Changeset 28a5ebd in mainline for uspace/lib/fmtutil/fmtutil.h

Timestamp:

2020-06-18T15:39:50Z (4 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ce52c333

Parents:

4f663f3e

Message:

Use char32_t instead of wchat_t to represent UTF-32 strings

The intention of the native HelenOS string API has been always to
support Unicode in the UTF-8 and UTF-32 encodings as the sole character
representations and ignore the obsolete mess of older single-byte and
multibyte character encodings. Before C11, the wchar_t type has been
slightly misused for the purpose of the UTF-32 strings. The newer
char32_t type is obviously a much more suitable option. The standard
defines char32_t as uint_least32_t, thus we can take the liberty to fix
it to uint32_t.

To maintain compatilibity with the C Standard, the putwchar(wchar_t)
functions has been replaced by our custom putuchar(char32_t) functions
where appropriate.

File:

• uspace/lib/fmtutil/fmtutil.h (modified) (2 diffs)

uspace/lib/fmtutil/fmtutil.h

@@ -44 +44 @@
  * @returns EOK on success or an error code on failure
  */
-typedef errno_t (*line_consumer_fn)(wchar_t *, size_t, bool, void *);
+typedef errno_t (*line_consumer_fn)(char32_t *, size_t, bool, void *);
 
-extern errno_t print_aligned_w(const wchar_t *, size_t, bool, align_mode_t);
+extern errno_t print_aligned_w(const char32_t *, size_t, bool, align_mode_t);
 extern errno_t print_aligned(const char *, size_t, bool, align_mode_t);
 extern errno_t print_wrapped(const char *, size_t, align_mode_t);
@@ -58 +58 @@
  * @param data user data to pass to the consumer function
  */
-extern errno_t wrap(wchar_t *, size_t, line_consumer_fn, void *);
+extern errno_t wrap(char32_t *, size_t, line_consumer_fn, void *);