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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
3 | #ifndef FPORTSH | |
4 | #define FPORTSH | |
58ade102 | 5 | /* Copyright (C) 1995,1996,1997,1998,1999, 2000, 2001 Free Software Foundation, Inc. |
0f2d19dd JB |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
19 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
20 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
21 | * |
22 | * As a special exception, the Free Software Foundation gives permission | |
23 | * for additional uses of the text contained in its release of GUILE. | |
24 | * | |
25 | * The exception is that, if you link the GUILE library with other files | |
26 | * to produce an executable, this does not by itself cause the | |
27 | * resulting executable to be covered by the GNU General Public License. | |
28 | * Your use of that executable is in no way restricted on account of | |
29 | * linking the GUILE library code into it. | |
30 | * | |
31 | * This exception does not however invalidate any other reasons why | |
32 | * the executable file might be covered by the GNU General Public License. | |
33 | * | |
34 | * This exception applies only to the code released by the | |
35 | * Free Software Foundation under the name GUILE. If you copy | |
36 | * code from other Free Software Foundation releases into a copy of | |
37 | * GUILE, as the General Public License permits, the exception does | |
38 | * not apply to the code that you add in this way. To avoid misleading | |
39 | * anyone as to the status of such modified files, you must delete | |
40 | * this exception notice from them. | |
41 | * | |
42 | * If you write modifications of your own for GUILE, it is your choice | |
43 | * whether to permit this exception to apply to your modifications. | |
82892bed | 44 | * If you do not wish that, delete this exception notice. */ |
d3a6bc94 | 45 | |
0f2d19dd JB |
46 | \f |
47 | ||
b4309c3c | 48 | #include "libguile/__scm.h" |
0f2d19dd | 49 | |
2da7762f JB |
50 | #include "libguile/ports.h" |
51 | ||
0f2d19dd JB |
52 | \f |
53 | ||
e4cd0c0a | 54 | /* struct allocated for each buffered FPORT. */ |
92c2555f | 55 | typedef struct scm_t_fport { |
e4cd0c0a | 56 | int fdes; /* file descriptor. */ |
92c2555f | 57 | } scm_t_fport; |
1be6b49c ML |
58 | |
59 | #if (SCM_DEBUG_DEPRECATED == 0) | |
92c2555f | 60 | # define scm_fport scm_t_fport |
1be6b49c | 61 | #endif |
e4cd0c0a | 62 | |
92c2555f | 63 | extern scm_t_bits scm_tc16_fport; |
a98bddfd | 64 | |
92c2555f | 65 | #define SCM_FSTREAM(x) ((scm_t_fport *) SCM_STREAM (x)) |
e4cd0c0a JB |
66 | #define SCM_FPORT_FDES(x) (SCM_FSTREAM (x)->fdes) |
67 | ||
a98bddfd DH |
68 | #define SCM_FPORTP(x) (!SCM_IMP (x) && (SCM_TYP16 (x) == scm_tc16_fport)) |
69 | #define SCM_OPFPORTP(x) (SCM_FPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_OPN)) | |
70 | #define SCM_OPINFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_RDNG)) | |
71 | #define SCM_OPOUTFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_WRTNG)) | |
e4cd0c0a JB |
72 | |
73 | /* test whether fdes supports random access. */ | |
74 | #define SCM_FDES_RANDOM_P(fdes) ((lseek (fdes, 0, SEEK_CUR) == -1) ? 0 : 1) | |
75 | ||
0f2d19dd | 76 | \f |
93016112 | 77 | extern SCM scm_setbuf0 (SCM port); |
7a6f1ffa | 78 | extern SCM scm_setvbuf (SCM port, SCM mode, SCM size); |
93016112 JB |
79 | extern void scm_evict_ports (int fd); |
80 | extern SCM scm_open_file (SCM filename, SCM modes); | |
e4cd0c0a | 81 | extern SCM scm_fdes_to_port (int fdes, char *mode, SCM name); |
efa40607 | 82 | extern SCM scm_file_port_p (SCM obj); |
7866a09b | 83 | extern void scm_init_fports (void); |
0f2d19dd JB |
84 | |
85 | #endif /* FPORTSH */ | |
89e00824 ML |
86 | |
87 | /* | |
88 | Local Variables: | |
89 | c-file-style: "gnu" | |
90 | End: | |
91 | */ |