printing UTF-8 yields different output [duplicate]

Question

The objective is to print Uni Würzburg using C++

The code I am using:

#include <stdio.h> using namespace std; int main() { char str0[21] = "Uni Würzburg"; printf("%s\n", str0); char str1[21] = {85,110,105,32,87,'\xc3','\xbc',114,122,98,117,114,103, 0}; printf("%s\n", str1); char str2[20] = "Uni W\x81rzburg"; printf("%s\n", str2); char str3[20] = {85,110,105,32,87,'\x81',114,122,98,117,114,103, 0}; printf("%s\n", str3); return 0; }

I got the \xc3bc from creating a "ü" string and printing the characters.

Output on two different Macs (using both CLion and in bash using g++ test.c -o test):

Uni Würzburg Uni Würzburg Uni W�rzburg Uni W�rzburg

Output on Windows (CLion):

Uni W├╝rzburg Uni W├╝rzburg Uni Würzburg Uni Würzburg

CLion editor and project encodings are in all cases set to UTF-8 and the locale of bash is:

LANG="en_US.UTF-8" LC_COLLATE="en_US.UTF-8" LC_CTYPE="en_US.UTF-8" LC_MESSAGES="en_US.UTF-8" LC_MONETARY="en_US.UTF-8" LC_NUMERIC="en_US.UTF-8" LC_TIME="en_US.UTF-8" LC_ALL=

Why is this happening? Most importantly: What would be a platform independent solution?

Here is the answer you are looking for: stackoverflow.com/a/402918/5470596 — YSC
– YSC, Commented Nov 28, 2017 at 11:57

Douman Ashiya · Accepted Answer · 2017-11-28 11:45:20Z

There unicode literals that can be used to ensure that your string is encoded as UTF-8:

u8"my_string"

On Linux these your normal strings will be already UTF-8.

On Windows it is really depending on your codpeage. And you may also supply additional compiler flag: /source-charset:utf-8

Note that even if your strings are encoded as UTF-8, cout, on Windows, that prints to console with non-unicode codepage will get you wrong output.

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