Stack Overflow
Stack Overflow

Questions tagged [char16-t]

The C++11 `char16_t` standard type represents a character in UTF-16 encoding.

36 questions
1
vote
0 answers

VS 2015 std::char_traits operations

At my workplace, we changed string type (which holds internationalized characters) for from std::wstring to std::u16string after VS 2015(Update 3) compiler upgrade. Due to this, we are seeing loads of performance regressions such as this. The…
Recker
  • 1,915
  • 25
  • 55
1
vote
1 answer

How to use the new char16_t and u8 types?

c11 improve encoding support with built-in types for utf-8 utf-16 and utf-32. However I was completely unable to find reference on using them in Standard functions. All I found is how to use them in c++11 not in C. So how to printf a char32_t for…
user2284570
  • 2,891
  • 3
  • 26
  • 74
1
vote
1 answer

Copy a basic_string to vector

Please suggest an efficient way to copy bytes from a basic_string< char16_t> to vector< uint8_t>. I am not concerned with the encoding, and just want to copy the bytes to the bytearray. It will later be interpreted with the correct encoding…
SkypeMeSM
  • 3,197
  • 8
  • 43
  • 61
1
vote
2 answers

How to find the built-in function to deal with char16_t in C?

Please tell what is the char16_t version for the String Manipulation Functions such as: http://www.tutorialspoint.com/ansi_c/c_function_references.htm I found many references site, but no one mentioned that. Especially for printing function, this is…
CL So
  • 3,647
  • 10
  • 51
  • 95
1
vote
2 answers

C++11 char16_t strstr and sprintf equivalent

Is there any equivalent function to strstr and sprintf for char16_t type? Also, where could I find the remaining functions of char16_t?
doptimusprime
  • 9,115
  • 6
  • 52
  • 90
0
votes
1 answer

Linux - how to read from the console to char16_t buffer

I work on Linux. I have to read from the console to char16_t buffer. Currently my code looks like this: char tempBuf[1024] = {0}; int readBytes = read(STDIN_FILENO, tempBuf, 1024); char16_t* buf = convertToChar16(tempBuf, readBytes); Inside the…
Irbis
  • 1,432
  • 1
  • 13
  • 39
0
votes
0 answers

How to convert char16_t to wchar_t to print out with wprintf

I am trying to write a function to convert a const char16_* to a const wchar_t* to use it in wprintf later on: const wchar_t* wchart_from_char16(const char16_t*) { ??? } int main(){ const char16_t* my = u"The Text I want to print"; const…
user3443063
  • 1,455
  • 4
  • 23
  • 37
0
votes
1 answer

How to convert command line arguments from char * argv[] to char16_t * argv[]

I have a main() on Linux that receives command line arguments as char** int main(int argc ,char * argv[]) In my cross platform program I want to use the command line arguments as char16_t. Therefore I need to convert char->char16_t. How do I do…
user3443063
  • 1,455
  • 4
  • 23
  • 37
0
votes
1 answer

c++ how to convert wchar_t to char16_t

Convert between string, u16string & u32string This post explains the opposite of my question. So I need to post a new question I need to convert wchar_t to char16_t. I found a sample of doing the opposite ( char16_t -> wchar_t) here: I am not…
user3443063
  • 1,455
  • 4
  • 23
  • 37
0
votes
0 answers

Cyrillic characters are not saved in char16_t under msvc with cmake build

I faced the following problem: when I try to save a Cyrillic character in the char16_t variable, I get a c2015 error (too many characters in constant). The most interesting thing is that it happens only when I build with MSVC via cmake. If I do it…
qwertyui
  • 1
  • 1
0
votes
1 answer

Looking for c++ equivalent for _wfindfirst for char16_t

I have filenames using char16_t characters: char16_t Text[2560] = u"ThisIsTheFileName.txt"; char16_t const* Filename = Text; How can I check if the file exists already? I know that I can do so for wchar_t using _wfindfirst(). But I need char16_t…
user3443063
  • 1,455
  • 4
  • 23
  • 37
0
votes
2 answers

Is there a function to concatenate two char16_t

There is the function wcsncat_s() for concatenating two wchar_t*: errno_t wcsncat_s( wchar_t *restrict dest, rsize_t destsz, const wchar_t *restrict src, rsize_t count ); Is there an equivalent function for concatenating two char16_t?
user3443063
  • 1,455
  • 4
  • 23
  • 37
0
votes
0 answers

C++ convert wchar_t to char16_t and back

I have a program that is supposed to run on all platfotms. So I need to get rid of wchar_t and use char16_t instead. How can I convert wchar_t <-> char16_t For example how would I get to use wsclen() here? wchar_t WT = L'Hello World! of…
user3443063
  • 1,455
  • 4
  • 23
  • 37
0
votes
0 answers

memcmp difference between gcc 10.3 and gcc 11.1 for char16_t

Im converting some tests that use the memcmp function and don't get the expected output. Now I've been trying to figure out why there is a difference in the windows vs linux output and I ended up on godbolt.org. There I played around with different…
Gert Kommer
  • 1,163
  • 2
  • 22
  • 49
0
votes
1 answer

Unknown Type name char16_t while compiling C code using a header that is used for C++ code

This is my header file, sample.h #pragma #ifndef BASETYPES #define BASETYPES typedef char16_t WCHAR #endif This is my C code, sample.c WCHAR *name; int main() { } The above header was initially used by only C++ code. Now I have a C code to…
Shaik Syed Ali
  • 3,359
  • 3
  • 17
  • 22
1
2
3