Commit | Line | Data |
---|---|---|
0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
b29058ff DH |
3 | #ifndef SCM_FPORTS_H |
4 | #define SCM_FPORTS_H | |
5 | ||
3753e227 | 6 | /* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2006, 2008, 2009, 2011, 2012 Free Software Foundation, Inc. |
b29058ff | 7 | * |
73be1d9e | 8 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
9 | * modify it under the terms of the GNU Lesser General Public License |
10 | * as published by the Free Software Foundation; either version 3 of | |
11 | * the License, or (at your option) any later version. | |
b29058ff | 12 | * |
53befeb7 NJ |
13 | * This library is distributed in the hope that it will be useful, but |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Lesser General Public License for more details. | |
b29058ff | 17 | * |
73be1d9e MV |
18 | * You should have received a copy of the GNU Lesser General Public |
19 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
21 | * 02110-1301 USA | |
73be1d9e | 22 | */ |
d3a6bc94 | 23 | |
0f2d19dd JB |
24 | \f |
25 | ||
b4309c3c | 26 | #include "libguile/__scm.h" |
0f2d19dd | 27 | |
2da7762f JB |
28 | #include "libguile/ports.h" |
29 | ||
0f2d19dd JB |
30 | \f |
31 | ||
e4cd0c0a | 32 | /* struct allocated for each buffered FPORT. */ |
92c2555f | 33 | typedef struct scm_t_fport { |
e4cd0c0a | 34 | int fdes; /* file descriptor. */ |
3753e227 AW |
35 | int revealed; /* 0 not revealed, > 1 revealed. |
36 | * Revealed ports do not get GC'd. | |
37 | */ | |
92c2555f | 38 | } scm_t_fport; |
1be6b49c | 39 | |
33b001fd | 40 | SCM_API scm_t_bits scm_tc16_fport; |
a98bddfd | 41 | |
92c2555f | 42 | #define SCM_FSTREAM(x) ((scm_t_fport *) SCM_STREAM (x)) |
e4cd0c0a JB |
43 | #define SCM_FPORT_FDES(x) (SCM_FSTREAM (x)->fdes) |
44 | ||
dc7da0be | 45 | #define SCM_FPORTP(x) (SCM_HAS_TYP16 (x, scm_tc16_fport)) |
a98bddfd DH |
46 | #define SCM_OPFPORTP(x) (SCM_FPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_OPN)) |
47 | #define SCM_OPINFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_RDNG)) | |
48 | #define SCM_OPOUTFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_WRTNG)) | |
e4cd0c0a JB |
49 | |
50 | /* test whether fdes supports random access. */ | |
51 | #define SCM_FDES_RANDOM_P(fdes) ((lseek (fdes, 0, SEEK_CUR) == -1) ? 0 : 1) | |
52 | ||
0f2d19dd | 53 | \f |
33b001fd MV |
54 | SCM_API SCM scm_setbuf0 (SCM port); |
55 | SCM_API SCM scm_setvbuf (SCM port, SCM mode, SCM size); | |
56 | SCM_API void scm_evict_ports (int fd); | |
3ace9a8e MW |
57 | SCM_API SCM scm_open_file_with_encoding (SCM filename, SCM modes, |
58 | SCM guess_encoding, SCM encoding); | |
33b001fd MV |
59 | SCM_API SCM scm_open_file (SCM filename, SCM modes); |
60 | SCM_API SCM scm_fdes_to_port (int fdes, char *mode, SCM name); | |
61 | SCM_API SCM scm_file_port_p (SCM obj); | |
3753e227 AW |
62 | |
63 | \f | |
64 | /* Revealed counts. */ | |
65 | SCM_API int scm_revealed_count (SCM port); | |
66 | SCM_API SCM scm_port_revealed (SCM port); | |
67 | SCM_API SCM scm_set_port_revealed_x (SCM port, SCM rcount); | |
68 | SCM_API SCM scm_adjust_port_revealed_x (SCM port, SCM addend); | |
69 | ||
70 | \f | |
3ace9a8e | 71 | SCM_INTERNAL void scm_init_fports_keywords (void); |
102dbb6f | 72 | SCM_INTERNAL void scm_init_fports (void); |
0f2d19dd | 73 | |
d617ee18 MV |
74 | /* internal functions */ |
75 | ||
102dbb6f | 76 | SCM_INTERNAL SCM scm_i_fdes_to_port (int fdes, long mode_bits, SCM name); |
8ab3d8a0 | 77 | |
d617ee18 | 78 | |
b29058ff | 79 | #endif /* SCM_FPORTS_H */ |
89e00824 ML |
80 | |
81 | /* | |
82 | Local Variables: | |
83 | c-file-style: "gnu" | |
84 | End: | |
85 | */ |