lib/fs.h

   1 /** \file fs.h
   2  *  \brief Header: fs compatibility definitions
   3  */
   4
   5 /* Include file to use opendir/closedir/readdir */
   6
   7 #ifndef MC_FS_H
   8 #define MC_FS_H
   9
  10 #include <sys/types.h>
  11 #include <unistd.h>
  12 #include <sys/stat.h>
  13 #include <dirent.h>
  14
  15 /*** typedefs(not structures) and defined constants **********************************************/
  16
  17 #ifdef S_ISREG
  18 #define HAVE_S_ISREG 1
  19 #else
  20 #define HAVE_S_ISREG 0
  21 #define S_ISREG(x) 0
  22 #endif
  23
  24 #ifdef S_ISDIR
  25 #define HAVE_S_ISDIR 1
  26 #else
  27 #define HAVE_S_ISDIR 0
  28 #define S_ISDIR(x) 0
  29 #endif
  30
  31 /* Replacement for permission bits missing in sys/stat.h */
  32 #ifdef S_ISLNK
  33 #define HAVE_S_ISLNK 1
  34 #else
  35 #define HAVE_S_ISLNK 0
  36 #define S_ISLNK(x) 0
  37 #endif
  38
  39 #ifdef S_ISSOCK
  40 #define HAVE_S_ISSOCK 1
  41 #else
  42 #define HAVE_S_ISSOCK 0
  43 #define S_ISSOCK(x) 0
  44 #endif
  45
  46 #ifdef S_ISFIFO
  47 #define HAVE_S_ISFIFO 1
  48 #else
  49 #define HAVE_S_ISFIFO 0
  50 #define S_ISFIFO(x) 0
  51 #endif
  52
  53 #ifdef S_ISCHR
  54 #define HAVE_S_ISCHR 1
  55 #else
  56 #define HAVE_S_ISCHR 0
  57 #define S_ISCHR(x) 0
  58 #endif
  59
  60 #ifdef S_ISBLK
  61 #define HAVE_S_ISBLK 1
  62 #else
  63 #define HAVE_S_ISBLK 0
  64 #define S_ISBLK(x) 0
  65 #endif
  66
  67 /* Door is something that only exists on Solaris */
  68 #ifdef S_ISDOOR
  69 #define HAVE_S_ISDOOR 1
  70 #else
  71 #define HAVE_S_ISDOOR 0
  72 #define S_ISDOOR(x) 0
  73 #endif
  74
  75 /* Special named files are widely used in QNX6 */
  76 #ifdef S_ISNAM
  77 #define HAVE_S_ISNAM 1
  78 #else
  79 #define HAVE_S_ISNAM 0
  80 #define S_ISNAM(x) 0
  81 #endif
  82
  83 #ifndef PATH_MAX
  84 #ifdef _POSIX_VERSION
  85 #define PATH_MAX _POSIX_PATH_MAX
  86 #else
  87 #ifdef MAXPATHLEN
  88 #define PATH_MAX MAXPATHLEN
  89 #else
  90 #define PATH_MAX 1024
  91 #endif
  92 #endif
  93 #endif
  94
  95 #ifndef MAXPATHLEN
  96 #define MC_MAXPATHLEN 4096
  97 #else
  98 #define MC_MAXPATHLEN MAXPATHLEN
  99 #endif
 100
 101 /* unistd.h defines _POSIX_VERSION on POSIX.1 systems. */
 102 #define NLENGTH(dirent) (strlen ((dirent)->d_name))
 103
 104 /* DragonFlyBSD doesn't provide MAXNAMLEN macro */
 105 #ifndef MAXNAMLEN
 106 #define MAXNAMLEN NAME_MAX
 107 #endif
 108
 109 #define MC_MAXFILENAMELEN MAXNAMLEN
 110
 111 #define DIR_IS_DOT(x) ((x)[0] == '.' && (x)[1] == '\0')
 112 #define DIR_IS_DOTDOT(x) ((x)[0] == '.' && (x)[1] == '.' && (x)[2] == '\0')
 113
 114 /*** enums ***************************************************************************************/
 115
 116 /*** structures declarations (and typedefs of structures)*****************************************/
 117
 118 /*** global variables defined in .c file *********************************************************/
 119
 120 /*** declarations of public functions ************************************************************/
 121
 122 /*** inline functions ****************************************************************************/
 123
 124 #endif