diff options
| author | fanquake <fanquake@gmail.com> | 2022-06-28 17:37:32 +0100 |
|---|---|---|
| committer | fanquake <fanquake@gmail.com> | 2022-07-20 13:10:12 +0100 |
| commit | 3be7ee750fd0d31d6e995140025e0d18e6aa788e (patch) | |
| tree | ee3521b6c7ce56160096cb3d81713b2817a9994e | |
| parent | 3f1d2fb035bf6413c33847326ac5938802cd5860 (diff) | |
compat: document error-code mapping
See:
https://docs.microsoft.com/en-us/windows/win32/winsock/windows-sockets-error-codes-2
| -rw-r--r-- | src/compat/compat.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/compat/compat.h b/src/compat/compat.h index 633aa6f3b5..670da9a631 100644 --- a/src/compat/compat.h +++ b/src/compat/compat.h @@ -37,9 +37,12 @@ #include <unistd.h> #endif +// We map Linux / BSD error functions and codes, to the equivalent +// Windows definitions, and use the WSA* names throughout our code. +// Note that glibc defines EWOULDBLOCK as EAGAIN (see errno.h). #ifndef WIN32 typedef unsigned int SOCKET; -#include <errno.h> +#include <cerrno> #define WSAGetLastError() errno #define WSAEINVAL EINVAL #define WSAEWOULDBLOCK EWOULDBLOCK @@ -51,14 +54,13 @@ typedef unsigned int SOCKET; #define INVALID_SOCKET (SOCKET)(~0) #define SOCKET_ERROR -1 #else -#ifndef WSAEAGAIN +// WSAEAGAIN doesn't exist on Windows #ifdef EAGAIN #define WSAEAGAIN EAGAIN #else #define WSAEAGAIN WSAEWOULDBLOCK #endif #endif -#endif // Windows doesn't define S_IRUSR or S_IWUSR. We define both // here, with the same values as glibc (see stat.h). |