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@ -318,6 +318,8 @@ B mmap_file(B path) {
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thrM("failed to mmap file");
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thrM("failed to mmap file");
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}
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}
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#else
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#else
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// see https://learn.microsoft.com/en-us/windows/win32/memory/creating-a-view-within-a-file
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HANDLE hFile = CreateFileA(
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HANDLE hFile = CreateFileA(
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p, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, NULL,
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p, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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@ -1,11 +1,13 @@
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#include <windows.h>
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#include <windows.h>
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// memory is allocated and should be freed with LocalFree()
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// for now this memory is leaked
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static char* winErrorEx(DWORD dwError) {
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static char* winErrorEx(DWORD dwError) {
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char* buffer = NULL;
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char* buffer = NULL;
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DWORD dwFlags = FORMAT_MESSAGE_MAX_WIDTH_MASK
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DWORD dwFlags = FORMAT_MESSAGE_MAX_WIDTH_MASK // no newlines
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| FORMAT_MESSAGE_ALLOCATE_BUFFER
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| FORMAT_MESSAGE_ALLOCATE_BUFFER // allocate memory
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| FORMAT_MESSAGE_FROM_SYSTEM
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| FORMAT_MESSAGE_FROM_SYSTEM // get error message
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| FORMAT_MESSAGE_IGNORE_INSERTS;
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| FORMAT_MESSAGE_IGNORE_INSERTS; // no argument (NULL)
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DWORD dwResult = FormatMessageA(dwFlags, NULL, dwError, 0, (LPSTR)&buffer, 0, NULL);
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DWORD dwResult = FormatMessageA(dwFlags, NULL, dwError, 0, (LPSTR)&buffer, 0, NULL);
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if (dwResult==0 || buffer==NULL) {
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if (dwResult==0 || buffer==NULL) {
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fatal("Failed to get error message from FormatMessageA()");
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fatal("Failed to get error message from FormatMessageA()");
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