mc/lib/fs.h
Andreas Mohr 156bf097e2 Ticket #3464: (compute_namelen): remove...
...since DIRENT_LENGTH_COMPUTED is always 1.
compute_namelen() returns without functional logic.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
2015-05-24 17:59:18 +03:00

125 lines
2.5 KiB
C

/** \file fs.h
* \brief Header: fs compatibility definitions
*/
/* Include file to use opendir/closedir/readdir */
#ifndef MC_FS_H
#define MC_FS_H
#include <sys/types.h>
#include <unistd.h>
#include <sys/stat.h>
#include <dirent.h>
/*** typedefs(not structures) and defined constants **********************************************/
#ifdef S_ISREG
#define HAVE_S_ISREG 1
#else
#define HAVE_S_ISREG 0
#define S_ISREG(x) 0
#endif
#ifdef S_ISDIR
#define HAVE_S_ISDIR 1
#else
#define HAVE_S_ISDIR 0
#define S_ISDIR(x) 0
#endif
/* Replacement for permission bits missing in sys/stat.h */
#ifdef S_ISLNK
#define HAVE_S_ISLNK 1
#else
#define HAVE_S_ISLNK 0
#define S_ISLNK(x) 0
#endif
#ifdef S_ISSOCK
#define HAVE_S_ISSOCK 1
#else
#define HAVE_S_ISSOCK 0
#define S_ISSOCK(x) 0
#endif
#ifdef S_ISFIFO
#define HAVE_S_ISFIFO 1
#else
#define HAVE_S_ISFIFO 0
#define S_ISFIFO(x) 0
#endif
#ifdef S_ISCHR
#define HAVE_S_ISCHR 1
#else
#define HAVE_S_ISCHR 0
#define S_ISCHR(x) 0
#endif
#ifdef S_ISBLK
#define HAVE_S_ISBLK 1
#else
#define HAVE_S_ISBLK 0
#define S_ISBLK(x) 0
#endif
/* Door is something that only exists on Solaris */
#ifdef S_ISDOOR
#define HAVE_S_ISDOOR 1
#else
#define HAVE_S_ISDOOR 0
#define S_ISDOOR(x) 0
#endif
/* Special named files are widely used in QNX6 */
#ifdef S_ISNAM
#define HAVE_S_ISNAM 1
#else
#define HAVE_S_ISNAM 0
#define S_ISNAM(x) 0
#endif
#ifndef PATH_MAX
#ifdef _POSIX_VERSION
#define PATH_MAX _POSIX_PATH_MAX
#else
#ifdef MAXPATHLEN
#define PATH_MAX MAXPATHLEN
#else
#define PATH_MAX 1024
#endif
#endif
#endif
#ifndef MAXPATHLEN
#define MC_MAXPATHLEN 4096
#else
#define MC_MAXPATHLEN MAXPATHLEN
#endif
/* unistd.h defines _POSIX_VERSION on POSIX.1 systems. */
#define NLENGTH(dirent) (strlen ((dirent)->d_name))
/* DragonFlyBSD doesn't provide MAXNAMLEN macro */
#ifndef MAXNAMLEN
#define MAXNAMLEN NAME_MAX
#endif
#define MC_MAXFILENAMELEN MAXNAMLEN
#define DIR_IS_DOT(x) ((x)[0] == '.' && (x)[1] == '\0')
#define DIR_IS_DOTDOT(x) ((x)[0] == '.' && (x)[1] == '.' && (x)[2] == '\0')
/*** enums ***************************************************************************************/
/*** structures declarations (and typedefs of structures)*****************************************/
/*** global variables defined in .c file *********************************************************/
/*** declarations of public functions ************************************************************/
/*** inline functions ****************************************************************************/
#endif