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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
b29058ff DH |
3 | #ifndef SCM_FPORTS_H |
4 | #define SCM_FPORTS_H | |
5 | ||
6 | /* Copyright (C) 1995,1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc. | |
7 | * | |
0f2d19dd JB |
8 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2, or (at your option) | |
11 | * any later version. | |
b29058ff | 12 | * |
0f2d19dd JB |
13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
b29058ff | 17 | * |
0f2d19dd JB |
18 | * You should have received a copy of the GNU General Public License |
19 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
20 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
21 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
22 | * |
23 | * As a special exception, the Free Software Foundation gives permission | |
24 | * for additional uses of the text contained in its release of GUILE. | |
25 | * | |
26 | * The exception is that, if you link the GUILE library with other files | |
27 | * to produce an executable, this does not by itself cause the | |
28 | * resulting executable to be covered by the GNU General Public License. | |
29 | * Your use of that executable is in no way restricted on account of | |
30 | * linking the GUILE library code into it. | |
31 | * | |
32 | * This exception does not however invalidate any other reasons why | |
33 | * the executable file might be covered by the GNU General Public License. | |
34 | * | |
35 | * This exception applies only to the code released by the | |
36 | * Free Software Foundation under the name GUILE. If you copy | |
37 | * code from other Free Software Foundation releases into a copy of | |
38 | * GUILE, as the General Public License permits, the exception does | |
39 | * not apply to the code that you add in this way. To avoid misleading | |
40 | * anyone as to the status of such modified files, you must delete | |
41 | * this exception notice from them. | |
42 | * | |
43 | * If you write modifications of your own for GUILE, it is your choice | |
44 | * whether to permit this exception to apply to your modifications. | |
82892bed | 45 | * If you do not wish that, delete this exception notice. */ |
d3a6bc94 | 46 | |
0f2d19dd JB |
47 | \f |
48 | ||
b4309c3c | 49 | #include "libguile/__scm.h" |
0f2d19dd | 50 | |
2da7762f JB |
51 | #include "libguile/ports.h" |
52 | ||
0f2d19dd JB |
53 | \f |
54 | ||
e4cd0c0a | 55 | /* struct allocated for each buffered FPORT. */ |
92c2555f | 56 | typedef struct scm_t_fport { |
e4cd0c0a | 57 | int fdes; /* file descriptor. */ |
92c2555f | 58 | } scm_t_fport; |
1be6b49c | 59 | |
33b001fd | 60 | SCM_API scm_t_bits scm_tc16_fport; |
a98bddfd | 61 | |
92c2555f | 62 | #define SCM_FSTREAM(x) ((scm_t_fport *) SCM_STREAM (x)) |
e4cd0c0a JB |
63 | #define SCM_FPORT_FDES(x) (SCM_FSTREAM (x)->fdes) |
64 | ||
a98bddfd DH |
65 | #define SCM_FPORTP(x) (!SCM_IMP (x) && (SCM_TYP16 (x) == scm_tc16_fport)) |
66 | #define SCM_OPFPORTP(x) (SCM_FPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_OPN)) | |
67 | #define SCM_OPINFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_RDNG)) | |
68 | #define SCM_OPOUTFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_WRTNG)) | |
e4cd0c0a JB |
69 | |
70 | /* test whether fdes supports random access. */ | |
71 | #define SCM_FDES_RANDOM_P(fdes) ((lseek (fdes, 0, SEEK_CUR) == -1) ? 0 : 1) | |
72 | ||
0f2d19dd | 73 | \f |
33b001fd MV |
74 | SCM_API SCM scm_setbuf0 (SCM port); |
75 | SCM_API SCM scm_setvbuf (SCM port, SCM mode, SCM size); | |
76 | SCM_API void scm_evict_ports (int fd); | |
77 | SCM_API SCM scm_open_file (SCM filename, SCM modes); | |
78 | SCM_API SCM scm_fdes_to_port (int fdes, char *mode, SCM name); | |
79 | SCM_API SCM scm_file_port_p (SCM obj); | |
80 | SCM_API void scm_init_fports (void); | |
0f2d19dd | 81 | |
b29058ff | 82 | #endif /* SCM_FPORTS_H */ |
89e00824 ML |
83 | |
84 | /* | |
85 | Local Variables: | |
86 | c-file-style: "gnu" | |
87 | End: | |
88 | */ |