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Questions - toupper

Getting no output why is that?

I', learning C and I'm getting no output for some reason, probably I don't return as I should but how I should? (described the problem in the comments below :D) Any help is appreciated! #include <...
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Patton13

c

scope

c-strings

function-definition

toupper

Votes: 0

Answers: 2

Latest Answer

You declared within the function a local variable length array that will not be alive after exiting the function char str_out[strlen(string) + 1]; So your program has undefined behavior. If the funct...
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Vlad from Moscow

Transforming a string_view in-place

std::transform, as of C++20, is declared constexpr. I have a bunch of string utility functions that take std::string arguments, but a lot of the usage ends up just passing in small, short, character l...
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Casey

c++

c++20

string-view

toupper

tolower

Votes: 0

Answers: 2

Latest Answer

You can't in-place transform a std::string_view - what if it has been constructed from char const*? a lot of the usage ends up just passing in small, short, character literal sequences at compile-tim...
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passing_through

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