postgresql/src/port/win32gai_strerror.c

46 lines
1.1 KiB
C

/*-------------------------------------------------------------------------
*
* win32gai_strerror.c
* Thread-safe gai_strerror() for Windows.
*
* Portions Copyright (c) 2024, PostgreSQL Global Development Group
*
* IDENTIFICATION
* src/port/win32gai_strerror.c
*
*-------------------------------------------------------------------------
*/
#include <sys/socket.h>
/*
* Windows has gai_strerrorA(), but it is not thread-safe so we avoid it.
*
* https://learn.microsoft.com/en-us/windows/win32/api/ws2tcpip/nf-ws2tcpip-gai_strerrora
*/
const char *
gai_strerror(int errcode)
{
switch (errcode)
{
case EAI_AGAIN:
return "Temporary failure in name resolution";
case EAI_BADFLAGS:
return "Bad value for ai_flags";
case EAI_FAIL:
return "Non-recoverable failure in name resolution";
case EAI_FAMILY:
return "ai_family not supported";
case EAI_MEMORY:
return "Memory allocation failure";
case EAI_NONAME:
return "Name or service not known";
case EAI_SERVICE:
return "Servname not supported for ai_socktype";
case EAI_SOCKTYPE:
return "ai_socktype not supported";
default:
return "Unknown server error";
}
}