Skip to content

Detect if afunix.h exists #2145

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 24, 2025
+7 −0
Merged

Detect if afunix.h exists #2145

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 7 additions & 0 deletions httplib.h
View file
Original file line number Diff line number Diff line change
@@ -192,8 +192,13 @@ using ssize_t = long;
#include <winsock2.h>
#include <ws2tcpip.h>

#if defined(__has_include)
#if __has_include(<afunix.h>)
Copy link
Owner

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

@p1-0tr this is not compatible with C++11.

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I know it only got standardised as of c++17, but has been supported by all major compilers before that. I've added an additional check that should protect against errors on compilers that do not support that macro.

// afunix.h uses types declared in winsock2.h, so has to be included after it.
#include <afunix.h>
#define CPPHTTPLIB_HAVE_AFUNIX_H 1
#endif
#endif

#ifndef WSA_FLAG_NO_HANDLE_INHERIT
#define WSA_FLAG_NO_HANDLE_INHERIT 0x80
@@ -3551,6 +3556,7 @@ socket_t create_socket(const std::string &host, const std::string &ip, int port,
hints.ai_flags = socket_flags;
}

#if !defined(_WIN32) || defined(CPPHTTPLIB_HAVE_AFUNIX_H)
if (hints.ai_family == AF_UNIX) {
const auto addrlen = host.length();
if (addrlen > sizeof(sockaddr_un::sun_path)) { return INVALID_SOCKET; }
@@ -3595,6 +3601,7 @@ socket_t create_socket(const std::string &host, const std::string &ip, int port,
}
return sock;
}
#endif

auto service = std::to_string(port);