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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: file system lib for C
Date: Sun, 23 Dec 2018 13:39:06 -0800
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rbowman <bowman@montana.com> writes:
> On 12/23/2018 11:12 AM, Thiago Adams wrote:
>> bool create_directory( const std::filesystem::path& p, std::error_code& ec ) noexcept;
>>
>> I don't think error_code deserves a exactly copy
>> https://en.cppreference.com/w/cpp/error/error_code
>> because it is too complicated.
>>
>> Suggestions how to adapt this for C and contributions/critics
>> are welcome.
>>
>
> I'm not sure I understand your question but
>
> #include <errno.h>
> #include <string.h>
> ................
> if (mkdir(path, mode) == -1) {
>     fprintf(stderr, "mkdir failed: %s\n", strerror(errno));
>     /* do whatever error recovery you need */
> }

mkdir() requires `#include <sys/stat.h>`, which is POSIX-specific and
not part of the C standard.  C++'s std::filesystem (new in C++17) is, I
think, intended to be more general.

[...]

-- 
Keith Thompson (The_Other_Keith) kst@mib.org  <http://www.ghoti.net/~kst>
Will write code for food.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"