2.11BSD#431 - /usr/src/usr.bin/shar/traverse.c

   1: /*LINTLIBRARY*/
   2: #ifndef lint
   3: static  char    sccsid[] = "@(#)traverse.c 1.0 (WangInst) 12/23/84";
   4: #endif
   5: 
   6: #include <stdio.h>
   7: #include <sys/types.h>
   8: #include <sys/dir.h>
   9: 
  10: #ifdef MAXNAMLEN
  11: 
  12: #define namedir(entry) (entry->d_name)
  13: #define MAXNAME 256
  14: 
  15: #else
  16: 
  17: #define DIR FILE
  18: #define MAXNAME (DIRSIZ+2)
  19: #define opendir(path) fopen (path, "r")
  20: #define closedir(dirp) fclose (dirp)
  21: struct direct *
  22: readdir (dirp)
  23: DIR     *dirp;
  24:     {
  25:     static  struct  direct  entry;
  26:     if (dirp == NULL) return (NULL);
  27:     for (;;)
  28:         {
  29:         if (fread (&entry, sizeof (struct direct), 1, dirp) == 0) return (NULL);
  30:         if (entry.d_ino) return (&entry);
  31:         }
  32:     }
  33: char    *strncpy ();
  34: char *
  35: namedir (entry)
  36: struct  direct  *entry;
  37:     {
  38:     static  char    name[MAXNAME];
  39:     return (strncpy (name, entry->d_name, DIRSIZ));
  40:     }
  41: 
  42: #endif
  43: 
  44: #include <sys/stat.h>
  45: #define isdir(path) (stat(path, &buf) ? 0 : (buf.st_mode&S_IFMT)==S_IFDIR)
  46: 
  47: traverse (path, func)
  48: char    *path;
  49: int     (*func) ();
  50:     {
  51:     DIR     *dirp;
  52:     struct  direct  *entry;
  53:     struct  stat    buf;
  54:     int     filetype = isdir (path) ? 'd' : 'f';
  55:     (*func) (path, filetype, 0);
  56:     if (filetype == 'd')
  57:         {
  58:         if (chdir (path) == 0)
  59:             {
  60:             if (dirp = opendir ("."))
  61:                 {
  62:                 while (entry = readdir (dirp))
  63:                     {
  64:                     char    name[MAXNAME];
  65:                     (void) strcpy (name, namedir (entry));
  66:                     if (strcmp(name, ".") && strcmp(name, ".."))
  67:                         traverse (name, func);
  68:                     }
  69:                 (void) closedir(dirp);
  70:                 }
  71:             (void) chdir ("..");
  72:             }
  73:         }
  74:     (*func) (path, filetype, 1);
  75:     }
  76: 
  77: #ifdef STANDALONE
  78: 
  79: static  Indent = 0;
  80: tryverse (file, type, pos)
  81: char    *file;
  82:     {
  83:     int     in;
  84:     if (pos == 0)
  85:         {
  86:         for (in = 0; in < Indent; in++) putchar ('\t');
  87:         if (type == 'd')
  88:             {
  89:             printf ("%s/\n", file);
  90:             Indent++;
  91:             }
  92:         else puts (file);
  93:         }
  94:     else if (type == 'd') Indent--;
  95:     }
  96: 
  97: main (argc, argv) char **argv;
  98:     {
  99:     int     tryverse ();
 100:     char    *root = argc > 1 ? argv[1] : ".";
 101:     traverse (root, tryverse);
 102:     }
 103: #endif

Defined functions

Defined variables

Defined macros