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394178da
T
TDengine
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394178da
编写于
3月 18, 2022
作者:
wafwerar
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[TD-13767]<fix>: only use iconv.
上级
83b62c90
变更
14
隐藏空白更改
内联
并排
Showing
14 changed file
with
487 addition
and
347 deletion
+487
-347
cmake/cmake.options
cmake/cmake.options
+7
-0
cmake/iconv_CMakeLists.txt.in
cmake/iconv_CMakeLists.txt.in
+12
-0
contrib/CMakeLists.txt
contrib/CMakeLists.txt
+15
-10
include/os/osFile.h
include/os/osFile.h
+1
-30
include/os/osString.h
include/os/osString.h
+13
-10
include/util/tdef.h
include/util/tdef.h
+1
-1
source/common/src/tvariant.c
source/common/src/tvariant.c
+5
-5
source/libs/parser/src/parInsert.c
source/libs/parser/src/parInsert.c
+2
-2
source/libs/scalar/src/filter.c
source/libs/scalar/src/filter.c
+4
-4
source/libs/scalar/src/sclvector.c
source/libs/scalar/src/sclvector.c
+1
-1
source/os/CMakeLists.txt
source/os/CMakeLists.txt
+6
-1
source/os/src/osFile.c
source/os/src/osFile.c
+17
-0
source/os/src/osLocale.c
source/os/src/osLocale.c
+1
-1
source/os/src/osString.c
source/os/src/osString.c
+402
-282
未找到文件。
cmake/cmake.options
浏览文件 @
394178da
...
...
@@ -18,6 +18,13 @@ IF(${TD_WINDOWS})
ON
)
MESSAGE("build iconv Win32")
option(
BUILD_WITH_ICONV
"If build iconv on Windows"
ON
)
ENDIF ()
IF(${TD_LINUX} MATCHES TRUE)
...
...
cmake/iconv_CMakeLists.txt.in
0 → 100644
浏览文件 @
394178da
# iconv
ExternalProject_Add(iconv
GIT_REPOSITORY https://github.com/win-iconv/win-iconv.git
GIT_TAG v0.0.8
SOURCE_DIR "${CMAKE_CONTRIB_DIR}/iconv"
BINARY_DIR ""
CONFIGURE_COMMAND ""
BUILD_COMMAND ""
INSTALL_COMMAND ""
TEST_COMMAND ""
)
\ No newline at end of file
contrib/CMakeLists.txt
浏览文件 @
394178da
...
...
@@ -83,6 +83,11 @@ if(${BUILD_WITH_NURAFT})
cat
(
"
${
CMAKE_SUPPORT_DIR
}
/nuraft_CMakeLists.txt.in"
${
CONTRIB_TMP_FILE
}
)
endif
(
${
BUILD_WITH_NURAFT
}
)
# iconv
if
(
${
BUILD_WITH_ICONV
}
)
cat
(
"
${
CMAKE_SUPPORT_DIR
}
/iconv_CMakeLists.txt.in"
${
CONTRIB_TMP_FILE
}
)
endif
(
${
BUILD_WITH_ICONV
}
)
# download dependencies
configure_file
(
${
CONTRIB_TMP_FILE
}
"
${
CMAKE_CONTRIB_DIR
}
/deps-download/CMakeLists.txt"
)
execute_process
(
COMMAND
"
${
CMAKE_COMMAND
}
"
-G
"
${
CMAKE_GENERATOR
}
"
.
...
...
@@ -208,14 +213,10 @@ endif(${BUILD_WITH_TRAFT})
# LIBUV
if
(
${
BUILD_WITH_UV
}
)
if
(
NOT
${
CMAKE_SYSTEM_NAME
}
MATCHES
"Windows"
)
MESSAGE
(
"Windows need set no-sign-compare"
)
add_compile_options
(
-Wno-sign-compare
)
endif
()
if
(
${
CMAKE_SYSTEM_NAME
}
MATCHES
"Windows"
)
file
(
READ
"libuv/include/uv.h"
CONTENTS
)
string
(
REGEX REPLACE
"/([
\r
]*)
\n
struct uv_tcp_s {"
"/
\\
1
\n
typedef BOOL (PASCAL *LPFN_CONNECTEX) (SOCKET s, const struct sockaddr* name, int namelen, PVOID lpSendBuffer, DWORD dwSendDataLength,LPDWORD lpdwBytesSent, LPOVERLAPPED lpOverlapped);
\\
1
\n
struct uv_tcp_s {"
CONTENTS_NEW
"
${
CONTENTS
}
"
)
file
(
WRITE
"libuv/include/uv.h"
"
${
CONTENTS_NEW
}
"
)
if
(
${
TD_WINDOWS
}
)
file
(
READ
"libuv/include/uv.h"
CONTENTS
)
string
(
REGEX REPLACE
"/([
\r
]*)
\n
struct uv_tcp_s {"
"/
\\
1
\n
typedef BOOL (PASCAL *LPFN_CONNECTEX) (SOCKET s, const struct sockaddr* name, int namelen, PVOID lpSendBuffer, DWORD dwSendDataLength,LPDWORD lpdwBytesSent, LPOVERLAPPED lpOverlapped);
\\
1
\n
struct uv_tcp_s {"
CONTENTS_NEW
"
${
CONTENTS
}
"
)
file
(
WRITE
"libuv/include/uv.h"
"
${
CONTENTS_NEW
}
"
)
endif
()
add_subdirectory
(
libuv
)
endif
(
${
BUILD_WITH_UV
}
)
...
...
@@ -249,10 +250,14 @@ endif(${BUILD_WITH_SQLITE})
# pthread
if
(
${
BUILD_PTHREAD
}
)
ADD_DEFINITIONS
(
"-DPTW32_STATIC_LIB"
)
add_subdirectory
(
pthread
-win32
)
add_definitions
(
-DPTW32_STATIC_LIB
)
add_subdirectory
(
pthread
)
endif
(
${
BUILD_PTHREAD
}
)
# iconv
if
(
${
BUILD_WITH_ICONV
}
)
add_subdirectory
(
iconv
)
endif
(
${
BUILD_WITH_ICONV
}
)
# ================================================================================================
# Build test
...
...
include/os/osFile.h
浏览文件 @
394178da
...
...
@@ -22,15 +22,6 @@ extern "C" {
#include "osSocket.h"
#if defined(WINDOWS)
typedef
int32_t
FileFd
;
typedef
int32_t
SocketFd
;
#else
typedef
int32_t
FileFd
;
typedef
int32_t
SocketFd
;
#endif
int64_t
taosRead
(
FileFd
fd
,
void
*
buf
,
int64_t
count
);
// If the error is in a third-party library, place this header file under the third-party library header file.
#ifndef ALLOW_FORBID_FUNC
#define open OPEN_FUNC_TAOS_FORBID
...
...
@@ -42,6 +33,7 @@ int64_t taosRead(FileFd fd, void *buf, int64_t count);
#define close CLOSE_FUNC_TAOS_FORBID
#define fclose FCLOSE_FUNC_TAOS_FORBID
#define fsync FSYNC_FUNC_TAOS_FORBID
#define getline GETLINE_FUNC_TAOS_FORBID
// #define fflush FFLUSH_FUNC_TAOS_FORBID
#endif
...
...
@@ -49,15 +41,6 @@ int64_t taosRead(FileFd fd, void *buf, int64_t count);
#define PATH_MAX 256
#endif
typedef
int32_t
FileFd
;
typedef
struct
TdFile
{
pthread_rwlock_t
rwlock
;
int
refId
;
FileFd
fd
;
FILE
*
fp
;
}
*
TdFilePtr
,
TdFile
;
typedef
struct
TdFile
*
TdFilePtr
;
#define TD_FILE_CTEATE 0x0001
...
...
@@ -95,10 +78,6 @@ int64_t taosPReadFile(TdFilePtr pFile, void *buf, int64_t count, int64_t offset)
int64_t
taosWriteFile
(
TdFilePtr
pFile
,
const
void
*
buf
,
int64_t
count
);
void
taosFprintfFile
(
TdFilePtr
pFile
,
const
char
*
format
,
...);
#if defined(WINDOWS)
#define __restrict__
#endif // WINDOWS
int64_t
taosGetLineFile
(
TdFilePtr
pFile
,
char
**
__restrict__
ptrBuf
);
int32_t
taosEOFFile
(
TdFilePtr
pFile
);
...
...
@@ -111,15 +90,7 @@ int32_t taosRemoveFile(const char *path);
void
taosGetTmpfilePath
(
const
char
*
inputTmpDir
,
const
char
*
fileNamePrefix
,
char
*
dstPath
);
#if defined(_TD_DARWIN_64)
typedef
int32_t
SocketFd
;
int64_t
taosSendFile
(
SocketFd
fdDst
,
FileFd
pFileSrc
,
int64_t
*
offset
,
int64_t
size
);
int64_t
taosFSendFile
(
FILE
*
pFileOut
,
FILE
*
pFileIn
,
int64_t
*
offset
,
int64_t
size
);
#else
int64_t
taosSendFile
(
SocketFd
fdDst
,
TdFilePtr
pFileSrc
,
int64_t
*
offset
,
int64_t
size
);
int64_t
taosFSendFile
(
TdFilePtr
pFileOut
,
TdFilePtr
pFileIn
,
int64_t
*
offset
,
int64_t
size
);
#endif
void
*
taosMmapReadOnlyFile
(
TdFilePtr
pFile
,
int64_t
length
);
bool
taosValidFile
(
TdFilePtr
pFile
);
...
...
include/os/osString.h
浏览文件 @
394178da
...
...
@@ -20,16 +20,19 @@
extern
"C"
{
#endif
// If the error is in a third-party library, place this header file under the third-party library header file.
#ifndef ALLOW_FORBID_FUNC
#define iconv_open ICONV_OPEN_FUNC_TAOS_FORBID
#define iconv_close ICONV_CLOSE_FUNC_TAOS_FORBID
#define iconv ICONV_FUNC_TAOS_FORBID
#endif
typedef
int32_t
TdUcs4
;
#if defined(_TD_WINDOWS_64) || defined(_TD_WINDOWS_32)
#define tstrdup(str) _strdup(str)
#define tstrndup(str, size) _strndup(str, size)
int32_t
tgetline
(
char
**
lineptr
,
size_t
*
n
,
FILE
*
stream
);
int32_t
twcslen
(
const
wchar_t
*
wcs
);
#else
#define tstrdup(str) strdup(str)
#define tstrndup(str, size) strndup(str, size)
#define tgetline(lineptr, n, stream) getline(lineptr, n, stream)
#define twcslen wcslen
#endif
#define tstrncpy(dst, src, size) \
...
...
@@ -38,12 +41,12 @@ extern "C" {
(dst)[(size)-1] = 0; \
} while (0)
int32_t
taosUcs4len
(
TdUcs4
*
ucs4
);
int64_t
taosStr2int64
(
const
char
*
str
);
// USE_LIBICONV
int32_t
taosUcs4ToMbs
(
void
*
ucs4
,
int32_t
ucs4_max_len
,
char
*
mbs
);
bool
taosMbsToUcs4
(
const
char
*
mbs
,
size_t
mbs_len
,
char
*
ucs4
,
int32_t
ucs4_max_len
,
int32_t
*
len
);
int32_t
tasoUcs4Compare
(
void
*
f1_ucs4
,
void
*
f2_ucs4
,
int32_t
bytes
,
int8_t
ncharSize
);
int32_t
taosUcs4ToMbs
(
TdUcs4
*
ucs4
,
int32_t
ucs4_max_len
,
char
*
mbs
);
bool
taosMbsToUcs4
(
const
char
*
mbs
,
size_t
mbs_len
,
TdUcs4
*
ucs4
,
int32_t
ucs4_max_len
,
int32_t
*
len
);
int32_t
tasoUcs4Compare
(
TdUcs4
*
f1_ucs4
,
TdUcs4
*
f2_ucs4
,
int32_t
bytes
);
bool
taosValidateEncodec
(
const
char
*
encodec
);
#ifdef __cplusplus
...
...
include/util/tdef.h
浏览文件 @
394178da
...
...
@@ -41,7 +41,7 @@ extern const int32_t TYPE_BYTES[15];
#define DOUBLE_BYTES sizeof(double)
#define POINTER_BYTES sizeof(void *) // 8 by default assert(sizeof(ptrdiff_t) == sizseof(void*)
#define TSDB_KEYSIZE sizeof(TSKEY)
#define TSDB_NCHAR_SIZE sizeof(
int32_t
)
#define TSDB_NCHAR_SIZE sizeof(
TdUcs4
)
// NULL definition
#define TSDB_DATA_BOOL_NULL 0x02
...
...
source/common/src/tvariant.c
浏览文件 @
394178da
...
...
@@ -343,7 +343,7 @@ int32_t taosVariantToString(SVariant *pVar, char *dst) {
case
TSDB_DATA_TYPE_NCHAR
:
{
dst
[
0
]
=
'\''
;
taosUcs4ToMbs
(
pVar
->
wpz
,
(
t
wcs
len
(
pVar
->
wpz
)
+
1
)
*
TSDB_NCHAR_SIZE
,
dst
+
1
);
taosUcs4ToMbs
(
pVar
->
wpz
,
(
t
aosUcs4
len
(
pVar
->
wpz
)
+
1
)
*
TSDB_NCHAR_SIZE
,
dst
+
1
);
int32_t
len
=
(
int32_t
)
strlen
(
dst
);
dst
[
len
]
=
'\''
;
dst
[
len
+
1
]
=
0
;
...
...
@@ -460,8 +460,8 @@ static int32_t toNchar(SVariant *pVariant, char **pDest, int32_t *pDestSize) {
}
if
(
*
pDest
==
pVariant
->
pz
)
{
wchar_t
*
pWStr
=
calloc
(
1
,
(
nLen
+
1
)
*
TSDB_NCHAR_SIZE
);
bool
ret
=
taosMbsToUcs4
(
pDst
,
nLen
,
(
char
*
)
pWStr
,
(
nLen
+
1
)
*
TSDB_NCHAR_SIZE
,
NULL
);
TdUcs4
*
pWStr
=
calloc
(
1
,
(
nLen
+
1
)
*
TSDB_NCHAR_SIZE
);
bool
ret
=
taosMbsToUcs4
(
pDst
,
nLen
,
pWStr
,
(
nLen
+
1
)
*
TSDB_NCHAR_SIZE
,
NULL
);
if
(
!
ret
)
{
tfree
(
pWStr
);
return
-
1
;
...
...
@@ -473,7 +473,7 @@ static int32_t toNchar(SVariant *pVariant, char **pDest, int32_t *pDestSize) {
}
pVariant
->
wpz
=
pWStr
;
*
pDestSize
=
t
wcs
len
(
pVariant
->
wpz
);
*
pDestSize
=
t
aosUcs4
len
(
pVariant
->
wpz
);
// shrink the allocate memory, no need to check here.
char
*
tmp
=
realloc
(
pVariant
->
wpz
,
(
*
pDestSize
+
1
)
*
TSDB_NCHAR_SIZE
);
...
...
@@ -483,7 +483,7 @@ static int32_t toNchar(SVariant *pVariant, char **pDest, int32_t *pDestSize) {
}
else
{
int32_t
output
=
0
;
bool
ret
=
taosMbsToUcs4
(
pDst
,
nLen
,
*
pDest
,
(
nLen
+
1
)
*
TSDB_NCHAR_SIZE
,
&
output
);
bool
ret
=
taosMbsToUcs4
(
pDst
,
nLen
,
(
TdUcs4
*
)
*
pDest
,
(
nLen
+
1
)
*
TSDB_NCHAR_SIZE
,
&
output
);
if
(
!
ret
)
{
return
-
1
;
}
...
...
source/libs/parser/src/parInsert.c
浏览文件 @
394178da
...
...
@@ -622,7 +622,7 @@ static FORCE_INLINE int32_t MemRowAppend(const void* value, int32_t len, void* p
// if the converted output len is over than pColumnModel->bytes, return error: 'Argument list too long'
int32_t
output
=
0
;
const
char
*
rowEnd
=
tdRowEnd
(
rb
->
pBuf
);
if
(
!
taosMbsToUcs4
(
value
,
len
,
(
char
*
)
varDataVal
(
rowEnd
),
pa
->
schema
->
bytes
-
VARSTR_HEADER_SIZE
,
&
output
))
{
if
(
!
taosMbsToUcs4
(
value
,
len
,
(
TdUcs4
*
)
varDataVal
(
rowEnd
),
pa
->
schema
->
bytes
-
VARSTR_HEADER_SIZE
,
&
output
))
{
return
TSDB_CODE_TSC_SQL_SYNTAX_ERROR
;
}
varDataSetLen
(
rowEnd
,
output
);
...
...
@@ -725,7 +725,7 @@ static int32_t KvRowAppend(const void *value, int32_t len, void *param) {
}
else
if
(
TSDB_DATA_TYPE_NCHAR
==
type
)
{
// if the converted output len is over than pColumnModel->bytes, return error: 'Argument list too long'
int32_t
output
=
0
;
if
(
!
taosMbsToUcs4
(
value
,
len
,
varDataVal
(
pa
->
buf
),
pa
->
schema
->
bytes
-
VARSTR_HEADER_SIZE
,
&
output
))
{
if
(
!
taosMbsToUcs4
(
value
,
len
,
(
TdUcs4
*
)
varDataVal
(
pa
->
buf
),
pa
->
schema
->
bytes
-
VARSTR_HEADER_SIZE
,
&
output
))
{
return
TSDB_CODE_TSC_SQL_SYNTAX_ERROR
;
}
...
...
source/libs/scalar/src/filter.c
浏览文件 @
394178da
...
...
@@ -1813,7 +1813,7 @@ int32_t fltInitValFieldData(SFilterInfo *info) {
if
(
type
==
TSDB_DATA_TYPE_NCHAR
&&
(
unit
->
compare
.
optr
==
OP_TYPE_MATCH
||
unit
->
compare
.
optr
==
OP_TYPE_NMATCH
)){
char
newValData
[
TSDB_REGEX_STRING_DEFAULT_LEN
*
TSDB_NCHAR_SIZE
+
VARSTR_HEADER_SIZE
]
=
{
0
};
int32_t
len
=
taosUcs4ToMbs
(
varDataVal
(
fi
->
data
),
varDataLen
(
fi
->
data
),
varDataVal
(
newValData
));
int32_t
len
=
taosUcs4ToMbs
(
(
TdUcs4
*
)
varDataVal
(
fi
->
data
),
varDataLen
(
fi
->
data
),
varDataVal
(
newValData
));
if
(
len
<
0
){
qError
(
"filterInitValFieldData taosUcs4ToMbs error 1"
);
return
TSDB_CODE_QRY_APP_ERROR
;
...
...
@@ -2992,7 +2992,7 @@ bool filterExecuteImplMisc(void *pinfo, int32_t numOfRows, int8_t** p, SColumnDa
if
(
info
->
cunits
[
uidx
].
dataType
==
TSDB_DATA_TYPE_NCHAR
&&
(
info
->
cunits
[
uidx
].
optr
==
OP_TYPE_MATCH
||
info
->
cunits
[
uidx
].
optr
==
OP_TYPE_NMATCH
)){
char
*
newColData
=
calloc
(
info
->
cunits
[
uidx
].
dataSize
*
TSDB_NCHAR_SIZE
+
VARSTR_HEADER_SIZE
,
1
);
int32_t
len
=
taosUcs4ToMbs
(
varDataVal
(
colData
),
varDataLen
(
colData
),
varDataVal
(
newColData
));
int32_t
len
=
taosUcs4ToMbs
(
(
TdUcs4
*
)
varDataVal
(
colData
),
varDataLen
(
colData
),
varDataVal
(
newColData
));
if
(
len
<
0
){
qError
(
"castConvert1 taosUcs4ToMbs error"
);
}
else
{
...
...
@@ -3052,7 +3052,7 @@ bool filterExecuteImpl(void *pinfo, int32_t numOfRows, int8_t** p, SColumnDataAg
}
else
{
if
(
cunit
->
dataType
==
TSDB_DATA_TYPE_NCHAR
&&
(
cunit
->
optr
==
OP_TYPE_MATCH
||
cunit
->
optr
==
OP_TYPE_NMATCH
)){
char
*
newColData
=
calloc
(
cunit
->
dataSize
*
TSDB_NCHAR_SIZE
+
VARSTR_HEADER_SIZE
,
1
);
int32_t
len
=
taosUcs4ToMbs
(
varDataVal
(
colData
),
varDataLen
(
colData
),
varDataVal
(
newColData
));
int32_t
len
=
taosUcs4ToMbs
(
(
TdUcs4
*
)
varDataVal
(
colData
),
varDataLen
(
colData
),
varDataVal
(
newColData
));
if
(
len
<
0
){
qError
(
"castConvert1 taosUcs4ToMbs error"
);
}
else
{
...
...
@@ -3433,7 +3433,7 @@ int32_t filterConverNcharColumns(SFilterInfo* info, int32_t rows, bool *gotNchar
varDataCopy
(
dst
,
src
);
continue
;
}
bool
ret
=
taosMbsToUcs4
(
varDataVal
(
src
),
varDataLen
(
src
),
varDataVal
(
dst
),
bufSize
,
&
len
);
bool
ret
=
taosMbsToUcs4
(
varDataVal
(
src
),
varDataLen
(
src
),
(
TdUcs4
*
)
varDataVal
(
dst
),
bufSize
,
&
len
);
if
(
!
ret
)
{
qError
(
"filterConverNcharColumns taosMbsToUcs4 error"
);
return
TSDB_CODE_FAILED
;
...
...
source/libs/scalar/src/sclvector.c
浏览文件 @
394178da
...
...
@@ -316,7 +316,7 @@ int32_t vectorConvertFromVarData(SScalarParam* pIn, SScalarParam* pOut, int32_t
tmp
=
realloc
(
tmp
,
bufSize
);
}
int
len
=
taosUcs4ToMbs
(
varDataVal
(
pIn
->
data
),
varDataLen
(
pIn
->
data
),
tmp
);
int
len
=
taosUcs4ToMbs
(
(
TdUcs4
*
)
varDataVal
(
pIn
->
data
),
varDataLen
(
pIn
->
data
),
tmp
);
if
(
len
<
0
){
sclError
(
"castConvert taosUcs4ToMbs error 1"
);
tfree
(
tmp
);
...
...
source/os/CMakeLists.txt
浏览文件 @
394178da
...
...
@@ -5,9 +5,14 @@ target_include_directories(
PUBLIC
"
${
CMAKE_SOURCE_DIR
}
/include/os"
PUBLIC
"
${
CMAKE_SOURCE_DIR
}
/include"
PUBLIC
"
${
CMAKE_SOURCE_DIR
}
/include/util"
PUBLIC
"
${
CMAKE_SOURCE_DIR
}
/contrib/pthread
-win32
"
PUBLIC
"
${
CMAKE_SOURCE_DIR
}
/contrib/pthread"
PUBLIC
"
${
CMAKE_SOURCE_DIR
}
/contrib/gnuregex"
)
# iconv
find_path
(
IconvApiIncludes iconv.h PATHS
)
if
(
NOT IconvApiIncludes
)
add_definitions
(
-DDISALLOW_NCHAR_WITHOUT_ICONV
)
endif
()
target_link_libraries
(
os pthread dl rt m
)
source/os/src/osFile.c
浏览文件 @
394178da
...
...
@@ -46,6 +46,23 @@ extern int openU(const char *, int, ...); /* MsvcLibX UTF-8 version of open */
#define O_TEXT LINUX_FILE_NO_TEXT_OPTION
#endif
#if defined(WINDOWS)
typedef
int32_t
FileFd
;
typedef
int32_t
SocketFd
;
#else
typedef
int32_t
FileFd
;
typedef
int32_t
SocketFd
;
#endif
typedef
int32_t
FileFd
;
typedef
struct
TdFile
{
pthread_rwlock_t
rwlock
;
int
refId
;
FileFd
fd
;
FILE
*
fp
;
}
*
TdFilePtr
,
TdFile
;
#define FILE_WITH_LOCK 1
void
taosGetTmpfilePath
(
const
char
*
inputTmpDir
,
const
char
*
fileNamePrefix
,
char
*
dstPath
)
{
...
...
source/os/src/osLocale.c
浏览文件 @
394178da
...
...
@@ -81,7 +81,7 @@ void taosSetSystemLocale(const char *inLocale, const char *inCharSet) {
}
if
(
!
taosValidateEncodec
(
inCharSet
))
{
printf
(
"Invalid charset:%s, please set the valid charset in config file"
,
inCharSet
);
printf
(
"Invalid charset:%s, please set the valid charset in config file
\n
"
,
inCharSet
);
exit
(
-
1
);
}
}
...
...
source/os/src/osString.c
浏览文件 @
394178da
...
...
@@ -13,22 +13,69 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define ALLOW_FORBID_FUNC
#define _DEFAULT_SOURCE
#include "os.h"
#include "tdef.h"
#include <wchar.h>
#include <wctype.h>
//
#include "tdef.h"
//
#include <wchar.h>
//
#include <wctype.h>
#ifndef DISALLOW_NCHAR_WITHOUT_ICONV
#include "iconv.h"
#endif
int64_t
taosStr2int64
(
const
char
*
str
)
{
char
*
endptr
=
NULL
;
return
strtoll
(
str
,
&
endptr
,
10
);
}
#ifdef USE_LIBICONV
#include "iconv.h"
bool
taosCheckNcharValid
(
void
)
{
#ifdef DISALLOW_NCHAR_WITHOUT_ICONV
return
false
;
#else
return
true
;
#endif
}
int32_t
tasoUcs4Compare
(
TdUcs4
*
f1_ucs4
,
TdUcs4
*
f2_ucs4
,
int32_t
bytes
)
{
for
(
int32_t
i
=
0
;
i
<
bytes
;
i
+=
sizeof
(
TdUcs4
))
{
int32_t
f1
=
*
(
int32_t
*
)((
char
*
)
f1_ucs4
+
i
);
int32_t
f2
=
*
(
int32_t
*
)((
char
*
)
f2_ucs4
+
i
);
if
((
f1
==
0
&&
f2
!=
0
)
||
(
f1
!=
0
&&
f2
==
0
))
{
return
f1
-
f2
;
}
else
if
(
f1
==
0
&&
f2
==
0
)
{
return
0
;
}
if
(
f1
!=
f2
)
{
return
f1
-
f2
;
}
}
int32_t
taosUcs4ToMbs
(
void
*
ucs4
,
int32_t
ucs4_max_len
,
char
*
mbs
)
{
return
0
;
#if 0
int32_t ucs4_max_len = bytes + 4;
char *f1_mbs = calloc(bytes, 1);
char *f2_mbs = calloc(bytes, 1);
if (taosUcs4ToMbs(f1_ucs4, ucs4_max_len, f1_mbs) < 0) {
return -1;
}
if (taosUcs4ToMbs(f2_ucs4, ucs4_max_len, f2_mbs) < 0) {
return -1;
}
int32_t ret = strcmp(f1_mbs, f2_mbs);
free(f1_mbs);
free(f2_mbs);
return ret;
#endif
}
int32_t
taosUcs4ToMbs
(
TdUcs4
*
ucs4
,
int32_t
ucs4_max_len
,
char
*
mbs
)
{
#ifdef DISALLOW_NCHAR_WITHOUT_ICONV
return
-
1
;
#else
iconv_t
cd
=
iconv_open
(
tsCharset
,
DEFAULT_UNICODE_ENCODEC
);
size_t
ucs4_input_len
=
ucs4_max_len
;
size_t
outLen
=
ucs4_max_len
;
...
...
@@ -39,14 +86,18 @@ int32_t taosUcs4ToMbs(void *ucs4, int32_t ucs4_max_len, char *mbs) {
iconv_close
(
cd
);
return
(
int32_t
)(
ucs4_max_len
-
outLen
);
#endif
}
bool
taosMbsToUcs4
(
char
*
mbs
,
size_t
mbsLength
,
char
*
ucs4
,
int32_t
ucs4_max_len
,
int32_t
*
len
)
{
bool
taosMbsToUcs4
(
const
char
*
mbs
,
size_t
mbsLength
,
TdUcs4
*
ucs4
,
int32_t
ucs4_max_len
,
int32_t
*
len
)
{
#ifdef DISALLOW_NCHAR_WITHOUT_ICONV
return
-
1
;
#else
memset
(
ucs4
,
0
,
ucs4_max_len
);
iconv_t
cd
=
iconv_open
(
DEFAULT_UNICODE_ENCODEC
,
tsCharset
);
size_t
ucs4_input_len
=
mbsLength
;
size_t
outLeft
=
ucs4_max_len
;
if
(
iconv
(
cd
,
&
mbs
,
&
ucs4_input_len
,
&
ucs4
,
&
outLeft
)
==
-
1
)
{
if
(
iconv
(
cd
,
(
char
**
)
&
mbs
,
&
ucs4_input_len
,
(
char
**
)
&
ucs4
,
&
outLeft
)
==
-
1
)
{
iconv_close
(
cd
);
return
false
;
}
...
...
@@ -60,9 +111,13 @@ bool taosMbsToUcs4(char *mbs, size_t mbsLength, char *ucs4, int32_t ucs4_max_len
}
return
true
;
#endif
}
bool
taosValidateEncodec
(
const
char
*
encodec
)
{
#ifdef DISALLOW_NCHAR_WITHOUT_ICONV
return
false
;
#else
iconv_t
cd
=
iconv_open
(
encodec
,
DEFAULT_UNICODE_ENCODEC
);
if
(
cd
==
(
iconv_t
)(
-
1
))
{
return
false
;
...
...
@@ -70,214 +125,11 @@ bool taosValidateEncodec(const char *encodec) {
iconv_close
(
cd
);
return
true
;
}
#else
int32_t
taosUcs4ToMbs
(
void
*
ucs4
,
int32_t
ucs4_max_len
,
char
*
mbs
)
{
mbstate_t
state
=
{
0
};
int32_t
len
=
(
int32_t
)
wcsnrtombs
(
NULL
,
(
const
wchar_t
**
)
&
ucs4
,
ucs4_max_len
/
4
,
0
,
&
state
);
if
(
len
<
0
)
{
return
-
1
;
}
memset
(
&
state
,
0
,
sizeof
(
state
));
len
=
wcsnrtombs
(
mbs
,
(
const
wchar_t
**
)
&
ucs4
,
ucs4_max_len
/
4
,
(
size_t
)
len
,
&
state
);
if
(
len
<
0
)
{
return
-
1
;
}
return
len
;
}
bool
taosMbsToUcs4
(
const
char
*
mbs
,
size_t
mbsLength
,
char
*
ucs4
,
int32_t
ucs4_max_len
,
int32_t
*
len
)
{
memset
(
ucs4
,
0
,
ucs4_max_len
);
mbstate_t
state
=
{
0
};
int32_t
retlen
=
mbsnrtowcs
((
wchar_t
*
)
ucs4
,
(
const
char
**
)
&
mbs
,
mbsLength
,
ucs4_max_len
/
4
,
&
state
);
*
len
=
retlen
;
return
retlen
>=
0
;
}
bool
taosValidateEncodec
(
const
char
*
encodec
)
{
return
true
;
}
#endif
#if defined(_TD_WINDOWS_64) || defined(_TD_WINDOWS_32)
/*
* windows implementation
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/types.h>
#include <stdio.h>
#include <assert.h>
#include <errno.h>
#include <stdint.h>
#if STDC_HEADERS
#include <stdlib.h>
#else
char
*
malloc
(),
*
realloc
();
#endif
/* Always add at least this many bytes when extending the buffer. */
#define MIN_CHUNK 64
/* Read up to (and including) a TERMINATOR from STREAM into *LINEPTR
+ OFFSET (and null-terminate it). *LINEPTR is a pointer returned from
malloc (or NULL), pointing to *N characters of space. It is realloc'd
as necessary. Return the number of characters read (not including the
null terminator), or -1 on error or EOF. On a -1 return, the caller
should check feof(), if not then errno has been set to indicate
the error. */
int32_t
getstr
(
char
**
lineptr
,
size_t
*
n
,
FILE
*
stream
,
char
terminator
,
int32_t
offset
)
{
int32_t
nchars_avail
;
/* Allocated but unused chars in *LINEPTR. */
char
*
read_pos
;
/* Where we're reading into *LINEPTR. */
int32_t
ret
;
if
(
!
lineptr
||
!
n
||
!
stream
)
{
errno
=
EINVAL
;
return
-
1
;
}
if
(
!*
lineptr
)
{
*
n
=
MIN_CHUNK
;
*
lineptr
=
malloc
(
*
n
);
if
(
!*
lineptr
)
{
errno
=
ENOMEM
;
return
-
1
;
}
}
nchars_avail
=
(
int32_t
)(
*
n
-
offset
);
read_pos
=
*
lineptr
+
offset
;
for
(;;)
{
int32_t
save_errno
;
register
int32_t
c
=
getc
(
stream
);
save_errno
=
errno
;
/* We always want at least one char left in the buffer, since we
always (unless we get an error while reading the first char)
NUL-terminate the line buffer. */
assert
((
*
lineptr
+
*
n
)
==
(
read_pos
+
nchars_avail
));
if
(
nchars_avail
<
2
)
{
if
(
*
n
>
MIN_CHUNK
)
*
n
*=
2
;
else
*
n
+=
MIN_CHUNK
;
nchars_avail
=
(
int32_t
)(
*
n
+
*
lineptr
-
read_pos
);
char
*
lineptr1
=
realloc
(
*
lineptr
,
*
n
);
if
(
!
lineptr1
)
{
errno
=
ENOMEM
;
return
-
1
;
}
*
lineptr
=
lineptr1
;
read_pos
=
*
n
-
nchars_avail
+
*
lineptr
;
assert
((
*
lineptr
+
*
n
)
==
(
read_pos
+
nchars_avail
));
}
if
(
ferror
(
stream
))
{
/* Might like to return partial line, but there is no
place for us to store errno. And we don't want to just
lose errno. */
errno
=
save_errno
;
return
-
1
;
}
if
(
c
==
EOF
)
{
/* Return partial line, if any. */
if
(
read_pos
==
*
lineptr
)
return
-
1
;
else
break
;
}
*
read_pos
++
=
c
;
nchars_avail
--
;
if
(
c
==
terminator
)
/* Return the line. */
break
;
}
/* Done - NUL terminate and return the number of chars read. */
*
read_pos
=
'\0'
;
ret
=
(
int32_t
)(
read_pos
-
(
*
lineptr
+
offset
));
return
ret
;
}
int32_t
tgetline
(
char
**
lineptr
,
size_t
*
n
,
FILE
*
stream
)
{
return
getstr
(
lineptr
,
n
,
stream
,
'\n'
,
0
);
}
/*
* Get next token from string *stringp, where tokens are possibly-empty
* strings separated by characters from delim.
*
* Writes NULs into the string at *stringp to end tokens.
* delim need not remain constant from call to call.
* On return, *stringp points past the last NUL written (if there might
* be further tokens), or is NULL (if there are definitely no moretokens).
*
* If *stringp is NULL, strsep returns NULL.
*/
char
*
strsep
(
char
**
stringp
,
const
char
*
delim
)
{
char
*
s
;
const
char
*
spanp
;
int32_t
c
,
sc
;
char
*
tok
;
if
((
s
=
*
stringp
)
==
NULL
)
return
(
NULL
);
for
(
tok
=
s
;;)
{
c
=
*
s
++
;
spanp
=
delim
;
do
{
if
((
sc
=
*
spanp
++
)
==
c
)
{
if
(
c
==
0
)
s
=
NULL
;
else
s
[
-
1
]
=
0
;
*
stringp
=
s
;
return
(
tok
);
}
}
while
(
sc
!=
0
);
}
/* NOTREACHED */
}
char
*
getpass
(
const
char
*
prefix
)
{
static
char
passwd
[
TSDB_PASSWORD_LEN
]
=
{
0
};
memset
(
passwd
,
0
,
TSDB_PASSWORD_LEN
);
//printf("%s", prefix);
int32_t
index
=
0
;
char
ch
;
while
(
index
<
TSDB_PASSWORD_LEN
)
{
ch
=
getch
();
if
(
ch
==
'\n'
||
ch
==
'\r'
)
{
break
;
}
else
{
passwd
[
index
++
]
=
ch
;
}
}
return
passwd
;
}
int32_t
twcslen
(
const
wchar_t
*
wcs
)
{
int32_t
*
wstr
=
(
int32_t
*
)
wcs
;
int32_t
taosUcs4len
(
TdUcs4
*
ucs4
)
{
TdUcs4
*
wstr
=
(
TdUcs4
*
)
ucs4
;
if
(
NULL
==
wstr
)
{
return
0
;
}
...
...
@@ -292,73 +144,341 @@ int32_t twcslen(const wchar_t *wcs) {
return
n
;
}
int32_t
tasoUcs4Compare
(
void
*
f1_ucs4
,
void
*
f2_ucs4
,
int32_t
bytes
)
{
for
(
int32_t
i
=
0
;
i
<
bytes
;
i
+=
TSDB_NCHAR_SIZE
)
{
int32_t
f1
=
*
(
int32_t
*
)((
char
*
)
f1_ucs4
+
i
);
int32_t
f2
=
*
(
int32_t
*
)((
char
*
)
f2_ucs4
+
i
);
if
((
f1
==
0
&&
f2
!=
0
)
||
(
f1
!=
0
&&
f2
==
0
))
{
return
f1
-
f2
;
}
else
if
(
f1
==
0
&&
f2
==
0
)
{
return
0
;
}
if
(
f1
!=
f2
)
{
return
f1
-
f2
;
}
}
return
0
;
#if 0
int32_t ucs4_max_len = bytes + 4;
char *f1_mbs = calloc(bytes, 1);
char *f2_mbs = calloc(bytes, 1);
if (taosUcs4ToMbs(f1_ucs4, ucs4_max_len, f1_mbs) < 0) {
return -1;
}
if (taosUcs4ToMbs(f2_ucs4, ucs4_max_len, f2_mbs) < 0) {
return -1;
}
int32_t ret = strcmp(f1_mbs, f2_mbs);
free(f1_mbs);
free(f2_mbs);
return ret;
#endif
}
/* Copy memory to memory until the specified number of bytes
has been copied, return pointer to following byte.
Overlap is NOT handled correctly. */
void
*
mempcpy
(
void
*
dest
,
const
void
*
src
,
size_t
len
)
{
return
(
char
*
)
memcpy
(
dest
,
src
,
len
)
+
len
;
}
/* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */
char
*
stpcpy
(
char
*
dest
,
const
char
*
src
)
{
size_t
len
=
strlen
(
src
);
return
(
char
*
)
memcpy
(
dest
,
src
,
len
+
1
)
+
len
;
}
/* Copy no more than N characters of SRC to DEST, returning the address of
the terminating '\0' in DEST, if any, or else DEST + N. */
char
*
stpncpy
(
char
*
dest
,
const
char
*
src
,
size_t
n
)
{
size_t
size
=
strnlen
(
src
,
n
);
memcpy
(
dest
,
src
,
size
);
dest
+=
size
;
if
(
size
==
n
)
return
dest
;
return
memset
(
dest
,
'\0'
,
n
-
size
);
}
#else
/*
* linux and darwin implementation
*/
int32_t
tasoUcs4Compare
(
void
*
f1_ucs4
,
void
*
f2_ucs4
,
int32_t
bytes
,
int8_t
ncharSize
)
{
return
wcsncmp
((
wchar_t
*
)
f1_ucs4
,
(
wchar_t
*
)
f2_ucs4
,
bytes
/
ncharSize
);
}
#endif
// #ifdef USE_LIBICONV
// #include "iconv.h"
// int32_t taosUcs4ToMbs(void *ucs4, int32_t ucs4_max_len, char *mbs) {
// iconv_t cd = iconv_open(tsCharset, DEFAULT_UNICODE_ENCODEC);
// size_t ucs4_input_len = ucs4_max_len;
// size_t outLen = ucs4_max_len;
// if (iconv(cd, (char **)&ucs4, &ucs4_input_len, &mbs, &outLen) == -1) {
// iconv_close(cd);
// return -1;
// }
// iconv_close(cd);
// return (int32_t)(ucs4_max_len - outLen);
// }
// bool taosMbsToUcs4(char *mbs, size_t mbsLength, char *ucs4, int32_t ucs4_max_len, int32_t *len) {
// memset(ucs4, 0, ucs4_max_len);
// iconv_t cd = iconv_open(DEFAULT_UNICODE_ENCODEC, tsCharset);
// size_t ucs4_input_len = mbsLength;
// size_t outLeft = ucs4_max_len;
// if (iconv(cd, &mbs, &ucs4_input_len, &ucs4, &outLeft) == -1) {
// iconv_close(cd);
// return false;
// }
// iconv_close(cd);
// if (len != NULL) {
// *len = (int32_t)(ucs4_max_len - outLeft);
// if (*len < 0) {
// return false;
// }
// }
// return true;
// }
// bool taosValidateEncodec(const char *encodec) {
// iconv_t cd = iconv_open(encodec, DEFAULT_UNICODE_ENCODEC);
// if (cd == (iconv_t)(-1)) {
// return false;
// }
// iconv_close(cd);
// return true;
// }
// #else
// int32_t taosUcs4ToMbs(void *ucs4, int32_t ucs4_max_len, char *mbs) {
// mbstate_t state = {0};
// int32_t len = (int32_t)wcsnrtombs(NULL, (const wchar_t **)&ucs4, ucs4_max_len / 4, 0, &state);
// if (len < 0) {
// return -1;
// }
// memset(&state, 0, sizeof(state));
// len = wcsnrtombs(mbs, (const wchar_t **)&ucs4, ucs4_max_len / 4, (size_t)len, &state);
// if (len < 0) {
// return -1;
// }
// return len;
// }
// bool taosMbsToUcs4(const char *mbs, size_t mbsLength, char *ucs4, int32_t ucs4_max_len, int32_t *len) {
// memset(ucs4, 0, ucs4_max_len);
// mbstate_t state = {0};
// int32_t retlen = mbsnrtowcs((wchar_t *)ucs4, (const char **)&mbs, mbsLength, ucs4_max_len / 4, &state);
// *len = retlen;
// return retlen >= 0;
// }
// bool taosValidateEncodec(const char *encodec) {
// return true;
// }
// #endif
// #if defined(_TD_WINDOWS_64) || defined(_TD_WINDOWS_32)
// /*
// * windows implementation
// */
// #ifdef HAVE_CONFIG_H
// #include <config.h>
// #endif
// #include <sys/types.h>
// #include <stdio.h>
// #include <assert.h>
// #include <errno.h>
// #include <stdint.h>
// #if STDC_HEADERS
// #include <stdlib.h>
// #else
// char *malloc(), *realloc();
// #endif
// /* Always add at least this many bytes when extending the buffer. */
// #define MIN_CHUNK 64
// /* Read up to (and including) a TERMINATOR from STREAM into *LINEPTR
// + OFFSET (and null-terminate it). *LINEPTR is a pointer returned from
// malloc (or NULL), pointing to *N characters of space. It is realloc'd
// as necessary. Return the number of characters read (not including the
// null terminator), or -1 on error or EOF. On a -1 return, the caller
// should check feof(), if not then errno has been set to indicate
// the error. */
// int32_t getstr(char **lineptr, size_t *n, FILE *stream, char terminator, int32_t offset) {
// int32_t nchars_avail; /* Allocated but unused chars in *LINEPTR. */
// char * read_pos; /* Where we're reading into *LINEPTR. */
// int32_t ret;
// if (!lineptr || !n || !stream) {
// errno = EINVAL;
// return -1;
// }
// if (!*lineptr) {
// *n = MIN_CHUNK;
// *lineptr = malloc(*n);
// if (!*lineptr) {
// errno = ENOMEM;
// return -1;
// }
// }
// nchars_avail = (int32_t)(*n - offset);
// read_pos = *lineptr + offset;
// for (;;) {
// int32_t save_errno;
// register int32_t c = getc(stream);
// save_errno = errno;
// /* We always want at least one char left in the buffer, since we
// always (unless we get an error while reading the first char)
// NUL-terminate the line buffer. */
// assert((*lineptr + *n) == (read_pos + nchars_avail));
// if (nchars_avail < 2) {
// if (*n > MIN_CHUNK)
// *n *= 2;
// else
// *n += MIN_CHUNK;
// nchars_avail = (int32_t)(*n + *lineptr - read_pos);
// char* lineptr1 = realloc(*lineptr, *n);
// if (!lineptr1) {
// errno = ENOMEM;
// return -1;
// }
// *lineptr = lineptr1;
// read_pos = *n - nchars_avail + *lineptr;
// assert((*lineptr + *n) == (read_pos + nchars_avail));
// }
// if (ferror(stream)) {
// /* Might like to return partial line, but there is no
// place for us to store errno. And we don't want to just
// lose errno. */
// errno = save_errno;
// return -1;
// }
// if (c == EOF) {
// /* Return partial line, if any. */
// if (read_pos == *lineptr)
// return -1;
// else
// break;
// }
// *read_pos++ = c;
// nchars_avail--;
// if (c == terminator) /* Return the line. */
// break;
// }
// /* Done - NUL terminate and return the number of chars read. */
// *read_pos = '\0';
// ret = (int32_t)(read_pos - (*lineptr + offset));
// return ret;
// }
// int32_t tgetline(char **lineptr, size_t *n, FILE *stream) { return getstr(lineptr, n, stream, '\n', 0); }
// /*
// * Get next token from string *stringp, where tokens are possibly-empty
// * strings separated by characters from delim.
// *
// * Writes NULs into the string at *stringp to end tokens.
// * delim need not remain constant from call to call.
// * On return, *stringp points past the last NUL written (if there might
// * be further tokens), or is NULL (if there are definitely no moretokens).
// *
// * If *stringp is NULL, strsep returns NULL.
// */
// char *strsep(char **stringp, const char *delim) {
// char * s;
// const char *spanp;
// int32_t c, sc;
// char *tok;
// if ((s = *stringp) == NULL)
// return (NULL);
// for (tok = s;;) {
// c = *s++;
// spanp = delim;
// do {
// if ((sc = *spanp++) == c) {
// if (c == 0)
// s = NULL;
// else
// s[-1] = 0;
// *stringp = s;
// return (tok);
// }
// } while (sc != 0);
// }
// /* NOTREACHED */
// }
// char *getpass(const char *prefix) {
// static char passwd[TSDB_PASSWORD_LEN] = {0};
// memset(passwd, 0, TSDB_PASSWORD_LEN);
// //printf("%s", prefix);
// int32_t index = 0;
// char ch;
// while (index < TSDB_PASSWORD_LEN) {
// ch = getch();
// if (ch == '\n' || ch == '\r') {
// break;
// } else {
// passwd[index++] = ch;
// }
// }
// return passwd;
// }
// int32_t twcslen(const wchar_t *wcs) {
// int32_t *wstr = (int32_t *)wcs;
// if (NULL == wstr) {
// return 0;
// }
// int32_t n = 0;
// while (1) {
// if (0 == *wstr++) {
// break;
// }
// n++;
// }
// return n;
// }
// int32_t tasoUcs4Compare(void *f1_ucs4, void *f2_ucs4, int32_t bytes) {
// for (int32_t i = 0; i < bytes; i += TSDB_NCHAR_SIZE) {
// int32_t f1 = *(int32_t *)((char *)f1_ucs4 + i);
// int32_t f2 = *(int32_t *)((char *)f2_ucs4 + i);
// if ((f1 == 0 && f2 != 0) || (f1 != 0 && f2 == 0)) {
// return f1 - f2;
// } else if (f1 == 0 && f2 == 0) {
// return 0;
// }
// if (f1 != f2) {
// return f1 - f2;
// }
// }
// return 0;
// #if 0
// int32_t ucs4_max_len = bytes + 4;
// char *f1_mbs = calloc(bytes, 1);
// char *f2_mbs = calloc(bytes, 1);
// if (taosUcs4ToMbs(f1_ucs4, ucs4_max_len, f1_mbs) < 0) {
// return -1;
// }
// if (taosUcs4ToMbs(f2_ucs4, ucs4_max_len, f2_mbs) < 0) {
// return -1;
// }
// int32_t ret = strcmp(f1_mbs, f2_mbs);
// free(f1_mbs);
// free(f2_mbs);
// return ret;
// #endif
// }
// /* Copy memory to memory until the specified number of bytes
// has been copied, return pointer to following byte.
// Overlap is NOT handled correctly. */
// void *mempcpy(void *dest, const void *src, size_t len) {
// return (char*)memcpy(dest, src, len) + len;
// }
// /* Copy SRC to DEST, returning the address of the terminating '\0' in DEST. */
// char *stpcpy (char *dest, const char *src) {
// size_t len = strlen (src);
// return (char*)memcpy(dest, src, len + 1) + len;
// }
// /* Copy no more than N characters of SRC to DEST, returning the address of
// the terminating '\0' in DEST, if any, or else DEST + N. */
// char *stpncpy (char *dest, const char *src, size_t n) {
// size_t size = strnlen (src, n);
// memcpy (dest, src, size);
// dest += size;
// if (size == n)
// return dest;
// return memset (dest, '\0', n - size);
// }
// #else
// /*
// * linux and darwin implementation
// */
// int32_t tasoUcs4Compare(void *f1_ucs4, void *f2_ucs4, int32_t bytes, int8_t ncharSize) {
// return wcsncmp((wchar_t *)f1_ucs4, (wchar_t *)f2_ucs4, bytes / ncharSize);
// }
// #endif
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