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/* app3.c
   Stick two directories and a file name together.  */

#include "uucp.h"

#include "uudefs.h"
#include "sysdep.h"

char *
zsappend3 (zdir1, zdir2, zfile)
     const char *zdir1;
     const char *zdir2;
     const char *zfile;
{
  size_t cdir1, cdir2, cfile;
  char *zret;

  cdir1 = strlen (zdir1);
  cdir2 = strlen (zdir2);
  cfile = strlen (zfile);
  zret = zbufalc (cdir1 + cdir2 + cfile + 3);
  memcpy (zret, zdir1, cdir1);
  memcpy (zret + cdir1 + 1, zdir2, cdir2);
  memcpy (zret + cdir1 + cdir2 + 2, zfile, cfile);
  zret[cdir1] = '/';
  zret[cdir1 + cdir2 + 1] = '/';
  zret[cdir1 + cdir2 + cfile +  2] = '\0';
  return zret;
}

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