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Remove dead code in win32.h.

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There's no longer a need for the MSVC-version-specific code stanza that
forcibly redefines errno code symbols, because since commit 73838b52 we're
unconditionally redefining them in the stanza before this one anyway.
Now it's merely confusing and ugly, so get rid of it; and improve the
comment that explains what's going on here.

Although this is just cosmetic, back-patch anyway since I'm intending
to back-patch some less-cosmetic changes in this same hunk of code.
This commit is contained in:
Tom Lane
2016-04-21 16:16:19 -04:00
parent b2bb59bd51
commit 5b13ad976a
1 changed files with 8 additions and 1 deletions
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9
src/include/port/win32.h
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@ -259,11 +259,18 @@ typedef int pid_t;
/* /*
* Supplement to <errno.h>. * Supplement to <errno.h>.
*
* We redefine network-related Berkeley error symbols as the corresponding WSA
* constants. This allows elog.c to recognize them as being in the Winsock
* error code range and pass them off to pgwin32_socket_strerror(), since
* Windows' version of plain strerror() won't cope. Note that this will break
* if these names are used for anything else besides Windows Sockets errors.
* See TranslateSocketError() when changing this list.
*/ */
#undef EAGAIN #undef EAGAIN
#define EAGAIN WSAEWOULDBLOCK
#undef EINTR #undef EINTR
#define EINTR WSAEINTR #define EINTR WSAEINTR
#define EAGAIN WSAEWOULDBLOCK
#undef EMSGSIZE #undef EMSGSIZE
#define EMSGSIZE WSAEMSGSIZE #define EMSGSIZE WSAEMSGSIZE
#undef EAFNOSUPPORT #undef EAFNOSUPPORT