PostgreSQL Source Code: src/port/win32gai_strerror.c Source File

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win32gai_strerror.c
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1/*-------------------------------------------------------------------------
2 *
3 * win32gai_strerror.c
4 * Thread-safe gai_strerror() for Windows.
5 *
6 * Portions Copyright (c) 2024-2025, PostgreSQL Global Development Group
7 *
8 * IDENTIFICATION
9 * src/port/win32gai_strerror.c
10 *
11 *-------------------------------------------------------------------------
12 */
13
14#include <sys/socket.h>
15
16/*
17 * Windows has gai_strerrorA(), but it is not thread-safe so we avoid it.
18 *
19 * https://learn.microsoft.com/en-us/windows/win32/api/ws2tcpip/nf-ws2tcpip-gai_strerrora
20 */
21const char *
22 gai_strerror(int errcode)
23{
24 switch (errcode)
25 {
26 case EAI_AGAIN:
27 return "Temporary failure in name resolution";
28 case EAI_BADFLAGS:
29 return "Bad value for ai_flags";
30 case EAI_FAIL:
31 return "Non-recoverable failure in name resolution";
32 case EAI_FAMILY:
33 return "ai_family not supported";
34 case EAI_MEMORY:
35 return "Memory allocation failure";
36 case EAI_NONAME:
37 return "Name or service not known";
38 case EAI_SERVICE:
39 return "Servname not supported for ai_socktype";
40 case EAI_SOCKTYPE:
41 return "ai_socktype not supported";
42 default:
43 return "Unknown server error";
44 }
45}
int errcode(int sqlerrcode)
Definition: elog.c:854
const char * gai_strerror(int errcode)

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