win32link.c

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/*-------------------------------------------------------------------------
 *
 * win32link.c
 *
 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 *
 * IDENTIFICATION
 *    src/port/win32link.c
 *
 *-------------------------------------------------------------------------
 */
 
#include "c.h"
 
int
link(const char *src, const char *dst)
{
    /*
     * CreateHardLinkA returns zero for failure
     * https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-createhardlinka
     */
    if (CreateHardLinkA(dst, src, NULL) == 0)
    {
        _dosmaperr(GetLastError());
        return -1;
    }
    else
        return 0;
}