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ladybird/Userland/Libraries/LibC/wchar.h

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Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
2020-01-18 09:38:21 +01:00
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
Everything: Move to SPDX license identifiers in all files. SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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* SPDX-License-Identifier: BSD-2-Clause
Meta: Add license header to source files As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
2020-01-18 09:38:21 +01:00
*/
LibC: A bunch of compat work towards porting GCC.
2019-02-24 15:19:32 +01:00
#pragma once
#include <stddef.h>
Add clang-format file Also run it across the whole tree to get everything using the One True Style. We don't yet run this in an automated fashion as it's a little slow, but there is a snippet to do so in makeall.sh.
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#include <sys/cdefs.h>
LibC: A bunch of compat work towards porting GCC.
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__BEGIN_DECLS
#ifndef WEOF
Add clang-format file Also run it across the whole tree to get everything using the One True Style. We don't yet run this in an automated fashion as it's a little slow, but there is a snippet to do so in makeall.sh.
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# define WEOF (0xffffffffu)
LibC: A bunch of compat work towards porting GCC.
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#endif
LibC: Stub out btowc wint_t is also not supposed to be defined by sys/types.h, but should be defined in wchar.h instead. Since we require it for our definition of btowc, let's move it to the correct place.
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typedef __WINT_TYPE__ wint_t;
LibC: Add stubs for wctype and iswctype
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typedef unsigned long int wctype_t;
LibC: Stub out btowc wint_t is also not supposed to be defined by sys/types.h, but should be defined in wchar.h instead. Since we require it for our definition of btowc, let's move it to the correct place.
2021-05-27 12:47:44 +02:00
LibC: Remove the mbstate_reset helper A zero-initialized mbstate_t struct has to be a valid initial state, so we can just zero-initialize it whenever we need to reset. Having a helper function for resetting the struct might imply that you can add additional setup operations afterwards, which is not the case.
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// A zero-initialized mbstate_t struct must be a valid initial state.
LibC: Provide a dummy mbstate_t in wchar.h POSIX just says that mbstate_t should be an "object type other than an array type" that can hold the conversion state for converting between (multi-byte) characters and wide characters. Since no other information regarding the contents is given, this apparently means that we should add whatever we need once we start implementing that conversion.
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typedef struct {
LibC: Implement mbsinit and mbrtowc
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unsigned char bytes[4];
LibC: Manually count stored bytes in mbstate_t This is probably a bit faster than constantly having to look through all stored bytes. It also helps when we are trying to store actual null bytes.
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unsigned int stored_bytes;
LibC: Provide a dummy mbstate_t in wchar.h POSIX just says that mbstate_t should be an "object type other than an array type" that can hold the conversion state for converting between (multi-byte) characters and wide characters. Since no other information regarding the contents is given, this apparently means that we should add whatever we need once we start implementing that conversion.
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} mbstate_t;
LibC: Add some wchar functions These are basically copy and pasted from the regular string version. Also add some more multi-byte/wide conversion stub. libarchive wanted these. There's a lot more, but we can add them one at a time.
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size_t wcslen(const wchar_t*);
wchar_t* wcscpy(wchar_t*, const wchar_t*);
LibC, LibM: Add functions needed to compile python3
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wchar_t* wcsncpy(wchar_t*, const wchar_t*, size_t);
LibC: Add some wchar functions These are basically copy and pasted from the regular string version. Also add some more multi-byte/wide conversion stub. libarchive wanted these. There's a lot more, but we can add them one at a time.
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int wcscmp(const wchar_t*, const wchar_t*);
LibC: Add wcsncmp() Taken from strncmp(), like wcscmp() in ef40ebb. :^)
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int wcsncmp(const wchar_t*, const wchar_t*, size_t);
LibC: Add some wchar functions These are basically copy and pasted from the regular string version. Also add some more multi-byte/wide conversion stub. libarchive wanted these. There's a lot more, but we can add them one at a time.
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wchar_t* wcschr(const wchar_t*, int);
LibC, LibM: Add functions needed to compile python3
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const wchar_t* wcsrchr(const wchar_t*, wchar_t);
wchar_t* wcscat(wchar_t*, const wchar_t*);
wchar_t* wcsncat(wchar_t*, const wchar_t*, size_t);
LibC: Add wcstol() and wcstoll() stubs
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wchar_t* wcstok(wchar_t*, const wchar_t*, wchar_t**);
long wcstol(const wchar_t*, wchar_t**, int);
long long wcstoll(const wchar_t*, wchar_t**, int);
LibC: Stub out btowc wint_t is also not supposed to be defined by sys/types.h, but should be defined in wchar.h instead. Since we require it for our definition of btowc, let's move it to the correct place.
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wint_t btowc(int c);
LibC: Stub out a bunch of wchar functions
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size_t mbrtowc(wchar_t*, const char*, size_t, mbstate_t*);
size_t mbrlen(const char*, size_t, mbstate_t*);
size_t wcrtomb(char*, wchar_t, mbstate_t*);
int wcscoll(const wchar_t*, const wchar_t*);
int wctob(wint_t);
int mbsinit(const mbstate_t*);
LibC: Implement wcspbrk
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wchar_t* wcspbrk(const wchar_t*, const wchar_t*);
LibC: Implement wcsstr
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wchar_t* wcsstr(const wchar_t*, const wchar_t*);
LibC: Implement wmemchr
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wchar_t* wmemchr(const wchar_t*, wchar_t, size_t);
LibC: Implement wmemcpy
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wchar_t* wmemcpy(wchar_t*, const wchar_t*, size_t);
LibC: Implement wmemset
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wchar_t* wmemset(wchar_t*, wchar_t, size_t);
LibC: Implement wmemmove
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wchar_t* wmemmove(wchar_t*, const wchar_t*, size_t);
LibC: Stub out wcstoul
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unsigned long wcstoul(const wchar_t*, wchar_t**, int);
LibC: Stub out wcstoull
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unsigned long long wcstoull(const wchar_t*, wchar_t**, int);
LibC: Stub out wcstof
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float wcstof(const wchar_t*, wchar_t**);
LibC: Stub out wcstod
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double wcstod(const wchar_t*, wchar_t**);
LibC: Stub out wcstold
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long double wcstold(const wchar_t*, wchar_t**);
LibC: Stub out swprintf
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int swprintf(wchar_t*, size_t, const wchar_t*, ...);
LibC: Add some wchar functions These are basically copy and pasted from the regular string version. Also add some more multi-byte/wide conversion stub. libarchive wanted these. There's a lot more, but we can add them one at a time.
2019-10-12 22:47:25 -03:00
LibC: A bunch of compat work towards porting GCC.
2019-02-24 15:19:32 +01:00
__END_DECLS
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