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Commit	Line	Data
	1	#serial 5
	2
	3	# Define some macros required for proper operation of code in lib/*.c
	4	# on MSDOS/Windows systems.
	5
	6	# From Jim Meyering.
	7
	8	AC_DEFUN([jm_AC_DOS],
	9	[
	10	AC_CACHE_CHECK([whether system is Windows or MSDOS], [ac_cv_win_or_dos],
	11	[
	12	AC_TRY_COMPILE([],
	13	[#if !defined _WIN32 && !defined __WIN32__ && !defined __MSDOS__
	14	neither MSDOS nor Windows
	15	#endif],
	16	[ac_cv_win_or_dos=yes],
	17	[ac_cv_win_or_dos=no])
	18	])
	19
	20	if test x"$ac_cv_win_or_dos" = xyes; then
	21	ac_fs_accepts_drive_letter_prefix=1
	22	ac_fs_backslash_is_file_name_separator=1
	23	else
	24	ac_fs_accepts_drive_letter_prefix=0
	25	ac_fs_backslash_is_file_name_separator=0
	26	fi
	27
	28	AH_VERBATIM(FILESYSTEM_PREFIX_LEN,
	29	[#if FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX
	30	# define FILESYSTEM_PREFIX_LEN(Filename) \
	31	((Filename)[0] && (Filename)[1] == ':' ? 2 : 0)
	32	#else
	33	# define FILESYSTEM_PREFIX_LEN(Filename) 0
	34	#endif])
	35
	36	AC_DEFINE_UNQUOTED([FILESYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX],
	37	$ac_fs_accepts_drive_letter_prefix,
	38	[Define on systems for which file names may have a so-called
	39	`drive letter' prefix, define this to compute the length of that
	40	prefix, including the colon.])
	41
	42	AH_VERBATIM(ISSLASH,
	43	[#if FILESYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR
	44	# define ISSLASH(C) ((C) == '/' \|\| (C) == '\\')
	45	#else
	46	# define ISSLASH(C) ((C) == '/')
	47	#endif])
	48
	49	AC_DEFINE_UNQUOTED([FILESYSTEM_BACKSLASH_IS_FILE_NAME_SEPARATOR],
	50	$ac_fs_backslash_is_file_name_separator,
	51	[Define if the backslash character may also serve as a file name
	52	component separator.])
	53	])