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unclear include order in C headers #771

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nnrepos opened this issue Apr 30, 2023 · 0 comments
Open

unclear include order in C headers #771

nnrepos opened this issue Apr 30, 2023 · 0 comments
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lang:cpp The C++ language

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@nnrepos
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nnrepos commented Apr 30, 2023

C system headers (more precisely: headers in angle brackets with the .h extension), e.g., <unistd.h>, <stdlib.h>.
the clarification actually makes things worse - any file can be included via angle brackets, all they do is tell the compiler to search in some predefined path, rather than the local directory.

if i have the following files:

root/
  hello.h
  nice/
    bye.h

then, within root/nice/bye.h, the order of the following lines is not clear:

// bye.h copyright: me.

#include <unistd.h>
#include <../hello.h>
#include <map>

on one hand, hello.h is within angle brackets. on the other hand, it's another library's / my project's .h file.

please help :)

@vapier vapier added the lang:cpp The C++ language label Jul 8, 2024
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