mc/lib/fs.h

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/** \file fs.h
* \brief Header: fs compatibility definitions
*/
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/* Include file to use opendir/closedir/readdir */
#ifndef MC_FS_H
#define MC_FS_H
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#include <sys/types.h>
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#include <unistd.h>
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#include <sys/stat.h>
#include <dirent.h>
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/*** typedefs(not structures) and defined constants **********************************************/
/* Replacement for permission bits missing in sys/stat.h */
#ifndef S_ISLNK
#define S_ISLNK(x) 0
#endif
#ifndef S_ISSOCK
#define S_ISSOCK(x) 0
#endif
#ifndef S_ISFIFO
#define S_ISFIFO(x) 0
#endif
#ifndef S_ISCHR
#define S_ISCHR(x) 0
#endif
#ifndef S_ISBLK
#define S_ISBLK(x) 0
#endif
/* Door is something that only exists on Solaris */
#ifndef S_ISDOOR
#define S_ISDOOR(x) 0
#endif
/* Special named files are widely used in QNX6 */
#ifndef S_ISNAM
#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
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#ifndef MAXPATHLEN
#define MC_MAXPATHLEN 4096
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#else
#define MC_MAXPATHLEN MAXPATHLEN
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#endif
/* unistd.h defines _POSIX_VERSION on POSIX.1 systems. */
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#define NLENGTH(dirent) (strlen ((dirent)->d_name))
#define DIRENT_LENGTH_COMPUTED 1
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/* DragonFlyBSD doesn't provide MAXNAMLEN macro */
#ifndef MAXNAMLEN
#define MAXNAMLEN NAME_MAX
#endif
#define MC_MAXFILENAMELEN MAXNAMLEN
/*** enums ***************************************************************************************/
/*** structures declarations (and typedefs of structures)*****************************************/
/*** global variables defined in .c file *********************************************************/
/*** declarations of public functions ************************************************************/
/*** inline functions ****************************************************************************/
static inline void
compute_namelen (struct dirent *dent __attribute__ ((unused)))
{
#ifdef DIRENT_LENGTH_COMPUTED
return;
#else
dent->d_namlen = strlen (dent);
#endif
}
#endif