src/port/link.c

   1 /*-------------------------------------------------------------------------
   2  *
   3  * link.c
   4  *
   5  * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
   6  * Portions Copyright (c) 1994, Regents of the University of California
   7  *
   8  *
   9  * IDENTIFICATION
  10  *        src/port/link.c
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14
  15 #include "c.h"
  16
  17 #ifdef WIN32
  18
  19 int
  20 link(const char *src, const char *dst)
  21 {
  22         /*
  23          * CreateHardLinkA returns zero for failure
  24          * https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-createhardlinka
  25          */
  26         if (CreateHardLinkA(dst, src, NULL) == 0)
  27         {
  28                 _dosmaperr(GetLastError());
  29                 return -1;
  30         }
  31         else
  32                 return 0;
  33 }
  34
  35 #endif