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/*
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/*
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 * This file is part of fdnpkg
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 * This file is part of pkginst
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 * Copyright (C) 2012-2017 Mateusz Viste
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 * Copyright (C) 2012-2021 Mateusz Viste
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 *
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 *
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 * It contains a few helper function...
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 * It contains a few helper function...
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 */
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 */
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    }
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    }
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  }
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  }
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}
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}
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/* remap drive, if needed (hack for situations where fdinst is used to
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 * install an OS to a drive that will change its letter post-install) */
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void mapdrives(char *s, char *mapdrv) {
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  int i = 0;
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  if (mapdrv == NULL) return;
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  if ((s == NULL) || (s[0] == 0) || (s[1] != ':')) return;
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  while (mapdrv[i] != 0) {
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    if (toupper(mapdrv[i]) == toupper(s[0])) {
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      s[0] = toupper(mapdrv[i + 1]);
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      return;
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    }
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    i += 2;
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  }
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}
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/* */
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void unmapdrives(char *s, char *mapdrv) {
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  int i = 0;
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  if (mapdrv == NULL) return;
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  if ((s == NULL) || (s[0] == 0) || (s[1] != ':')) return;
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  while (mapdrv[i] != 0) {
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    if (toupper(mapdrv[i + 1]) == toupper(s[0])) {
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      s[0] = toupper(mapdrv[i]);
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      return;
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    }
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    i += 2;
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  }
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}
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/* returns a pointer to the start of the filename, out of a path\to\file string, and
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/* returns a pointer to the start of the filename, out of a path\to\file string, and
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   fills respath with the local folder where the file should be placed. */
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   fills respath with the local folder where the file should be placed. */
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char *computelocalpath(char *longfilename, char *respath, char *dosdir, struct customdirs *dirlist) {
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char *computelocalpath(char *longfilename, char *respath, char *dosdir, struct customdirs *dirlist) {
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  int x, lastsep = 0, firstsep = -1;
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  int x, lastsep = 0, firstsep = -1;
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  char savedchar;
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  char savedchar;