Mercurial > hg > nginx
view src/os/win32/ngx_errno.c @ 9314:32a5186a2705
Win32: improved MinGW/MinGW-w64 GCC checks.
Previously, __GNUC__ was checked, which is now replaced with __MINGW32__
checks. The difference is that __MINGW32__ is defined when using MinGW
(or MinGW-w64) header files regardless of the compiler being used. And,
more importantly, it is not defined when Clang is being used (which
pretends to be GCC by default) with Windows SDK header files.
With this change, it is now possible to compile nginx with native Clang
on Windows. This current requires --with-ld-opt="-lkernel32 -luser32"
though, since native Clang on Windows uses MSVC linker, which does
not link kernel32.lib and user32.lib automatically.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Wed, 07 Aug 2024 03:56:59 +0300 |
parents | 746567d633ac |
children |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #include <ngx_config.h> #include <ngx_core.h> u_char * ngx_strerror(ngx_err_t err, u_char *errstr, size_t size) { u_int len; static u_long lang = MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US); if (size == 0) { return errstr; } len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, err, lang, (char *) errstr, size, NULL); if (len == 0 && lang) { /* * Try to use English messages first and fallback to a language, * based on locale: non-English Windows have no English messages * at all. This way allows to use English messages at least on * Windows with MUI. */ lang = 0; len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, err, lang, (char *) errstr, size, NULL); } if (len == 0) { return ngx_snprintf(errstr, size, "FormatMessage() error:(%d)", GetLastError()); } /* remove ".\r\n\0" */ while (errstr[len] == '\0' || errstr[len] == CR || errstr[len] == LF || errstr[len] == '.') { --len; } return &errstr[++len]; } ngx_int_t ngx_strerror_init(void) { return NGX_OK; }