#if INTERFACE
/*
** Values for the scanFlags parameter to vfile_scan().
*/
#define SCAN_ALL    0x001    /* Includes files that begin with "." */
#define SCAN_TEMP   0x002    /* Only Fossil-generated files like *-baseline */
#define SCAN_NESTED 0x004    /* Scan for empty dirs in nested checkouts */
#endif /* INTERFACE */

/*
** Load into table SFILE the name of every ordinary file in
** the directory pPath.   Omit the first nPrefix characters of
** of pPath when inserting into the SFILE table.
**
** Subdirectories are scanned recursively.
** Omit files named in VFILE.
**
** Files whose names begin with "." are omitted unless the SCAN_ALL
** flag is set.
**
** Any files or directories that match the glob patterns pIgnore*
** are excluded from the scan.  Name matching occurs after the
** first nPrefix characters are elided from the filename.
*/
void vfile_scan(
  Blob *pPath,           /* Directory to be scanned */
  int nPrefix,           /* Number of bytes in directory name */
  unsigned scanFlags,    /* Zero or more SCAN_xxx flags */
  Glob *pIgnore          /* Do not add files that match this GLOB */
){
  DIR *d;
  int origSize;

  struct dirent *pEntry;
  int skipAll = 0;
  static Stmt ins;
  static int depth = 0;
  void *zNative;

  origSize = blob_size(pPath);

       "INSERT OR IGNORE INTO sfile(x) SELECT :file"
       "  WHERE NOT EXISTS(SELECT 1 FROM vfile WHERE"
       " pathname=:file %s)", filename_collation()
    );
  }
  depth++;


  zNative = fossil_utf8_to_filename(blob_str(pPath));
  d = opendir(zNative);
  if( d ){
    while( (pEntry=readdir(d))!=0 ){
      char *zPath;
      char *zUtf8;
      if( pEntry->d_name[0]=='.' ){
        if( (scanFlags & SCAN_ALL)==0 ) continue;

  fossil_filename_free(zNative);

  depth--;
  if( depth==0 ){
    db_finalize(&ins);
  }
}

/*
** Scans the specified base directory for any directories within it, while
** keeping a count of how many files they each contains, either directly or
** indirectly.
**
** Subdirectories are scanned recursively.
** Omit files named in VFILE.
**
** Directories whose names begin with "." are omitted unless the SCAN_ALL
** flag is set.
**
** Any directories that match the glob patterns pIgnore* are excluded from
** the scan.  Name matching occurs after the first nPrefix characters are
** elided from the filename.
**
** Returns the total number of files found.
*/
int vfile_dir_scan(
  Blob *pPath,           /* Base directory to be scanned */
  int nPrefix,           /* Number of bytes in base directory name */
  unsigned scanFlags,    /* Zero or more SCAN_xxx flags */
  Glob *pIgnore1,        /* Do not add directories that match this GLOB */
  Glob *pIgnore2,        /* Omit directories matching this GLOB too */
  Glob *pIgnore3         /* Omit directories matching this GLOB too */
){
  int result = 0;
  DIR *d;
  int origSize;
  struct dirent *pEntry;
  int skipAll = 0;
  static Stmt ins;
  static Stmt upd;
  static int depth = 0;
  void *zNative;

  origSize = blob_size(pPath);
  if( pIgnore1 || pIgnore2 || pIgnore3 ){
    blob_appendf(pPath, "/");
    if( glob_match(pIgnore1, &blob_str(pPath)[nPrefix+1]) ) skipAll = 1;
    if( glob_match(pIgnore2, &blob_str(pPath)[nPrefix+1]) ) skipAll = 1;
    if( glob_match(pIgnore3, &blob_str(pPath)[nPrefix+1]) ) skipAll = 1;
    blob_resize(pPath, origSize);
  }
  if( skipAll ) return result;

  if( depth==0 ){
    db_multi_exec("DROP TABLE IF EXISTS dscan_temp;"
                  "CREATE TEMP TABLE dscan_temp("
                  "  x TEXT PRIMARY KEY %s, y INTEGER)",
                  filename_collation());
    db_prepare(&ins,
       "INSERT OR IGNORE INTO dscan_temp(x, y) SELECT :file, :count"
       "  WHERE NOT EXISTS(SELECT 1 FROM vfile WHERE"
       " pathname GLOB :file || '/*' %s)", filename_collation()
    );
    db_prepare(&upd,
       "UPDATE OR IGNORE dscan_temp SET y = coalesce(y, 0) + 1"
       "  WHERE x=:file %s",
       filename_collation()
    );
  }
  depth++;

  zNative = fossil_utf8_to_filename(blob_str(pPath));
  d = opendir(zNative);
  if( d ){
    while( (pEntry=readdir(d))!=0 ){
      char *zOrigPath;
      char *zPath;
      char *zUtf8;
      if( pEntry->d_name[0]=='.' ){
        if( (scanFlags & SCAN_ALL)==0 ) continue;
        if( pEntry->d_name[1]==0 ) continue;
        if( pEntry->d_name[1]=='.' && pEntry->d_name[2]==0 ) continue;
      }
      zOrigPath = mprintf("%s", blob_str(pPath));
      zUtf8 = fossil_filename_to_utf8(pEntry->d_name);
      blob_appendf(pPath, "/%s", zUtf8);
      zPath = blob_str(pPath);
      if( glob_match(pIgnore1, &zPath[nPrefix+1]) ||
          glob_match(pIgnore2, &zPath[nPrefix+1]) ||
          glob_match(pIgnore3, &zPath[nPrefix+1]) ){
        /* do nothing */
      }else if( file_wd_isdir(zPath)==1 ){
        if( (scanFlags & SCAN_NESTED) || !vfile_top_of_checkout(zPath) ){
          char *zSavePath = mprintf("%s", zPath);
          int count = vfile_dir_scan(pPath, nPrefix, scanFlags, pIgnore1,
                                     pIgnore2, pIgnore3);
          db_bind_text(&ins, ":file", &zSavePath[nPrefix+1]);
          db_bind_int(&ins, ":count", count);
          db_step(&ins);
          db_reset(&ins);
          fossil_free(zSavePath);
          result += count; /* found X normal files? */
        }
      }else if( file_wd_isfile_or_link(zPath) ){
        db_bind_text(&upd, ":file", zOrigPath);
        db_step(&upd);
        db_reset(&upd);
        result++; /* found 1 normal file */
      }
      fossil_filename_free(zUtf8);
      blob_resize(pPath, origSize);
      fossil_free(zOrigPath);
    }
    closedir(d);
  }
  fossil_filename_free(zNative);

  depth--;
  if( depth==0 ){
    db_finalize(&upd);
    db_finalize(&ins);
  }
  return result;
}

/*
** Compute an aggregate MD5 checksum over the disk image of every
** file in vid.  The file names are part of the checksum.  The resulting
** checksum is the same as is expected on the R-card of a manifest.
**
** This function operates differently if the Global.aCommitFile