diff options
Diffstat (limited to 'maxpath.h')
-rw-r--r-- | maxpath.h | 70 |
1 files changed, 51 insertions, 19 deletions
@@ -1,4 +1,4 @@ -/* maxpath.h - Find out what this system thinks MAXPATHLEN is. */ +/* maxpath.h - Find out what this system thinks PATH_MAX and NAME_MAX are. */ /* Copyright (C) 1993 Free Software Foundation, Inc. @@ -18,26 +18,58 @@ with Bash; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ -#if !defined (_MAXPATH_H) -#define _MAXPATH_H +#if !defined (_MAXPATH_H_) +#define _MAXPATH_H_ -#if !defined (MAXPATHLEN) && defined (HAVE_LIMITS_H) -# if !defined (BUILDING_MAKEFILE) -# include <limits.h> -# endif /* BUILDING_MAKEFILE */ -#endif /* !MAXPATHLEN && HAVE_LIMITS_H */ +/* These values are supposed to be in <limits.h> or one of the files + it includes. */ +#if defined (HAVE_LIMITS_H) +# include <limits.h> +#endif /* !HAVE_LIMITS_H */ -#if !defined (MAXPATHLEN) && defined (HAVE_SYS_PARAM) -# include <sys/param.h> -#endif /* !MAXPATHLEN && HAVE_SYS_PARAM */ +/* If PATH_MAX is not defined, look for MAXPATHLEN */ +#if !defined (PATH_MAX) +# if defined (HAVE_SYS_PARAM_H) +# include <sys/param.h> +# define maxpath_param_h +# endif +# if defined (MAXPATHLEN) && !defined (PATH_MAX) +# define PATH_MAX MAXPATHLEN +# endif /* MAXPATHLEN && !PATH_MAX */ +#endif /* !PATH_MAX */ -#if !defined (MAXPATHLEN) && defined (PATH_MAX) -# define MAXPATHLEN PATH_MAX -#endif /* !MAXPATHLEN && PATH_MAX */ +/* If NAME_MAX is not defined, look for MAXNAMLEN */ +#if !defined (NAME_MAX) +# if defined (HAVE_SYS_PARAM_H) && !defined (maxpath_param_h) +# include <sys/param.h> +# endif +# if defined (MAXNAMLEN) && !defined (NAME_MAX) +# define NAME_MAX MAXNAMLEN +# endif /* MAXNAMLEN && !NAME_MAX */ +#endif /* !NAME_MAX */ -/* Yecch! Who cares about this gross concept in the first place? */ -#if !defined (MAXPATHLEN) -# define MAXPATHLEN 1024 -#endif /* MAXPATHLEN */ +/* Default POSIX values */ +#if !defined (PATH_MAX) && defined (_POSIX_PATH_MAX) +# define PATH_MAX _POSIX_PATH_MAX +#endif -#endif /* _MAXPATH_H */ +#if !defined (NAME_MAX) && defined (_POSIX_NAME_MAX) +# define NAME_MAX _POSIX_NAME_MAX +#endif + + +/* Default values */ +#if !defined (PATH_MAX) +# define PATH_MAX 1024 +#endif + +#if !defined (NAME_MAX) +# define NAME_MAX 14 +#endif + +#if PATH_MAX < 1024 +# undef PATH_MAX +# define PATH_MAX 1024 +#endif + +#endif /* _MAXPATH_H_ */ |