src/fs.h

   1 /* Include file to use opendir/closedir/readdir */
   2
   3 #ifndef MC_FS_H
   4 #define MC_FS_H
   5
   6 #include <sys/types.h>
   7 #ifdef HAVE_UNISTD_H
   8 #   include <unistd.h>
   9 #endif
  10 #include <sys/stat.h>
  11
  12
  13 /* Replacement for permission bits missing in sys/stat.h */
  14 #ifndef S_ISLNK
  15 #   define S_ISLNK(x) 0
  16 #endif
  17
  18 #ifndef S_ISSOCK
  19 #   define S_ISSOCK(x) 0
  20 #endif
  21
  22 #ifndef S_ISFIFO
  23 #   define S_ISFIFO(x) 0
  24 #endif
  25
  26 #ifndef S_ISCHR
  27 #   define S_ISCHR(x) 0
  28 #endif
  29
  30 #ifndef S_ISBLK
  31 #   define S_ISBLK(x) 0
  32 #endif
  33
  34 /* Door is something that only exists on Solaris */
  35 #ifndef S_ISDOOR
  36 #   define S_ISDOOR(x) 0
  37 #endif
  38
  39 /* Special named files are widely used in QNX6 */
  40 #ifndef S_ISNAM
  41 #   define S_ISNAM(x) 0
  42 #endif
  43
  44
  45 #ifndef MAXPATHLEN
  46 #   define MC_MAXPATHLEN 4096
  47 #else
  48 #   define MC_MAXPATHLEN MAXPATHLEN
  49 #endif
  50
  51 /* unistd.h defines _POSIX_VERSION on POSIX.1 systems. */
  52 #ifdef HAVE_DIRENT_H
  53 #   include <dirent.h>
  54 #   define NLENGTH(dirent) (strlen ((dirent)->d_name))
  55 #   define DIRENT_LENGTH_COMPUTED 1
  56 #elif defined(_MSC_VER)
  57 /* dirent provided by glib */
  58 #   define NLENGTH(dirent) (strlen ((dirent)->d_name))
  59 #   define DIRENT_LENGTH_COMPUTED 1
  60 #else
  61 #   define dirent direct
  62 #   define NLENGTH(dirent) ((dirent)->d_namlen)
  63
  64 #   ifdef HAVE_SYS_NDIR_H
  65 #       include <sys/ndir.h>
  66 #   endif /* HAVE_SYS_NDIR_H */
  67
  68 #   ifdef HAVE_SYS_DIR_H
  69 #       include <sys/dir.h>
  70 #   endif /* HAVE_SYS_DIR_H */
  71
  72 #   ifdef HAVE_NDIR_H
  73 #       include <ndir.h>
  74 #   endif /* HAVE_NDIR_H */
  75 #endif /* not (HAVE_DIRENT_H or _POSIX_VERSION) */
  76
  77 static inline void
  78 compute_namelen (struct dirent *dent __attribute__ ((unused)))
  79 {
  80 #ifdef DIRENT_LENGTH_COMPUTED
  81     return;
  82 #else
  83     dent->d_namlen = strlen (dent);
  84 #endif
  85 }
  86
  87 #endif