1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/* 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 */
|
