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Results tagged with winapi
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The Win32 API is the core set of application programming interfaces (APIs) available in the Microsoft Windows operating systems. This tag is for questions about developing native Windows applications using the Win32 API.
1
vote
Accepted
A small C WinAPI program moving the cursor in a circle
Integer math for an integer problem
Consider a variation on Bresenham's circle algorithm for an integer only solution: faster and precise.
Note: Graphics processors use integer math for drawing circle …
- 33.7k
1
vote
Accepted
Send command and get response from Windows CMD prompt silently - follow-up
Handling embedded null bytes
ReadFile(, lpBuffer,,,) may read null characters into lpBuffer. Should this occur, much of code's use of str...() would suffer. Code instead needs to keep track of data …
- 33.7k
1
vote
Accepted
Win32/C: Notepad wrapper that automatically converts Unix line endings to Windows line endings
Architecture idea:
Code reads the entire file into memory, coverts it and then conditionally writes it out.
ReadFile(hFile, bIn, dwLow, &dwRead, NULL);
leResult = ConvertLineEndings(bIn, dwLow, bOu …
- 33.7k
2
votes
First C program: records keyboard/mouse and simulates the recording afterwards
Initial position
add_cursor() only adds the cursor's position to the function's queue if there is a change.
Depending on needs, I'd expect the initial mouse position to be added too and not assume i …
- 33.7k
3
votes
Simple Win32 API Calculator in C
Bug
sprintf(strValue, "%s %c", strValue, Value); is undefined behavior (UB) in C99 due to restrict does not allow s to overlap the ... arguments.
int sprintf(char * restrict s, const char * restrict f …
- 33.7k
2
votes
Sending and receiving files in C win32 using a socket
Various size_t
As the size_t is not specified to be the same across Windows, nor the compile version of the sender and receiver code the same, nor is the size of file limited to SIZE_MAX, I would cons …
- 33.7k