diff options
| author | Faraz Vahedi <kfv@FreeBSD.org> | 2026-09-05 10:41:22 +0000 |
|---|---|---|
| committer | Faraz Vahedi <kfv@FreeBSD.org> | 2026-09-05 10:41:22 +0000 |
| commit | 72ed6f9c9dc95124cd81158d1c4437484a1b951e (patch) | |
| tree | 113e8371877c6dabb9de316bb150e4f97e13d1e8 | |
| parent | 733ea4ee584db9b25b470ee48243135a321b4eed (diff) | |
libc: Add WCHAR_WIDTH in <wchar.h> as well
Define __WCHAR_WIDTH in sys/_types.h and derive WCHAR_WIDTH from
that, the same way as WCHAR_MIN and WCHAR_MAX, in both <wchar.h>
and <stdint.h> as per C23 §7.31.1 and §7.22.3.4, respectively.
Reviewed by: fuz
Approved by: fuz (mentor)
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D59385
| -rw-r--r-- | include/wchar.h | 3 | ||||
| -rw-r--r-- | sys/arm/include/_stdint.h | 1 | ||||
| -rw-r--r-- | sys/arm64/include/_stdint.h | 1 | ||||
| -rw-r--r-- | sys/powerpc/include/_stdint.h | 1 | ||||
| -rw-r--r-- | sys/riscv/include/_stdint.h | 1 | ||||
| -rw-r--r-- | sys/sys/_types.h | 2 | ||||
| -rw-r--r-- | sys/sys/stdint.h | 3 | ||||
| -rw-r--r-- | sys/x86/include/_stdint.h | 1 |
8 files changed, 8 insertions, 5 deletions
diff --git a/include/wchar.h b/include/wchar.h index 1447d083a889..d191981be5ff 100644 --- a/include/wchar.h +++ b/include/wchar.h @@ -97,6 +97,9 @@ typedef __wint_t wint_t; #define WCHAR_MIN __WCHAR_MIN #define WCHAR_MAX __WCHAR_MAX +#if __ISO_C_VISIBLE >= 2023 +#define WCHAR_WIDTH __WCHAR_WIDTH +#endif #ifndef WEOF #define WEOF ((wint_t)-1) diff --git a/sys/arm/include/_stdint.h b/sys/arm/include/_stdint.h index 9f9b7eb8a554..b0b92f8de72f 100644 --- a/sys/arm/include/_stdint.h +++ b/sys/arm/include/_stdint.h @@ -166,7 +166,6 @@ #define PTRDIFF_WIDTH INT32_WIDTH #define SIG_ATOMIC_WIDTH INT32_WIDTH #define SIZE_WIDTH INT32_WIDTH -#define WCHAR_WIDTH INT32_WIDTH #define WINT_WIDTH INT32_WIDTH #endif /* __ISO_C_VISIBLE >= 2023 */ diff --git a/sys/arm64/include/_stdint.h b/sys/arm64/include/_stdint.h index 621e5ce53721..1088ab383a35 100644 --- a/sys/arm64/include/_stdint.h +++ b/sys/arm64/include/_stdint.h @@ -168,7 +168,6 @@ #define PTRDIFF_WIDTH INT64_WIDTH #define SIG_ATOMIC_WIDTH INT64_WIDTH #define SIZE_WIDTH INT64_WIDTH -#define WCHAR_WIDTH INT32_WIDTH #define WINT_WIDTH INT32_WIDTH #endif /* __ISO_C_VISIBLE >= 2023 */ diff --git a/sys/powerpc/include/_stdint.h b/sys/powerpc/include/_stdint.h index 68ae89e23cdc..5423badb25a6 100644 --- a/sys/powerpc/include/_stdint.h +++ b/sys/powerpc/include/_stdint.h @@ -213,7 +213,6 @@ #define SIZE_WIDTH INT32_WIDTH #endif #define SIG_ATOMIC_WIDTH INT32_WIDTH -#define WCHAR_WIDTH INT32_WIDTH #define WINT_WIDTH INT32_WIDTH #endif /* __ISO_C_VISIBLE >= 2023 */ diff --git a/sys/riscv/include/_stdint.h b/sys/riscv/include/_stdint.h index 9afe01c8a318..3cfb78208aec 100644 --- a/sys/riscv/include/_stdint.h +++ b/sys/riscv/include/_stdint.h @@ -164,7 +164,6 @@ #define PTRDIFF_WIDTH INT64_WIDTH #define SIG_ATOMIC_WIDTH INT64_WIDTH #define SIZE_WIDTH INT64_WIDTH -#define WCHAR_WIDTH INT32_WIDTH #define WINT_WIDTH INT32_WIDTH #endif /* __ISO_C_VISIBLE >= 2023 */ diff --git a/sys/sys/_types.h b/sys/sys/_types.h index bc438c17c8c0..a2f89b1f2055 100644 --- a/sys/sys/_types.h +++ b/sys/sys/_types.h @@ -129,6 +129,8 @@ typedef __size_t __vm_size_t; */ #include <machine/_types.h> +#define __WCHAR_WIDTH 32 /* number of bits in a wchar_t */ + /* * Standard type definitions. */ diff --git a/sys/sys/stdint.h b/sys/sys/stdint.h index dccc5a8e6a6d..661945c18281 100644 --- a/sys/sys/stdint.h +++ b/sys/sys/stdint.h @@ -68,6 +68,9 @@ typedef __uint_fast64_t uint_fast64_t; /* Limits of wchar_t. */ #define WCHAR_MIN __WCHAR_MIN #define WCHAR_MAX __WCHAR_MAX +#if __ISO_C_VISIBLE >= 2023 +#define WCHAR_WIDTH __WCHAR_WIDTH +#endif #if __EXT1_VISIBLE /* ISO/IEC 9899:2011 K.3.4.4 */ diff --git a/sys/x86/include/_stdint.h b/sys/x86/include/_stdint.h index 4c65b0f095ea..fa51cd27b8a8 100644 --- a/sys/x86/include/_stdint.h +++ b/sys/x86/include/_stdint.h @@ -207,7 +207,6 @@ #define SIG_ATOMIC_WIDTH INT32_WIDTH #define SIZE_WIDTH INT32_WIDTH #endif -#define WCHAR_WIDTH INT32_WIDTH #define WINT_WIDTH INT32_WIDTH #endif /* __ISO_C_VISIBLE >= 2023 */ |