blob: b118127cea64157b2ea1e8984e71d1d00a04c0ef (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
From cfceef12ffa2963ffc32a0e2797dfc7e5ff7a2ac Mon Sep 17 00:00:00 2001
From: Oliver Reiche <oliver.reiche@huawei.com>
Date: Wed, 3 Apr 2024 16:23:52 +0200
Subject: [PATCH] libcxx: Add musl support for __locale
... which does not provide a known rune table and uses
missing locale-based string to integer conversion functions.
---
libcxx/include/__locale | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/libcxx/include/__locale b/libcxx/include/__locale
index 3ba7ac1..98563b6 100644
--- a/libcxx/include/__locale
+++ b/libcxx/include/__locale
@@ -26,6 +26,38 @@
#include <cstddef>
#include <cstring>
+// Detect musl libc (inspired by musl detection from gcc's config.guess)
+#include <features.h>
+#if !(defined(__UCLIBC__) || defined(__dietlibc__) || defined(__GLIBC__))
+# include <stdarg.h>
+# ifdef __DEFINED_va_list
+# ifndef __MUSL_LIBC__
+# define __MUSL_LIBC__
+# endif
+# endif
+#endif
+
+#ifdef __MUSL_LIBC__
+// Fall back to default rune table for musl libc
+# ifndef _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
+# define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
+# endif
+// Implement missing strto*_l functions for musl libc
+# define __MUSL_LIBC_CREATE_STRTOX_L(X) \
+ static inline auto \
+ strto ## X ## _l(const char* str, char** end, int base, locale_t l) { \
+ locale_t old = uselocale(l); \
+ auto result = strto ## X(str, end, base); \
+ uselocale(old); \
+ return result; \
+ }
+__MUSL_LIBC_CREATE_STRTOX_L(l)
+__MUSL_LIBC_CREATE_STRTOX_L(ll)
+__MUSL_LIBC_CREATE_STRTOX_L(ul)
+__MUSL_LIBC_CREATE_STRTOX_L(ull)
+# undef __MUSL_LIBC_CREATE_STRTOX_L
+#endif
+
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
# include <cwchar>
#else
--
2.30.2
|
