP_HAS_NO_THREADS
#cmakedefine _LIBCPP_HAS_NO_MONOTONIC_CLOCK
#cmakedefine _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
+#cmakedefine _LIBCPP_HAS_MUSL_LIBC
-#endif
+#endif // _LIBCPP_CONFIG_SITE
diff --git a/libcxx/include/__locale b/libcxx/include/__locale
index 19895582cac..e525053ca3f 100644
--- a/libcxx/include/__locale
+++ b/libcxx/include/__locale
@@ -37,6 +37,8 @@
#elif (defined(__GLIBC__) || defined(__APPLE__) || defined(__FreeBSD__) \
|| defined(__EMSCRIPTEN__) || defined(__IBMCPP__))
# include <xlocale.h>
+#elif defined(_LIBCPP_HAS_MUSL_LIBC)
+# include <support/musl/xlocale.h>
#endif // __GLIBC__ || __APPLE__ || __FreeBSD__ || __sun__ || __EMSCRIPTEN__ || __IBMCPP__
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
@@ -329,7 +331,7 @@ locale::operator()(const basic_string<_CharT, _Traits, _Allocator>& __x,
class _LIBCPP_TYPE_VIS ctype_base
{
public:
-#ifdef __GLIBC__
+#if defined(__GLIBC__)
typedef unsigned short mask;
static const mask space = _ISspace;
static const mask print = _ISprint;
@@ -359,7 +361,7 @@ public:
typedef __uint32_t mask;
# elif defined(__FreeBSD__)
typedef unsigned long mask;
-# elif defined(__EMSCRIPTEN__) || defined(__NetBSD__)
+# elif defined(__EMSCRIPTEN__) || defined(__NetBSD__) || defined(_LIBCPP_HAS_MUSL_LIBC)
typedef unsigned short mask;
# endif
static const mask space = _CTYPE_S;
@@ -406,7 +408,11 @@ public:
# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_ALPHA
# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_XDIGIT
#else
+#if defined(_LIBCPP_HAS_MUSL_LIBC)
+ typedef unsigned short mask;
+#else
typedef unsigned long mask;
+#endif
static const mask space = 1<<0;
static const mask print = 1<<1;
static const mask cntrl = 1<<2;
@@ -628,7 +634,7 @@ public:
#endif
_LIBCPP_ALWAYS_INLINE const mask* table() const _NOEXCEPT {return __tab_;}
static const mask* classic_table() _NOEXCEPT;
-#if defined(__GLIBC__) || defined(__EMSCRIPTEN__)
+#if defined(__GLIBC__) || defined(__EMSCRIPTEN__) || defined(_LIBCPP_HAS_MUSL_LIBC)
static const int* __classic_upper_table() _NOEXCEPT;
static const int* __classic_lower_table() _NOEXCEPT;
#endif
diff --git a/libcxx/include/support/musl/xlocale.h b/libcxx/include/support/musl/xlocale.h
new file mode 100644
index 00000000000..3e31c99596c
--- /dev/null
+++ b/libcxx/include/support/musl/xlocale.h
@@ -0,0 +1,58 @@
+// -*- C++ -*-
+//===------------------- support/musl/xlocale.h ------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+// This adds support for the extended locale functions that are currently
+// missing from the Musl C library.
+//
+// This only works when the specified locale is "C" or "POSIX", but that's
+// about as good as we can do without implementing full xlocale support
+// in Musl.
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_SUPPORT_MUSL_XLOCALE_H
+#define _LIBCPP_SUPPORT_MUSL_XLOCALE_H
+
+#include <cstdlib>
+#include <cwchar>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static inline long long strtoll_l(const char *nptr, char **endptr, int base,
+ locale_t) {
+ return strtoll(nptr, endptr, base);
+}
+
+static inline unsigned long long strtoull_l(const char *nptr, char **endptr,
+ int base, locale_t) {
+ return strtoull(nptr, endptr, base);
+}
+
+static inline long long wcstoll_l(const wchar_t *nptr, wchar_t **endptr,
+ int base, locale_t) {
+ return wcstoll(nptr, endptr, base);
+}
+
+static inline unsigned long long wcstoull_l(const wchar_t *nptr,
+ wchar_t **endptr, int base,
+ locale_t) {
+ return wcstoull(nptr, endptr, base);
+}
+
+static inline long double wcstold_l(const wchar_t *nptr, wchar_t **endptr,
+ locale_t) {
+ return wcstold(nptr, endptr);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _LIBCPP_SUPPORT_MUSL_XLOCALE_H
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