src/fs.h

   1 /* Include file to use opendir/closedir/readdir */
   2
   3 #ifndef __FS_H
   4 #define __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_IFLNK
  15 #   define S_IFLNK 0
  16 #endif
  17
  18 #ifndef S_ISLNK
  19 #   define S_ISLNK(x) (((x) & S_IFLNK) == S_IFLNK)
  20 #endif
  21
  22 #ifndef S_IFSOCK
  23 #   define S_IFSOCK 0
  24 #endif
  25
  26 #ifndef S_ISSOCK
  27 #   define S_ISSOCK(x) (((x) & S_IFSOCK) == S_IFSOCK)
  28 #endif
  29
  30 #ifndef S_IFFIFO
  31 #   define S_IFFIFO 0
  32 #endif
  33
  34 #ifndef S_ISFIFO
  35 #   define S_ISFIFO(x) (((x) & S_IFFIFO) == S_IFFIFO)
  36 #endif
  37
  38 #ifndef S_IFCHR
  39 #   define S_IFCHR 0
  40 #endif
  41
  42 #ifndef S_ISCHR
  43 #   define S_ISCHR(x) (((x) & S_IFCHR) == S_IFCHR)
  44 #endif
  45
  46 #ifndef S_IFBLK
  47 #   define S_IFBLK 0
  48 #endif
  49
  50 #ifndef S_ISBLK
  51 #   define S_ISBLK(x) (((x) & S_IFBLK) == S_IFBLK)
  52 #endif
  53
  54
  55 #ifndef MAXPATHLEN
  56 #   define MC_MAXPATHLEN 4096
  57 #else
  58 #   define MC_MAXPATHLEN MAXPATHLEN
  59 #endif
  60
  61 /* unistd.h defines _POSIX_VERSION on POSIX.1 systems. */
  62 #ifdef HAVE_DIRENT_H
  63 #   include <dirent.h>
  64 #   define NLENGTH(dirent) (strlen ((dirent)->d_name))
  65 #   define DIRENT_LENGTH_COMPUTED 1
  66 #elif defined(_MSC_VER)
  67 /* dirent provided by glib */
  68 #   define NLENGTH(dirent) (strlen ((dirent)->d_name))
  69 #   define DIRENT_LENGTH_COMPUTED 1
  70 #else
  71 #   define dirent direct
  72 #   define NLENGTH(dirent) ((dirent)->d_namlen)
  73
  74 #   ifdef HAVE_SYS_NDIR_H
  75 #       include <sys/ndir.h>
  76 #   endif /* HAVE_SYS_NDIR_H */
  77
  78 #   ifdef HAVE_SYS_DIR_H
  79 #       include <sys/dir.h>
  80 #   endif /* HAVE_SYS_DIR_H */
  81
  82 #   ifdef HAVE_NDIR_H
  83 #       include <ndir.h>
  84 #   endif /* HAVE_NDIR_H */
  85 #endif /* not (HAVE_DIRENT_H or _POSIX_VERSION) */
  86
  87 static inline void compute_namelen(struct dirent* dent) {
  88 #ifdef DIRENT_LENGTH_COMPUTED
  89     return;
  90 #else
  91     dent->d_namlen = strlen (dent);
  92 #endif
  93 }
  94
  95 #endif /* !__FS_H */