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-rw-r--r--libc/src/wchar/CMakeLists.txt64
-rw-r--r--libc/src/wchar/mbsinit.cpp26
-rw-r--r--libc/src/wchar/mbsinit.h22
-rw-r--r--libc/src/wchar/mbsnrtowcs.cpp39
-rw-r--r--libc/src/wchar/mbsnrtowcs.h24
-rw-r--r--libc/src/wchar/mbsrtowcs.cpp39
-rw-r--r--libc/src/wchar/mbsrtowcs.h24
-rw-r--r--libc/src/wchar/mbstowcs.cpp40
-rw-r--r--libc/src/wchar/mbstowcs.h22
-rw-r--r--libc/src/wchar/wchar_utils.h13
-rw-r--r--libc/src/wchar/wcschr.cpp9
-rw-r--r--libc/src/wchar/wcspbrk.cpp11
-rw-r--r--libc/src/wchar/wcstok.cpp23
13 files changed, 319 insertions, 37 deletions
diff --git a/libc/src/wchar/CMakeLists.txt b/libc/src/wchar/CMakeLists.txt
index 43f44a9..9ba0a06 100644
--- a/libc/src/wchar/CMakeLists.txt
+++ b/libc/src/wchar/CMakeLists.txt
@@ -137,6 +137,21 @@ add_entrypoint_object(
)
add_entrypoint_object(
+ mbsinit
+ SRCS
+ mbsinit.cpp
+ HDRS
+ mbsinit.h
+ DEPENDS
+ libc.hdr.types.wchar_t
+ libc.hdr.types.mbstate_t
+ libc.src.__support.common
+ libc.src.__support.macros.config
+ libc.src.__support.wchar.character_converter
+ libc.src.__support.wchar.mbstate
+)
+
+add_entrypoint_object(
mbrtowc
SRCS
mbrtowc.cpp
@@ -170,6 +185,55 @@ add_entrypoint_object(
)
add_entrypoint_object(
+ mbstowcs
+ SRCS
+ mbstowcs.cpp
+ HDRS
+ mbstowcs.h
+ DEPENDS
+ libc.hdr.types.size_t
+ libc.hdr.types.wchar_t
+ libc.src.__support.common
+ libc.src.__support.macros.config
+ libc.src.__support.macros.null_check
+ libc.src.__support.libc_errno
+ libc.src.__support.wchar.mbstate
+ libc.src.__support.wchar.mbsnrtowcs
+)
+
+add_entrypoint_object(
+ mbsrtowcs
+ SRCS
+ mbsrtowcs.cpp
+ HDRS
+ mbsrtowcs.h
+ DEPENDS
+ libc.hdr.types.size_t
+ libc.hdr.types.wchar_t
+ libc.src.__support.common
+ libc.src.__support.macros.config
+ libc.src.__support.libc_errno
+ libc.src.__support.wchar.mbstate
+ libc.src.__support.wchar.mbsnrtowcs
+)
+
+add_entrypoint_object(
+ mbsnrtowcs
+ SRCS
+ mbsnrtowcs.cpp
+ HDRS
+ mbsnrtowcs.h
+ DEPENDS
+ libc.hdr.types.size_t
+ libc.hdr.types.wchar_t
+ libc.src.__support.common
+ libc.src.__support.macros.config
+ libc.src.__support.libc_errno
+ libc.src.__support.wchar.mbstate
+ libc.src.__support.wchar.mbsnrtowcs
+)
+
+add_entrypoint_object(
wcstombs
SRCS
wcstombs.cpp
diff --git a/libc/src/wchar/mbsinit.cpp b/libc/src/wchar/mbsinit.cpp
new file mode 100644
index 0000000..23ba542
--- /dev/null
+++ b/libc/src/wchar/mbsinit.cpp
@@ -0,0 +1,26 @@
+//===-- Implementation of mbsinit -----------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/wchar/mbsinit.h"
+
+#include "hdr/types/mbstate_t.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+#include "src/__support/wchar/character_converter.h"
+#include "src/__support/wchar/mbstate.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(int, mbsinit, (mbstate_t * ps)) {
+ if (ps == nullptr)
+ return true;
+ internal::CharacterConverter cr(reinterpret_cast<internal::mbstate *>(ps));
+ return cr.isValidState() && cr.isEmpty();
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/wchar/mbsinit.h b/libc/src/wchar/mbsinit.h
new file mode 100644
index 0000000..fa6be0f
--- /dev/null
+++ b/libc/src/wchar/mbsinit.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for mbsinit ---------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_WCHAR_MBSINIT_H
+#define LLVM_LIBC_SRC_WCHAR_MBSINIT_H
+
+#include "hdr/types/mbstate_t.h"
+#include "hdr/types/size_t.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+int mbsinit(mbstate_t *ps);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_WCHAR_MBSINIT_H
diff --git a/libc/src/wchar/mbsnrtowcs.cpp b/libc/src/wchar/mbsnrtowcs.cpp
new file mode 100644
index 0000000..28e0ff3
--- /dev/null
+++ b/libc/src/wchar/mbsnrtowcs.cpp
@@ -0,0 +1,39 @@
+//===-- Implementation of mbsnrtowcs --------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/wchar/mbsnrtowcs.h"
+
+#include "hdr/types/size_t.h"
+#include "hdr/types/wchar_t.h"
+#include "src/__support/common.h"
+#include "src/__support/libc_errno.h"
+#include "src/__support/macros/config.h"
+#include "src/__support/wchar/mbsnrtowcs.h"
+#include "src/__support/wchar/mbstate.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(size_t, mbsnrtowcs,
+ (wchar_t *__restrict dst, const char **__restrict src,
+ size_t nmc, size_t len, mbstate_t *__restrict ps)) {
+ static internal::mbstate internal_mbstate;
+ // If destination is null, ignore len
+ len = dst == nullptr ? SIZE_MAX : len;
+ auto ret = internal::mbsnrtowcs(
+ dst, src, nmc, len,
+ ps == nullptr ? &internal_mbstate
+ : reinterpret_cast<internal::mbstate *>(ps));
+ if (!ret.has_value()) {
+ // Encoding failure
+ libc_errno = ret.error();
+ return -1;
+ }
+ return ret.value();
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/wchar/mbsnrtowcs.h b/libc/src/wchar/mbsnrtowcs.h
new file mode 100644
index 0000000..0d66b95
--- /dev/null
+++ b/libc/src/wchar/mbsnrtowcs.h
@@ -0,0 +1,24 @@
+//===-- Implementation header for mbsnrtowcs ------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_WCHAR_MBSNRTOWCS_H
+#define LLVM_LIBC_SRC_WCHAR_MBSNRTOWCS_H
+
+#include "hdr/types/mbstate_t.h"
+#include "hdr/types/size_t.h"
+#include "hdr/types/wchar_t.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+size_t mbsnrtowcs(wchar_t *__restrict dst, const char **__restrict src,
+ size_t nmc, size_t len, mbstate_t *__restrict ps);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_WCHAR_MBSNRTOWCS_H
diff --git a/libc/src/wchar/mbsrtowcs.cpp b/libc/src/wchar/mbsrtowcs.cpp
new file mode 100644
index 0000000..82ca25a
--- /dev/null
+++ b/libc/src/wchar/mbsrtowcs.cpp
@@ -0,0 +1,39 @@
+//===-- Implementation of mbsrtowcs ---------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/wchar/mbsrtowcs.h"
+
+#include "hdr/types/size_t.h"
+#include "hdr/types/wchar_t.h"
+#include "src/__support/common.h"
+#include "src/__support/libc_errno.h"
+#include "src/__support/macros/config.h"
+#include "src/__support/wchar/mbsnrtowcs.h"
+#include "src/__support/wchar/mbstate.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(size_t, mbsrtowcs,
+ (wchar_t *__restrict dst, const char **__restrict src,
+ size_t len, mbstate_t *__restrict ps)) {
+ static internal::mbstate internal_mbstate;
+ // If destination is null, ignore len
+ len = dst == nullptr ? SIZE_MAX : len;
+ auto ret = internal::mbsnrtowcs(
+ dst, src, SIZE_MAX, len,
+ ps == nullptr ? &internal_mbstate
+ : reinterpret_cast<internal::mbstate *>(ps));
+ if (!ret.has_value()) {
+ // Encoding failure
+ libc_errno = ret.error();
+ return -1;
+ }
+ return ret.value();
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/wchar/mbsrtowcs.h b/libc/src/wchar/mbsrtowcs.h
new file mode 100644
index 0000000..f8d4cc2
--- /dev/null
+++ b/libc/src/wchar/mbsrtowcs.h
@@ -0,0 +1,24 @@
+//===-- Implementation header for mbsrtowcs -------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_WCHAR_MBSRTOWCS_H
+#define LLVM_LIBC_SRC_WCHAR_MBSRTOWCS_H
+
+#include "hdr/types/mbstate_t.h"
+#include "hdr/types/size_t.h"
+#include "hdr/types/wchar_t.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+size_t mbsrtowcs(wchar_t *__restrict dst, const char **__restrict src,
+ size_t len, mbstate_t *__restrict ps);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_WCHAR_MBSRTOWCS_H
diff --git a/libc/src/wchar/mbstowcs.cpp b/libc/src/wchar/mbstowcs.cpp
new file mode 100644
index 0000000..43e953c
--- /dev/null
+++ b/libc/src/wchar/mbstowcs.cpp
@@ -0,0 +1,40 @@
+//===-- Implementation of mbstowcs ----------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/wchar/mbstowcs.h"
+
+#include "hdr/types/size_t.h"
+#include "hdr/types/wchar_t.h"
+#include "src/__support/common.h"
+#include "src/__support/libc_errno.h"
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/null_check.h"
+#include "src/__support/wchar/mbsnrtowcs.h"
+#include "src/__support/wchar/mbstate.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(size_t, mbstowcs,
+ (wchar_t *__restrict pwcs, const char *__restrict s,
+ size_t n)) {
+ LIBC_CRASH_ON_NULLPTR(s);
+ // If destination is null, ignore n
+ n = pwcs == nullptr ? SIZE_MAX : n;
+ static internal::mbstate internal_mbstate;
+ const char *temp = s;
+ auto ret = internal::mbsnrtowcs(pwcs, &temp, SIZE_MAX, n, &internal_mbstate);
+
+ if (!ret.has_value()) {
+ // Encoding failure
+ libc_errno = ret.error();
+ return -1;
+ }
+ return ret.value();
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/wchar/mbstowcs.h b/libc/src/wchar/mbstowcs.h
new file mode 100644
index 0000000..7d08a83
--- /dev/null
+++ b/libc/src/wchar/mbstowcs.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for mbstowcs --------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_WCHAR_MBSTOWCS_H
+#define LLVM_LIBC_SRC_WCHAR_MBSTOWCS_H
+
+#include "hdr/types/size_t.h"
+#include "hdr/types/wchar_t.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+size_t mbstowcs(wchar_t *__restrict pwcs, const char *__restrict s, size_t n);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_WCHAR_MBSTOWCS_H
diff --git a/libc/src/wchar/wchar_utils.h b/libc/src/wchar/wchar_utils.h
index e0218c7..55a3cee 100644
--- a/libc/src/wchar/wchar_utils.h
+++ b/libc/src/wchar/wchar_utils.h
@@ -17,13 +17,10 @@
namespace LIBC_NAMESPACE_DECL {
namespace internal {
-// returns true if the character exists in the string
-LIBC_INLINE static bool wcschr(wchar_t c, const wchar_t *str) {
- for (int n = 0; str[n]; ++n) {
- if (str[n] == c)
- return true;
- }
- return false;
+LIBC_INLINE static const wchar_t *wcschr(const wchar_t *s, wchar_t c) {
+ for (; *s && *s != c; ++s)
+ ;
+ return (*s == c) ? s : nullptr;
}
// bool should be true for wcscspn for complimentary span
@@ -32,7 +29,7 @@ LIBC_INLINE static size_t wcsspn(const wchar_t *s1, const wchar_t *s2,
bool not_match_set) {
size_t i = 0;
for (; s1[i]; ++i) {
- bool in_set = wcschr(s1[i], s2);
+ bool in_set = internal::wcschr(s2, s1[i]);
if (in_set == not_match_set)
return i;
}
diff --git a/libc/src/wchar/wcschr.cpp b/libc/src/wchar/wcschr.cpp
index defc2ce..8ac4916 100644
--- a/libc/src/wchar/wcschr.cpp
+++ b/libc/src/wchar/wcschr.cpp
@@ -11,15 +11,14 @@
#include "hdr/types/wchar_t.h"
#include "src/__support/common.h"
#include "src/__support/macros/config.h"
+#include "src/__support/macros/null_check.h"
+#include "wchar_utils.h"
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(const wchar_t *, wcschr, (const wchar_t *s, wchar_t c)) {
- for (; *s && *s != c; ++s)
- ;
- if (*s == c)
- return s;
- return nullptr;
+ LIBC_CRASH_ON_NULLPTR(s);
+ return internal::wcschr(s, c);
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/wchar/wcspbrk.cpp b/libc/src/wchar/wcspbrk.cpp
index a00ba99..f329b73 100644
--- a/libc/src/wchar/wcspbrk.cpp
+++ b/libc/src/wchar/wcspbrk.cpp
@@ -11,17 +11,10 @@
#include "hdr/types/wchar_t.h"
#include "src/__support/common.h"
#include "src/__support/macros/null_check.h"
+#include "src/wchar/wchar_utils.h"
namespace LIBC_NAMESPACE_DECL {
-bool contains_char(const wchar_t *str, wchar_t target) {
- for (; *str != L'\0'; str++)
- if (*str == target)
- return true;
-
- return false;
-}
-
LLVM_LIBC_FUNCTION(const wchar_t *, wcspbrk,
(const wchar_t *src, const wchar_t *breakset)) {
LIBC_CRASH_ON_NULLPTR(src);
@@ -29,7 +22,7 @@ LLVM_LIBC_FUNCTION(const wchar_t *, wcspbrk,
// currently O(n * m), can be further optimized to O(n + m) with a hash set
for (int src_idx = 0; src[src_idx] != 0; src_idx++)
- if (contains_char(breakset, src[src_idx]))
+ if (internal::wcschr(breakset, src[src_idx]))
return src + src_idx;
return nullptr;
diff --git a/libc/src/wchar/wcstok.cpp b/libc/src/wchar/wcstok.cpp
index 291efc1..ed4f0aa 100644
--- a/libc/src/wchar/wcstok.cpp
+++ b/libc/src/wchar/wcstok.cpp
@@ -10,18 +10,12 @@
#include "hdr/types/wchar_t.h"
#include "src/__support/common.h"
+#include "wchar_utils.h"
namespace LIBC_NAMESPACE_DECL {
-bool isADelimeter(wchar_t wc, const wchar_t *delimiters) {
- for (const wchar_t *delim_ptr = delimiters; *delim_ptr != L'\0'; ++delim_ptr)
- if (wc == *delim_ptr)
- return true;
- return false;
-}
-
LLVM_LIBC_FUNCTION(wchar_t *, wcstok,
- (wchar_t *__restrict str, const wchar_t *__restrict delim,
+ (wchar_t *__restrict str, const wchar_t *__restrict delims,
wchar_t **__restrict context)) {
if (str == nullptr) {
if (*context == nullptr)
@@ -30,14 +24,13 @@ LLVM_LIBC_FUNCTION(wchar_t *, wcstok,
str = *context;
}
- wchar_t *tok_start, *tok_end;
- for (tok_start = str; *tok_start != L'\0' && isADelimeter(*tok_start, delim);
- ++tok_start)
- ;
+ wchar_t *tok_start = str;
+ while (*tok_start != L'\0' && internal::wcschr(delims, *tok_start))
+ ++tok_start;
- for (tok_end = tok_start; *tok_end != L'\0' && !isADelimeter(*tok_end, delim);
- ++tok_end)
- ;
+ wchar_t *tok_end = tok_start;
+ while (*tok_end != L'\0' && !internal::wcschr(delims, *tok_end))
+ ++tok_end;
if (*tok_end != L'\0') {
*tok_end = L'\0';
generated by cgit v1.1 at 2025-07-30 11:59:18 +0000