freebsd-dev/contrib/groff/indxbib/dirnamemax.c
1996-09-07 16:18:32 +00:00

50 lines
885 B
C

/* dir_name_max(dir) does the same as pathconf(dir, _PC_NAME_MAX) */
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */
#ifdef _POSIX_VERSION
long dir_name_max(dir)
char *dir;
{
return pathconf(dir, _PC_NAME_MAX);
}
#else /* not _POSIX_VERSION */
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif /* HAVE_LIMITS_H */
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#else /* not HAVE_DIRENT_H */
#ifdef HAVE_SYS_DIR_H
#include <sys/dir.h>
#endif /* HAVE_SYS_DIR_H */
#endif /* not HAVE_DIRENT_H */
#ifndef NAME_MAX
#ifdef MAXNAMLEN
#define NAME_MAX MAXNAMLEN
#else /* !MAXNAMLEN */
#ifdef MAXNAMELEN
#define NAME_MAX MAXNAMELEN
#else /* !MAXNAMELEN */
#define NAME_MAX 14
#endif /* !MAXNAMELEN */
#endif /* !MAXNAMLEN */
#endif /* !NAME_MAX */
long dir_name_max(dir)
char *dir;
{
return NAME_MAX;
}
#endif /* not _POSIX_VERSION */