home *** CD-ROM | disk | FTP | other *** search
- /* libfile.h: read auxiliary data files.
-
- Copyright (C) 1992 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #ifndef LIBFILE_H
- #define LIBFILE_H
-
- #include "types.h"
-
-
- /* Open (close) the file `HEAD.SUFFIX' using the library path. Give a
- fatal error if the file cannot be (has not been) opened. Only one
- file can be open at a time. `libfile_start' returns the resulting
- opened FILE structure, although this is commonly ignored by the
- caller, in favor of using `libfile_line' (declared below) to read
- from the file. */
- extern FILE *libfile_start (string head, string suffix);
- extern void libfile_close (void);
-
-
- /* The name (line number) of the currently open library file, or NULL (0). */
- extern string libfilename (void);
- extern unsigned libfile_linenumber (void);
-
-
- /* An abbreviation for common error messages. */
- #define LIBFILE_ERROR1(fmt, e1) \
- FATAL3 ("%s:%u: " fmt, libfilename (), libfile_linenumber (), e1);
- #define LIBFILE_ERROR2(fmt, e1, e2) \
- FATAL4 ("%s:%u: " fmt, libfilename (), libfile_linenumber (), e1, e2);
-
- #define LIBFILE_WARN1(fmt, e1) \
- fprintf (stderr, "%s:%u: " fmt "\n", libfilename (), libfile_linenumber (),\
- e1)
- #define LIBFILE_WARN2(fmt, e1, e2) \
- fprintf (stderr, "%s:%u: " fmt "\n", libfilename (), libfile_linenumber (),\
- e1, e2)
-
-
- /* Return the next non-blank non-comment line in the currently open
- library file, or NULL if at EOF. The terminating newline and any
- trailing comment are also removed. */
- extern string libfile_line (void);
-
- #endif /* not LIBFILE_H */
-