Changeset 696b405 in mainline for common/include/uchar.h

Timestamp:

2025-04-13T12:54:10Z (3 months ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

master

Children:

9daee3de

Parents:

7d1497c

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2025-04-13 10:13:16)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2025-04-13 12:54:10)

Message:

Implement standard character conversion functions from <uchar.h> and <wchar.h>

These are more somewhat more flexible than the existing functions in <str.h> since
they can process incomplete stream and save unfinished character for next call.

File:

• common/include/uchar.h (moved) (moved from uspace/lib/c/include/uchar.h ) (2 diffs)

common/include/uchar.h

@@ -1 +1 @@
 /*
- * Copyright (c) 2020 Martin Decky
+ * Copyright (c) 2025 Jiří Zárevúcky
  * All rights reserved.
  *
@@ -36 +36 @@
 #define _LIBC_UCHAR_H_
 
+#include <_bits/mbstate_t.h>
+#include <_bits/size_t.h>
 #include <_bits/uchar.h>
+#include <stdint.h>
+
+size_t mbrtoc8(char8_t *__restrict pc8, const char *__restrict s, size_t n,
+    mbstate_t *__restrict ps);
+size_t c8rtomb(char *__restrict s, char8_t c8, mbstate_t *__restrict ps);
+size_t mbrtoc16(char16_t *__restrict pc16, const char *__restrict s, size_t n,
+    mbstate_t *__restrict ps);
+size_t c16rtomb(char *__restrict s, char16_t c16, mbstate_t *__restrict ps);
+size_t mbrtoc32(char32_t *__restrict pc32, const char *__restrict s, size_t n,
+    mbstate_t *__restrict ps);
+size_t c32rtomb(char *__restrict s, char32_t c32, mbstate_t *__restrict ps);
+
+#ifdef _HELENOS_SOURCE
+#define UCHAR_ILSEQ      ((size_t) -1)
+#define UCHAR_INCOMPLETE ((size_t) -2)
+#define UCHAR_CONTINUED  ((size_t) -3)
+#endif
 
 #endif