test.c

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//#include <windows.h>
#include <stdio.h>
#include <stdlib.h>

void pgwin32_open(const char *fileName, int fileFlags,...)
{

	HANDLE		h;
	SECURITY_ATTRIBUTES sa;

	sa.nLength = sizeof(sa);
	sa.bInheritHandle = TRUE;
	sa.lpSecurityDescriptor = NULL;
	
	h = CreateFile(fileName,
						   GENERIC_READ,
	/* These flags allow concurrent rename/unlink */
						   (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE),
						   &sa,
						   OPEN_EXISTING,
						   FILE_ATTRIBUTE_NORMAL ,
						   NULL);

	if (h == INVALID_HANDLE_VALUE)
	{
		printf("File could not be opened. Error %d\n", GetLastError());
		exit(1);
	}

	/* CloseHandle(h); */


	if (_unlink(fileName) != 0)
	{
		printf("File could not be deleted. Error %d\n", GetLastError());
		exit(1);
	}
}

int main(void)
{
	pgwin32_open("c:/temp/amit/file", 0 /* O_RDONLY | PG_BINARY */);
}