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util.c

/***************************************************************************
 *
 * $Header: /usr/local/cvsroot/utils/ytree/util.c,v 1.31 2004/11/13 21:08:05 werner Exp $
 *
 * Diverse Hilfsfunktionen
 *
 ***************************************************************************/


#include "ytree.h"
#include "xmalloc.h"


typedef struct
{
  char *extension;
  int  method;
} Extension2Method;



static Extension2Method file_extensions[] = FILE_EXTENSIONS;
static char *GNU_getcwd(void);


char *GetPath(DirEntry *dir_entry, char *buffer)
{
  DirEntry *de_ptr;
  char     help_buffer[PATH_LENGTH + 1];

  *buffer = '\0';

  for( de_ptr = dir_entry; de_ptr; de_ptr = de_ptr->up_tree )
  {
    *help_buffer = '\0';
    if( de_ptr->up_tree ) (void) strcat( help_buffer, FILE_SEPARATOR_STRING );
    if( strcmp( de_ptr->name, FILE_SEPARATOR_STRING ) )
      (void) strcat( help_buffer, de_ptr->name );
    (void) strcat( help_buffer, buffer );
    (void) strcpy( buffer, help_buffer );
  }

  /* if( *buffer == '\0' ) (void) strcpy( buffer, FILE_SEPARATOR_STRING ); */

  return( buffer );
}





char *GetFileNamePath(FileEntry *file_entry, char *buffer)
{
  (void) GetPath( file_entry->dir_entry, buffer );
  if( *buffer && strcmp( buffer, FILE_SEPARATOR_STRING ) ) 
    (void) strcat( buffer, FILE_SEPARATOR_STRING );
  return( strcat( buffer, file_entry->name ) );
}



char *GetRealFileNamePath(FileEntry *file_entry, char *buffer)
{
  char *sym_name;

  if( mode == DISK_MODE || mode == USER_MODE )
    return( GetFileNamePath( file_entry, buffer ) );

  if( S_ISLNK( file_entry->stat_struct.st_mode ) )
  {
    sym_name = &file_entry->name[ strlen( file_entry->name ) + 1 ];
    if( *sym_name == FILE_SEPARATOR_CHAR )
      return( strcpy( buffer, sym_name ) );
  }
  
  (void) GetPath( file_entry->dir_entry, buffer );
  if( *buffer && strcmp( buffer, FILE_SEPARATOR_STRING ) ) 
    (void) strcat( buffer, FILE_SEPARATOR_STRING );
  if( S_ISLNK( file_entry->stat_struct.st_mode ) )
    return( strcat( buffer, &file_entry->name[ strlen( file_entry->name ) + 1 ] ) );
  else
    return( strcat( buffer, file_entry->name ) );
}






int GetDirEntry(DirEntry *tree, 
                DirEntry *current_dir_entry, 
                char *dir_path, 
                DirEntry **dir_entry, 
                char *to_path
             )
{
  char dest_path[PATH_LENGTH+1];
  char current_path[PATH_LENGTH+1];
  char help_path[PATH_LENGTH+1];
  char *token, *old;
  DirEntry *de_ptr, *sde_ptr;
  int n;

  *dir_entry = NULL;
  *to_path   = '\0';

   strcpy(to_path, dir_path);
  if( Getcwd( current_path, sizeof( current_path ) - 2 ) == NULL )
  {
    (void) sprintf( message, "Getcwd failed*%s", strerror(errno) );
    ERROR_MSG( message );
    return( -1 );
  }

  if( *dir_path != FILE_SEPARATOR_CHAR ) 
  {
    if( chdir( GetPath( current_dir_entry, help_path ) ) )
    {
      ERROR_MSG( "Chdir Failed" );
      return( -1 );
    }
  }

  if( chdir( dir_path ) )
  {
#ifdef DEBUG
    (void) sprintf( message, "Invalid Path!*\"%s\"", dir_path );
    MESSAGE( message );
#endif
    return( -3 );
  }

  if( *dir_path != FILE_SEPARATOR_CHAR ) {
    (void) Getcwd( dest_path, sizeof( dest_path ) - 2 );
    (void) strcpy( to_path, dest_path );
  } else {
    strcpy(dest_path, dir_path);
  }


  if( chdir( current_path ) )
  {
    ERROR_MSG( "Chdir failed; Can't resume" );
    return( -1 );
  }

  n = strlen( tree->name );
  if( !strcmp(tree->name, FILE_SEPARATOR_STRING) || 
      (!strncmp( tree->name, dest_path, n )     &&
        ( dest_path[n] == FILE_SEPARATOR_CHAR || dest_path[n] == '\0' ) ) )
  {
    /* Pfad befindet sich im (Sub)-Tree */
    /*----------------------------------*/

    de_ptr = tree;
    token = Strtok_r( &dest_path[n], FILE_SEPARATOR_STRING, &old );
    while( token )
    {
      for( sde_ptr = de_ptr->sub_tree; sde_ptr; sde_ptr = sde_ptr->next )
      {
        if( !strcmp( sde_ptr->name, token ) )
      {
        /* Subtree gefunden */
        /*------------------*/

        de_ptr = sde_ptr;
        break;
      }
      }
      if( sde_ptr == NULL )
      {
#ifdef DEBUG
      (void) sprintf( message, "Can't find directory; token=%s", token );
      ERROR_MSG( message );
#endif
      return( -3 );
      }
      token = Strtok_r( NULL, FILE_SEPARATOR_STRING, &old );
    }
    *dir_entry = de_ptr;
  }
  return( 0 );
}




int GetFileEntry(DirEntry *de_ptr, char *file_name, FileEntry **file_entry)
{
  FileEntry *fe_ptr;

  *file_entry = NULL;

  for( fe_ptr = de_ptr->file; fe_ptr; fe_ptr = fe_ptr->next )
  {
    if( !strcmp( fe_ptr->name, file_name ) )
    {
      /* Eintrag gefunden */
      /*------------------*/

      *file_entry = fe_ptr;
      break;
    }
  }
  return( 0 );
}





char *GetAttributes(unsigned short modus, char *buffer)
{
  char *save_buffer = buffer;

       if( S_ISREG( modus ) )  *buffer++ = '-';
  else if( S_ISDIR( modus ) )  *buffer++ = 'd';
  else if( S_ISCHR( modus ) )  *buffer++ = 'c';
  else if( S_ISBLK( modus ) )  *buffer++ = 'b';
  else if( S_ISFIFO( modus ) ) *buffer++ = 'p';
  else if( S_ISLNK( modus ) )  *buffer++ = 'l';
  else if( S_ISSOCK( modus ) ) *buffer++ = 's';  /* ??? */
  else                         *buffer++ = '?';  /* unknown */

  if( modus & S_IRUSR ) *buffer++ = 'r';
  else *buffer++ = '-';

  if( modus & S_IWUSR ) *buffer++ = 'w';
  else *buffer++ = '-';
    
  if( modus & S_IXUSR ) *buffer++ = 'x';
  else *buffer++ = '-';
    
  if( modus & S_ISUID ) *(buffer - 1) = 's';
    

  if( modus & S_IRGRP ) *buffer++ = 'r';
  else *buffer++ = '-';

  if( modus & S_IWGRP ) *buffer++ = 'w';
  else *buffer++ = '-';
    
  if( modus & S_IXGRP ) *buffer++ = 'x';
  else *buffer++ = '-';
    
  if( modus & S_ISGID ) *(buffer - 1) = 's';


  if( modus & S_IROTH ) *buffer++ = 'r';
  else *buffer++ = '-';

  if( modus & S_IWOTH ) *buffer++ = 'w';
  else *buffer++ = '-';
    
  if( modus & S_IXOTH ) *buffer++ = 'x';
  else *buffer++ = '-';
    
  *buffer = '\0';

  return( save_buffer );
}



char *CTime(time_t f_time, char *buffer)
{
  char   *cptr;
  time_t now;

  if( (now = time( NULL )) == -1 )
  {
    ERROR_MSG( "time() failed" );
    exit( 1 );
  }

  cptr = ctime( &f_time );
  (void) strncpy( buffer, cptr+4, 12 );
  buffer[12] = '\0';

  if( (now - f_time) > 31536000L )
  {
    /* Differenz groesser als 1 Jahr */
    /*-------------------------------*/

    (void) strncpy( &buffer[7], cptr + 19, 5 );
    
  }

  return( buffer );
}

  


void PrintSpecialString(WINDOW *win, int y, int x, char *str, int color)
{
  int ch;

  if(x < 0 || y < 0) {
     /* screen too small */
    return;
  }

  wmove( win, y, x);

  for( ; *str; str++ )
  {
    if ( (!iscntrl(*str)) || (!isspace(*str)) || (*str=' ') ) 
    switch( *str )
    {
      case '1': ch = ACS_ULCORNER; break;
      case '2': ch = ACS_URCORNER; break;
      case '3': ch = ACS_LLCORNER; break;
      case '4': ch = ACS_LRCORNER; break;
      case '5': ch = ACS_TTEE;     break;
      case '6': ch = ACS_LTEE;     break;
      case '7': ch = ACS_RTEE;     break;
      case '8': ch = ACS_BTEE;     break;
      case '9': ch = ACS_LARROW;   break;
      case '|': ch = ACS_VLINE;    break;
      case '-': ch = ACS_HLINE;    break;
      default:  ch = PRINT(*str);
    }
    else
            ch = ACS_BLOCK;
#ifdef COLOR_SUPPORT
    wattrset( win, COLOR_PAIR(color) | A_BOLD );
#endif /* COLOR_SUPPORT */
    waddch( win, ch );
#ifdef COLOR_SUPPORT
    wattrset( win, 0 );
#endif /* COLOR_SUPPORT */
  }
}


void Print(WINDOW *win, int y, int x, char *str, int color)
{
 int ch;

  if(x < 0 || y < 0) {
     /* screen too small */
    return;
  }
  wmove(win, y, x);
  for( ; *str; str++ )
  {
    ch = PRINT((int) *str);
   
#ifdef COLOR_SUPPORT
    wattrset( win, COLOR_PAIR(color) | A_BOLD);
#else
    wattrset( win, color);
#endif
    waddch(win, ch );
    wattrset( win, 0);
  }
}


void PrintOptions(WINDOW *win, int y, int x, char *str)
{
  int ch;
  int color, hi_color, lo_color;

  if(x < 0 || y < 0) {
     /* screen too small */
    return;
  }

#ifdef COLOR_SUPPORT
     lo_color = MENU_COLOR;
     hi_color = HIMENUS_COLOR;
#else
     lo_color = A_NORMAL;
     hi_color = A_BOLD;
#endif
   
  color = lo_color;

  for( ; *str; str++ )
  {
    ch = (int) *str;
   
    switch( *str ) {
        case '(': color = hi_color;  continue;
      case ')': color = lo_color;  continue;

#ifdef COLOR_SUPPORT
      case ']': color = lo_color;  continue;
      case '[': color = hi_color;  continue;
#else
      case ']':
      case '[': /* ignore */ continue;
#endif

        case '1': ch = ACS_ULCORNER; break;
        case '2': ch = ACS_URCORNER; break;
        case '3': ch = ACS_LLCORNER; break;
        case '4': ch = ACS_LRCORNER; break;
        case '5': ch = ACS_TTEE;     break;
        case '6': ch = ACS_LTEE;     break;
        case '7': ch = ACS_RTEE;     break;
        case '8': ch = ACS_BTEE;     break;
        case '9': ch = ACS_LARROW;   break;
        case '|': ch = ACS_VLINE;    break;
        case '-': ch = ACS_HLINE;    break;
        default:  ch = PRINT(*str);
     }

#ifdef COLOR_SUPPORT
    wattrset( win, COLOR_PAIR(color) | A_BOLD);
#else
    wattrset( win, color);
#endif
     mvwaddch( win, y, x++, ch );
     wattrset( win, 0 );
   }
}


void PrintMenuOptions(WINDOW *win,int y, int x, char *str, int ncolor, int hcolor)
{
  int ch;
  int color, hi_color, lo_color;

  if(x < 0 || y < 0) {
     /* screen too small */
    return;
  }

#ifdef COLOR_SUPPORT
     lo_color = MENU_COLOR;
     hi_color = HIMENUS_COLOR;
#else
     lo_color = A_NORMAL;
     hi_color = A_REVERSE;
#endif
   
  color = lo_color;

  for( ; *str; str++ )
  {
    ch = (int) *str;
   
    switch( ch ) {
        case '(': color = hi_color;  continue;
      case ')': color = lo_color;  continue;

#ifdef COLOR_SUPPORT
      case ']': color = lo_color;  continue;
      case '[': color = hi_color;  continue;
#else
      case ']':
      case '[': /* ignore */ continue;
#endif
        default : ch = PRINT(*str);
    }

#ifdef COLOR_SUPPORT
    wattrset( win, COLOR_PAIR(color) | A_BOLD);
#else
    wattrset( win, color);
#endif
    mvwaddch(win, y, x++, ch );
    wattrset( win, 0 );
  }
}



/*****************************************************************************
 *                              FormFilename                                 *
 *****************************************************************************/

char *FormFilename(char *dest, char *src, unsigned int max_len)
{
  int i;
  int begin;
  unsigned int l;

  l = strlen(src);
  begin = 0;

  if( l <= max_len )
    return( strcpy( dest, src ) );
  else
  {
    for(i=0; i < (int) max_len - 4; i++)
      if( src[l - i] == FILE_SEPARATOR_CHAR || src[l - i] == '\\' )
        begin = l - i;
    (void) strcpy( dest, "/..." );
    return( strcat(dest, &src[begin] ) );
  }
}


/*****************************************************************************
 *                              CutFilename                                  *
 *****************************************************************************/

char *CutFilename(char *dest, char *src, unsigned int max_len)
{
  unsigned int l;

  l = strlen(src);

  if( l <= max_len )
    return( strcpy( dest, src ) );
  else
  {
    (void) strncpy( dest, src, max_len - 3 );
    (void) strcpy( &dest[max_len - 3], "..." );
    return( dest );
  }
}

/*****************************************************************************
 *                              CutPathname                                  *
 *****************************************************************************/

char *CutPathname(char *dest, char *src, unsigned int max_len)
{
  unsigned int l;

  l = strlen(src);

  if( l <= max_len )
    return( strcpy( dest, src ) );
  else
  {
    (void) strcpy( dest, "..." );
    (void) strncat( dest, &src[l - max_len + 3], max_len - 3 );
    return( dest );
  }
}


/*****************************************************************************
 *                                  Fnsplit                                  *
 *****************************************************************************/

/* Aufsplitten des Dateinamens in die einzelnen Komponenten */

void Fnsplit(char *path, char *dir, char *name)
{
  int  i;
  char *name_begin;
  char *trunc_name;

  while( *path == ' ' || *path == '\t' ) path++;

  while( strchr(path, FILE_SEPARATOR_CHAR ) || strchr(path, '\\') )
    *(dir++) = *(path++);

  *dir = '\0';
  
  name_begin = path;
  trunc_name = name;

  for(i=0; i < PATH_LENGTH && *path; i++ ) 
    *(name++) = *(path++);

  *name = '\0';

  if( i == PATH_LENGTH && *path )
  {
    (void) sprintf( message, "filename too long:*%s*truncating to*%s", 
                name_begin, trunc_name
              );
    WARNING( message );
  }
}



int BuildFilename( char *in_filename,
               char *pattern,
               char *out_filename
             )
{
  char *cptr;
  int  result = 0;


  for( ; *pattern; pattern++ )
  {
    if( *pattern == '*' )
    {
      cptr = in_filename;
      for( ; (*out_filename = *cptr); out_filename++, cptr++ );
    }
    else
    {
      *out_filename++ = *pattern;
    }
  }

  *out_filename = '\0';

  return( result );
}



int GetFileMethod( char *filename )
{
  int i, k, l;

  l = strlen( filename );

  for( i=0; 
       i < (int)(sizeof( file_extensions ) / sizeof( file_extensions[0] )); 
       i++ 
     )
  {
    k = strlen( file_extensions[i].extension );
    if( l >= k && !strcmp( &filename[l-k], file_extensions[i].extension ) )
      return( file_extensions[i].method );
  }

  return( NO_COMPRESS );
}



#ifdef __NeXT__

char *getcwd(char *dest, int len)
{
  static char  buffer[MAXNAMLEN];
  DIR    *dirp;
  struct direct  *dp;
  long   inode;
  char   *cp = buffer + MAXNAMLEN - 1;

  *cp = 0;

  do {
    dirp = opendir(".");
    for (dp=readdir(dirp); dp; dp=readdir(dirp)) {
      if(dp->d_namlen && !strcmp(dp->d_name,".")) {
        break;
      }
    }
    if (inode == dp->d_ino) break;
    inode = dp->d_ino;
    (void) closedir(dirp);
    dirp = opendir("..");
    for (dp=readdir(dirp); dp && (dp->d_ino != inode); dp=readdir(dirp));
    cp -= dp->d_namlen;
    (void) strncpy(cp,dp->d_name,dp->d_namlen);
    *--cp = FILE_SEPARATOR_CHAR;
    (void) closedir(dirp);
  } while(!chdir(".."));
  
  (void) chdir(cp+2);
  (void) strncpy(dest,cp+2,len);
}


#endif


void NormPath( char *in_path, char *out_path )
{
  char *s, *d;
  char *old, *opath;
  int  level;
  char *in_path_dup;

  level = 0;
  opath = out_path;

  if( ( in_path_dup = malloc( strlen( in_path ) + 1 ) ) == NULL ) {
    ERROR_MSG( "Malloc Failed*ABORT" );
    exit( 1 );
  }

  if( *in_path == FILE_SEPARATOR_CHAR ) {
    s = in_path + 1;
    *opath++ = FILE_SEPARATOR_CHAR;
  } else {
    s = in_path;
  }

  for( d=in_path_dup; *s; d++ ) {
    *d = *s++;
    while( *d == FILE_SEPARATOR_CHAR && *s == FILE_SEPARATOR_CHAR )
      s++;
  }
  *d = '\0';

  d = opath;
  s = Strtok_r( in_path_dup, FILE_SEPARATOR_STRING, &old );
  while( s ) {
    if( strcmp( s, "." ) ) {        /* skip "." */
      if( !strcmp( s, ".." ) ) {    /* optimize ".." */
        if( level > 0 ) {
          if( level == 1 ) {
          d = out_path;
        } else {
          for( d -= 2; *d != FILE_SEPARATOR_CHAR; d-- )
            ;
          d++;
        }
        } else {
          /* level <= 0 */
        *d++ = '.';
        *d++ = '.';
        *d++ = FILE_SEPARATOR_CHAR;
        }
        level--;
      } else {                      /* add component */
        strcpy( d, s );
        d += strlen( s );
        *d++ = FILE_SEPARATOR_CHAR;
        level++;
      }
    }
    s = Strtok_r( NULL, FILE_SEPARATOR_STRING, &old );
  }
  if( level != 0 )
    d--;
  *d = '\0';
  if( *out_path == '\0' )
    strcpy(out_path, "." );

  free( in_path_dup );
}



/* reentrantes strtok */
char *Strtok_r( char *str, char *delim, char **old )
{
  char *result;
  int  l, m;

  if( str == NULL ) 
    str = *old;

  if( str == NULL )
    return( NULL );

  l = strlen( str );
  if( ( result = strtok( str, delim ) ) != NULL ) {
    m = strlen( result );
    if( (m + 1) >= l)
      *old = NULL;
    else 
      *old = result + m + 1;
      
  } else 
    *old = NULL;

  return( result );
}




void GetMaxYX(WINDOW *win, int *height, int *width)
{
  if( win == dir_window )
  { 
    *height = MAXIMUM(DIR_WINDOW_HEIGHT, 1);
    *width  = MAXIMUM(DIR_WINDOW_WIDTH, 1);
  }
  else if( win == small_file_window )
  {
    *height = MAXIMUM(FILE_WINDOW_1_HEIGHT, 1);
    *width  = MAXIMUM(FILE_WINDOW_1_WIDTH, 1);
  }
  else if( win == big_file_window )
  {
    *height = MAXIMUM(FILE_WINDOW_2_HEIGHT, 1);
    *width  = MAXIMUM(FILE_WINDOW_2_WIDTH, 1);
  }
  else if( win == f2_window )
  {
    *height = MAXIMUM(F2_WINDOW_HEIGHT - 1, 1); /* fake for separator line */
    *width  = MAXIMUM(F2_WINDOW_WIDTH, 1);
  }
  else if( win == history_window )
  {
    *height = MAXIMUM(HISTORY_WINDOW_HEIGHT, 1);
    *width  = MAXIMUM(HISTORY_WINDOW_WIDTH, 1);
  }
  else
  {
    ERROR_MSG( "Unknown Window-ID*ABORT" );
    exit( 1 );
  }
}


int Strrcmp(char *s1, char* s2)/*compares in reverse order 2 strings*/
{
   int aux;
   int l1 = strlen(s1);
   int l2 = strlen(s2);

   for (aux = 0; aux <= l2; aux++)
   {
      if ((l1 - aux) < 0) 
      return(-1);
      if (s1[l1 - aux] > s2[l2 - aux])
         return(1);
      else if (s1[l1 - aux] < s2[l2 - aux])
         return(-1);
   }
   return(0);
}



/* NeXT does not define strdup */
char *Strdup(char *s)
{
  char *cp = NULL;

  if (s) {
    cp = malloc(strlen(s)+1);
    if (cp) strcpy(cp,s);
  }
  return(cp);
}


char *GetExtension(char *filename)
{
  char *cptr;

  cptr = strrchr(filename, '.');

  return( (cptr) ? cptr + 1 : "" );
}




void StrCp(char *dest, const char *src)
{
   static char esc_chars[] ="#*|&;()<> \t\n\r\"!$?'`~";

   while(*src)
   {
     if(strchr(esc_chars, *src))
       *dest++ = '\\';
     *dest++ = *src++;
   }
   *dest = '\0';
}




int BuildUserFileEntry(FileEntry *fe_ptr, 
                  int max_filename_len, int max_linkname_len, 
                  char *template, int linelen, char *line)
{
  char attributes[11];
  char modify_time[13];
  char change_time[13];
  char access_time[13];
  char format1[60];
  char format2[60];
  int  i, n;
  char owner[OWNER_NAME_MAX + 1];
  char group[GROUP_NAME_MAX + 1];
  char *owner_name_ptr;
  char *group_name_ptr;
  char *sym_link_name = NULL;
  char *sptr, *dptr;
  char tag;
  char buffer[4096]; /* enough??? */


  if( fe_ptr && S_ISLNK( fe_ptr->stat_struct.st_mode ) )
    sym_link_name = &fe_ptr->name[strlen(fe_ptr->name)+1];
  else
    sym_link_name = "";


  tag = (fe_ptr->tagged) ? TAGGED_SYMBOL : ' ';
  (void) GetAttributes( fe_ptr->stat_struct.st_mode, attributes);
                    
  (void) CTime( fe_ptr->stat_struct.st_mtime, modify_time );
  (void) CTime( fe_ptr->stat_struct.st_ctime, change_time );
  (void) CTime( fe_ptr->stat_struct.st_atime, access_time );
  
  owner_name_ptr = GetPasswdName(fe_ptr->stat_struct.st_uid);
  group_name_ptr = GetGroupName(fe_ptr->stat_struct.st_gid);

  if( owner_name_ptr == NULL )
  {
    (void) sprintf( owner, "%d", (int) fe_ptr->stat_struct.st_uid );
    owner_name_ptr = owner;
  }
  if( group_name_ptr == NULL )
  {
    (void) sprintf( group, "%d", (int) fe_ptr->stat_struct.st_gid );
    group_name_ptr = group;
  }


  sprintf(format1, "%%-%ds", max_filename_len);
  sprintf(format2, "%%-%ds", max_linkname_len);

  for(sptr=template, dptr=buffer, i=0; *sptr; ) {

    if(*sptr == '%') {
      sptr++;
      if(!strncmp(sptr, TAGSYMBOL_VIEWNAME, 3)) {
        *dptr = tag; n=1;
      } else if(!strncmp(sptr, FILENAME_VIEWNAME, 3)) {
        n = sprintf(dptr, format1, fe_ptr->name);
      } else if(!strncmp(sptr, ATTRIBUTE_VIEWNAME, 3)) {
        n = sprintf(dptr, "%10s", attributes);
      } else if(!strncmp(sptr, LINKCOUNT_VIEWNAME, 3)) {
        n = sprintf(dptr, "%3d", fe_ptr->stat_struct.st_nlink);
      } else if(!strncmp(sptr, FILESIZE_VIEWNAME, 3)) {
#ifdef HAS_LONGLONG
        n = sprintf(dptr, "%7lld", (LONGLONG) fe_ptr->stat_struct.st_size);
#else
        n = sprintf(dptr, "%7d", fe_ptr->stat_struct.st_size);
#endif
      } else if(!strncmp(sptr, MODTIME_VIEWNAME, 3)) {
        n = sprintf(dptr, "%12s", modify_time);
      } else if(!strncmp(sptr, SYMLINK_VIEWNAME, 3)) {
        n = sprintf(dptr, format2, sym_link_name);
      } else if(!strncmp(sptr, UID_VIEWNAME, 3)) {
        n = sprintf(dptr, "%-8s", owner_name_ptr);
      } else if(!strncmp(sptr, GID_VIEWNAME, 3)) {
        n = sprintf(dptr, "%-8s", group_name_ptr);
      } else if(!strncmp(sptr, INODE_VIEWNAME, 3)) {
#ifdef HAS_LONGLONG
        n = sprintf(dptr, "%7lld", (LONGLONG)fe_ptr->stat_struct.st_ino);
#else
        n = sprintf(dptr, "%7ld", (int)fe_ptr->stat_struct.st_ino);
#endif
      } else if(!strncmp(sptr, ACCTIME_VIEWNAME, 3)) {
        n = sprintf(dptr, "%12s", access_time);
      } else if(!strncmp(sptr, CHGTIME_VIEWNAME, 3)) {
        n = sprintf(dptr, "%12s", change_time);
      } else {
      n = -1;
      }
      if(n == -1) {
        *dptr++ = '%';
      } else {
        dptr += n;
        if(*sptr) sptr++;
        if(*sptr) sptr++;
        if(*sptr) sptr++;
      }
    } else {
      *dptr++ = *sptr++;
    }
  }
  *dptr = '\0';
  strncpy(line, buffer, linelen);
  line[linelen - 1] = '\0';
  return(0);
}
  


int GetUserFileEntryLength( int max_filename_len, int max_linkname_len, char *template)
{
  int  len, n;
  char *sptr;


  for(len=0, sptr=template; *sptr; ) {

    if(*sptr == '%') {
      sptr++;
      if(!strncmp(sptr, TAGSYMBOL_VIEWNAME, 3)) {
        n=1;
      } else if(!strncmp(sptr, FILENAME_VIEWNAME, 3)) {
        n = max_filename_len;
      } else if(!strncmp(sptr, ATTRIBUTE_VIEWNAME, 3)) {
        n = 10;
      } else if(!strncmp(sptr, LINKCOUNT_VIEWNAME, 3)) {
        n = 3;
      } else if(!strncmp(sptr, FILESIZE_VIEWNAME, 3)) {
        n = 7;
      } else if(!strncmp(sptr, MODTIME_VIEWNAME, 3)) {
        n = 12;
      } else if(!strncmp(sptr, SYMLINK_VIEWNAME, 3)) {
        n = max_linkname_len;
      } else if(!strncmp(sptr, UID_VIEWNAME, 3)) {
        n = 8;
      } else if(!strncmp(sptr, GID_VIEWNAME, 3)) {
        n = 8;
      } else if(!strncmp(sptr, INODE_VIEWNAME, 3)) {
        n = 7;
      } else if(!strncmp(sptr, ACCTIME_VIEWNAME, 3)) {
        n = 12;
      } else if(!strncmp(sptr, CHGTIME_VIEWNAME, 3)) {
        n = 12;
      } else {
      n = -1;
      }
      if(n == -1) {
        len++;
      sptr++;
      } else {
        len += n;
        if(*sptr) sptr++;
        if(*sptr) sptr++;
        if(*sptr) sptr++;
      }
    } else {
      sptr++;
      len++;
    }
  }
  return(len);
}
  

LONGLONG AtoLL(char *cptr)
{
  LONGLONG ll;

#ifdef HAS_LONGLONG

  sscanf(cptr, "%lld", &ll);

#else
#ifdef __QNX__
  sscanf(cptr, "%ld", &ll);
#else
  sscanf(ll, "%ld", cptr);
#endif
#endif

  return(ll);
}




#ifndef HAVE_STRERROR
const char *StrError(int errnum)
{

#if !defined(__FreeBSD__) && !(defined(__GLIBC__) && __GLIBC__ >= 2)
  extern char *sys_errlist[];
  extern int sys_nerr;
#endif

  if (errnum > 0 && errnum <= sys_nerr)
    return(sys_errlist[errnum]);
  return ("Unknown system error");
}
#endif /* HAVE_STRERROR */


/*****************************************************************************
 *                              Getcwd                                       *
 *****************************************************************************/


char *Getcwd(char *buffer, unsigned int size)
{
  if(size == 0)
    return(GNU_getcwd());

  return(getcwd(buffer, size));
}


static char *GNU_getcwd()
{
  unsigned int size = 100;

  while (1)
    {
      char *buffer = (char *) xmalloc (size);
      if (getcwd (buffer, size) == buffer)
        return buffer;
      free (buffer);
      if (errno != ERANGE)
        return 0;
      size *= 2;
    }
}



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