mirror of
https://github.com/NixOS/nix
synced 2025-06-24 22:11:15 +02:00
8433027e35
At this point many features are stripped out, but this works:
- Can run libnix{util,store,expr} unit tests
- Can run some Nix commands
Co-Authored-By volth <volth@volth.com>
Co-Authored-By Brian McKenna <brian@brianmckenna.org>
31 lines
1 KiB
C++
31 lines
1 KiB
C++
#include "windows-error.hh"
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#include <error.h>
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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namespace nix {
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std::string WinError::renderError(DWORD lastError)
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{
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LPSTR errorText = NULL;
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FormatMessageA( FORMAT_MESSAGE_FROM_SYSTEM // use system message tables to retrieve error text
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|FORMAT_MESSAGE_ALLOCATE_BUFFER // allocate buffer on local heap for error text
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|FORMAT_MESSAGE_IGNORE_INSERTS, // Important! will fail otherwise, since we're not (and CANNOT) pass insertion parameters
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NULL, // unused with FORMAT_MESSAGE_FROM_SYSTEM
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lastError,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPTSTR)&errorText, // output
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0, // minimum size for output buffer
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NULL); // arguments - see note
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if (NULL != errorText ) {
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std::string s2 { errorText };
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LocalFree(errorText);
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return s2;
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}
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return fmt("CODE=%d", lastError);
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}
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}
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