Questions tagged [widestring]
112 questions
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What is the issue in following conversion from argv[1] to char * string?
I am very new to C and pointers. I am trying to convert command line argument to wchar_t * . But somehow it is not giving proper output. What am I missing?
void fun(){
std::setlocale(LC_ALL, "en_US.utf8");
…
mathewFarrel
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2 answers
wscanf() behaving differently than scanf() when taking input
I have a simple program which takes user input as a string and output the entered string. The only difference is that I have provided two option to the user,
First to input a basic string.
Second to input a wide string.
The scanf() successfully…
Prateek Joshi
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Why can't I convert a multibyte string to a wide string? mbsrtowcs fails with EILSEQ even though the mbstring seems valid
Please see this snippet I wrote that is supposed to simply convert a multibyte string (which it gets from stdin) to a wide string. Having read the mbsrtowcs and mbstate_t documentation from cppreference I thought it was valid:
#include…
user4385532
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1 answer
Access Violation when trying to create class with wide string
Im making a code which is supposed to read a debug log, parse the log, and activate a google text-to-speech which will give info about the game that spits it out.
The log has UTF-8 encoding, so im using wide strings in the code, the code compiles,…
OptoCloud
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How to read a "wide" string into a buffer?
The Windows API has functions like GetWindowTextW that read a string into a buffer you provide. How do I provide such a buffer and then read a string from it in Rust?
P.S.
In contrast to this question Calling the GetUserName WinAPI function with a…
VasiliNovikov
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How pass word number to widestring?
First of all I am sorry that I cannot better to describe my problem.
What I have is Word number 65025 which is 0xFE01 or
11111110 00000001 in binary. And I want to pass the value to wstr Word => 11111110 00000001.
I found that using typecast does…
John Boe
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Should I pass a mutable reference or transfer ownership of a variable in the context of FFI?
I have a program that utilizes a Windows API via a C FFI (via winapi-rs). One of the functions expects a pointer to a pointer to a string as an output parameter. The function will store its result into this string. I'm using a variable of type…
Norbert
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Proper manipulation of wide char/string in C
OS X Yosemite 10.10.5
XCode 7.2
I've been reading and experimenting whole day long, about wide char/string in C and I still can't make it work.
I'm trying to read a file composed only by wide characters like the followings:
んわらやま (Japanese)
I…
Paul
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Opencv functions and wide strings
Opencv functions like cv::imread() take as arguments only strings. So, if I write:
cv::Mat image = cv::imread("C:\\folder\\image.jpg");
everything is fine and it will load the image. But, if the path contains wide characters (for example greek…
DimChtz
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Sending TCHAR buffer with send(sock, wszBuffer, ...)?
I have a wide-character XML message that I need to send over a Win32 socket in C++.
TCHAR wszBuffer[1024];
Should I sprintf(szSendBuffer, "%S", wszBuffer) the wide character buffer to a char array before sending it?
What is the correct way to send…
Petrus Theron
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5 answers
What can cause SysFreeString to hit an Int 3 breakpoint?
I've got some code that worked fine under Delphi 2007 but breaks under D2010. It involves passing in a string, converting it to a PWideChar (specifically, a WideString pointer, not a UnicodeString pointer), doing some processing, and then calling…
Mason Wheeler
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How to cast wchar_t into int for displaying the code point?
I have a simple function in my program, when I was wanting to mess around with unicode and do stuff with it. In this function, I wished to display the code value of the character the user entered. It SEEMED possible, here's my function:
wstring…
John D.
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Convert WideString to PWideChar
I use Nicomsoft OCR library to OCR images in Delphi. It is good for my tasks and it has Delphi unit-wrapper so it's easy to use it in Delphi. However, Delphi debugger shows "Range Error" message when I pass empty string as parameter value to some…
Mulder915
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Error - Perl execution failed. Wide character in syswrite
I have a perl script which runs a bunch of commands redirects both stdin and stderr into a text file. After the scripts finish, I display the contents of the file to a webpage that invoked it, using cgi.
At least one of the lines wrote to the file…
James Oravec
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How to add wide string prefix to C-style string (in C++)?
How do I add the wide string prefix to a C-style string (in C++)?
I've seen the L added to literals:
L"Hello";
But given:
const char cs[] = "Hello";
neither L(cs); nor (L)cs; works. What is the correct way to express it?
CodeBricks
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